feat: upgrade phpunit to 12.5

.ddev/config.yaml

@@ -1,6 +1,6 @@
 type: php
 docroot: public
-php_version: "8.3"
+php_version: "8.4"
 webserver_type: apache-fpm
 xdebug_enabled: false
 additional_hostnames:

.gitignore

@@ -8,11 +8,6 @@
 /vendor/
 ###< symfony/framework-bundle ###
 
-###> phpunit/phpunit ###
-/phpunit.xml
-.phpunit.result.cache
-###< phpunit/phpunit ###
-
 ###> symfony/phpunit-bridge ###
 .phpunit.result.cache
 /phpunit.xml
@@ -37,3 +32,7 @@ yarn-error.log
 ###> phpstan/phpstan ###
 phpstan.neon
 ###< phpstan/phpstan ###
+
+###> config reference ###
+/config/reference.php
+###< config reference ###

composer.json

@@ -4,7 +4,7 @@
   "minimum-stability": "stable",
   "prefer-stable": true,
   "require": {
-    "php": ">=8.1",
+    "php": ">=8.4",
     "ext-ctype": "*",
     "ext-dom": "*",
     "ext-iconv": "*",
@@ -29,39 +29,39 @@
     "phpstan/phpdoc-parser": "^2.0",
     "spatie/crypto": "^2.1",
     "symfony/apache-pack": "^1.0",
-    "symfony/asset": "6.4.*",
-    "symfony/console": "6.4.*",
-    "symfony/doctrine-messenger": "6.4.*",
-    "symfony/dom-crawler": "6.4.*",
-    "symfony/dotenv": "6.4.*",
-    "symfony/expression-language": "6.4.*",
+    "symfony/asset": "7.4.*",
+    "symfony/console": "7.4.*",
+    "symfony/doctrine-messenger": "7.4.*",
+    "symfony/dom-crawler": "7.4.*",
+    "symfony/dotenv": "7.4.*",
+    "symfony/expression-language": "7.4.*",
     "symfony/flex": "^2",
-    "symfony/form": "6.4.*",
-    "symfony/framework-bundle": "6.4.*",
-    "symfony/html-sanitizer": "6.4.*",
-    "symfony/http-client": "6.4.*",
-    "symfony/intl": "6.4.*",
-    "symfony/lock": "6.4.*",
-    "symfony/mailer": "6.4.*",
-    "symfony/mime": "6.4.*",
+    "symfony/form": "7.4.*",
+    "symfony/framework-bundle": "7.4.*",
+    "symfony/html-sanitizer": "7.4.*",
+    "symfony/http-client": "7.4.*",
+    "symfony/intl": "7.4.*",
+    "symfony/lock": "7.4.*",
+    "symfony/mailer": "7.4.*",
+    "symfony/mime": "7.4.*",
     "symfony/monolog-bundle": "^3.0",
-    "symfony/notifier": "6.4.*",
-    "symfony/process": "6.4.*",
-    "symfony/property-access": "6.4.*",
-    "symfony/property-info": "6.4.*",
-    "symfony/runtime": "6.4.*",
-    "symfony/security-bundle": "6.4.*",
-    "symfony/serializer": "6.4.*",
+    "symfony/notifier": "7.4.*",
+    "symfony/process": "7.4.*",
+    "symfony/property-access": "7.4.*",
+    "symfony/property-info": "7.4.*",
+    "symfony/runtime": "7.4.*",
+    "symfony/security-bundle": "7.4.*",
+    "symfony/serializer": "7.4.*",
     "symfony/stimulus-bundle": "^2.21",
-    "symfony/string": "6.4.*",
-    "symfony/translation": "6.4.*",
-    "symfony/twig-bundle": "6.4.*",
-    "symfony/uid": "6.4.*",
+    "symfony/string": "7.4.*",
+    "symfony/translation": "7.4.*",
+    "symfony/twig-bundle": "7.4.*",
+    "symfony/uid": "7.4.*",
     "symfony/ux-twig-component": "^2.36",
-    "symfony/validator": "6.4.*",
-    "symfony/web-link": "6.4.*",
+    "symfony/validator": "7.4.*",
+    "symfony/web-link": "7.4.*",
     "symfony/webpack-encore-bundle": "^2.2",
-    "symfony/yaml": "6.4.*",
+    "symfony/yaml": "7.4.*",
     "twig/extra-bundle": "^2.12|^3.0",
     "twig/html-extra": "^3.15",
     "twig/intl-extra": "*",
@@ -77,7 +77,7 @@
     },
     "sort-packages": true,
     "platform": {
-      "php": "8.3.30"
+      "php": "8.4.24"
     }
   },
   "autoload": {
@@ -119,7 +119,7 @@
   "extra": {
     "symfony": {
       "allow-contrib": true,
-      "require": "6.4.*",
+      "require": "7.4.*",
       "docker": true
     }
   },
@@ -129,14 +129,14 @@
     "phpstan/phpstan": "^2.1",
     "phpstan/phpstan-doctrine": "^2.0",
     "phpstan/phpstan-symfony": "^2.0",
-    "phpunit/phpunit": "^9.5",
+    "phpunit/phpunit": "^12",
     "rector/rector": "^2.4",
-    "symfony/browser-kit": "6.4.*",
-    "symfony/css-selector": "6.4.*",
-    "symfony/debug-bundle": "6.4.*",
+    "symfony/browser-kit": "7.4.*",
+    "symfony/css-selector": "7.4.*",
+    "symfony/debug-bundle": "7.4.*",
     "symfony/maker-bundle": "^1.0",
-    "symfony/phpunit-bridge": "^7.1",
-    "symfony/stopwatch": "6.4.*",
-    "symfony/web-profiler-bundle": "6.4.*"
+    "symfony/phpunit-bridge": "^7.4",
+    "symfony/stopwatch": "7.4.*",
+    "symfony/web-profiler-bundle": "7.4.*"
   }
 }

config/packages/doctrine.yaml

@@ -9,8 +9,7 @@ doctrine:
         profiling_collect_backtrace: '%kernel.debug%'
         use_savepoints: true
     orm:
-        auto_generate_proxy_classes: true
-        enable_lazy_ghost_objects: true
+        enable_native_lazy_objects: true
         validate_xml_mapping: true
         naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
         auto_mapping: true
@@ -33,8 +32,6 @@ when@test:
 when@prod:
     doctrine:
         orm:
-            auto_generate_proxy_classes: false
-            proxy_dir: '%kernel.build_dir%/doctrine/orm/Proxies'
             query_cache_driver:
                 type: pool
                 pool: doctrine.system_cache_pool

config/packages/framework.yaml

@@ -1,7 +1,6 @@
 # see https://symfony.com/doc/current/reference/configuration/framework.html
 framework:
     secret: '%env(APP_SECRET)%'
-    annotations: false
     http_method_override: false
     handle_all_throwables: true
 

config/packages/property_info.yaml

@@ -0,0 +1,3 @@
+framework:
+    property_info:
+        with_constructor_extractor: true

config/packages/web_profiler.yaml

@@ -14,4 +14,6 @@ when@test:
         intercept_redirects: false
 
     framework:
-        profiler: { collect: false }
+        profiler:
+            collect: false
+            collect_serializer_data: true

phpunit.xml.dist

@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<!-- https://phpunit.readthedocs.io/en/latest/configuration.html -->
+<!-- https://docs.phpunit.de/en/12.5/configuration.html -->
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
          backupGlobals="false"
          colors="true"
          bootstrap="tests/bootstrap.php"
-         convertDeprecationsToExceptions="false"
+         cacheDirectory=".phpunit.cache"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+         displayDetailsOnPhpunitDeprecations="true"
 >
     <php>
         <ini name="display_errors" value="1" />
         <ini name="error_reporting" value="-1" />
         <server name="APP_ENV" value="test" force="true" />
         <server name="SHELL_VERBOSITY" value="-1" />
-        <server name="SYMFONY_PHPUNIT_REMOVE" value="" />
-        <server name="SYMFONY_PHPUNIT_VERSION" value="9.5" />
     </php>
 
     <testsuites>
@@ -23,16 +23,13 @@
         </testsuite>
     </testsuites>
 
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">src</directory>
         </include>
-    </coverage>
-
-    <listeners>
-        <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener" />
-    </listeners>
+    </source>
 
     <extensions>
+        <bootstrap class="Symfony\Bridge\PhpUnit\SymfonyExtension" />
     </extensions>
 </phpunit>

src/BusProNet/XmlCrawlerFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\BusProNet;
+
+use Symfony\Component\DomCrawler\Crawler;
+
+/**
+ * Builds a Crawler over BusPro's XML payloads.
+ *
+ * The Crawler constructor parses its content as HTML5, which flattens the
+ * nesting BusPro's exports and API responses rely on, so XML has to be added
+ * through addXmlContent() instead.
+ */
+final class XmlCrawlerFactory
+{
+    public static function create(string $xml): Crawler
+    {
+        $crawler = new Crawler();
+        $crawler->addXmlContent($xml);
+
+        return $crawler;
+    }
+}

src/BusProNet/XmlLoader/HotelLoader.php

@@ -4,6 +4,7 @@ namespace App\BusProNet\XmlLoader;
 
 use App\BusProNet\Model\Hotel;
 use App\BusProNet\Model\Travel;
+use App\BusProNet\XmlCrawlerFactory;
 use App\Exception\HotelNotFoundException;
 use Psr\Cache\InvalidArgumentException;
 use Symfony\Component\DomCrawler\Crawler;
@@ -73,7 +74,7 @@ class HotelLoader extends AbstractLoader
     {
         $xml = $this->xmlExport->read($filename);
 
-        return new Crawler($xml);
+        return XmlCrawlerFactory::create($xml);
     }
 
     public function parseXml(Crawler $node): Hotel

src/BusProNet/XmlLoader/InsuranceLoader.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\BusProNet\XmlLoader;
 
 use App\BusProNet\Model\Insurance;
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\InsuranceParser;
 use League\Flysystem\FilesystemOperator;
 use Psr\Cache\InvalidArgumentException;
@@ -50,6 +51,6 @@ class InsuranceLoader extends AbstractLoader
     {
         $xml = $this->xmlExport->read($filename);
 
-        return new Crawler($xml);
+        return XmlCrawlerFactory::create($xml);
     }
 }

src/BusProNet/XmlLoader/PickupLoader.php

@@ -4,6 +4,7 @@ namespace App\BusProNet\XmlLoader;
 
 use App\BusProNet\Model\Pickup;
 use App\BusProNet\Model\Travel;
+use App\BusProNet\XmlCrawlerFactory;
 use Psr\Cache\InvalidArgumentException;
 use Symfony\Component\DomCrawler\Crawler;
 use Symfony\Contracts\Cache\ItemInterface;
@@ -46,7 +47,7 @@ class PickupLoader extends AbstractLoader
     {
         $xml = $this->xmlExport->read($filename);
 
-        return new Crawler($xml);
+        return XmlCrawlerFactory::create($xml);
     }
 
     public function parseXml(Crawler $node): Pickup

src/BusProNet/XmlLoader/TravelLoader.php

@@ -7,6 +7,7 @@ use App\BusProNet\Model\MutableData;
 use App\BusProNet\Model\ServiceAvailabilityResponse;
 use App\BusProNet\Model\Travel;
 use App\BusProNet\Utility\DateCodeUtility;
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\TravelParser;
 use App\Exception\HotelNotInTravelException;
 use App\Exception\TravelNotFoundException;
@@ -71,7 +72,7 @@ class TravelLoader extends AbstractLoader
                 foreach ($xmlFiles as $file) {
                     $xml = $this->xmlExport->read($file->path());
 
-                    $crawler = new Crawler($xml);
+                    $crawler = XmlCrawlerFactory::create($xml);
                     $travelDataNodes = $crawler->filterXPath('//reisen/reise/termin');
 
                     $travelDataNodes->each(function (Crawler $node) use (&$mapping, $hotels, $file) {
@@ -218,7 +219,7 @@ class TravelLoader extends AbstractLoader
     {
         try {
             $xml = $this->xmlExport->read($filename);
-            $crawler = new Crawler($xml);
+            $crawler = XmlCrawlerFactory::create($xml);
 
             $travelNode = $crawler->filterXPath(sprintf('//reise/termin[@idbuspro="%d"]', $dateId));
 

src/BusProNet/XmlParser/ApiResponseParser.php

@@ -4,7 +4,7 @@ namespace App\BusProNet\XmlParser;
 
 use App\BusProNet\ApiClient;
 use App\BusProNet\Exception\ResponseParserException;
-use Symfony\Component\DomCrawler\Crawler;
+use App\BusProNet\XmlCrawlerFactory;
 
 class ApiResponseParser extends AbstractParser
 {
@@ -14,7 +14,7 @@ class ApiResponseParser extends AbstractParser
     /** @param array<string, mixed> $additionalArgs */
     public function parseXmlString(string $type, string $xml, array $additionalArgs = []): mixed
     {
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
 
         if (0 === $crawler->count()) {
             throw new ResponseParserException('Empty response received from server');

src/Security/Voter/AdministrativeAccessVoter.php

@@ -5,7 +5,8 @@ declare(strict_types=1);
 namespace App\Security\Voter;
 
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
-use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
+use Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Vote;
 use Symfony\Component\Security\Core\Authorization\Voter\Voter;
 
 /**
@@ -16,7 +17,7 @@ class AdministrativeAccessVoter extends Voter
     public const ADMINISTRATIVE_ACCESS = 'ADMINISTRATIVE_ACCESS';
 
     public function __construct(
-        private readonly AuthorizationCheckerInterface $authorizationChecker,
+        private readonly AccessDecisionManagerInterface $accessDecisionManager,
     ) {
     }
 
@@ -25,9 +26,9 @@ class AdministrativeAccessVoter extends Voter
         return self::ADMINISTRATIVE_ACCESS === $attribute;
     }
 
-    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token, ?Vote $vote = null): bool
     {
-        return $this->authorizationChecker->isGranted('ROLE_ADMIN')
-            || $this->authorizationChecker->isGranted('ROLE_GROUPS_MANAGER');
+        return $this->accessDecisionManager->decide($token, ['ROLE_ADMIN'])
+            || $this->accessDecisionManager->decide($token, ['ROLE_GROUPS_MANAGER']);
     }
 }

src/Security/Voter/BookingVoter.php

@@ -7,6 +7,7 @@ namespace App\Security\Voter;
 use App\BusProNet\Model\Booking;
 use App\Entity\User;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Vote;
 use Symfony\Component\Security\Core\Authorization\Voter\Voter;
 
 /**
@@ -32,7 +33,7 @@ class BookingVoter extends Voter
         return $subject instanceof Booking;
     }
 
-    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token, ?Vote $vote = null): bool
     {
         /** @var User|null $user */
         $user = $token->getUser();

symfony.lock

@@ -177,6 +177,18 @@
             ".env"
         ]
     },
+    "symfony/form": {
+        "version": "7.4",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "main",
+            "version": "7.2",
+            "ref": "7d86a6723f4a623f59e2bf966b6aad2fc461d36b"
+        },
+        "files": [
+            "config/packages/csrf.yaml"
+        ]
+    },
     "symfony/framework-bundle": {
         "version": "6.4",
         "recipe": {
@@ -280,6 +292,18 @@
             "tests/bootstrap.php"
         ]
     },
+    "symfony/property-info": {
+        "version": "7.4",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "main",
+            "version": "7.3",
+            "ref": "dae70df71978ae9226ae915ffd5fad817f5ca1f7"
+        },
+        "files": [
+            "config/packages/property_info.yaml"
+        ]
+    },
     "symfony/routing": {
         "version": "6.4",
         "recipe": {

templates/_partials/_toast.html.twig

@@ -1,10 +1,8 @@
-{% apply spaceless %}
-    {% for message in messages %}
-        {% if message is iterable %}
-            {% set message = message.id | trans(message.parameters | default({}), message.domain | default(null), message.locale | default(null)) | raw %}
-        {% else %}
-            {% set message = message | trans | raw %}
-        {% endif %}
-        <div {{ stimulus_controller('toast', { 'text': message, 'class': 'toastify--' ~ level}) }}{{ qa_attribute('toast', level)}}></div>
-    {% endfor %}
-{% endapply %}
+{% for message in messages %}
+    {% if message is iterable %}
+        {% set message = message.id | trans(message.parameters | default({}), message.domain | default(null), message.locale | default(null)) | raw %}
+    {% else %}
+        {% set message = message | trans | raw %}
+    {% endif %}
+    <div {{ stimulus_controller('toast', { 'text': message, 'class': 'toastify--' ~ level}) }}{{ qa_attribute('toast', level)}}></div>
+{% endfor %}

tests/BusProNet/ApiClientReceiveTest.php

@@ -17,19 +17,22 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 class ApiClientReceiveTest extends TestCase
 {
-    private ApiClient $apiClient;
+    private ?ApiClient $apiClient = null;
     private LoggerInterface $logger;
 
     protected function setUp(): void
     {
-        $this->logger = $this->createMock(LoggerInterface::class);
+        $this->logger = $this->createStub(LoggerInterface::class);
+    }
 
-        $this->apiClient = new ApiClient(
-            $this->createMock(SerializerInterface::class),
-            $this->createMock(ApiResponseParser::class),
-            $this->createMock(FilesystemOperator::class),
+    private function apiClient(): ApiClient
+    {
+        return $this->apiClient ??= new ApiClient(
+            $this->createStub(SerializerInterface::class),
+            $this->createStub(ApiResponseParser::class),
+            $this->createStub(FilesystemOperator::class),
             $this->logger,
-            $this->createMock(BookingDataProcessor::class),
+            $this->createStub(BookingDataProcessor::class),
             new RequestStack(),
             new RequestIdGenerator(),
             [
@@ -43,6 +46,8 @@ class ApiClientReceiveTest extends TestCase
 
     public function testEmptyResponseThrowsImmediateConnectionCloseException(): void
     {
+        $this->logger = $this->createMock(LoggerInterface::class);
+
         $stream = fopen('php://memory', 'r+');
         // Write nothing — stream is immediately at EOF
         rewind($stream);
@@ -82,18 +87,18 @@ class ApiClientReceiveTest extends TestCase
     {
         $method = new \ReflectionMethod(ApiClient::class, 'receive');
 
-        return $method->invoke($this->apiClient, $socket);
+        return $method->invoke($this->apiClient(), $socket);
     }
 
     private function setOperationStartTime(): void
     {
         $property = new \ReflectionProperty(ApiClient::class, 'operationStartTime');
-        $property->setValue($this->apiClient, microtime(true));
+        $property->setValue($this->apiClient(), microtime(true));
     }
 
     private function setSelectedPort(int $port): void
     {
         $property = new \ReflectionProperty(ApiClient::class, 'selectedPort');
-        $property->setValue($this->apiClient, $port);
+        $property->setValue($this->apiClient(), $port);
     }
 }

tests/BusProNet/DataLoader/TravelDataLoaderTest.php

@@ -34,7 +34,7 @@ class TravelDataLoaderTest extends TestCase
             ->with('test_file.xml')
             ->willReturn($xmlContent);
 
-        $hotelLoader = $this->createMock(HotelLoader::class);
+        $hotelLoader = $this->createStub(HotelLoader::class);
         $travelParser = $this->createMock(TravelParser::class);
 
         $expectedTravel = new Travel();

tests/BusProNet/DataProcessor/BookingDataProcessorTest.php

@@ -40,8 +40,8 @@ class BookingDataProcessorTest extends TestCase
     protected function setUp(): void
     {
         // Create a mock InsuranceManager
-        $insuranceService = $this->createMock(InsuranceManager::class);
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
 
         // Mock getSelectableInsurances to return empty array (not used in these tests)
         $insuranceService->method('getSelectableInsurances')
@@ -851,7 +851,7 @@ class BookingDataProcessorTest extends TestCase
         $bookingDto = new BookingDto($this->createMockTravel(), 1);
         $bookingDto->participants = [$applicant, $dependent];
 
-        $insuranceService = $this->createMock(InsuranceManager::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
         // Both insurances must already look eligible, otherwise the submit-time
         // reconciliation step (added for stale-insurance re-validation) would clear
         // them before propagation even runs - this test is only about propagation.
@@ -864,11 +864,11 @@ class BookingDataProcessorTest extends TestCase
             1 => null,
         ]);
 
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $priceCalculatorService->method('calculateIndividualParticipantPriceExcludingInsurance')->willReturn(0.0);
         $priceCalculatorService->method('resolveInsuranceTravelPrice')->willReturn(0.0);
 
-        $payloadBuilder = $this->createMock(BookingPayloadBuilder::class);
+        $payloadBuilder = $this->createStub(BookingPayloadBuilder::class);
         $payloadBuilder->method('buildCreatePayload')->willReturn([]);
 
         $processor = new BookingDataProcessor(
@@ -911,14 +911,14 @@ class BookingDataProcessorTest extends TestCase
         $dependent = $formData->participants[1];
         $dependent->insurance = $dependentInsurance;
 
-        $insuranceService = $this->createMock(InsuranceManager::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
         $insuranceService->method('getSelectableInsurances')->willReturn([]);
         $insuranceService->method('batchAssignInsuranceToParticipants')->willReturn([
             0 => $familyInsurance,
             1 => null,
         ]);
 
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $priceCalculatorService->method('calculateIndividualParticipantPriceExcludingInsurance')->willReturn(0.0);
 
         $processor = new BookingDataProcessor(
@@ -961,18 +961,18 @@ class BookingDataProcessorTest extends TestCase
         $bookingDto = new BookingDto($this->createMockTravel(), 1);
         $bookingDto->participants = [$applicant];
 
-        $insuranceService = $this->createMock(InsuranceManager::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
         $insuranceService->method('getSelectableInsurances')->willReturn([$staleInsurance, $correctTierInsurance]);
         // Only the higher tier is eligible at the current (updated) price.
         $insuranceService->method('getEligibleInsurances')->willReturn([$correctTierInsurance]);
         $insuranceService->method('reassignInsuranceForPriceChange')->willReturn($correctTierInsurance);
         $insuranceService->method('batchAssignInsuranceToParticipants')->willReturn([0 => $correctTierInsurance]);
 
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $priceCalculatorService->method('calculateIndividualParticipantPriceExcludingInsurance')->willReturn(0.0);
         $priceCalculatorService->method('resolveInsuranceTravelPrice')->willReturn(2600.0);
 
-        $payloadBuilder = $this->createMock(BookingPayloadBuilder::class);
+        $payloadBuilder = $this->createStub(BookingPayloadBuilder::class);
         $payloadBuilder->method('buildCreatePayload')->willReturn([]);
 
         $processor = new BookingDataProcessor(
@@ -1009,17 +1009,17 @@ class BookingDataProcessorTest extends TestCase
         $bookingDto = new BookingDto($this->createMockTravel(), 1);
         $bookingDto->participants = [$applicant];
 
-        $insuranceService = $this->createMock(InsuranceManager::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
         $insuranceService->method('getSelectableInsurances')->willReturn([$staleInsurance]);
         $insuranceService->method('getEligibleInsurances')->willReturn([]);
         $insuranceService->method('reassignInsuranceForPriceChange')->willReturn(null);
         $insuranceService->method('batchAssignInsuranceToParticipants')->willReturn([0 => null]);
 
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $priceCalculatorService->method('calculateIndividualParticipantPriceExcludingInsurance')->willReturn(0.0);
         $priceCalculatorService->method('resolveInsuranceTravelPrice')->willReturn(9999.0);
 
-        $payloadBuilder = $this->createMock(BookingPayloadBuilder::class);
+        $payloadBuilder = $this->createStub(BookingPayloadBuilder::class);
         $payloadBuilder->method('buildCreatePayload')->willReturn([]);
 
         $processor = new BookingDataProcessor(
@@ -1056,16 +1056,16 @@ class BookingDataProcessorTest extends TestCase
         $bookingDto = new BookingDto($this->createMockTravel(), 1);
         $bookingDto->participants = [$applicant];
 
-        $insuranceService = $this->createMock(InsuranceManager::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
         $insuranceService->method('getSelectableInsurances')->willReturn([$insurance]);
         $insuranceService->method('getEligibleInsurances')->willReturn([$insurance]);
         $insuranceService->method('batchAssignInsuranceToParticipants')->willReturn([0 => $insurance]);
 
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $priceCalculatorService->method('calculateIndividualParticipantPriceExcludingInsurance')->willReturn(0.0);
         $priceCalculatorService->method('resolveInsuranceTravelPrice')->willReturn(500.0);
 
-        $payloadBuilder = $this->createMock(BookingPayloadBuilder::class);
+        $payloadBuilder = $this->createStub(BookingPayloadBuilder::class);
         $payloadBuilder->method('buildCreatePayload')->willReturn([]);
 
         $processor = new BookingDataProcessor(

tests/BusProNet/Service/BookingStatusRuleRegistryTest.php

@@ -15,7 +15,7 @@ class BookingStatusRuleRegistryTest extends TestCase
 {
     public function testReturnsDefaultStatusWhenNoRulesMatch(): void
     {
-        $rule = $this->createMock(BookingStatusRuleInterface::class);
+        $rule = $this->createStub(BookingStatusRuleInterface::class);
         $rule->method('evaluate')->willReturn(false);
         $rule->method('getPriority')->willReturn(100);
 
@@ -27,7 +27,7 @@ class BookingStatusRuleRegistryTest extends TestCase
 
     public function testReturnsMatchingRuleStatus(): void
     {
-        $rule = $this->createMock(BookingStatusRuleInterface::class);
+        $rule = $this->createStub(BookingStatusRuleInterface::class);
         $rule->method('evaluate')->willReturn(true);
         $rule->method('getStatus')->willReturn('O');
         $rule->method('getPriority')->willReturn(100);
@@ -40,12 +40,12 @@ class BookingStatusRuleRegistryTest extends TestCase
 
     public function testHigherPriorityRuleTakesPrecedence(): void
     {
-        $lowPriorityRule = $this->createMock(BookingStatusRuleInterface::class);
+        $lowPriorityRule = $this->createStub(BookingStatusRuleInterface::class);
         $lowPriorityRule->method('evaluate')->willReturn(true);
         $lowPriorityRule->method('getStatus')->willReturn('L');
         $lowPriorityRule->method('getPriority')->willReturn(50);
 
-        $highPriorityRule = $this->createMock(BookingStatusRuleInterface::class);
+        $highPriorityRule = $this->createStub(BookingStatusRuleInterface::class);
         $highPriorityRule->method('evaluate')->willReturn(true);
         $highPriorityRule->method('getStatus')->willReturn('H');
         $highPriorityRule->method('getPriority')->willReturn(100);
@@ -66,12 +66,12 @@ class BookingStatusRuleRegistryTest extends TestCase
 
     public function testFirstMatchingRuleWinsForSamePriority(): void
     {
-        $firstMatchingRule = $this->createMock(BookingStatusRuleInterface::class);
+        $firstMatchingRule = $this->createStub(BookingStatusRuleInterface::class);
         $firstMatchingRule->method('evaluate')->willReturn(true);
         $firstMatchingRule->method('getStatus')->willReturn('A');
         $firstMatchingRule->method('getPriority')->willReturn(100);
 
-        $secondMatchingRule = $this->createMock(BookingStatusRuleInterface::class);
+        $secondMatchingRule = $this->createStub(BookingStatusRuleInterface::class);
         $secondMatchingRule->method('evaluate')->willReturn(true);
         $secondMatchingRule->method('getStatus')->willReturn('B');
         $secondMatchingRule->method('getPriority')->willReturn(100);
@@ -84,12 +84,12 @@ class BookingStatusRuleRegistryTest extends TestCase
 
     public function testNonMatchingHighPriorityRuleDoesNotBlockLowerPriority(): void
     {
-        $highPriorityRule = $this->createMock(BookingStatusRuleInterface::class);
+        $highPriorityRule = $this->createStub(BookingStatusRuleInterface::class);
         $highPriorityRule->method('evaluate')->willReturn(false);
         $highPriorityRule->method('getStatus')->willReturn('H');
         $highPriorityRule->method('getPriority')->willReturn(100);
 
-        $lowPriorityRule = $this->createMock(BookingStatusRuleInterface::class);
+        $lowPriorityRule = $this->createStub(BookingStatusRuleInterface::class);
         $lowPriorityRule->method('evaluate')->willReturn(true);
         $lowPriorityRule->method('getStatus')->willReturn('L');
         $lowPriorityRule->method('getPriority')->willReturn(50);
@@ -102,7 +102,7 @@ class BookingStatusRuleRegistryTest extends TestCase
 
     public function testSelection1473RuleWinsOverLowerPriorityRule(): void
     {
-        $lowerPriorityRule = $this->createMock(BookingStatusRuleInterface::class);
+        $lowerPriorityRule = $this->createStub(BookingStatusRuleInterface::class);
         $lowerPriorityRule->method('evaluate')->willReturn(true);
         $lowerPriorityRule->method('getStatus')->willReturn('X');
         $lowerPriorityRule->method('getPriority')->willReturn(100);

tests/BusProNet/Utility/DayTimeUtilityTest.php

@@ -3,13 +3,12 @@
 namespace App\Tests\BusProNet\Utility;
 
 use App\BusProNet\Utility\DayTimeUtility;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 class DayTimeUtilityTest extends TestCase
 {
-    /**
-     * @dataProvider dayTimeProvider
-     */
+    #[DataProvider('dayTimeProvider')]
     public function testMapTime(?string $time, ?string $dayTime): void
     {
         $utility = new DayTimeUtility();
@@ -18,7 +17,7 @@ class DayTimeUtilityTest extends TestCase
         $this->assertEquals($dayTime, $result);
     }
 
-    public function dayTimeProvider(): array
+    public static function dayTimeProvider(): array
     {
         return [
             [null, null],

tests/BusProNet/XmlLoader/PickupLoaderTest.php

@@ -7,7 +7,9 @@ namespace App\Tests\BusProNet\XmlLoader;
 use App\BusProNet\Model\Pickup;
 use App\BusProNet\Model\Travel;
 use App\BusProNet\XmlLoader\PickupLoader;
+use League\Flysystem\FilesystemOperator;
 use PHPUnit\Framework\TestCase;
+use Symfony\Contracts\Cache\CacheInterface;
 
 class PickupLoaderTest extends TestCase
 {
@@ -15,17 +17,21 @@ class PickupLoaderTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->loader = $this->createPartialMock(PickupLoader::class, ['loadById']);
-        $this->loader->method('loadById')->willReturnCallback(function (int $id): Pickup {
-            $pickup = new Pickup();
-            $pickup->id = $id;
-            $pickup->code = 'Z'.$id;
-            $pickup->city = 'City '.$id;
-            $pickup->postalCode = '0000'.$id;
-            $pickup->street = 'Street '.$id;
+        // patchPickupsDetails() is the unit under test; loadById() only has to hand back
+        // a Pickup per id, so a subclass beats a partial mock over the XML/cache stack.
+        $this->loader = new class($this->createStub(CacheInterface::class), $this->createStub(FilesystemOperator::class)) extends PickupLoader {
+            public function loadById(int $id, ?string $filename = 'zustiege.xml'): ?Pickup
+            {
+                $pickup = new Pickup();
+                $pickup->id = $id;
+                $pickup->code = 'Z'.$id;
+                $pickup->city = 'City '.$id;
+                $pickup->postalCode = '0000'.$id;
+                $pickup->street = 'Street '.$id;
 
-            return $pickup;
-        });
+                return $pickup;
+            }
+        };
     }
 
     public function testDropOffsAreOrderedInReverseOfSortedPickups(): void

tests/BusProNet/XmlParser/AgencyParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\AgencyParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class AgencyParserTest extends TestCase
 {
@@ -41,7 +41,7 @@ class AgencyParserTest extends TestCase
     </agenturen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $resultNode = $crawler->filterXPath('//ergebnis');
         $agencies = $this->parser->parse($resultNode);
 
@@ -79,7 +79,7 @@ class AgencyParserTest extends TestCase
     </agenturen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $resultNode = $crawler->filterXPath('//ergebnis');
         $agencies = $this->parser->parse($resultNode);
 
@@ -102,7 +102,7 @@ class AgencyParserTest extends TestCase
     </agenturen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $resultNode = $crawler->filterXPath('//ergebnis');
         $agencies = $this->parser->parse($resultNode);
 

tests/BusProNet/XmlParser/BookingInsurancesParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\BookingInsurancesParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class BookingInsurancesParserTest extends TestCase
 {
@@ -22,7 +22,7 @@ class BookingInsurancesParserTest extends TestCase
 </ergebnis>
 XML;
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $insurancesData = $crawler->filterXPath('//versicherungen/versicherung');
 
         $parser = new BookingInsurancesParser();
@@ -53,7 +53,7 @@ XML;
 </ergebnis>
 XML;
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $insurancesData = $crawler->filterXPath('//versicherungen/versicherung');
 
         $parser = new BookingInsurancesParser();
@@ -88,7 +88,7 @@ XML;
 </ergebnis>
 XML;
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $insurancesData = $crawler->filterXPath('//versicherungen/versicherung');
 
         $parser = new BookingInsurancesParser();

tests/BusProNet/XmlParser/BookingResponseParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\BookingResponseParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class BookingResponseParserTest extends TestCase
 {
@@ -34,7 +34,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         $this->assertTrue($response->isInquiryValid());
@@ -67,7 +67,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         $this->assertTrue($response->isInquiryValid());
@@ -102,7 +102,7 @@ class BookingResponseParserTest extends TestCase
     <zahlungsbedingungen></zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         $this->assertTrue($response->isInquiryValid());
@@ -140,7 +140,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         // Verify all voucher types are parsed
@@ -169,7 +169,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         $this->assertTrue($response->isInquiryValid());
@@ -200,7 +200,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         // Verify multiple purchase vouchers are parsed
@@ -228,7 +228,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         $this->assertTrue($response->isInquiryValid());
@@ -269,7 +269,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         // Voucher discount should only include AKTION
@@ -305,7 +305,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         // Verify no API-applied discounts
@@ -333,7 +333,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         $this->assertTrue($response->isInquiryValid());
@@ -366,7 +366,7 @@ class BookingResponseParserTest extends TestCase
     </zahlungsbedingungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $response = $this->parser->parse($crawler->filter('ergebnis'));
 
         // Only ERM (Gruppenrabatt) should be counted as API-applied discount

tests/BusProNet/XmlParser/CrmAttributesResponseParserTest.php

@@ -5,9 +5,9 @@ declare(strict_types=1);
 namespace App\Tests\BusProNet\XmlParser;
 
 use App\BusProNet\Model\CrmAttributes;
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\CrmAttributesResponseParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class CrmAttributesResponseParserTest extends TestCase
 {
@@ -82,7 +82,7 @@ class CrmAttributesResponseParserTest extends TestCase
         // A house that is deliberately left out of bpn_crm_house_manager_ids claims nothing —
         // matching is by id, never by label.
         $parser = new CrmAttributesResponseParser([]);
-        $attributes = $parser->parse((new Crawler($this->hausleitungXml()))->filterXPath('//ergebnis'));
+        $attributes = $parser->parse(XmlCrawlerFactory::create($this->hausleitungXml())->filterXPath('//ergebnis'));
 
         self::assertSame([], $attributes->roles);
         self::assertSame([], $attributes->hotelCodes);
@@ -108,7 +108,7 @@ class CrmAttributesResponseParserTest extends TestCase
 
     private function parse(string $xmlContent): CrmAttributes
     {
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $resultNode = $crawler->filterXPath('//ergebnis');
 
         return $this->parser->parse($resultNode);

tests/BusProNet/XmlParser/ExtendedAvailabilitiesParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\ExtendedAvailabilitiesParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class ExtendedAvailabilitiesParserTest extends TestCase
 {
@@ -28,7 +28,7 @@ class ExtendedAvailabilitiesParserTest extends TestCase
     <reise status="Frei" buchungstatusmoeglich="FA" />
 </ergebnis>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $response = $this->parser->parseServices($crawler);
 
         $services = $response->getServices();
@@ -58,7 +58,7 @@ class ExtendedAvailabilitiesParserTest extends TestCase
     </leistungen>
 </ergebnis>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $response = $this->parser->parseServices($crawler);
 
         $services = $response->getServices();
@@ -78,7 +78,7 @@ class ExtendedAvailabilitiesParserTest extends TestCase
     <reise status="Frei" buchungstatusmoeglich="FA" />
 </ergebnis>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $response = $this->parser->parseServices($crawler);
 
         $this->assertSame('Frei', $response->travelStatus);
@@ -93,7 +93,7 @@ class ExtendedAvailabilitiesParserTest extends TestCase
     <reise status="Frei" buchungstatusmoeglich="" />
 </ergebnis>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $response = $this->parser->parseServices($crawler);
 
         $this->assertSame([], $response->allowedBookingStatus);
@@ -106,7 +106,7 @@ class ExtendedAvailabilitiesParserTest extends TestCase
     <leistungen />
 </ergebnis>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $response = $this->parser->parseServices($crawler);
 
         $this->assertNull($response->travelStatus);
@@ -120,7 +120,7 @@ class ExtendedAvailabilitiesParserTest extends TestCase
     <leistungen />
 </ergebnis>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $response = $this->parser->parseServices($crawler);
 
         $this->assertSame([], $response->getServices());

tests/BusProNet/XmlParser/InsuranceParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\InsuranceParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class InsuranceParserTest extends TestCase
 {
@@ -36,7 +36,7 @@ class InsuranceParserTest extends TestCase
  </versicherungspakete>
 </versicherungsstammdaten>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $insurances = $this->parser->parse($crawler);
 
         // Test all insurances are included (2 regular + 1 complementary + 1 package = 4 total)
@@ -112,7 +112,7 @@ class InsuranceParserTest extends TestCase
  </versicherungspakete>
 </versicherungsstammdaten>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $insurances = $this->parser->parse($crawler);
 
         $this->assertCount(2, $insurances);
@@ -134,7 +134,7 @@ class InsuranceParserTest extends TestCase
  </versicherungen>
 </versicherungsstammdaten>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $insurances = $this->parser->parse($crawler);
 
         $this->assertCount(1, $insurances);
@@ -155,7 +155,7 @@ class InsuranceParserTest extends TestCase
  </versicherungspakete>
 </versicherungsstammdaten>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $insurances = $this->parser->parse($crawler);
 
         $this->assertEmpty($insurances);
@@ -179,7 +179,7 @@ class InsuranceParserTest extends TestCase
  </versicherungspakete>
 </versicherungsstammdaten>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $insurances = $this->parser->parse($crawler);
 
         // Should include: normal insurance (178917), both complementary insurances (177270, 999999), and package (P1000320)

tests/BusProNet/XmlParser/PersonalDataParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\PersonalDataParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class PersonalDataParserTest extends TestCase
 {
@@ -46,7 +46,7 @@ class PersonalDataParserTest extends TestCase
 
     private function parse(string $xml): \App\BusProNet\Model\PersonalData
     {
-        return $this->parser->parse(new Crawler($xml));
+        return $this->parser->parse(XmlCrawlerFactory::create($xml));
     }
 
     /**

tests/BusProNet/XmlParser/TravelParserTest.php

@@ -4,9 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\BusProNet\XmlParser;
 
+use App\BusProNet\XmlCrawlerFactory;
 use App\BusProNet\XmlParser\TravelParser;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 
 class TravelParserTest extends TestCase
 {
@@ -68,7 +68,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -135,7 +135,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -166,7 +166,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -201,7 +201,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -240,7 +240,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -284,7 +284,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -319,7 +319,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -347,7 +347,7 @@ class TravelParserTest extends TestCase
     </reise>
 </reisen>';
 
-        $crawler = new Crawler($xmlContent);
+        $crawler = XmlCrawlerFactory::create($xmlContent);
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $this->parser->parse($travelNode);
 
@@ -364,7 +364,7 @@ class TravelParserTest extends TestCase
     <zustieg idbuspro="4" zeit="01:00" preis="0,00" />
 </zustiege>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $defaultDate = new \DateTimeImmutable('2029-12-30');
 
         $pickups = $this->parser->getPickups(
@@ -392,7 +392,7 @@ class TravelParserTest extends TestCase
     <zustieg idbuspro="2" zeit="30.12.2029 20:30" preis="0,00" />
 </zustiege>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $defaultDate = new \DateTimeImmutable('2029-12-30');
 
         $pickups = $this->parser->getPickups(
@@ -413,7 +413,7 @@ class TravelParserTest extends TestCase
     <zustieg idbuspro="2" zeit="01:00" preis="0,00" />
 </zustiege>';
 
-        $crawler = new Crawler($xml);
+        $crawler = XmlCrawlerFactory::create($xml);
         $defaultDate = new \DateTimeImmutable('2029-12-30');
 
         $pickups = $this->parser->getPickups(

tests/Command/BpnSyncContingentsCommandTest.php

@@ -71,24 +71,24 @@ class BpnSyncContingentsCommandTest extends TestCase
             $hotelCodes,
         );
 
-        $accommodationRepository = $this->createMock(AccommodationRepository::class);
+        $accommodationRepository = $this->createStub(AccommodationRepository::class);
         $accommodationRepository->method('findAllWithCalendarCode')->willReturn($accommodations);
 
-        $manager = $this->createMock(ContingentSnapshotManager::class);
+        $manager = $this->createStub(ContingentSnapshotManager::class);
         if ([] !== $results) {
             $manager->method('sync')->willReturnOnConsecutiveCalls(...$results);
         }
 
         $command = new BpnSyncContingentsCommand(
             $accommodationRepository,
-            $this->createMock(ContingentSyncStateRepository::class),
-            $this->createMock(ContingentDayRepository::class),
+            $this->createStub(ContingentSyncStateRepository::class),
+            $this->createStub(ContingentDayRepository::class),
             $manager,
             new NullLogger(),
         );
 
         $application = new Application();
-        $application->add($command);
+        $application->addCommand($command);
 
         $tester = new CommandTester($application->find('app:bpn:sync-contingents'));
         $tester->execute(['--horizon-months' => '1']);

tests/Command/BpnXmlSyncCommandTest.php

@@ -27,12 +27,14 @@ class BpnXmlSyncCommandTest extends TestCase
     private TravelLoader $travelLoader;
     private TravelDataProvider $travelDataService;
     private TravelSnapshotManager $travelSnapshotService;
-    private BpnXmlSnapshotRefreshManager $snapshotRefreshManager;
-    private BpnXmlSyncManager $syncManager;
-    private BpnXmlSyncCommand $command;
+    private ?BpnXmlSyncCommand $command = null;
 
     protected function tearDown(): void
     {
+        if (null === $this->command) {
+            return;
+        }
+
         $release = new \ReflectionMethod($this->command, 'release');
         $release->setAccessible(true);
         $release->invoke($this->command);
@@ -40,30 +42,30 @@ class BpnXmlSyncCommandTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->xmlSource = $this->createMock(FilesystemOperator::class);
-        $this->xmlExport = $this->createMock(FilesystemOperator::class);
+        $this->xmlSource = $this->createStub(FilesystemOperator::class);
+        $this->xmlExport = $this->createStub(FilesystemOperator::class);
         $this->cache = $this->createMock(TagAwareCacheInterface::class);
-        $this->logger = $this->createMock(LoggerInterface::class);
+        $this->logger = $this->createStub(LoggerInterface::class);
         $this->travelLoader = $this->createMock(TravelLoader::class);
         $this->travelDataService = $this->createMock(TravelDataProvider::class);
         $this->travelSnapshotService = $this->createMock(TravelSnapshotManager::class);
-        $this->snapshotRefreshManager = new BpnXmlSnapshotRefreshManager(
-            $this->travelLoader,
-            $this->travelDataService,
-            $this->travelSnapshotService,
-            $this->logger,
-        );
+    }
 
-        $this->syncManager = new BpnXmlSyncManager(
-            $this->xmlSource,
-            $this->xmlExport,
-            $this->cache,
-            $this->logger,
-        );
-
-        $this->command = new BpnXmlSyncCommand(
-            $this->syncManager,
-            $this->snapshotRefreshManager,
+    private function command(): BpnXmlSyncCommand
+    {
+        return $this->command ??= new BpnXmlSyncCommand(
+            new BpnXmlSyncManager(
+                $this->xmlSource,
+                $this->xmlExport,
+                $this->cache,
+                $this->logger,
+            ),
+            new BpnXmlSnapshotRefreshManager(
+                $this->travelLoader,
+                $this->travelDataService,
+                $this->travelSnapshotService,
+                $this->logger,
+            ),
             $this->logger,
         );
     }
@@ -101,7 +103,7 @@ class BpnXmlSyncCommandTest extends TestCase
             ->method('invalidateTags')
             ->with(['xml-sync']);
 
-        $tester = new CommandTester($this->command);
+        $tester = new CommandTester($this->command());
         $tester->execute([]);
 
         $this->assertSame(Command::SUCCESS, $tester->getStatusCode());
@@ -121,7 +123,7 @@ class BpnXmlSyncCommandTest extends TestCase
         $this->travelSnapshotService->expects($this->never())->method('purgeOrphanedFutureSnapshots');
         $this->cache->expects($this->never())->method('invalidateTags');
 
-        $tester = new CommandTester($this->command);
+        $tester = new CommandTester($this->command());
         $tester->execute([]);
 
         $this->assertSame(Command::SUCCESS, $tester->getStatusCode());
@@ -129,6 +131,8 @@ class BpnXmlSyncCommandTest extends TestCase
 
     public function testSnapshotSyncIsSkippedAndWarningLoggedWhenFileMapGenerationFails(): void
     {
+        $this->logger = $this->createMock(LoggerInterface::class);
+
         $newerTimestamp = "24.03.2026 12:00:00\nExport\n3 Dateien\n";
         $olderTimestamp = "24.03.2026 10:00:00\nExport\n3 Dateien\n";
 
@@ -153,7 +157,7 @@ class BpnXmlSyncCommandTest extends TestCase
         $this->travelSnapshotService->expects($this->never())->method('purgeOrphanedFutureSnapshots');
         $this->cache->expects($this->once())->method('invalidateTags')->with(['xml-sync']);
 
-        $tester = new CommandTester($this->command);
+        $tester = new CommandTester($this->command());
         $tester->execute([]);
 
         $this->assertSame(Command::SUCCESS, $tester->getStatusCode());

tests/Command/DbAnonymizeCommandTest.php

@@ -51,7 +51,7 @@ class DbAnonymizeCommandTest extends TestCase
     {
         return new DbAnonymizeCommand(
             $anonymizer,
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(LoggerInterface::class),
             $environment,
         );
     }

tests/Command/MailjetNewsletterWebhookCommandTest.php

@@ -90,7 +90,7 @@ class MailjetNewsletterWebhookCommandTest extends TestCase
             $mailjetApiClient,
             'https://my.ep-reisen.de',
             'secret',
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(LoggerInterface::class),
         );
     }
 }

tests/Controller/Account/PersonalDataControllerTest.php

@@ -27,7 +27,10 @@ class PersonalDataControllerTest extends TestCase
 {
     public function testIndexRendersNewsletterSubscribeCtaWhenNotSubscribed(): void
     {
-        $controller = $this->createController();
+        $controller = $this->createController(
+            apiClient: $this->createMock(ApiClient::class),
+            newsletterManager: $this->createMock(NewsletterManager::class),
+        );
         $controller->apiClient
             ->expects(self::once())
             ->method('getPersonalData')
@@ -55,7 +58,10 @@ class PersonalDataControllerTest extends TestCase
 
     public function testIndexStillTracksPendingNewsletterConfirmationWhenSubscribed(): void
     {
-        $controller = $this->createController();
+        $controller = $this->createController(
+            apiClient: $this->createMock(ApiClient::class),
+            newsletterManager: $this->createMock(NewsletterManager::class),
+        );
         $controller->apiClient
             ->expects(self::once())
             ->method('getPersonalData')
@@ -82,7 +88,10 @@ class PersonalDataControllerTest extends TestCase
 
     public function testNewsletterActionReturnsHtmxRedirectAndFlash(): void
     {
-        $controller = $this->createController();
+        $controller = $this->createController(
+            apiClient: $this->createMock(ApiClient::class),
+            newsletterManager: $this->createMock(NewsletterManager::class),
+        );
         $controller->apiClient
             ->expects(self::once())
             ->method('getPersonalData')
@@ -122,7 +131,10 @@ class PersonalDataControllerTest extends TestCase
 
     public function testNewsletterActionResendsPendingConfirmation(): void
     {
-        $controller = $this->createController();
+        $controller = $this->createController(
+            apiClient: $this->createMock(ApiClient::class),
+            newsletterManager: $this->createMock(NewsletterManager::class),
+        );
         $controller->apiClient
             ->expects(self::once())
             ->method('getPersonalData')
@@ -173,7 +185,10 @@ class PersonalDataControllerTest extends TestCase
      */
     public function testIndexDoesNotSubmitTheFormWhenPersonalDataCouldNotBeLoaded(): void
     {
-        $controller = $this->createController();
+        $controller = $this->createController(
+            apiClient: $this->createMock(ApiClient::class),
+            form: $this->createMock(FormInterface::class),
+        );
         $controller->apiClient
             ->expects(self::once())
             ->method('getPersonalData')
@@ -194,20 +209,25 @@ class PersonalDataControllerTest extends TestCase
         self::assertSame('account/personal_data.html.twig', $controller->renderedView);
     }
 
-    private function createController(): TestablePersonalDataController
-    {
+    /**
+     * Collaborators default to stubs; a test passes its own mock for whatever it sets
+     * expectations on, and reaches it again through the controller's public property.
+     */
+    private function createController(
+        ?ApiClient $apiClient = null,
+        ?NewsletterManager $newsletterManager = null,
+        ?FormInterface $form = null,
+    ): TestablePersonalDataController {
         $user = new User('[email protected]');
         $user->setPassword('secret');
 
-        $apiClient = $this->createMock(ApiClient::class);
-
         $crypt = $this->createMock(Crypt::class);
         $crypt
             ->method('decrypt')
             ->with('secret')
             ->willReturn('secret');
 
-        $form = $this->createMock(FormInterface::class);
+        $form ??= $this->createStub(FormInterface::class);
         $form
             ->method('handleRequest')
             ->willReturnSelf();
@@ -216,13 +236,13 @@ class PersonalDataControllerTest extends TestCase
             ->willReturn(false);
 
         return new TestablePersonalDataController(
-            $apiClient,
+            $apiClient ?? $this->createStub(ApiClient::class),
             $crypt,
-            $this->createMock(BookingEditDataLoader::class),
-            $this->createMock(ProfileCompletenessChecker::class),
-            $this->createMock(EntityManagerInterface::class),
-            $this->createMock(NewsletterManager::class),
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(BookingEditDataLoader::class),
+            $this->createStub(ProfileCompletenessChecker::class),
+            $this->createStub(EntityManagerInterface::class),
+            $newsletterManager ?? $this->createStub(NewsletterManager::class),
+            $this->createStub(LoggerInterface::class),
             $user,
             $form,
         );
@@ -299,7 +319,7 @@ final class TestablePersonalDataController extends PersonalDataController
         $this->flashes[] = [$type, (string) $message];
     }
 
-    protected function render(string $view, array $parameters = [], Response $response = null): Response
+    protected function render(string $view, array $parameters = [], ?Response $response = null): Response
     {
         $this->renderedView = $view;
         $this->renderedParameters = $parameters;

tests/Controller/Admin/AccommodationBooking/ChangeAccommodationControllerTest.php

@@ -9,6 +9,7 @@ use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Service\AccommodationBookingService;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\Form\FormInterface;
@@ -34,9 +35,7 @@ class ChangeAccommodationControllerTest extends TestCase
         self::assertSame('admin/accommodation_booking/modal_change_accommodation.html.twig', $controller->renderedView);
     }
 
-    /**
-     * @dataProvider lockedStatuses
-     */
+    #[DataProvider('lockedStatuses')]
     public function testABookingThatHasLeftEntwurfCannotMoveHouse(AccommodationBookingStatus $status): void
     {
         // The customer may already be looking at the offer under their access link.
@@ -127,7 +126,7 @@ class ChangeAccommodationControllerTest extends TestCase
 
     private function unsubmittedForm(): FormInterface
     {
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('handleRequest')->willReturn($form);
         $form->method('isSubmitted')->willReturn(false);
 
@@ -136,7 +135,7 @@ class ChangeAccommodationControllerTest extends TestCase
 
     private function submittedForm(Accommodation $selected): FormInterface
     {
-        $field = $this->createMock(FormInterface::class);
+        $field = $this->createStub(FormInterface::class);
         $field->method('getData')->willReturn($selected);
 
         $form = $this->createMock(FormInterface::class);
@@ -154,7 +153,7 @@ class ChangeAccommodationControllerTest extends TestCase
     ): TestableChangeAccommodationController {
         return new TestableChangeAccommodationController(
             $bookingService,
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(LoggerInterface::class),
             $form,
         );
     }

tests/Controller/Admin/AccommodationBooking/ConfirmControllerTest.php

@@ -9,6 +9,7 @@ use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Message\CreateClickUpBookingTaskMessage;
 use App\Service\AccommodationBookingService;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
@@ -29,7 +30,7 @@ class ConfirmControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('confirmBooking');
 
-        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createMock(LoggerInterface::class));
+        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($this->receivedBooking(), Request::create('/admin/accommodation-booking/1/confirm'));
 
@@ -51,7 +52,7 @@ class ConfirmControllerTest extends TestCase
             ->with(self::isInstanceOf(CreateClickUpBookingTaskMessage::class))
             ->willReturnCallback(static fn (object $message): Envelope => new Envelope($message));
 
-        $controller = new TestableConfirmController($bookingService, $messageBus, $this->createMock(LoggerInterface::class));
+        $controller = new TestableConfirmController($bookingService, $messageBus, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/confirm', 'POST'));
 
@@ -63,16 +64,14 @@ class ConfirmControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('confirmBooking');
 
-        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createMock(LoggerInterface::class), tokenValid: false);
+        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createStub(LoggerInterface::class), tokenValid: false);
 
         $this->expectException(AccessDeniedException::class);
 
         $controller->index($this->receivedBooking(), Request::create('/admin/accommodation-booking/1/confirm', 'POST'));
     }
 
-    /**
-     * @dataProvider nonReceivedStatuses
-     */
+    #[DataProvider('nonReceivedStatuses')]
     public function testABookingThatIsNotAwaitingValidationCannotBeConfirmed(AccommodationBookingStatus $status): void
     {
         $booking = $this->receivedBooking();
@@ -81,7 +80,7 @@ class ConfirmControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('confirmBooking');
 
-        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createMock(LoggerInterface::class));
+        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/confirm', 'POST'));
 
@@ -108,7 +107,7 @@ class ConfirmControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('confirmBooking');
 
-        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createMock(LoggerInterface::class));
+        $controller = new TestableConfirmController($bookingService, $this->neverDispatchingBus(), $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/confirm', 'POST'));
 

tests/Controller/Admin/AccommodationBooking/CreateControllerTest.php

@@ -34,14 +34,14 @@ class CreateControllerTest extends TestCase
 
     private function buildController(?UserInterface $user): TestableCreateController
     {
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('handleRequest')->willReturn($form);
         $form->method('isSubmitted')->willReturn(false);
 
         return new TestableCreateController(
-            $this->createMock(EntityManagerInterface::class),
-            $this->createMock(LoggerInterface::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(EntityManagerInterface::class),
+            $this->createStub(LoggerInterface::class),
+            $this->createStub(AccommodationBookingService::class),
             $form,
             $user,
         );

tests/Controller/Admin/AccommodationBooking/DeleteControllerTest.php

@@ -9,6 +9,7 @@ use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -53,9 +54,7 @@ class DeleteControllerTest extends TestCase
         self::assertSame('success', $controller->flashes[0]['type']);
     }
 
-    /**
-     * @dataProvider undeletableStatuses
-     */
+    #[DataProvider('undeletableStatuses')]
     public function testOnlyADraftCanBeDeleted(AccommodationBookingStatus $status): void
     {
         // Anything past Entwurf has been in contact with the customer and is closed by an
@@ -126,7 +125,7 @@ class DeleteControllerTest extends TestCase
     ): TestableBookingDeleteController {
         return new TestableBookingDeleteController(
             $entityManager,
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(LoggerInterface::class),
             $tokenValid,
         );
     }

tests/Controller/Admin/AccommodationBooking/DiscardControllerTest.php

@@ -8,6 +8,7 @@ use App\Controller\Admin\AccommodationBooking\DiscardController;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Service\AccommodationBookingService;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -25,7 +26,7 @@ class DiscardControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('discardBooking');
 
-        $controller = new TestableDiscardController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableDiscardController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($this->openBooking(), Request::create('/admin/accommodation-booking/1/discard'));
 
@@ -33,9 +34,7 @@ class DiscardControllerTest extends TestCase
         self::assertSame('admin/accommodation_booking/modal_discard.html.twig', $controller->renderedView);
     }
 
-    /**
-     * @dataProvider discardableStatuses
-     */
+    #[DataProvider('discardableStatuses')]
     public function testPostDiscardsTheBookingAndRedirectsTheBrowser(AccommodationBookingStatus $status): void
     {
         $booking = $this->openBooking();
@@ -44,7 +43,7 @@ class DiscardControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::once())->method('discardBooking')->with($booking);
 
-        $controller = new TestableDiscardController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableDiscardController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/discard', 'POST'));
 
@@ -62,9 +61,7 @@ class DiscardControllerTest extends TestCase
         yield 'received' => [AccommodationBookingStatus::Received];
     }
 
-    /**
-     * @dataProvider closedStatuses
-     */
+    #[DataProvider('closedStatuses')]
     public function testAClosedBookingCannotBeDiscarded(AccommodationBookingStatus $status): void
     {
         // A released confirmation is binding, and an Absage is already the end of the line.
@@ -74,7 +71,7 @@ class DiscardControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('discardBooking');
 
-        $controller = new TestableDiscardController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableDiscardController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/discard', 'POST'));
 
@@ -95,7 +92,7 @@ class DiscardControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('discardBooking');
 
-        $controller = new TestableDiscardController($bookingService, $this->createMock(LoggerInterface::class), tokenValid: false);
+        $controller = new TestableDiscardController($bookingService, $this->createStub(LoggerInterface::class), tokenValid: false);
 
         $this->expectException(AccessDeniedException::class);
 

tests/Controller/Admin/AccommodationBooking/EditControllerTest.php

@@ -13,6 +13,7 @@ use App\Repository\Groups\BoardServiceRepository;
 use App\Repository\UserRepository;
 use App\Service\AccommodationBookingService;
 use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\Form\FormInterface;
@@ -26,9 +27,7 @@ use Symfony\Component\HttpFoundation\Response;
  */
 class EditControllerTest extends TestCase
 {
-    /**
-     * @dataProvider everyStatus
-     */
+    #[DataProvider('everyStatus')]
     public function testSavingNeverNotifiesTheCustomer(AccommodationBookingStatus $status): void
     {
         // Sending used to be a side effect of saving a status change, which is how an inquiry
@@ -59,7 +58,7 @@ class EditControllerTest extends TestCase
 
     private function submitEdit(AccommodationBooking $booking, AccommodationBookingService $bookingService): void
     {
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('handleRequest')->willReturn($form);
         $form->method('isSubmitted')->willReturn(true);
         $form->method('isValid')->willReturn(true);
@@ -70,10 +69,10 @@ class EditControllerTest extends TestCase
 
         $controller = new TestableEditController(
             $entityManager,
-            $this->createMock(LoggerInterface::class),
-            $this->createMock(BoardServiceRepository::class),
-            $this->createMock(AdditionalServiceRepository::class),
-            $this->createMock(UserRepository::class),
+            $this->createStub(LoggerInterface::class),
+            $this->createStub(BoardServiceRepository::class),
+            $this->createStub(AdditionalServiceRepository::class),
+            $this->createStub(UserRepository::class),
             $bookingService,
             $form,
         );
@@ -97,7 +96,7 @@ class EditControllerTest extends TestCase
     public function testAdminGetsTheGroupsStaffAsBetreuerChoices(): void
     {
         $staff = [new User('[email protected]')];
-        $userRepo = $this->createMock(UserRepository::class);
+        $userRepo = $this->createStub(UserRepository::class);
         $userRepo->method('findGroupsStaff')->willReturn($staff);
 
         $controller = $this->buildController($userRepo, granted: true);
@@ -111,7 +110,7 @@ class EditControllerTest extends TestCase
         $formerManager = new User('[email protected]');
         $staff = [new User('[email protected]')];
 
-        $userRepo = $this->createMock(UserRepository::class);
+        $userRepo = $this->createStub(UserRepository::class);
         $userRepo->method('findGroupsStaff')->willReturn($staff);
 
         $booking = new AccommodationBooking();
@@ -127,17 +126,17 @@ class EditControllerTest extends TestCase
     {
         // An unsubmitted form: index() falls through to render() and only the options
         // handed to createForm() are of interest here.
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('handleRequest')->willReturn($form);
         $form->method('isSubmitted')->willReturn(false);
 
         return new TestableEditController(
-            $this->createMock(EntityManagerInterface::class),
-            $this->createMock(LoggerInterface::class),
-            $this->createMock(BoardServiceRepository::class),
-            $this->createMock(AdditionalServiceRepository::class),
+            $this->createStub(EntityManagerInterface::class),
+            $this->createStub(LoggerInterface::class),
+            $this->createStub(BoardServiceRepository::class),
+            $this->createStub(AdditionalServiceRepository::class),
             $userRepo,
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingService::class),
             $form,
             $granted,
         );

tests/Controller/Admin/AccommodationBooking/GenerateAccessLinkControllerTest.php

@@ -8,6 +8,7 @@ use App\Controller\Admin\AccommodationBooking\GenerateAccessLinkController;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Service\AccommodationBookingService;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -25,7 +26,7 @@ class GenerateAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('generateAccessLink');
 
-        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($this->requestedBooking(), Request::create('/admin/accommodation-booking/1/generate-access-link'));
 
@@ -33,9 +34,7 @@ class GenerateAccessLinkControllerTest extends TestCase
         self::assertSame('admin/accommodation_booking/modal_generate_access_link.html.twig', $controller->renderedView);
     }
 
-    /**
-     * @dataProvider statusesAwaitingAnOffer
-     */
+    #[DataProvider('statusesAwaitingAnOffer')]
     public function testPostGeneratesTheLinkAndRedirectsTheBrowser(AccommodationBookingStatus $status): void
     {
         $booking = $this->requestedBooking();
@@ -44,7 +43,7 @@ class GenerateAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::once())->method('generateAccessLink')->with($booking);
 
-        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/generate-access-link', 'POST'));
 
@@ -60,9 +59,7 @@ class GenerateAccessLinkControllerTest extends TestCase
         yield 'requested' => [AccommodationBookingStatus::Requested];
     }
 
-    /**
-     * @dataProvider statusesPastTheOffer
-     */
+    #[DataProvider('statusesPastTheOffer')]
     public function testABookingThatIsNotAwaitingAnOfferGetsNoLink(AccommodationBookingStatus $status): void
     {
         $booking = $this->requestedBooking();
@@ -71,7 +68,7 @@ class GenerateAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('generateAccessLink');
 
-        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/generate-access-link', 'POST'));
 
@@ -94,7 +91,7 @@ class GenerateAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('generateAccessLink');
 
-        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createMock(LoggerInterface::class), tokenValid: false);
+        $controller = new TestableGenerateAccessLinkController($bookingService, $this->createStub(LoggerInterface::class), tokenValid: false);
 
         $this->expectException(AccessDeniedException::class);
 

tests/Controller/Admin/AccommodationBooking/PdfControllerTest.php

@@ -8,6 +8,7 @@ use App\Controller\Admin\AccommodationBooking\PdfController;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Service\AccommodationBookingPdfGenerator;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -32,9 +33,7 @@ class PdfControllerTest extends TestCase
         self::assertSame(Response::HTTP_OK, $response->getStatusCode());
     }
 
-    /**
-     * @dataProvider nonConfirmedStatuses
-     */
+    #[DataProvider('nonConfirmedStatuses')]
     public function testABookingThatIsNotConfirmedCannotBeDownloaded(AccommodationBookingStatus $status): void
     {
         $generator = $this->createMock(AccommodationBookingPdfGenerator::class);
@@ -61,7 +60,7 @@ class PdfControllerTest extends TestCase
 
     public function testAFailingGeneratorRedirectsWithAFlash(): void
     {
-        $generator = $this->createMock(AccommodationBookingPdfGenerator::class);
+        $generator = $this->createStub(AccommodationBookingPdfGenerator::class);
         $generator->method('createDownloadResponse')->willThrowException(new \RuntimeException('keine Preise'));
 
         $controller = new TestablePdfController($generator);

tests/Controller/Admin/AccommodationBooking/SendAccessLinkControllerTest.php

@@ -8,6 +8,7 @@ use App\Controller\Admin\AccommodationBooking\SendAccessLinkController;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Service\AccommodationBookingService;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -25,7 +26,7 @@ class SendAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendAccessLink');
 
-        $controller = new TestableSendAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($this->openBooking(), Request::create('/admin/accommodation-booking/1/send-access-link'));
 
@@ -40,7 +41,7 @@ class SendAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::once())->method('sendAccessLink')->with($booking);
 
-        $controller = new TestableSendAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-access-link', 'POST'));
 
@@ -55,7 +56,7 @@ class SendAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendAccessLink');
 
-        $controller = new TestableSendAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-access-link', 'POST'));
 
@@ -65,9 +66,8 @@ class SendAccessLinkControllerTest extends TestCase
     /**
      * Drafts are held back even when a link is on the record — a booking pushed back into
      * Entwurf keeps its accessLinkIssuedAt, and it must not be handed out again.
-     *
-     * @dataProvider requestMethods
      */
+    #[DataProvider('requestMethods')]
     public function testADraftLinkIsNeverSentEvenIfOneWasIssuedEarlier(string $method): void
     {
         $booking = $this->openBooking();
@@ -76,7 +76,7 @@ class SendAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendAccessLink');
 
-        $controller = new TestableSendAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-access-link', $method));
 
@@ -98,7 +98,7 @@ class SendAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendAccessLink');
 
-        $controller = new TestableSendAccessLinkController($bookingService, $this->createMock(LoggerInterface::class), tokenValid: false);
+        $controller = new TestableSendAccessLinkController($bookingService, $this->createStub(LoggerInterface::class), tokenValid: false);
 
         $this->expectException(AccessDeniedException::class);
 
@@ -113,7 +113,7 @@ class SendAccessLinkControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendAccessLink');
 
-        $controller = new TestableSendAccessLinkController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendAccessLinkController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-access-link', 'POST'));
 

tests/Controller/Admin/AccommodationBooking/SendOfferControllerTest.php

@@ -8,6 +8,7 @@ use App\Controller\Admin\AccommodationBooking\SendOfferController;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Service\AccommodationBookingService;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -25,7 +26,7 @@ class SendOfferControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendOffer');
 
-        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendOfferController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($this->requestedBooking(), Request::create('/admin/accommodation-booking/1/send-offer'));
 
@@ -33,9 +34,7 @@ class SendOfferControllerTest extends TestCase
         self::assertSame('admin/accommodation_booking/modal_send_offer.html.twig', $controller->renderedView);
     }
 
-    /**
-     * @dataProvider statusesAwaitingAnOffer
-     */
+    #[DataProvider('statusesAwaitingAnOffer')]
     public function testPostSendsTheOfferAndRedirectsTheBrowser(AccommodationBookingStatus $status): void
     {
         $booking = $this->requestedBooking();
@@ -44,7 +43,7 @@ class SendOfferControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::once())->method('sendOffer')->with($booking);
 
-        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendOfferController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));
 
@@ -61,9 +60,7 @@ class SendOfferControllerTest extends TestCase
         yield 'requested' => [AccommodationBookingStatus::Requested];
     }
 
-    /**
-     * @dataProvider statusesPastTheOffer
-     */
+    #[DataProvider('statusesPastTheOffer')]
     public function testABookingThatIsNotAwaitingAnOfferGetsNone(AccommodationBookingStatus $status): void
     {
         $booking = $this->requestedBooking();
@@ -72,7 +69,7 @@ class SendOfferControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendOffer');
 
-        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendOfferController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));
 
@@ -95,7 +92,7 @@ class SendOfferControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendOffer');
 
-        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class), tokenValid: false);
+        $controller = new TestableSendOfferController($bookingService, $this->createStub(LoggerInterface::class), tokenValid: false);
 
         $this->expectException(AccessDeniedException::class);
 
@@ -113,7 +110,7 @@ class SendOfferControllerTest extends TestCase
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('sendOffer');
 
-        $controller = new TestableSendOfferController($bookingService, $this->createMock(LoggerInterface::class));
+        $controller = new TestableSendOfferController($bookingService, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($booking, Request::create('/admin/accommodation-booking/1/send-offer', 'POST'));
 

tests/Controller/Admin/User/ApproveRoleControllerTest.php

@@ -31,7 +31,7 @@ class ApproveRoleControllerTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::never())->method('flush');
 
-        $controller = new TestableApproveRoleController($entityManager, $this->createMock(LoggerInterface::class));
+        $controller = new TestableApproveRoleController($entityManager, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($user, Role::GROUPS_ADMIN, Request::create('/admin/user/1/approve/ROLE_GROUPS_ADMIN'));
 
@@ -47,7 +47,7 @@ class ApproveRoleControllerTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::once())->method('flush');
 
-        $controller = new TestableApproveRoleController($entityManager, $this->createMock(LoggerInterface::class));
+        $controller = new TestableApproveRoleController($entityManager, $this->createStub(LoggerInterface::class));
 
         $response = $controller->index($user, Role::GROUPS_ADMIN, Request::create('/admin/user/1/approve/ROLE_GROUPS_ADMIN', 'POST'));
 
@@ -61,7 +61,7 @@ class ApproveRoleControllerTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::never())->method('flush');
 
-        $controller = new TestableApproveRoleController($entityManager, $this->createMock(LoggerInterface::class));
+        $controller = new TestableApproveRoleController($entityManager, $this->createStub(LoggerInterface::class));
 
         $this->expectException(NotFoundHttpException::class);
 
@@ -76,7 +76,7 @@ class ApproveRoleControllerTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::never())->method('flush');
 
-        $controller = new TestableApproveRoleController($entityManager, $this->createMock(LoggerInterface::class), currentUser: $user);
+        $controller = new TestableApproveRoleController($entityManager, $this->createStub(LoggerInterface::class), currentUser: $user);
 
         $this->expectException(AccessDeniedException::class);
 
@@ -90,7 +90,7 @@ class ApproveRoleControllerTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::once())->method('flush');
 
-        $controller = new TestableApproveRoleController($entityManager, $this->createMock(LoggerInterface::class), currentUser: $user);
+        $controller = new TestableApproveRoleController($entityManager, $this->createStub(LoggerInterface::class), currentUser: $user);
 
         // Only ROLE_ADMIN needs a second pair of eyes — an approver already holds it, so the
         // rest grant less than they could grant themselves anyway.
@@ -104,7 +104,7 @@ class ApproveRoleControllerTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::never())->method('flush');
 
-        $controller = new TestableApproveRoleController($entityManager, $this->createMock(LoggerInterface::class), tokenValid: false);
+        $controller = new TestableApproveRoleController($entityManager, $this->createStub(LoggerInterface::class), tokenValid: false);
 
         $this->expectException(AccessDeniedException::class);
 
@@ -119,8 +119,8 @@ class ApproveRoleControllerTest extends TestCase
         $tokenStorage->setToken(new PostAuthenticationToken($user, 'main', $user->getRoles()));
 
         $controller = new TestableApproveRoleController(
-            $this->createMock(EntityManagerInterface::class),
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(EntityManagerInterface::class),
+            $this->createStub(LoggerInterface::class),
             currentUser: $user,
             tokenStorage: $tokenStorage,
         );
@@ -142,8 +142,8 @@ class ApproveRoleControllerTest extends TestCase
         $tokenStorage->setToken($originalToken = new PostAuthenticationToken($admin, 'main', $admin->getRoles()));
 
         $controller = new TestableApproveRoleController(
-            $this->createMock(EntityManagerInterface::class),
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(EntityManagerInterface::class),
+            $this->createStub(LoggerInterface::class),
             currentUser: $admin,
             tokenStorage: $tokenStorage,
         );

tests/Controller/Api/AccommodationBookingControllerTest.php

@@ -157,10 +157,10 @@ class AccommodationBookingControllerTest extends TestCase
             ->with(['uuid' => $booking->getUuid()])
             ->willReturn($booking);
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
-        $controller = new AccommodationBookingController($bookingRepository, $breakdownCalculator, $this->serializer(), $this->createMock(AccommodationBookingService::class));
+        $controller = new AccommodationBookingController($bookingRepository, $breakdownCalculator, $this->serializer(), $this->createStub(AccommodationBookingService::class));
 
         $response = $controller->single($booking->getUuid());
         $payload = json_decode((string) $response->getContent(), true, 512, JSON_THROW_ON_ERROR);
@@ -183,7 +183,7 @@ class AccommodationBookingControllerTest extends TestCase
         $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->expects(self::never())->method('compute');
 
-        $controller = new AccommodationBookingController($bookingRepository, $breakdownCalculator, $this->serializer(), $this->createMock(AccommodationBookingService::class));
+        $controller = new AccommodationBookingController($bookingRepository, $breakdownCalculator, $this->serializer(), $this->createStub(AccommodationBookingService::class));
 
         $response = $controller->single('unknown-uuid');
         $payload = json_decode((string) $response->getContent(), true, 512, JSON_THROW_ON_ERROR);
@@ -210,7 +210,7 @@ class AccommodationBookingControllerTest extends TestCase
             ->with(['uuid' => $booking->getUuid()])
             ->willReturn($booking);
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
         $bookingService = $this->createMock(AccommodationBookingService::class);
@@ -256,7 +256,7 @@ class AccommodationBookingControllerTest extends TestCase
             ->with(['uuid' => $booking->getUuid()])
             ->willReturn($booking);
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
         $bookingService = $this->createMock(AccommodationBookingService::class);

tests/Controller/Api/ContingentControllerTest.php

@@ -190,7 +190,7 @@ class ContingentControllerTest extends TestCase
      */
     private function callFullSpanCalendar(?array $bounds, array $prices, array $statuses = []): array
     {
-        $priceRepository = $this->createMock(AccommodationPriceRepository::class);
+        $priceRepository = $this->createStub(AccommodationPriceRepository::class);
         $priceRepository->method('findPricedDateBoundsByHotelCode')->willReturn($bounds);
         $priceRepository->method('findByHotelCodeAndDateRange')->willReturn($prices);
 
@@ -214,13 +214,13 @@ class ContingentControllerTest extends TestCase
         ?array $prices = null,
         ?AccommodationPriceRepository $priceRepository = null,
     ): Response {
-        $accommodationRepository = $this->createMock(AccommodationRepository::class);
+        $accommodationRepository = $this->createStub(AccommodationRepository::class);
         $accommodationRepository->method('findOneBy')->willReturn((new Accommodation())->setCalendarCode('HOTEL1')->setCurrency('EUR'));
 
-        $snapshotReader = $this->createMock(ContingentSnapshotReader::class);
+        $snapshotReader = $this->createStub(ContingentSnapshotReader::class);
         $snapshotReader->method('statusesFor')->willReturn($statuses);
 
-        $priceRepository ??= $this->createMock(AccommodationPriceRepository::class);
+        $priceRepository ??= $this->createStub(AccommodationPriceRepository::class);
 
         if (null !== $prices) {
             $priceRepository->method('findByHotelCodeAndDateRange')->willReturn($prices);
@@ -231,8 +231,8 @@ class ContingentControllerTest extends TestCase
             $priceRepository,
             $snapshotReader,
             new PriceTimelineBuilder(),
-            new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class)),
-            $this->createMock(LoggerInterface::class),
+            new AccommodationPriceCoverage($this->createStub(AccommodationPriceRepository::class)),
+            $this->createStub(LoggerInterface::class),
         );
 
         // No 'serializer' service registered, so AbstractController::json() falls back to
@@ -245,12 +245,12 @@ class ContingentControllerTest extends TestCase
     private function createController(): ContingentController
     {
         return new ContingentController(
-            $this->createMock(AccommodationRepository::class),
-            $this->createMock(AccommodationPriceRepository::class),
-            $this->createMock(ContingentSnapshotReader::class),
+            $this->createStub(AccommodationRepository::class),
+            $this->createStub(AccommodationPriceRepository::class),
+            $this->createStub(ContingentSnapshotReader::class),
             new PriceTimelineBuilder(),
-            new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class)),
-            $this->createMock(LoggerInterface::class),
+            new AccommodationPriceCoverage($this->createStub(AccommodationPriceRepository::class)),
+            $this->createStub(LoggerInterface::class),
         );
     }
 

tests/Controller/Booking/Edit/IndexControllerTest.php

@@ -24,6 +24,7 @@ use App\Service\BookingEditDraftManager;
 use App\Service\BookingEditPreFlightChecker;
 use App\Service\BookingEditSubmitter;
 use App\Service\BookingSessionManager;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\NullLogger;
 use Symfony\Component\Form\FormInterface;
@@ -62,7 +63,7 @@ class IndexControllerTest extends TestCase
         ];
         $bookingData = $this->createBooking();
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('isSubmitted')->willReturn(false);
 
         $fingerprintService = $this->createMock(BookingChangeTracker::class);
@@ -110,13 +111,13 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
+            $this->createStub(BookingEditDraftManager::class),
             $bookingSessionService,
             $fingerprintService,
             $bookingConfigurator,
             $contextFactory,
             $preflightChecker,
-            $this->createMock(BookingEditSubmitter::class),
+            $this->createStub(BookingEditSubmitter::class),
             $user,
             $form,
         );
@@ -147,7 +148,7 @@ class IndexControllerTest extends TestCase
         ];
         $bookingData = $this->createBooking();
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('isSubmitted')->willReturn(false);
 
         $fingerprintService = $this->createMock(BookingChangeTracker::class);
@@ -187,13 +188,13 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingEditDraftManager::class),
+            $this->createStub(BookingSessionManager::class),
             $fingerprintService,
-            $this->createMock(BookingConfigurator::class),
+            $this->createStub(BookingConfigurator::class),
             $contextFactory,
             $preflightChecker,
-            $this->createMock(BookingEditSubmitter::class),
+            $this->createStub(BookingEditSubmitter::class),
             $user,
             $form,
         );
@@ -275,10 +276,10 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingEditDraftManager::class),
+            $this->createStub(BookingSessionManager::class),
             $fingerprintService,
-            $this->createMock(BookingConfigurator::class),
+            $this->createStub(BookingConfigurator::class),
             $contextFactory,
             $preflightChecker,
             $submitter,
@@ -362,10 +363,10 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingEditDraftManager::class),
+            $this->createStub(BookingSessionManager::class),
             $fingerprintService,
-            $this->createMock(BookingConfigurator::class),
+            $this->createStub(BookingConfigurator::class),
             $contextFactory,
             $preflightChecker,
             $submitter,
@@ -390,7 +391,7 @@ class IndexControllerTest extends TestCase
         $bookingDto->participants = [$this->createParticipant()];
         $bookingData = $this->createBooking();
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('isSubmitted')->willReturn(false);
 
         $fingerprintService = $this->createMock(BookingChangeTracker::class);
@@ -433,13 +434,13 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingEditDraftManager::class),
+            $this->createStub(BookingSessionManager::class),
             $fingerprintService,
             $bookingConfigurator,
             $contextFactory,
             $this->createPreflightChecker($bookingDto),
-            $this->createMock(BookingEditSubmitter::class),
+            $this->createStub(BookingEditSubmitter::class),
             $user,
             $form,
         );
@@ -460,7 +461,7 @@ class IndexControllerTest extends TestCase
         $bookingDto->participants = [$this->createParticipant()];
         $bookingData = $this->createBooking();
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('isSubmitted')->willReturn(false);
 
         $fingerprintService = $this->createMock(BookingChangeTracker::class);
@@ -501,13 +502,13 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingEditDraftManager::class),
+            $this->createStub(BookingSessionManager::class),
             $fingerprintService,
             $bookingConfigurator,
             $contextFactory,
             $this->createPreflightChecker($bookingDto),
-            $this->createMock(BookingEditSubmitter::class),
+            $this->createStub(BookingEditSubmitter::class),
             $user,
             $form,
         );
@@ -543,13 +544,13 @@ class IndexControllerTest extends TestCase
             $dataLoader,
             $draftService,
             $bookingSessionService,
-            $this->createMock(BookingChangeTracker::class),
-            $this->createMock(BookingConfigurator::class),
-            $this->createMock(BookingEditContextFactory::class),
-            $this->createMock(BookingEditPreFlightChecker::class),
-            $this->createMock(BookingEditSubmitter::class),
+            $this->createStub(BookingChangeTracker::class),
+            $this->createStub(BookingConfigurator::class),
+            $this->createStub(BookingEditContextFactory::class),
+            $this->createStub(BookingEditPreFlightChecker::class),
+            $this->createStub(BookingEditSubmitter::class),
             $user,
-            $this->createMock(FormInterface::class),
+            $this->createStub(FormInterface::class),
         );
 
         $response = $controller->reloadFromApi(42, $request);
@@ -560,11 +561,11 @@ class IndexControllerTest extends TestCase
     }
 
     /**
-     * @dataProvider submissionResultProvider
-     *
      * @param array<int, array{0: string, 1: string}> $expectedFlashes
+     *
      * @phpstan-param array<int, array{0: string, 1: string}> $expectedFlashes
      */
+    #[DataProvider('submissionResultProvider')]
     public function testIndexAppliesErrorSubmissionResultFlashesAndRedirectsBackToEditPage(
         BookingEditSubmissionResult $submissionResult,
         array $expectedFlashes,
@@ -673,7 +674,7 @@ class IndexControllerTest extends TestCase
             bookingDto: $bookingDto,
             bookingData: $bookingData,
             mutableData: null,
-            summaryData: $this->createMock(BookingSummaryDto::class),
+            summaryData: $this->createStub(BookingSummaryDto::class),
             cardsData: [
                 0 => new ParticipantCardDataDto(
                     'One',
@@ -755,11 +756,11 @@ class IndexControllerTest extends TestCase
 
         $controller = new TestableIndexController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingEditDraftManager::class),
+            $this->createStub(BookingSessionManager::class),
             $fingerprintService,
-            $this->createMock(BookingConfigurator::class),
-            $this->createMock(BookingEditContextFactory::class),
+            $this->createStub(BookingConfigurator::class),
+            $this->createStub(BookingEditContextFactory::class),
             $preflightChecker,
             $submitter,
             $user,

tests/Controller/Booking/Edit/ParticipantControllerTest.php

@@ -86,9 +86,9 @@ class ParticipantControllerTest extends TestCase
             ->with($user, 42, $bookingDto);
 
         $prepopulationService = new ParticipantDataPrefiller(
-            $this->createMock(ApiClient::class),
-            $this->createMock(Crypt::class),
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(ApiClient::class),
+            $this->createStub(Crypt::class),
+            $this->createStub(LoggerInterface::class),
         );
 
         $participantFormSupportService = $this->createMock(ParticipantFormSupport::class);
@@ -115,7 +115,7 @@ class ParticipantControllerTest extends TestCase
                 ],
             ]);
 
-        $summaryData = $this->createMock(BookingSummaryDto::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
         $context = new BookingEditContext($bookingDto, $bookingData, null, $summaryData);
 
         $contextFactory = $this->createMock(BookingEditContextFactory::class);
@@ -131,7 +131,7 @@ class ParticipantControllerTest extends TestCase
             $dataLoader,
             $draftService,
             $contextFactory,
-            $this->createMock(BookingConfigurator::class),
+            $this->createStub(BookingConfigurator::class),
             $bookingSessionService,
             $prepopulationService,
             $participantFormSupportService,
@@ -217,7 +217,7 @@ class ParticipantControllerTest extends TestCase
             ->with($bookingDto)
             ->willReturn([]);
 
-        $summaryData = $this->createMock(BookingSummaryDto::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
         $context = new BookingEditContext($bookingDto, $bookingData, null, $summaryData);
 
         $contextFactory = $this->createMock(BookingEditContextFactory::class);
@@ -230,14 +230,14 @@ class ParticipantControllerTest extends TestCase
             ->willReturn($context);
 
         $prepopulationService = new ParticipantDataPrefiller(
-            $this->createMock(ApiClient::class),
-            $this->createMock(Crypt::class),
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(ApiClient::class),
+            $this->createStub(Crypt::class),
+            $this->createStub(LoggerInterface::class),
         );
 
         $controller = new TestableParticipantController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
+            $this->createStub(BookingEditDraftManager::class),
             $contextFactory,
             $bookingConfigurator,
             $bookingSessionService,
@@ -286,17 +286,17 @@ class ParticipantControllerTest extends TestCase
         $bookingDto->originalFingerprint = $changeTracker->generateFingerprint($bookingDto);
         $this->assertFalse($changeTracker->isDirty($bookingDto), 'Baseline must start clean');
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('handleRequest')->willReturnSelf();
         $form->method('createView')->willReturn(new FormView());
 
-        $dataLoader = $this->createMock(BookingEditDataLoader::class);
+        $dataLoader = $this->createStub(BookingEditDataLoader::class);
         $dataLoader->method('fetchBookingData')->willReturn($bookingData);
 
-        $bookingSessionService = $this->createMock(BookingSessionManager::class);
+        $bookingSessionService = $this->createStub(BookingSessionManager::class);
         $bookingSessionService->method('getBookingDto')->willReturn($bookingDto);
 
-        $participantFormSupportService = $this->createMock(ParticipantFormSupport::class);
+        $participantFormSupportService = $this->createStub(ParticipantFormSupport::class);
         $participantFormSupportService->method('ensureParticipantExists')->willReturn($participant);
         $participantFormSupportService->method('createParticipantEditDto')
             ->willReturn(new ParticipantEditDto($participant, $bookingDto));
@@ -306,21 +306,21 @@ class ParticipantControllerTest extends TestCase
         ]);
         $participantFormSupportService->method('collectAndClearNotifications')->willReturn([]);
 
-        $summaryData = $this->createMock(BookingSummaryDto::class);
-        $contextFactory = $this->createMock(BookingEditContextFactory::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
+        $contextFactory = $this->createStub(BookingEditContextFactory::class);
         $contextFactory->method('createParticipantContext')
             ->willReturn(new BookingEditContext($bookingDto, $bookingData, null, $summaryData));
 
         $controller = new TestableParticipantController(
             $dataLoader,
-            $this->createMock(BookingEditDraftManager::class),
+            $this->createStub(BookingEditDraftManager::class),
             $contextFactory,
-            $this->createMock(BookingConfigurator::class),
+            $this->createStub(BookingConfigurator::class),
             $bookingSessionService,
             new ParticipantDataPrefiller(
-                $this->createMock(ApiClient::class),
-                $this->createMock(Crypt::class),
-                $this->createMock(LoggerInterface::class),
+                $this->createStub(ApiClient::class),
+                $this->createStub(Crypt::class),
+                $this->createStub(LoggerInterface::class),
             ),
             $participantFormSupportService,
             $user,

tests/Controller/Groups/Booking/IndexControllerTest.php

@@ -53,8 +53,8 @@ class IndexControllerTest extends TestCase
     private function makeController(): TestableAccommodationIndexController
     {
         return new TestableAccommodationIndexController(
-            $this->createMock(AccommodationBookingService::class),
-            $this->createMock(AccommodationSessionManager::class),
+            $this->createStub(AccommodationBookingService::class),
+            $this->createStub(AccommodationSessionManager::class),
         );
     }
 }

tests/Controller/Groups/Booking/Step1CalendarDataTest.php

@@ -106,20 +106,20 @@ class Step1CalendarDataTest extends TestCase
         string $dateFrom,
         string $dateTo,
     ): array {
-        $snapshotReader = $this->createMock(ContingentSnapshotReader::class);
+        $snapshotReader = $this->createStub(ContingentSnapshotReader::class);
         $snapshotReader->method('statusesFor')->willReturn($statuses);
 
-        $priceRepository = $this->createMock(AccommodationPriceRepository::class);
+        $priceRepository = $this->createStub(AccommodationPriceRepository::class);
         $priceRepository->method('findByHotelCodeAndDateRange')->willReturn($prices);
 
         $controller = new Step1Controller(
-            $this->createMock(AccommodationBookingService::class),
-            $this->createMock(AccommodationSessionManager::class),
+            $this->createStub(AccommodationBookingService::class),
+            $this->createStub(AccommodationSessionManager::class),
             $priceRepository,
             new PriceTimelineBuilder(),
             $snapshotReader,
-            $this->createMock(CalendarGridBuilder::class),
-            $this->createMock(GroupsPriceCalculator::class),
+            $this->createStub(CalendarGridBuilder::class),
+            $this->createStub(GroupsPriceCalculator::class),
             new AccommodationPriceCoverage($priceRepository),
         );
 

tests/Controller/Groups/Booking/Step1ControllerTest.php

@@ -88,7 +88,7 @@ class Step1ControllerTest extends TestCase
         $sessionManager = new AccommodationSessionManager();
         $sessionManager->save($request, $dto);
 
-        $bookingService = $this->createMock(AccommodationBookingService::class);
+        $bookingService = $this->createStub(AccommodationBookingService::class);
         $bookingService
             ->method('applyDates')
             ->willThrowException(new \InvalidArgumentException('Ungültiges Datumsformat. Erwartet: YYYY-MM-DD.'));
@@ -105,14 +105,14 @@ class Step1ControllerTest extends TestCase
         AccommodationBookingService $bookingService,
         AccommodationSessionManager $sessionManager,
     ): TestableAccommodationStep1Controller {
-        $priceRepository = $this->createMock(AccommodationPriceRepository::class);
+        $priceRepository = $this->createStub(AccommodationPriceRepository::class);
 
         return new TestableAccommodationStep1Controller(
             $bookingService,
             $sessionManager,
             $priceRepository,
             new PriceTimelineBuilder(),
-            $this->createMock(ContingentSnapshotReader::class),
+            $this->createStub(ContingentSnapshotReader::class),
             new CalendarGridBuilder(),
             new GroupsPriceCalculator(new PriceTimelineBuilder(), ['runningCostsEur' => 0, 'runningCostsChf' => 0, 'undersubscription30Eur' => 0, 'undersubscription30Chf' => 0, 'undersubscription40Eur' => 0, 'undersubscription40Chf' => 0]),
             new AccommodationPriceCoverage($priceRepository),

tests/Controller/Groups/Booking/Step2ControllerTest.php

@@ -38,7 +38,7 @@ class Step2ControllerTest extends TestCase
         $sessionManager = new AccommodationSessionManager();
         $sessionManager->save($request, $dto);
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form
             ->method('handleRequest')
             ->willReturnCallback(function () use ($dto, $form): FormInterface {

tests/Controller/Groups/Booking/Step3ControllerTest.php

@@ -156,7 +156,7 @@ class Step3ControllerTest extends TestCase
 
     private function createFormMock(bool $submitted, bool $valid): FormInterface
     {
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('handleRequest')->willReturnSelf();
         $form->method('isSubmitted')->willReturn($submitted);
         $form->method('isValid')->willReturn($valid);

tests/Controller/Groups/Booking/Step4ControllerTest.php

@@ -50,7 +50,7 @@ class Step4ControllerTest extends TestCase
             'ungroupedAdditionalServices' => [],
         ]);
 
-        $controller = new TestableStep4Controller($bookingService, $sessionManager, $this->createMock(FormInterface::class));
+        $controller = new TestableStep4Controller($bookingService, $sessionManager, $this->createStub(FormInterface::class));
 
         $response = $controller->index($request);
 
@@ -73,9 +73,9 @@ class Step4ControllerTest extends TestCase
         $sessionManager->save($request, $dto);
 
         $controller = new TestableStep4Controller(
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingService::class),
             $sessionManager,
-            $this->createMock(FormInterface::class),
+            $this->createStub(FormInterface::class),
         );
 
         $response = $controller->index($request);
@@ -115,7 +115,7 @@ class Step4ControllerTest extends TestCase
         $bookingService->method('loadPrices')->willReturn([]);
         $bookingService->expects(self::once())->method('finalizeBooking')->willReturn($booking);
 
-        $inquiryForm = $this->createMock(FormInterface::class);
+        $inquiryForm = $this->createStub(FormInterface::class);
         $inquiryForm->method('handleRequest')->willReturnSelf();
         $inquiryForm->method('isSubmitted')->willReturn(true);
         $inquiryForm->method('isValid')->willReturn(true);
@@ -158,7 +158,7 @@ class Step4ControllerTest extends TestCase
         ]);
         $bookingService->expects(self::never())->method('finalizeBooking');
 
-        $inquiryForm = $this->createMock(FormInterface::class);
+        $inquiryForm = $this->createStub(FormInterface::class);
         $inquiryForm->method('handleRequest')->willReturnSelf();
         $inquiryForm->method('isSubmitted')->willReturn(true);
         $inquiryForm->method('isValid')->willReturn(false);
@@ -184,9 +184,9 @@ class Step4ControllerTest extends TestCase
         $sessionManager->save($request, $dto);
 
         $controller = new TestableStep4Controller(
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingService::class),
             $sessionManager,
-            $this->createMock(FormInterface::class),
+            $this->createStub(FormInterface::class),
         );
 
         $response = $controller->confirmInquiry($request);
@@ -209,9 +209,9 @@ class Step4ControllerTest extends TestCase
         $sessionManager->save($request, $dto);
 
         $controller = new TestableStep4Controller(
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingService::class),
             $sessionManager,
-            $this->createMock(FormInterface::class),
+            $this->createStub(FormInterface::class),
         );
 
         $response = $controller->confirmInquiry($request);
@@ -242,7 +242,7 @@ class Step4ControllerTest extends TestCase
         $bookingService->method('loadAccommodation')->with(1)->willReturn($accommodation);
         $bookingService->expects(self::never())->method('finalizeBooking');
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(false);
 
@@ -288,7 +288,7 @@ class Step4ControllerTest extends TestCase
         $bookingService->method('loadPrices')->willReturn([]);
         $bookingService->expects(self::once())->method('finalizeBooking')->willReturn($booking);
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(true);
         $confirmationForm->method('isValid')->willReturn(true);
@@ -324,7 +324,7 @@ class Step4ControllerTest extends TestCase
         $bookingService->method('loadAccommodation')->with(1)->willReturn($accommodation);
         $bookingService->expects(self::never())->method('finalizeBooking');
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(true);
         $confirmationForm->method('isValid')->willReturn(false);

tests/Controller/Groups/Offer/IndexControllerTest.php

@@ -14,6 +14,7 @@ use App\Service\AccommodationBookingBreakdownCalculator;
 use App\Service\AccommodationBookingLinkSigner;
 use App\Service\AccommodationBookingService;
 use App\Service\AccommodationTermsUrlProvider;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
@@ -39,8 +40,8 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->access($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid()));
@@ -53,7 +54,7 @@ class IndexControllerTest extends TestCase
     {
         $booking = new AccommodationBooking();
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
         $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
@@ -63,8 +64,8 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->access($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid()));
@@ -75,7 +76,7 @@ class IndexControllerTest extends TestCase
 
     public function testAccessRendersUnavailableForUnknownUuid(): void
     {
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn(null);
 
         $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
@@ -84,8 +85,8 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->access('unknown-uuid', Request::create('/groups/booking/offer/unknown-uuid'));
@@ -94,15 +95,13 @@ class IndexControllerTest extends TestCase
         self::assertSame('groups/offer/unavailable.html.twig', $controller->renderedView);
     }
 
-    /**
-     * @dataProvider statusesTheCustomerMustNotSee
-     */
+    #[DataProvider('statusesTheCustomerMustNotSee')]
     public function testAccessRendersUnavailableForABookingThatIsNotOfferedYet(AccommodationBookingStatus $status): void
     {
         $booking = new AccommodationBooking();
         $booking->setStatus($status);
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
         $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
@@ -112,8 +111,8 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->access($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid()));
@@ -137,19 +136,18 @@ class IndexControllerTest extends TestCase
     /**
      * The status is re-read on every view, so an authorized session is no free pass: a
      * booking pushed back into Entwurf stops showing the offer from that moment on.
-     *
-     * @dataProvider statusesTheCustomerMustNotSee
      */
+    #[DataProvider('statusesTheCustomerMustNotSee')]
     public function testViewRendersUnavailableForABookingTheCustomerMustNotSee(AccommodationBookingStatus $status): void
     {
         $booking = new AccommodationBooking();
         $booking->setStatus($status);
         $booking->setAccommodation(new Accommodation());
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
         $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
@@ -159,7 +157,7 @@ class IndexControllerTest extends TestCase
             $bookingRepository,
             $linkSigner,
             $breakdownCalculator,
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $request = Request::create('/groups/booking/offer/'.$booking->getUuid().'/view');
@@ -179,7 +177,7 @@ class IndexControllerTest extends TestCase
         $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->with(['uuid' => $booking->getUuid()])->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
         $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
@@ -207,17 +205,17 @@ class IndexControllerTest extends TestCase
     {
         $booking = new AccommodationBooking();
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(false);
 
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->view($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/view'));
@@ -235,18 +233,18 @@ class IndexControllerTest extends TestCase
         $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->with(['uuid' => $booking->getUuid()])->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(false);
 
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
             $confirmationForm,
         );
 
@@ -268,16 +266,16 @@ class IndexControllerTest extends TestCase
         $booking->setStatus(AccommodationBookingStatus::Open);
         $booking->setRemarks('Bitte Zimmer im EG');
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::once())->method('acceptBooking')->with($booking, 'Bitte Zimmer im EG');
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(true);
         $confirmationForm->method('isValid')->willReturn(true);
@@ -285,7 +283,7 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
             $bookingService,
             $confirmationForm,
         );
@@ -303,17 +301,17 @@ class IndexControllerTest extends TestCase
         $booking = new AccommodationBooking();
         $booking->setStatus(AccommodationBookingStatus::Open);
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
         $bookingService = $this->createMock(AccommodationBookingService::class);
         // No remark on the booking and none submitted: the empty string clears rather than keeps.
         $bookingService->expects(self::once())->method('acceptBooking')->with($booking, '');
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(true);
         $confirmationForm->method('isValid')->willReturn(true);
@@ -321,7 +319,7 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
             $bookingService,
             $confirmationForm,
         );
@@ -339,16 +337,16 @@ class IndexControllerTest extends TestCase
         $booking = new AccommodationBooking();
         $booking->setStatus(AccommodationBookingStatus::Open);
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
         $bookingService = $this->createMock(AccommodationBookingService::class);
         $bookingService->expects(self::never())->method('acceptBooking');
 
-        $confirmationForm = $this->createMock(FormInterface::class);
+        $confirmationForm = $this->createStub(FormInterface::class);
         $confirmationForm->method('handleRequest')->willReturnSelf();
         $confirmationForm->method('isSubmitted')->willReturn(true);
         $confirmationForm->method('isValid')->willReturn(false);
@@ -356,7 +354,7 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
             $bookingService,
             $confirmationForm,
         );
@@ -373,17 +371,17 @@ class IndexControllerTest extends TestCase
         $booking = new AccommodationBooking();
         $booking->setStatus(AccommodationBookingStatus::Received);
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(true);
 
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->confirm($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm'));
@@ -395,17 +393,17 @@ class IndexControllerTest extends TestCase
     {
         $booking = new AccommodationBooking();
 
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn($booking);
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('isSessionAuthorized')->willReturn(false);
 
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->confirm($booking->getUuid(), Request::create('/groups/booking/offer/'.$booking->getUuid().'/confirm'));
@@ -415,7 +413,7 @@ class IndexControllerTest extends TestCase
 
     public function testConfirmRedirectsForUnknownUuid(): void
     {
-        $bookingRepository = $this->createMock(AccommodationBookingRepository::class);
+        $bookingRepository = $this->createStub(AccommodationBookingRepository::class);
         $bookingRepository->method('findOneBy')->willReturn(null);
 
         $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
@@ -424,8 +422,8 @@ class IndexControllerTest extends TestCase
         $controller = new TestableOfferController(
             $bookingRepository,
             $linkSigner,
-            $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $this->createMock(AccommodationBookingService::class),
+            $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $this->createStub(AccommodationBookingService::class),
         );
 
         $response = $controller->confirm('unknown-uuid', Request::create('/groups/booking/offer/unknown-uuid/confirm'));

tests/Dashboard/DashboardWidgetRegistryTest.php

@@ -80,7 +80,7 @@ class DashboardWidgetRegistryTest extends TestCase
 
     private function provider(string $role, int $priority, ?DashboardWidget $widget): DashboardWidgetProviderInterface
     {
-        $provider = $this->createMock(DashboardWidgetProviderInterface::class);
+        $provider = $this->createStub(DashboardWidgetProviderInterface::class);
         $provider->method('getRequiredRole')->willReturn($role);
         $provider->method('getPriority')->willReturn($priority);
         $provider->method('build')->willReturn($widget);
@@ -93,7 +93,7 @@ class DashboardWidgetRegistryTest extends TestCase
      */
     private function securityGranting(array $grantedRoles): Security
     {
-        $security = $this->createMock(Security::class);
+        $security = $this->createStub(Security::class);
         $security->method('isGranted')->willReturnCallback(
             static fn (mixed $role): bool => \in_array($role, $grantedRoles, true),
         );

tests/Dashboard/PendingRoleApprovalsWidgetProviderTest.php

@@ -64,10 +64,10 @@ class PendingRoleApprovalsWidgetProviderTest extends TestCase
      */
     private function provider(array $pending): PendingRoleApprovalsWidgetProvider
     {
-        $repository = $this->createMock(UserRepository::class);
+        $repository = $this->createStub(UserRepository::class);
         $repository->method('findWithPendingRoles')->willReturn($pending);
 
-        $urlGenerator = $this->createMock(UrlGeneratorInterface::class);
+        $urlGenerator = $this->createStub(UrlGeneratorInterface::class);
         $urlGenerator->method('generate')->willReturnCallback(
             static function (string $route, array $parameters = []): string {
                 $path = '/'.str_replace('_', '/', substr($route, \strlen('app_')));

tests/Dashboard/RecentLogEntriesWidgetProviderTest.php

@@ -66,7 +66,7 @@ class RecentLogEntriesWidgetProviderTest extends TestCase
      */
     private function provider(array $entries): RecentLogEntriesWidgetProvider
     {
-        $repository = $this->createMock(LogEntryRepository::class);
+        $repository = $this->createStub(LogEntryRepository::class);
         $repository->method('findLatest')->willReturn($entries);
 
         return new RecentLogEntriesWidgetProvider($repository, $this->urlGenerator());
@@ -74,7 +74,7 @@ class RecentLogEntriesWidgetProviderTest extends TestCase
 
     private function urlGenerator(): UrlGeneratorInterface
     {
-        $urlGenerator = $this->createMock(UrlGeneratorInterface::class);
+        $urlGenerator = $this->createStub(UrlGeneratorInterface::class);
         $urlGenerator->method('generate')->willReturnCallback(
             static fn (string $route): string => '/'.str_replace('_', '/', substr($route, \strlen('app_'))),
         );

tests/Entity/Groups/AccommodationBookingTest.php

@@ -7,6 +7,7 @@ namespace App\Tests\Entity\Groups;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingOrigin;
 use App\Enum\Groups\AccommodationBookingStatus;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 class AccommodationBookingTest extends TestCase
@@ -14,9 +15,8 @@ class AccommodationBookingTest extends TestCase
     /**
      * The label is what the backoffice prints next to the status, so it must never
      * contradict it — "Angebot · Bestätigt" is the shape of mistake this replaces.
-     *
-     * @dataProvider statusesBeforeTheCustomerCommits
      */
+    #[DataProvider('statusesBeforeTheCustomerCommits')]
     public function testARecordIsCalledAnOfferUntilTheCustomerCommits(AccommodationBookingStatus $status): void
     {
         $booking = new AccommodationBooking();
@@ -36,9 +36,7 @@ class AccommodationBookingTest extends TestCase
         yield 'open' => [AccommodationBookingStatus::Open];
     }
 
-    /**
-     * @dataProvider statusesAfterTheCustomerCommits
-     */
+    #[DataProvider('statusesAfterTheCustomerCommits')]
     public function testARecordIsCalledABookingOnceTheCustomerHasCommitted(AccommodationBookingStatus $status): void
     {
         $booking = new AccommodationBooking();

tests/EventListener/AccessDeniedListenerTest.php

@@ -104,20 +104,20 @@ class AccessDeniedListenerTest extends TestCase
 
     private function dispatch(Request $request, ?UserInterface $user): ExceptionEvent
     {
-        $security = $this->createMock(Security::class);
+        $security = $this->createStub(Security::class);
         $security->method('getUser')->willReturn($user);
 
-        $resolver = $this->createMock(DefaultRouteResolver::class);
+        $resolver = $this->createStub(DefaultRouteResolver::class);
         $resolver->method('resolveUrl')->willReturn('/admin/dashboard');
 
         $listener = new AccessDeniedListener(
             $security,
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(LoggerInterface::class),
             $resolver,
         );
 
         $event = new ExceptionEvent(
-            $this->createMock(HttpKernelInterface::class),
+            $this->createStub(HttpKernelInterface::class),
             $request,
             HttpKernelInterface::MAIN_REQUEST,
             new AccessDeniedException(),

tests/EventListener/DomainThemeListenerTest.php

@@ -19,7 +19,7 @@ class DomainThemeListenerTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->kernel = $this->createMock(HttpKernelInterface::class);
+        $this->kernel = $this->createStub(HttpKernelInterface::class);
     }
 
     public function testSetsThemeAttributeForMatchingDomain(): void

tests/Form/Admin/Groups/AccommodationBookingChangeAccommodationTypeTest.php

@@ -52,7 +52,7 @@ class AccommodationBookingChangeAccommodationTypeTest extends TestCase
     {
         $fields = [];
 
-        $builder = $this->createMock(FormBuilderInterface::class);
+        $builder = $this->createStub(FormBuilderInterface::class);
         $builder->method('add')->willReturnCallback(
             static function (string $name, ?string $type = null, array $fieldOptions = []) use (&$fields, $builder) {
                 $fields[$name] = $fieldOptions;

tests/Form/Admin/Groups/AccommodationBookingCreateTypeTest.php

@@ -75,7 +75,7 @@ class AccommodationBookingCreateTypeTest extends TestCase
     {
         $names = [];
 
-        $builder = $this->createMock(FormBuilderInterface::class);
+        $builder = $this->createStub(FormBuilderInterface::class);
         $builder->method('add')->willReturnCallback(static function (string $name) use (&$names, $builder) {
             $names[] = $name;
 

tests/Form/Admin/Groups/AccommodationBookingTypeTest.php

@@ -7,6 +7,7 @@ namespace App\Tests\Form\Admin\Groups;
 use App\Entity\Groups\AccommodationBooking;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Form\Admin\Groups\AccommodationBookingType;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -17,17 +18,13 @@ use Symfony\Component\Validator\Validation;
 
 class AccommodationBookingTypeTest extends TestCase
 {
-    /**
-     * @dataProvider statusesWithoutMandatoryFields
-     */
+    #[DataProvider('statusesWithoutMandatoryFields')]
     public function testDraftAndDiscardedAreValidatedWithoutTheEditGroup(AccommodationBookingStatus $status): void
     {
         self::assertSame(['Default'], $this->resolveValidationGroups($status));
     }
 
-    /**
-     * @dataProvider customerFacingStatuses
-     */
+    #[DataProvider('customerFacingStatuses')]
     public function testCustomerFacingStatusesAddTheEditGroup(AccommodationBookingStatus $status): void
     {
         self::assertSame(['Default', 'edit'], $this->resolveValidationGroups($status));
@@ -52,9 +49,7 @@ class AccommodationBookingTypeTest extends TestCase
         yield 'confirmed' => [AccommodationBookingStatus::Confirmed];
     }
 
-    /**
-     * @dataProvider statusesWithoutMandatoryFields
-     */
+    #[DataProvider('statusesWithoutMandatoryFields')]
     public function testEmptyContactDataPassesValidation(AccommodationBookingStatus $status): void
     {
         $booking = new AccommodationBooking();
@@ -89,7 +84,7 @@ class AccommodationBookingTypeTest extends TestCase
         $booking = new AccommodationBooking();
         $booking->setStatus($status);
 
-        $form = $this->createMock(FormInterface::class);
+        $form = $this->createStub(FormInterface::class);
         $form->method('getData')->willReturn($booking);
 
         return ($resolver->resolve()['validation_groups'])($form);

tests/Form/Model/ParticipantEditDtoTest.php

@@ -5,13 +5,13 @@ declare(strict_types=1);
 namespace App\Tests\Form\Model;
 
 use App\BusProNet\Constants;
-use App\BusProNet\Model\Booking;
 use App\BusProNet\Model\Address;
-use App\Form\Model\AddressDto;
-use App\BusProNet\Model\Service;
+use App\BusProNet\Model\Booking;
 use App\BusProNet\Model\Insurance;
+use App\BusProNet\Model\Service;
 use App\BusProNet\Model\Travel;
 use App\BusProNet\XmlLoader\AgencyLoader;
+use App\Form\Model\AddressDto;
 use App\Form\Model\BookingDto;
 use App\Form\Model\ParticipantDto;
 use App\Form\Model\ParticipantEditDto;
@@ -47,10 +47,10 @@ class ParticipantEditDtoTest extends TestCase
     protected function setUp(): void
     {
         // Create mock services for validator dependencies
-        $mockVoucherService = $this->createMock(VoucherValidator::class);
-        $mockPriceCalculatorService = $this->createMock(BookingPriceCalculator::class);
-        $mockParticipantEligibilityChecker = $this->createMock(ParticipantEligibilityChecker::class);
-        $mockServiceAgeEvaluator = $this->createMock(ServiceAgeEvaluator::class);
+        $mockVoucherService = $this->createStub(VoucherValidator::class);
+        $mockPriceCalculatorService = $this->createStub(BookingPriceCalculator::class);
+        $mockParticipantEligibilityChecker = $this->createStub(ParticipantEligibilityChecker::class);
+        $mockServiceAgeEvaluator = $this->createStub(ServiceAgeEvaluator::class);
 
         // Ski pass validation is exercised against the real gate, not a mock: which participant
         // needs a pass is exactly the behaviour under test here.

tests/Form/PersonalDataTypeTest.php

@@ -91,7 +91,7 @@ class PersonalDataTypeTest extends TestCase
      */
     private function createForm(PersonalData $personalData, array $options = []): FormInterface
     {
-        $countries = $this->createMock(CountryDataProvider::class);
+        $countries = $this->createStub(CountryDataProvider::class);
         $countries->method('getAll')->willReturn([]);
 
         return Forms::createFormFactoryBuilder()

tests/Form/Service/ParticipantFieldOptionsProviderBabyTest.php

@@ -8,8 +8,9 @@ use App\BusProNet\Constants;
 use App\BusProNet\Model\Booking;
 use App\BusProNet\Model\Service;
 use App\BusProNet\Model\Travel;
-use App\BusProNet\XmlParser\TravelParser;
 use App\BusProNet\Utility\DirectionMapper;
+use App\BusProNet\XmlCrawlerFactory;
+use App\BusProNet\XmlParser\TravelParser;
 use App\Form\Model\BookingDto;
 use App\Form\Model\ParticipantDto;
 use App\Form\Service\ParticipantFieldOptionsProvider;
@@ -18,7 +19,6 @@ use App\Service\InsuranceManager;
 use App\Service\ServiceAvailabilityCalculator;
 use App\Service\ServiceLabelFormatter;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DomCrawler\Crawler;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 class ParticipantFieldOptionsProviderBabyTest extends TestCase
@@ -28,17 +28,17 @@ class ParticipantFieldOptionsProviderBabyTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+        $this->serviceAvailabilityCalculator = $this->createStub(ServiceAvailabilityCalculator::class);
         // These tests target age filtering, so availability filtering passes everything through
         // unless a test stubs it explicitly
         $this->serviceAvailabilityCalculator
             ->method('filterAvailableServices')
             ->willReturnArgument(0)
         ;
-        $insuranceService = $this->createMock(InsuranceManager::class);
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $serviceLabelFormatter = new ServiceLabelFormatter();
-        $translator = $this->createMock(TranslatorInterface::class);
+        $translator = $this->createStub(TranslatorInterface::class);
         $translator->method('trans')->willReturnCallback(
             function (string $message, array $parameters = []): string {
                 return match ($message) {
@@ -488,7 +488,7 @@ class ParticipantFieldOptionsProviderBabyTest extends TestCase
     private function createTravelWithExportedSkiPasses(array $serviceIds): Travel
     {
         $parser = new TravelParser();
-        $crawler = new Crawler(file_get_contents('/var/www/html/var/xmlexport/Ziel_2456.xml'));
+        $crawler = XmlCrawlerFactory::create(file_get_contents('/var/www/html/var/xmlexport/Ziel_2456.xml'));
         $travelNode = $crawler->filterXPath('//reise/termin')->first();
         $travel = $parser->parse($travelNode);
 

tests/Form/Service/ParticipantFieldOptionsProviderInsuranceTest.php

@@ -29,13 +29,13 @@ class ParticipantFieldOptionsProviderInsuranceTest extends TestCase
 
     protected function setUp(): void
     {
-        $serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+        $serviceAvailabilityCalculator = $this->createStub(ServiceAvailabilityCalculator::class);
         // InsuranceManager is stateless - use the real implementation so actual
         // eligibility/price-tier filtering runs, not a stubbed-out mock.
         $insuranceService = new InsuranceManager();
-        $this->priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $this->priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $serviceLabelFormatter = new ServiceLabelFormatter();
-        $translator = $this->createMock(TranslatorInterface::class);
+        $translator = $this->createStub(TranslatorInterface::class);
         $translator->method('trans')->willReturnCallback(fn (string $message) => $message);
 
         $this->provider = new ParticipantFieldOptionsProvider(

tests/Form/Service/ParticipantFieldOptionsProviderMandatoryServiceTest.php

@@ -28,11 +28,11 @@ class ParticipantFieldOptionsProviderMandatoryServiceTest extends TestCase
 
     protected function setUp(): void
     {
-        $serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
-        $insuranceService = $this->createMock(InsuranceManager::class);
-        $priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $serviceAvailabilityCalculator = $this->createStub(ServiceAvailabilityCalculator::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
+        $priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
         $serviceLabelFormatter = new ServiceLabelFormatter();
-        $translator = $this->createMock(TranslatorInterface::class);
+        $translator = $this->createStub(TranslatorInterface::class);
 
         $this->provider = new ParticipantFieldOptionsProvider(
             $serviceAvailabilityCalculator,
@@ -159,10 +159,10 @@ class ParticipantFieldOptionsProviderMandatoryServiceTest extends TestCase
 
         $provider = new ParticipantFieldOptionsProvider(
             $serviceAvailabilityCalculator,
-            $this->createMock(InsuranceManager::class),
-            $this->createMock(BookingPriceCalculator::class),
+            $this->createStub(InsuranceManager::class),
+            $this->createStub(BookingPriceCalculator::class),
             new ServiceLabelFormatter(),
-            $this->createMock(TranslatorInterface::class)
+            $this->createStub(TranslatorInterface::class)
         );
 
         $options = $provider->getFieldOptions('parking', $bookingDto, 0);

tests/Form/Service/ParticipantFieldOptionsProviderSkiPassAvailabilityTest.php

@@ -30,13 +30,13 @@ class ParticipantFieldOptionsProviderSkiPassAvailabilityTest extends TestCase
 
     protected function setUp(): void
     {
-        $translator = $this->createMock(TranslatorInterface::class);
+        $translator = $this->createStub(TranslatorInterface::class);
         $translator->method('trans')->willReturnArgument(0);
 
         $this->provider = new ParticipantFieldOptionsProvider(
             new ServiceAvailabilityCalculator(),
-            $this->createMock(InsuranceManager::class),
-            $this->createMock(BookingPriceCalculator::class),
+            $this->createStub(InsuranceManager::class),
+            $this->createStub(BookingPriceCalculator::class),
             new ServiceLabelFormatter(),
             $translator
         );

tests/Form/Service/ParticipantInsuranceFieldHandlerTest.php

@@ -12,32 +12,46 @@ use App\Form\Service\ParticipantInsuranceFieldHandler;
 use App\Service\BookingPriceCalculator;
 use App\Service\FamilyInsuranceAvailabilityChecker;
 use App\Service\InsuranceManager;
+use PHPUnit\Framework\MockObject\Stub;
 use PHPUnit\Framework\TestCase;
 
 class ParticipantInsuranceFieldHandlerTest extends TestCase
 {
-    private ParticipantInsuranceFieldHandler $handler;
+    private ?ParticipantInsuranceFieldHandler $handler = null;
     private InsuranceManager $insuranceService;
     private BookingPriceCalculator $priceCalculatorService;
 
     protected function setUp(): void
     {
-        $this->insuranceService = $this->createMock(InsuranceManager::class);
-        $this->priceCalculatorService = $this->createMock(BookingPriceCalculator::class);
+        $this->useInsuranceService($this->createStub(InsuranceManager::class));
 
-        // Mock getSelectableInsurances to return input array
-        $this->insuranceService->method('getSelectableInsurances')
-            ->willReturnCallback(fn (Travel $travel) => $travel->insurances ?? []);
+        $this->priceCalculatorService = $this->createStub(BookingPriceCalculator::class);
 
-        // Mock price calculator to return a default price
+        // Price calculator returns a default price
         $this->priceCalculatorService->method('calculateIndividualParticipantPriceExcludingInsurance')
             ->willReturn(500.0);
         $this->priceCalculatorService->method('resolveInsuranceTravelPrice')
             ->willReturn(500.0);
+    }
 
-        // Real checker over the mocked collaborators - the selection-time recording below is
+    /**
+     * Installs the insurance service every test runs against, applying the
+     * getSelectableInsurances() pass-through they all rely on. Tests that set
+     * expectations pass a mock in here instead of the setUp() stub.
+     */
+    private function useInsuranceService(InsuranceManager&Stub $insuranceService): void
+    {
+        $insuranceService->method('getSelectableInsurances')
+            ->willReturnCallback(fn (Travel $travel) => $travel->insurances ?? []);
+
+        $this->insuranceService = $insuranceService;
+    }
+
+    private function handler(): ParticipantInsuranceFieldHandler
+    {
+        // Real checker over the doubled collaborators - the selection-time recording below is
         // only meaningful against the actual "is a family insurance available" definition
-        $this->handler = new ParticipantInsuranceFieldHandler(
+        return $this->handler ??= new ParticipantInsuranceFieldHandler(
             $this->insuranceService,
             $this->priceCalculatorService,
             new FamilyInsuranceAvailabilityChecker($this->insuranceService, $this->priceCalculatorService),
@@ -46,12 +60,12 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
 
     public function testGetFieldName(): void
     {
-        $this->assertEquals('insurance', $this->handler->getFieldName());
+        $this->assertEquals('insurance', $this->handler()->getFieldName());
     }
 
     public function testGetDependencies(): void
     {
-        $dependencies = $this->handler->getDependencies();
+        $dependencies = $this->handler()->getDependencies();
 
         // Insurance handler depends on all price-affecting fields to ensure accurate reassignment
         $expectedDependencies = [
@@ -72,14 +86,14 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
 
     public function testShouldProcessReturnsTrueInCreateMode(): void
     {
-        $result = $this->handler->shouldProcess([], BookingDto::MODE_CREATE, 0);
+        $result = $this->handler()->shouldProcess([], BookingDto::MODE_CREATE, 0);
 
         $this->assertTrue($result);
     }
 
     public function testShouldProcessReturnsFalseInEditMode(): void
     {
-        $result = $this->handler->shouldProcess([], BookingDto::MODE_EDIT, 0);
+        $result = $this->handler()->shouldProcess([], BookingDto::MODE_EDIT, 0);
 
         $this->assertFalse($result, 'Insurance handler should not process in edit mode as API does not return insurance data');
     }
@@ -89,7 +103,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto = $this->createMockBookingDto();
         $bookingDto->method('getParticipant')->with(0)->willReturn(null);
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0);
 
         // No assertions needed - just ensure no exceptions are thrown
         $this->addToAssertionCount(1);
@@ -107,7 +121,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto->method('getParticipant')->with(0)->willReturn($participant);
         $bookingDto->travel = $travel;
 
-        $this->handler->processField(['insurance' => null], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => null], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
@@ -124,7 +138,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto->method('getParticipant')->with(0)->willReturn($participant);
         $bookingDto->travel = $travel;
 
-        $this->handler->processField(['insurance' => ''], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => ''], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
@@ -141,7 +155,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto->method('getParticipant')->with(0)->willReturn($participant);
         $bookingDto->travel = $travel;
 
-        $this->handler->processField([], $bookingDto, 0);
+        $this->handler()->processField([], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
@@ -156,13 +170,15 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto->method('getParticipant')->with(0)->willReturn($participant);
         $bookingDto->travel = $travel;
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
 
     public function testProcessFieldSetsInsuranceWhenEligible(): void
     {
+        $this->useInsuranceService($this->createMock(InsuranceManager::class));
+
         $insurance = $this->createInsurance('123');
         $participant = new ParticipantDto();
         $travel = new Travel();
@@ -178,13 +194,15 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
             ->with([$insurance], $participant, $bookingDto, 500.0)
             ->willReturn([$insurance]);
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0);
 
         $this->assertSame($insurance, $participant->insurance);
     }
 
     public function testProcessFieldClearsInsuranceWhenNotEligible(): void
     {
+        $this->useInsuranceService($this->createMock(InsuranceManager::class));
+
         $insurance = $this->createInsurance('123');
         $participant = new ParticipantDto();
         $travel = new Travel();
@@ -200,13 +218,15 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
             ->with([$insurance], $participant, $bookingDto, 500.0)
             ->willReturn([]); // Not eligible
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
 
     public function testProcessFieldSwitchingToNewInsuranceIsNotOverwrittenByStaleResubmissionCheck(): void
     {
+        $this->useInsuranceService($this->createMock(InsuranceManager::class));
+
         // Regression: switching from one already-selected insurance to a different one must
         // not be re-validated (and potentially overwritten) against the OLD, now-stale
         // insurance by the "form resubmission" block afterward.
@@ -230,13 +250,15 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
             ->method('getEligibleInsurances')
             ->willReturn([$newInsurance]);
 
-        $this->handler->processField(['insurance' => '2'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '2'], $bookingDto, 0);
 
         $this->assertSame($newInsurance, $participant->insurance);
     }
 
     public function testProcessFieldWorksWithStringAndIntegerIds(): void
     {
+        $this->useInsuranceService($this->createMock(InsuranceManager::class));
+
         $insurance = $this->createInsurance(123); // Integer ID
         $participant = new ParticipantDto();
         $travel = new Travel();
@@ -251,7 +273,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
             ->method('getEligibleInsurances')
             ->willReturn([$insurance]);
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0); // String selection
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0); // String selection
 
         $this->assertSame($insurance, $participant->insurance);
     }
@@ -266,7 +288,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto->method('getParticipant')->with(0)->willReturn($participant);
         $bookingDto->travel = $travel;
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
@@ -281,7 +303,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
         $bookingDto->method('getParticipant')->with(0)->willReturn($participant);
         $bookingDto->travel = $travel;
 
-        $this->handler->processField(['insurance' => '123'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '123'], $bookingDto, 0);
 
         $this->assertNull($participant->insurance);
     }
@@ -306,7 +328,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
 
         $this->insuranceService->method('getEligibleInsurances')->willReturn([$nonFamilyInsurance]);
 
-        $this->handler->processField(['insurance' => '1'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '1'], $bookingDto, 0);
 
         $this->assertTrue(
             $bookingDto->applicantInsuranceChosenWhileFamilyIneligible,
@@ -346,7 +368,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
             fn (array $insurances) => $insurances
         );
 
-        $this->handler->processField(['insurance' => '1'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '1'], $bookingDto, 0);
 
         $this->assertFalse(
             $bookingDto->applicantInsuranceChosenWhileFamilyIneligible,
@@ -389,7 +411,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
             fn (array $insurances) => array_values(array_filter($insurances, fn ($i) => false === $i->familyInsurance))
         );
 
-        $this->handler->processField(['insurance' => '1'], $bookingDto, 0);
+        $this->handler()->processField(['insurance' => '1'], $bookingDto, 0);
 
         $this->assertTrue(
             $bookingDto->applicantInsuranceChosenWhileFamilyIneligible,
@@ -399,9 +421,9 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
 
     public function testGetFieldStateModificationsReturnsEmptyArray(): void
     {
-        $bookingDto = $this->createMockBookingDto();
+        $bookingDto = $this->createStub(BookingDto::class);
 
-        $result = $this->handler->getFieldStateModifications([], $bookingDto, 0);
+        $result = $this->handler()->getFieldStateModifications([], $bookingDto, 0);
 
         $this->assertIsArray($result);
         $this->assertEmpty($result);
@@ -409,7 +431,7 @@ class ParticipantInsuranceFieldHandlerTest extends TestCase
 
     public function testGetAffectedFieldNamesReturnsEmptyArray(): void
     {
-        $result = $this->handler->getAffectedFieldNames();
+        $result = $this->handler()->getAffectedFieldNames();
 
         $this->assertIsArray($result);
         $this->assertEmpty($result);

tests/Form/Service/ParticipantParkingFieldHandlerTest.php

@@ -4,14 +4,15 @@ declare(strict_types=1);
 
 namespace App\Tests\Form\Service;
 
+use App\BusProNet\Constants;
 use App\BusProNet\Model\Service;
 use App\BusProNet\Model\Travel;
 use App\BusProNet\Utility\DirectionMapper;
-use App\BusProNet\Constants;
 use App\Form\Model\BookingDto;
 use App\Form\Model\ParticipantDto;
 use App\Form\Service\ParticipantParkingFieldHandler;
 use App\Service\ServiceAvailabilityCalculator;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 class ParticipantParkingFieldHandlerTest extends TestCase
@@ -39,17 +40,13 @@ class ParticipantParkingFieldHandlerTest extends TestCase
         $this->assertTrue($this->handler->shouldProcess(['some' => 'data'], BookingDto::MODE_EDIT, 5));
     }
 
-    /**
-     * @dataProvider normalizeCheckboxValueCheckedProvider
-     */
+    #[DataProvider('normalizeCheckboxValueCheckedProvider')]
     public function testNormalizeCheckboxValueReturnsTrueWhenChecked(mixed $value): void
     {
         $this->assertTrue($this->invokeNormalizeCheckboxValue($value));
     }
 
-    /**
-     * @dataProvider normalizeCheckboxValueUncheckedProvider
-     */
+    #[DataProvider('normalizeCheckboxValueUncheckedProvider')]
     public function testNormalizeCheckboxValueReturnsFalseWhenUnchecked(mixed $value): void
     {
         $this->assertFalse($this->invokeNormalizeCheckboxValue($value));

tests/Form/Service/ParticipantTransportationDiscountReplacementFieldHandlerTest.php

@@ -15,31 +15,35 @@ use PHPUnit\Framework\TestCase;
 
 class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestCase
 {
-    private ParticipantTransportationDiscountReplacementFieldHandler $handler;
+    private ?ParticipantTransportationDiscountReplacementFieldHandler $handler = null;
     private ServiceAvailabilityCalculator $serviceAvailabilityCalculator;
 
     protected function setUp(): void
     {
-        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
-        $this->handler = new ParticipantTransportationDiscountReplacementFieldHandler(
+        $this->serviceAvailabilityCalculator = $this->createStub(ServiceAvailabilityCalculator::class);
+    }
+
+    private function handler(): ParticipantTransportationDiscountReplacementFieldHandler
+    {
+        return $this->handler ??= new ParticipantTransportationDiscountReplacementFieldHandler(
             $this->serviceAvailabilityCalculator
         );
     }
 
     public function testGetFieldName(): void
     {
-        $this->assertSame('transportationDiscountReplacement', $this->handler->getFieldName());
+        $this->assertSame('transportationDiscountReplacement', $this->handler()->getFieldName());
     }
 
     public function testGetDependencies(): void
     {
-        $this->assertSame(['transportationOutbound', 'transportationInbound'], $this->handler->getDependencies());
+        $this->assertSame(['transportationOutbound', 'transportationInbound'], $this->handler()->getDependencies());
     }
 
     public function testShouldProcessAlwaysReturnsTrue(): void
     {
-        $this->assertTrue($this->handler->shouldProcess([], BookingDto::MODE_CREATE, 0));
-        $this->assertTrue($this->handler->shouldProcess(['some' => 'data'], BookingDto::MODE_EDIT, 5));
+        $this->assertTrue($this->handler()->shouldProcess([], BookingDto::MODE_CREATE, 0));
+        $this->assertTrue($this->handler()->shouldProcess(['some' => 'data'], BookingDto::MODE_EDIT, 5));
     }
 
     public function testProcessFieldReplacesDiscountedWithRegularWhenInboundIsBus(): void
@@ -62,7 +66,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound was replaced with regular PKW
         $this->assertSame($regularPkw->id, $participant->transportationOutbound->id);
@@ -79,6 +83,8 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
 
     public function testProcessFieldRestoresDiscountedPkwWhenInboundChangesToPkw(): void
     {
+        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+
         // Setup services
         $discountedPkw = $this->createPkwService(100, 'Selbstorganisiert (-15€ Rabatt)', -15.0);
         $regularPkw = $this->createPkwService(101, 'Selbstorganisiert', 0.0);
@@ -104,7 +110,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound was replaced with discounted PKW
         $this->assertSame($discountedPkw->id, $participant->transportationOutbound->id);
@@ -120,6 +126,8 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
 
     public function testProcessFieldDoesNotRestoreDiscountWhenUnavailable(): void
     {
+        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+
         // Setup services
         $discountedPkw = $this->createPkwService(100, 'Selbstorganisiert (-15€ Rabatt)', -15.0);
         $regularPkw = $this->createPkwService(101, 'Selbstorganisiert', 0.0);
@@ -145,7 +153,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound remains regular PKW
         $this->assertSame($regularPkw, $participant->transportationOutbound);
@@ -174,7 +182,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound remains BUS (no replacement)
         $this->assertSame($busOutbound, $participant->transportationOutbound);
@@ -203,7 +211,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound remains regular PKW (already correct)
         $this->assertSame($regularPkw, $participant->transportationOutbound);
@@ -232,7 +240,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound remains discounted PKW (already optimal)
         $this->assertSame($discountedPkw, $participant->transportationOutbound);
@@ -256,7 +264,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process - should handle gracefully
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert no error and no notification
         $this->assertNull($participant->transportationOutbound);
@@ -265,6 +273,8 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
 
     public function testProcessFieldHandlesNullInbound(): void
     {
+        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+
         // Setup services
         $discountedPkw = $this->createPkwService(100, 'Selbstorganisiert (-15€ Rabatt)', -15.0);
         $regularPkw = $this->createPkwService(101, 'Selbstorganisiert', 0.0);
@@ -289,7 +299,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process - null inbound is treated as non-BUS, should attempt restoration
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound was replaced with discounted PKW
         $this->assertSame($discountedPkw->id, $participant->transportationOutbound->id);
@@ -306,7 +316,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process - should handle gracefully
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Should not throw error
         $this->expectNotToPerformAssertions();
@@ -314,6 +324,8 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
 
     public function testProcessFieldSkipsDiscountRestorationForBabyParticipant(): void
     {
+        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+
         // Setup services
         $discountedPkw = $this->createPkwService(100, 'Selbstorganisiert (-15€ Rabatt)', -15.0);
         $regularPkw = $this->createPkwService(101, 'Selbstorganisiert', 0.0);
@@ -339,7 +351,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound remains regular PKW (no discount restoration for babies)
         $this->assertSame($regularPkw->id, $participant->transportationOutbound->id);
@@ -350,6 +362,8 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
 
     public function testProcessFieldSkipsDiscountRestorationForTwoYearOldParticipant(): void
     {
+        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+
         // Setup services
         $discountedPkw = $this->createPkwService(100, 'Selbstorganisiert (-15€ Rabatt)', -15.0);
         $regularPkw = $this->createPkwService(101, 'Selbstorganisiert', 0.0);
@@ -375,7 +389,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound remains regular PKW
         $this->assertSame($regularPkw->id, $participant->transportationOutbound->id);
@@ -386,6 +400,8 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
 
     public function testProcessFieldRestoresDiscountForThreeYearOldParticipant(): void
     {
+        $this->serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
+
         // Setup services
         $discountedPkw = $this->createPkwService(100, 'Selbstorganisiert (-15€ Rabatt)', -15.0);
         $regularPkw = $this->createPkwService(101, 'Selbstorganisiert', 0.0);
@@ -414,7 +430,7 @@ class ParticipantTransportationDiscountReplacementFieldHandlerTest extends TestC
         $submittedData = [];
 
         // Process
-        $this->handler->processField($submittedData, $bookingDto, 0);
+        $this->handler()->processField($submittedData, $bookingDto, 0);
 
         // Assert outbound was replaced with discounted PKW (3-year-old is eligible)
         $this->assertSame($discountedPkw->id, $participant->transportationOutbound->id);

tests/Form/Service/ParticipantVegFieldHandlerTest.php

@@ -204,7 +204,7 @@ class ParticipantVegFieldHandlerTest extends TestCase
 
     private function createMockBookingDto(?Travel $travel = null): BookingDto
     {
-        $bookingDto = $this->createMock(BookingDto::class);
+        $bookingDto = $this->createStub(BookingDto::class);
 
         if (null !== $travel) {
             $bookingDto->travel = $travel;

tests/Logger/DatabaseHandlerTest.php

@@ -111,7 +111,7 @@ class DatabaseHandlerTest extends TestCase
      */
     private function connection(?string &$table, ?array &$data, ?array &$types): Connection
     {
-        $connection = $this->createMock(Connection::class);
+        $connection = $this->createStub(Connection::class);
         $connection
             ->method('insert')
             ->willReturnCallback(

tests/MessageHandler/CreateClickUpBookingTaskHandlerTest.php

@@ -11,6 +11,7 @@ use App\Entity\Groups\AccommodationBooking;
 use App\Message\CreateClickUpBookingTaskMessage;
 use App\MessageHandler\CreateClickUpBookingTaskHandler;
 use App\Repository\Groups\AccommodationBookingRepository;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\NullLogger;
 
@@ -48,7 +49,7 @@ class CreateClickUpBookingTaskHandlerTest extends TestCase
 
     public function testAVanishedBookingIsSkipped(): void
     {
-        $repository = $this->createMock(AccommodationBookingRepository::class);
+        $repository = $this->createStub(AccommodationBookingRepository::class);
         $repository->method('find')->willReturn(null);
 
         $client = $this->createMock(ApiClient::class);
@@ -58,15 +59,13 @@ class CreateClickUpBookingTaskHandlerTest extends TestCase
         $this->handler($repository, $client)(new CreateClickUpBookingTaskMessage(42));
     }
 
-    /**
-     * @dataProvider incompleteBookings
-     */
+    #[DataProvider('incompleteBookings')]
     public function testABookingWithoutTheDataForATaskNameIsSkipped(callable $mutate): void
     {
         $booking = $this->booking();
         $mutate($booking);
 
-        $repository = $this->createMock(AccommodationBookingRepository::class);
+        $repository = $this->createStub(AccommodationBookingRepository::class);
         $repository->method('find')->willReturn($booking);
 
         $client = $this->createMock(ApiClient::class);
@@ -94,10 +93,10 @@ class CreateClickUpBookingTaskHandlerTest extends TestCase
 
     public function testAFailingStatusUpdateDoesNotRetryTheTaskCreation(): void
     {
-        $repository = $this->createMock(AccommodationBookingRepository::class);
+        $repository = $this->createStub(AccommodationBookingRepository::class);
         $repository->method('find')->willReturn($this->booking());
 
-        $client = $this->createMock(ApiClient::class);
+        $client = $this->createStub(ApiClient::class);
         $client->method('isConfigured')->willReturn(true);
         $client->method('createTaskFromTemplate')->willReturn('abc123');
         $client->method('updateTaskStatus')->willThrowException(new ClickUpException('boom'));

tests/MessageHandler/MailjetNewsletterEventHandlerTest.php

@@ -81,7 +81,7 @@ class MailjetNewsletterEventHandlerTest extends TestCase
         $consent = new NewsletterConsent('[email protected]', 123);
         $consent->markRevoked(new \DateTimeImmutable('2026-04-29T11:00:00+00:00'));
 
-        $repository = $this->createMock(NewsletterConsentRepository::class);
+        $repository = $this->createStub(NewsletterConsentRepository::class);
         $repository->method('findOneByEmailAndListId')->willReturn($consent);
 
         $entityManager = $this->createMock(EntityManagerInterface::class);
@@ -103,7 +103,7 @@ class MailjetNewsletterEventHandlerTest extends TestCase
         $consent = new NewsletterConsent('[email protected]', 123);
         $consent->markConfirmed(new \DateTimeImmutable('2026-04-29T11:00:00+00:00'));
 
-        $repository = $this->createMock(NewsletterConsentRepository::class);
+        $repository = $this->createStub(NewsletterConsentRepository::class);
         $repository->method('findOneByEmailAndListId')->willReturn($consent);
 
         $entityManager = $this->createMock(EntityManagerInterface::class);
@@ -126,7 +126,7 @@ class MailjetNewsletterEventHandlerTest extends TestCase
         $consent = new NewsletterConsent('[email protected]', 123);
         $consent->markRevoked(new \DateTimeImmutable('2026-04-29T11:00:00+00:00'));
 
-        $repository = $this->createMock(NewsletterConsentRepository::class);
+        $repository = $this->createStub(NewsletterConsentRepository::class);
         $repository->method('findOneByEmailAndListId')->willReturn($consent);
 
         $entityManager = $this->createMock(EntityManagerInterface::class);

tests/Model/ContingentQueryTest.php

@@ -6,6 +6,7 @@ namespace App\Tests\Model;
 
 use App\Model\ContingentCalendarQuery;
 use App\Model\ContingentPricesQuery;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Validator\Validation;
 
@@ -30,15 +31,13 @@ class ContingentQueryTest extends TestCase
         self::assertNull($query->dateToDate());
     }
 
-    /**
-     * @dataProvider invalidCalendarQueries
-     */
+    #[DataProvider('invalidCalendarQueries')]
     public function testCalendarQueryRejectsInvalidInput(ContingentCalendarQuery $query): void
     {
         self::assertGreaterThan(0, $this->validator()->validate($query)->count());
     }
 
-    public function invalidCalendarQueries(): iterable
+    public static function invalidCalendarQueries(): iterable
     {
         yield 'normalized invalid date' => [new ContingentCalendarQuery('HOTEL', '2026-02-31', '2026-03-01')];
         yield 'reversed range' => [new ContingentCalendarQuery('HOTEL', '2026-03-02', '2026-03-01')];

tests/Model/NewsletterSubscriptionRequestTest.php

@@ -4,13 +4,14 @@ declare(strict_types=1);
 
 namespace App\Tests\Model;
 
-use PHPUnit\Framework\TestCase;
 use App\Model\NewsletterSubscriptionRequest;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Validator\Constraint;
-use Symfony\Component\Validator\ConstraintValidatorFactory;
-use Symfony\Component\Validator\ConstraintValidatorInterface;
 use Symfony\Component\Validator\Constraints\Email;
 use Symfony\Component\Validator\Constraints\EmailValidator;
+use Symfony\Component\Validator\ConstraintValidatorFactory;
+use Symfony\Component\Validator\ConstraintValidatorInterface;
 use Symfony\Component\Validator\Validation;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
@@ -43,10 +44,9 @@ class NewsletterSubscriptionRequestTest extends TestCase
     }
 
     /**
-     * @dataProvider invalidRequests
-     *
      * @param list<mixed> $listIds
      */
+    #[DataProvider('invalidRequests')]
     public function testInvalidRequestFailsValidation(?string $email, array $listIds): void
     {
         $request = new NewsletterSubscriptionRequest();
@@ -61,7 +61,7 @@ class NewsletterSubscriptionRequestTest extends TestCase
     /**
      * @return iterable<string, array{0: ?string, 1: list<mixed>}>
      */
-    public function invalidRequests(): iterable
+    public static function invalidRequests(): iterable
     {
         yield 'invalid email' => ['not-an-email', [10321569]];
         yield 'empty list ids' => ['[email protected]', []];

tests/Repository/Filter/AppliesListFiltersTraitTest.php

@@ -8,6 +8,7 @@ use App\Repository\Filter\AppliesListFiltersTrait;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\Query\Expr;
 use Doctrine\ORM\QueryBuilder;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 class AppliesListFiltersTraitTest extends TestCase
@@ -25,9 +26,7 @@ class AppliesListFiltersTraitTest extends TestCase
         self::assertSame('%bonn%', $qb->getParameter('searchTerm1')?->getValue());
     }
 
-    /**
-     * @dataProvider emptyTerms
-     */
+    #[DataProvider('emptyTerms')]
     public function testAnEmptyTermNarrowsNothing(?string $term): void
     {
         $qb = $this->queryBuilder();
@@ -119,7 +118,7 @@ class AppliesListFiltersTraitTest extends TestCase
 
     private function queryBuilder(): QueryBuilder
     {
-        $em = $this->createMock(EntityManagerInterface::class);
+        $em = $this->createStub(EntityManagerInterface::class);
         $em->method('getExpressionBuilder')->willReturn(new Expr());
 
         return (new QueryBuilder($em))->select('b')->from('Booking', 'b');

tests/Security/BpnAuthenticatorTest.php

@@ -206,14 +206,14 @@ class BpnAuthenticatorTest extends TestCase
         $personalData->personId = 42;
         $personalData->addressId = 4711;
 
-        $apiClient = $this->createMock(ApiClient::class);
+        $apiClient = $this->createStub(ApiClient::class);
         $apiClient->method('getPersonalData')->willReturn($personalData);
         $apiClient->method('getCrmAttributes')->willReturn($crmAttributes);
 
-        $repository = $this->createMock(EntityRepository::class);
+        $repository = $this->createStub(EntityRepository::class);
         $repository->method('findOneBy')->willReturn($existing);
 
-        $entityManager = $this->createMock(EntityManagerInterface::class);
+        $entityManager = $this->createStub(EntityManagerInterface::class);
         $entityManager->method('getRepository')->willReturn($repository);
         $entityManager
             ->method('persist')
@@ -225,19 +225,19 @@ class BpnAuthenticatorTest extends TestCase
             })
         ;
 
-        $crypt = $this->createMock(Crypt::class);
+        $crypt = $this->createStub(Crypt::class);
         $crypt->method('encrypt')->willReturn('encrypted');
 
-        $completenessChecker = $this->createMock(ProfileCompletenessChecker::class);
+        $completenessChecker = $this->createStub(ProfileCompletenessChecker::class);
         $completenessChecker->method('isComplete')->willReturn(true);
 
         return new BpnAuthenticator(
-            $this->createMock(UrlGeneratorInterface::class),
+            $this->createStub(UrlGeneratorInterface::class),
             $apiClient,
             $entityManager,
             $crypt,
             $completenessChecker,
-            $this->createMock(LoggerInterface::class),
+            $this->createStub(LoggerInterface::class),
         );
     }
 

tests/Security/DefaultRouteResolverTest.php

@@ -36,7 +36,7 @@ class DefaultRouteResolverTest extends TestCase
             ->willReturn($hasAdministrativeAccess)
         ;
 
-        $urlGenerator = $this->createMock(UrlGeneratorInterface::class);
+        $urlGenerator = $this->createStub(UrlGeneratorInterface::class);
         $urlGenerator
             ->method('generate')
             ->willReturnCallback(static fn (string $route): string => match ($route) {

tests/Service/AccommodationBookingBreakdownCalculatorTest.php

@@ -141,7 +141,7 @@ class AccommodationBookingBreakdownCalculatorTest extends TestCase
                 'undersubscription40Eur' => 0,
                 'undersubscription40Chf' => 0,
             ]),
-            $priceRepository ?? $this->createMock(AccommodationPriceRepository::class),
+            $priceRepository ?? $this->createStub(AccommodationPriceRepository::class),
         );
     }
 }

tests/Service/AccommodationBookingLinkSignerTest.php

@@ -178,7 +178,7 @@ class AccommodationBookingLinkSignerTest extends TestCase
 
     private function createSigner(): AccommodationBookingLinkSigner
     {
-        $urlGenerator = $this->createMock(UrlGeneratorInterface::class);
+        $urlGenerator = $this->createStub(UrlGeneratorInterface::class);
         $urlGenerator
             ->method('generate')
             ->willReturnCallback(static fn (string $name, array $parameters) => sprintf(

tests/Service/AccommodationBookingPdfGeneratorTest.php

@@ -64,7 +64,7 @@ class AccommodationBookingPdfGeneratorTest extends TestCase
         $twig = new Environment(new FilesystemLoader(__DIR__.'/../../templates'));
         $twig->addExtension(new IntlExtension());
 
-        $calculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $calculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $calculator->method('compute')->willReturn($breakdown);
 
         return new AccommodationBookingPdfGenerator($twig, $calculator, \dirname(__DIR__, 2));

tests/Service/AccommodationBookingServiceTest.php

@@ -25,6 +25,7 @@ use App\Service\AccommodationBookingService;
 use App\Service\CmsDataProvider;
 use App\Service\PriceTimelineBuilder;
 use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 
@@ -153,10 +154,10 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setStatus(AccommodationBookingStatus::Open);
         $booking->setAccessLinkIssuedAt(new \DateTimeImmutable());
 
-        $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
+        $linkSigner = $this->createStub(AccommodationBookingLinkSigner::class);
         $linkSigner->method('sign')->willReturn('https://example.com/offer/signed-link');
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
         $mailer = $this->createMock(Mailer::class);
@@ -183,7 +184,7 @@ class AccommodationBookingServiceTest extends TestCase
         $linkSigner = $this->createMock(AccommodationBookingLinkSigner::class);
         $linkSigner->method('sign')->with($booking)->willReturn('https://example.com/offer/signed-link');
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(['total' => 1000, 'currency' => 'EUR']);
 
         $mailer = $this->createMock(Mailer::class);
@@ -208,7 +209,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setStatus(AccommodationBookingStatus::Open);
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
         $mailer = $this->createMock(Mailer::class);
@@ -231,10 +232,10 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setStatus(AccommodationBookingStatus::Open);
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
-        $mailer = $this->createMock(Mailer::class);
+        $mailer = $this->createStub(Mailer::class);
         $mailer->method('createAndSendEmail')->willThrowException(new \RuntimeException('SMTP down'));
 
         $logger = $this->createMock(LoggerInterface::class);
@@ -258,7 +259,7 @@ class AccommodationBookingServiceTest extends TestCase
         $entityManager = $this->createMock(EntityManagerInterface::class);
         $entityManager->expects(self::once())->method('flush');
 
-        $breakdownCalculator = $this->createMock(AccommodationBookingBreakdownCalculator::class);
+        $breakdownCalculator = $this->createStub(AccommodationBookingBreakdownCalculator::class);
         $breakdownCalculator->method('compute')->willReturn(null);
 
         $mailer = $this->createMock(Mailer::class);
@@ -416,9 +417,7 @@ class AccommodationBookingServiceTest extends TestCase
         self::assertSame($issuedAt, $booking->getAccessLinkIssuedAt());
     }
 
-    /**
-     * @dataProvider statusesThatAreNotAwaitingAnOffer
-     */
+    #[DataProvider('statusesThatAreNotAwaitingAnOffer')]
     public function testSendOfferNoOpsOnceTheOfferIsOut(AccommodationBookingStatus $status): void
     {
         $entityManager = $this->createMock(EntityManagerInterface::class);
@@ -495,9 +494,7 @@ class AccommodationBookingServiceTest extends TestCase
         self::assertSame($issuedAt, $booking->getAccessLinkIssuedAt());
     }
 
-    /**
-     * @dataProvider statusesThatAreNotAwaitingAnOffer
-     */
+    #[DataProvider('statusesThatAreNotAwaitingAnOffer')]
     public function testGenerateAccessLinkNoOpsOnceTheOfferIsOut(AccommodationBookingStatus $status): void
     {
         $entityManager = $this->createMock(EntityManagerInterface::class);
@@ -533,9 +530,7 @@ class AccommodationBookingServiceTest extends TestCase
         self::assertSame(AccommodationBookingStatus::Discarded, $booking->getStatus());
     }
 
-    /**
-     * @dataProvider closedStatuses
-     */
+    #[DataProvider('closedStatuses')]
     public function testDiscardBookingNoOpsForAClosedBooking(AccommodationBookingStatus $status): void
     {
         $entityManager = $this->createMock(EntityManagerInterface::class);
@@ -643,7 +638,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setRemarks('vom Telefonat');
 
-        $service = $this->createServiceWithAccommodation(mailer: $this->createMock(Mailer::class));
+        $service = $this->createServiceWithAccommodation(mailer: $this->createStub(Mailer::class));
 
         $service->acceptBooking($booking, "  Bitte Zimmer im EG\nund Frühstück um 8  \n");
 
@@ -657,7 +652,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setRemarks('vom Telefonat');
 
-        $service = $this->createServiceWithAccommodation(mailer: $this->createMock(Mailer::class));
+        $service = $this->createServiceWithAccommodation(mailer: $this->createStub(Mailer::class));
 
         $service->acceptBooking($booking, '   ');
 
@@ -671,7 +666,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setRemarks('vom Telefonat');
 
-        $service = $this->createServiceWithAccommodation(mailer: $this->createMock(Mailer::class));
+        $service = $this->createServiceWithAccommodation(mailer: $this->createStub(Mailer::class));
 
         $service->acceptBooking($booking);
 
@@ -684,7 +679,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setStatus(AccommodationBookingStatus::Received);
         $booking->setRemarks('vom Telefonat');
 
-        $service = $this->createServiceWithAccommodation(mailer: $this->createMock(Mailer::class));
+        $service = $this->createServiceWithAccommodation(mailer: $this->createStub(Mailer::class));
 
         $service->acceptBooking($booking, 'zu spät');
 
@@ -693,7 +688,7 @@ class AccommodationBookingServiceTest extends TestCase
 
     public function testConfirmBookingConfirmsReceivedBookingAndNotifiesTheCustomer(): void
     {
-        $entityManager = $this->createMock(EntityManagerInterface::class);
+        $entityManager = $this->createStub(EntityManagerInterface::class);
 
         $booking = new AccommodationBooking();
         $booking->setStatus(AccommodationBookingStatus::Received);
@@ -835,7 +830,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking = new AccommodationBooking();
         $booking->setStatus(AccommodationBookingStatus::Received);
 
-        $mailer = $this->createMock(Mailer::class);
+        $mailer = $this->createStub(Mailer::class);
         $mailer->method('createAndSendEmail')->willThrowException(new \RuntimeException('SMTP down'));
 
         $logger = $this->createMock(LoggerInterface::class);
@@ -852,7 +847,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setStatus(AccommodationBookingStatus::Confirmed);
 
-        $mailer = $this->createMock(Mailer::class);
+        $mailer = $this->createStub(Mailer::class);
         $mailer->method('createAndSendEmail')->willThrowException(new \RuntimeException('SMTP down'));
 
         $logger = $this->createMock(LoggerInterface::class);
@@ -894,7 +889,7 @@ class AccommodationBookingServiceTest extends TestCase
         $booking->setEmail('[email protected]');
         $booking->setStatus(AccommodationBookingStatus::Confirmed);
 
-        $pdfGenerator = $this->createMock(AccommodationBookingPdfGenerator::class);
+        $pdfGenerator = $this->createStub(AccommodationBookingPdfGenerator::class);
         $pdfGenerator->method('createAttachment')->willThrowException(new \RuntimeException('no prices'));
 
         $mailer = $this->createMock(Mailer::class);
@@ -1038,7 +1033,7 @@ class AccommodationBookingServiceTest extends TestCase
             ->with(['calendarCode' => 'HOTEL'])
             ->willReturn($accommodation);
 
-        $priceRepo = $this->createMock(AccommodationPriceRepository::class);
+        $priceRepo = $this->createStub(AccommodationPriceRepository::class);
         $priceRepo
             ->method('findByHotelCodeAndDateRange')
             ->willReturn($prices);
@@ -1046,16 +1041,16 @@ class AccommodationBookingServiceTest extends TestCase
         return new AccommodationBookingService(
             $accommodationRepo,
             $priceRepo,
-            $this->createMock(AdditionalServiceRepository::class),
-            $this->createMock(BoardServiceRepository::class),
+            $this->createStub(AdditionalServiceRepository::class),
+            $this->createStub(BoardServiceRepository::class),
             new PriceTimelineBuilder(),
-            $entityManager ?? $this->createMock(EntityManagerInterface::class),
-            $mailer ?? $this->createMock(Mailer::class),
-            $logger ?? $this->createMock(LoggerInterface::class),
-            $this->createMock(CmsDataProvider::class),
-            $linkSigner ?? $this->createMock(AccommodationBookingLinkSigner::class),
-            $breakdownCalculator ?? $this->createMock(AccommodationBookingBreakdownCalculator::class),
-            $pdfGenerator ?? $this->createMock(AccommodationBookingPdfGenerator::class),
+            $entityManager ?? $this->createStub(EntityManagerInterface::class),
+            $mailer ?? $this->createStub(Mailer::class),
+            $logger ?? $this->createStub(LoggerInterface::class),
+            $this->createStub(CmsDataProvider::class),
+            $linkSigner ?? $this->createStub(AccommodationBookingLinkSigner::class),
+            $breakdownCalculator ?? $this->createStub(AccommodationBookingBreakdownCalculator::class),
+            $pdfGenerator ?? $this->createStub(AccommodationBookingPdfGenerator::class),
             '[email protected]',
         );
     }

tests/Service/AccommodationPriceCoverageTest.php

@@ -13,7 +13,7 @@ class AccommodationPriceCoverageTest extends TestCase
 {
     public function testCoversOnlyDaysWithinPricePeriod(): void
     {
-        $coverage = new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class));
+        $coverage = new AccommodationPriceCoverage($this->createStub(AccommodationPriceRepository::class));
 
         $covered = $coverage->coveredDatesFor(
             [$this->price('2026-06-01', '2026-06-09')],
@@ -30,7 +30,7 @@ class AccommodationPriceCoverageTest extends TestCase
 
     public function testGapBetweenPricePeriodsStaysUncovered(): void
     {
-        $coverage = new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class));
+        $coverage = new AccommodationPriceCoverage($this->createStub(AccommodationPriceRepository::class));
 
         $covered = $coverage->coveredDatesFor(
             [$this->price('2026-06-01', '2026-06-02'), $this->price('2026-06-05', '2026-06-06')],
@@ -46,7 +46,7 @@ class AccommodationPriceCoverageTest extends TestCase
 
     public function testNoPricesMeansNoCoverage(): void
     {
-        $coverage = new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class));
+        $coverage = new AccommodationPriceCoverage($this->createStub(AccommodationPriceRepository::class));
 
         $covered = $coverage->coveredDatesFor(
             [],

tests/Service/ApplicantInsuranceCascadeTest.php

@@ -137,7 +137,7 @@ class ApplicantInsuranceCascadeTest extends TestCase
 
         $cascade = new ApplicantInsuranceCascade(
             $insuranceService,
-            $this->createMock(BookingPriceCalculator::class)
+            $this->createStub(BookingPriceCalculator::class)
         );
 
         $cascade->apply($bookingDto);
@@ -201,11 +201,11 @@ class ApplicantInsuranceCascadeTest extends TestCase
      */
     private function createCascade(array $assignments, array $selectable): ApplicantInsuranceCascade
     {
-        $insuranceService = $this->createMock(InsuranceManager::class);
+        $insuranceService = $this->createStub(InsuranceManager::class);
         $insuranceService->method('getSelectableInsurances')->willReturn($selectable);
         $insuranceService->method('batchAssignInsuranceToParticipants')->willReturn($assignments);
 
-        $priceCalculator = $this->createMock(BookingPriceCalculator::class);
+        $priceCalculator = $this->createStub(BookingPriceCalculator::class);
         $priceCalculator->method('calculateIndividualParticipantPriceExcludingInsurance')->willReturn(0.0);
 
         return new ApplicantInsuranceCascade($insuranceService, $priceCalculator);

tests/Service/BookingConfiguratorBabyTest.php

@@ -19,23 +19,25 @@ use PHPUnit\Framework\TestCase;
 
 class BookingConfiguratorBabyTest extends TestCase
 {
-    private BookingConfigurator $bookingService;
+    private ?BookingConfigurator $bookingService = null;
     private ParticipantEligibilityChecker $participantEligibilityService;
 
     protected function setUp(): void
     {
-        $travelDataService = $this->createMock(TravelDataProvider::class);
-        $this->participantEligibilityService = $this->createMock(ParticipantEligibilityChecker::class);
-        $bookingStatusRuleRegistry = $this->createMock(BookingStatusRuleRegistry::class);
-        $bookingStatusRuleRegistry->method('evaluateStatus')->willReturn('F');
-        $agencyLoader = $this->createMock(AgencyLoader::class);
+        $this->participantEligibilityService = $this->createStub(ParticipantEligibilityChecker::class);
+    }
 
-        $this->bookingService = new BookingConfigurator(
-            $this->createMock(BookingSessionManager::class),
-            $travelDataService,
+    private function bookingService(): BookingConfigurator
+    {
+        $bookingStatusRuleRegistry = $this->createStub(BookingStatusRuleRegistry::class);
+        $bookingStatusRuleRegistry->method('evaluateStatus')->willReturn('F');
+
+        return $this->bookingService ??= new BookingConfigurator(
+            $this->createStub(BookingSessionManager::class),
+            $this->createStub(TravelDataProvider::class),
             $this->participantEligibilityService,
             $bookingStatusRuleRegistry,
-            $agencyLoader,
+            $this->createStub(AgencyLoader::class),
             'F' // default booking status
         );
     }
@@ -52,7 +54,7 @@ class BookingConfiguratorBabyTest extends TestCase
         $participant->additionalServices = [];
         $bookingDto->participants[0] = $participant;
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertEmpty($participant->additionalServices, 'Mandatory services should not be preselected for baby participants');
     }
@@ -69,7 +71,7 @@ class BookingConfiguratorBabyTest extends TestCase
         $participant->additionalServices = [];
         $bookingDto->participants[0] = $participant;
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertEmpty($participant->additionalServices, 'Mandatory services should not be preselected for participants at BABY_MAX_AGE');
     }
@@ -91,7 +93,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertNotEmpty($participant->additionalServices, 'Mandatory services should be preselected for non-baby participants');
         $this->assertCount(1, $participant->additionalServices);
@@ -115,7 +117,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertNotEmpty($participant->additionalServices, 'Mandatory services should be preselected for adult participants');
         $this->assertCount(1, $participant->additionalServices);
@@ -123,6 +125,8 @@ class BookingConfiguratorBabyTest extends TestCase
 
     public function testPreselectMandatoryServicesHandlesMixedParticipants(): void
     {
+        $this->participantEligibilityService = $this->createMock(ParticipantEligibilityChecker::class);
+
         $travel = $this->createTravelWithMandatoryServices();
         $bookingDto = new BookingDto($travel, 1);
 
@@ -146,7 +150,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->with($bookingDto, 1) // Only called for adult
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertEmpty($babyParticipant->additionalServices, 'Baby should not have mandatory services preselected');
         $this->assertNotEmpty($adultParticipant->additionalServices, 'Adult should have mandatory services preselected');
@@ -164,7 +168,7 @@ class BookingConfiguratorBabyTest extends TestCase
         $participant->additionalServices = [];
         $bookingDto->participants[0] = $participant;
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertEmpty($participant->additionalServices, 'Mandatory services should not be preselected for newborn babies');
     }
@@ -186,7 +190,7 @@ class BookingConfiguratorBabyTest extends TestCase
         $participant->additionalServices = [];
         $bookingDto->participants[0] = $participant;
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         // At age 1, participant is a baby and should be skipped
         $this->assertEmpty($participant->additionalServices, 'Age should be calculated at travel date, not current date');
@@ -207,7 +211,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertCount(1, $participant->additionalServices);
         $this->assertSame('Auto Book Service', $participant->additionalServices[0]->label);
@@ -229,7 +233,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertEmpty($participant->additionalServices);
     }
@@ -250,7 +254,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertCount(1, $participant->additionalServices);
         $this->assertSame('Mandatory And Auto Book Service', $participant->additionalServices[0]->label);
@@ -270,7 +274,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertNotNull($participant->skiPass);
         $this->assertSame('Auto Book Ski Pass', $participant->skiPass?->label);
@@ -291,7 +295,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertNull($participant->skiPass);
     }
@@ -311,7 +315,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertNotNull($participant->skiPass);
         $this->assertSame('Mandatory And Auto Book Ski Pass', $participant->skiPass?->label);
@@ -331,7 +335,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertCount(1, $participant->board);
         $this->assertSame('Auto Book Board', $participant->board[0]->label);
@@ -352,7 +356,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertSame([], $participant->board);
     }
@@ -372,7 +376,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertCount(1, $participant->board);
         $this->assertSame('Mandatory And Auto Book Board', $participant->board[0]->label);
@@ -393,7 +397,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertCount(1, $participant->rentals);
         $this->assertSame('Auto Book Rental', $participant->rentals[0]->label);
@@ -415,7 +419,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertSame([], $participant->rentals);
     }
@@ -436,7 +440,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertCount(1, $participant->rentals);
         $this->assertSame('Mandatory And Auto Book Rental', $participant->rentals[0]->label);
@@ -456,7 +460,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertSame([], $participant->rentals);
     }
@@ -480,7 +484,7 @@ class BookingConfiguratorBabyTest extends TestCase
             ->method('isParticipantEligible')
             ->willReturn(true);
 
-        $this->bookingService->preselectDefaultServices($bookingDto);
+        $this->bookingService()->preselectDefaultServices($bookingDto);
 
         $this->assertSame([], $participant->rentals);
     }

tests/Service/BookingConfiguratorStatusTest.php

@@ -4,11 +4,9 @@ declare(strict_types=1);
 
 namespace App\Tests\Service;
 
-use App\Form\Model\BookingDto;
-use App\Form\Model\ParticipantDto;
+use App\BusProNet\Constants;
 use App\BusProNet\Model\CrmSelection;
 use App\BusProNet\Model\CrmSelectionGroup;
-use App\BusProNet\Constants;
 use App\BusProNet\Model\Room;
 use App\BusProNet\Model\Service;
 use App\BusProNet\Model\Travel;
@@ -16,6 +14,8 @@ use App\BusProNet\Service\BookingStatusRuleRegistry;
 use App\BusProNet\Service\StatusRule\Selection1473StatusRule;
 use App\BusProNet\XmlLoader\AgencyLoader;
 use App\Exception\NoRoomsAvailableException;
+use App\Form\Model\BookingDto;
+use App\Form\Model\ParticipantDto;
 use App\Service\BookingConfigurator;
 use App\Service\BookingSessionManager;
 use App\Service\ParticipantEligibilityChecker;
@@ -32,12 +32,12 @@ class BookingConfiguratorStatusTest extends TestCase
 
     protected function setUp(): void
     {
-        $bookingSessionService = $this->createMock(BookingSessionManager::class);
-        $this->travelDataService = $this->createMock(TravelDataProvider::class);
-        $participantEligibility = $this->createMock(ParticipantEligibilityChecker::class);
-        $bookingStatusRuleRegistry = $this->createMock(BookingStatusRuleRegistry::class);
+        $bookingSessionService = $this->createStub(BookingSessionManager::class);
+        $this->travelDataService = $this->createStub(TravelDataProvider::class);
+        $participantEligibility = $this->createStub(ParticipantEligibilityChecker::class);
+        $bookingStatusRuleRegistry = $this->createStub(BookingStatusRuleRegistry::class);
         $bookingStatusRuleRegistry->method('evaluateStatus')->willReturn('F');
-        $agencyLoader = $this->createMock(AgencyLoader::class);
+        $agencyLoader = $this->createStub(AgencyLoader::class);
 
         $this->bookingService = new BookingConfigurator(
             $bookingSessionService,
@@ -180,13 +180,13 @@ class BookingConfiguratorStatusTest extends TestCase
     public function testStartFreshBookingWithSelection1473UsesOptionStatus(): void
     {
         $bookingService = new BookingConfigurator(
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingSessionManager::class),
             $this->travelDataService,
-            $this->createMock(ParticipantEligibilityChecker::class),
+            $this->createStub(ParticipantEligibilityChecker::class),
             new BookingStatusRuleRegistry([
                 new Selection1473StatusRule(),
             ]),
-            $this->createMock(AgencyLoader::class),
+            $this->createStub(AgencyLoader::class),
             'F'
         );
 
@@ -230,15 +230,15 @@ class BookingConfiguratorStatusTest extends TestCase
 
     public function testApplyCreateBookingStatusRulesSetsOptionFromRegistry(): void
     {
-        $bookingStatusRuleRegistry = $this->createMock(BookingStatusRuleRegistry::class);
+        $bookingStatusRuleRegistry = $this->createStub(BookingStatusRuleRegistry::class);
         $bookingStatusRuleRegistry->method('evaluateStatus')->willReturn('O');
 
         $bookingService = new BookingConfigurator(
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingSessionManager::class),
             $this->travelDataService,
-            $this->createMock(ParticipantEligibilityChecker::class),
+            $this->createStub(ParticipantEligibilityChecker::class),
             $bookingStatusRuleRegistry,
-            $this->createMock(AgencyLoader::class),
+            $this->createStub(AgencyLoader::class),
             'F'
         );
 
@@ -265,11 +265,11 @@ class BookingConfiguratorStatusTest extends TestCase
         $bookingStatusRuleRegistry->expects($this->never())->method('evaluateStatus');
 
         $bookingService = new BookingConfigurator(
-            $this->createMock(BookingSessionManager::class),
+            $this->createStub(BookingSessionManager::class),
             $this->travelDataService,
-            $this->createMock(ParticipantEligibilityChecker::class),
+            $this->createStub(ParticipantEligibilityChecker::class),
             $bookingStatusRuleRegistry,
-            $this->createMock(AgencyLoader::class),
+            $this->createStub(AgencyLoader::class),
             'F'
         );
 

tests/Service/BookingCreateContextFactoryTest.php

@@ -44,7 +44,7 @@ class BookingCreateContextFactoryTest extends TestCase
         $travel->rooms = [$roomByRoom, $roomByPax];
 
         $bookingDto = new BookingDto($travel, 157047);
-        $summaryData = $this->createMock(BookingSummaryDto::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
 
         $summaryDataService = $this->createMock(BookingSummaryAssembler::class);
         $summaryDataService->expects($this->once())
@@ -63,7 +63,7 @@ class BookingCreateContextFactoryTest extends TestCase
         $priceCalculator->expects($this->never())
             ->method('calculateAllParticipantIndividualPrices');
 
-        $familyInsuranceService = $this->createMock(FamilyInsuranceAvailabilityChecker::class);
+        $familyInsuranceService = $this->createStub(FamilyInsuranceAvailabilityChecker::class);
         $familyInsuranceService->method('isFamilyInsuranceUpgradeAvailable')->willReturn(true);
 
         $service = new BookingCreateContextFactory(
@@ -101,7 +101,7 @@ class BookingCreateContextFactoryTest extends TestCase
         $travel->rooms = [$room];
 
         $bookingDto = new BookingDto($travel, 157047);
-        $summaryData = $this->createMock(BookingSummaryDto::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
         $cardData = new ParticipantCardDataDto(
             name: 'Max Mustermann',
             email: '[email protected]',
@@ -126,7 +126,7 @@ class BookingCreateContextFactoryTest extends TestCase
         $priceCalculator->expects($this->never())
             ->method('calculateAllParticipantIndividualPrices');
 
-        $familyInsuranceService = $this->createMock(FamilyInsuranceAvailabilityChecker::class);
+        $familyInsuranceService = $this->createStub(FamilyInsuranceAvailabilityChecker::class);
         $familyInsuranceService->method('isFamilyInsuranceUpgradeAvailable')->willReturn(true);
 
         $service = new BookingCreateContextFactory(
@@ -162,7 +162,7 @@ class BookingCreateContextFactoryTest extends TestCase
         $travel->rooms = [$room];
 
         $bookingDto = new BookingDto($travel, 157047);
-        $summaryData = $this->createMock(BookingSummaryDto::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
 
         $summaryDataService = $this->createMock(BookingSummaryAssembler::class);
         $summaryDataService->expects($this->once())
@@ -180,7 +180,7 @@ class BookingCreateContextFactoryTest extends TestCase
             ->with($bookingDto)
             ->willReturn([123.45]);
 
-        $familyInsuranceService = $this->createMock(FamilyInsuranceAvailabilityChecker::class);
+        $familyInsuranceService = $this->createStub(FamilyInsuranceAvailabilityChecker::class);
         $familyInsuranceService->method('isFamilyInsuranceUpgradeAvailable')->willReturn(true);
 
         $service = new BookingCreateContextFactory(

tests/Service/BookingEditContextFactoryTest.php

@@ -32,7 +32,7 @@ class BookingEditContextFactoryTest extends TestCase
         $bookingData = new Booking();
         $bookingData->dateId = 123;
 
-        $summaryData = $this->createMock(BookingSummaryDto::class);
+        $summaryData = $this->createStub(BookingSummaryDto::class);
 
         $participantCardAssembler = $this->createMock(ParticipantCardAssembler::class);
         $participantCardAssembler->expects($this->once())

tests/Service/BookingEditDraftManagerMutabilityTest.php

@@ -34,9 +34,9 @@ class BookingEditDraftManagerMutabilityTest extends TestCase
     protected function setUp(): void
     {
         $this->service = new BookingEditDraftManager(
-            $this->createMock(BookingEditDraftRepository::class),
-            $this->createMock(EntityManagerInterface::class),
-            $this->createMock(BookingChangeTracker::class),
+            $this->createStub(BookingEditDraftRepository::class),
+            $this->createStub(EntityManagerInterface::class),
+            $this->createStub(BookingChangeTracker::class),
             new BookingEditDraftMerger(),
             new NullLogger(),
         );
@@ -544,7 +544,7 @@ class BookingEditDraftManagerMutabilityTest extends TestCase
 
     private function createDraft(array $formData): BookingEditDraft
     {
-        $user = $this->createMock(User::class);
+        $user = $this->createStub(User::class);
 
         return new BookingEditDraft($user, 123, new \DateTimeImmutable(), $formData);
     }

tests/Service/BookingEditPreFlightCheckerTest.php

@@ -4,20 +4,20 @@ declare(strict_types=1);
 
 namespace App\Tests\Service;
 
-use App\BusProNet\Model\CrmSelection;
-use App\BusProNet\Model\CrmSelectionGroup;
 use App\BusProNet\Model\Address;
 use App\BusProNet\Model\Booking;
+use App\BusProNet\Model\CrmSelection;
+use App\BusProNet\Model\CrmSelectionGroup;
 use App\BusProNet\Model\Service;
 use App\BusProNet\Model\Travel;
 use App\BusProNet\XmlLoader\AgencyLoader;
 use App\Form\Model\BookingDto;
 use App\Form\Model\ParticipantDto;
+use App\Form\Service\ServiceAgeEvaluator;
 use App\Service\BookingEditPreFlightChecker;
 use App\Service\BookingPriceCalculator;
 use App\Service\ParticipantEligibilityChecker;
 use App\Service\VoucherValidator;
-use App\Form\Service\ServiceAgeEvaluator;
 use App\Validator\Constraints\MandatoryAdditionalServicesSelectedValidator;
 use App\Validator\Constraints\PromoVoucherValidator;
 use App\Validator\Constraints\PurchaseVoucherValidator;
@@ -248,19 +248,14 @@ class BookingEditPreFlightCheckerTest extends TestCase
 
     private function createValidator(): ValidatorInterface
     {
-        $voucherValidator = $this->createMock(VoucherValidator::class);
-        $bookingPriceCalculator = $this->createMock(BookingPriceCalculator::class);
-        $participantEligibilityChecker = $this->createMock(ParticipantEligibilityChecker::class);
+        $voucherValidator = $this->createStub(VoucherValidator::class);
+        $bookingPriceCalculator = $this->createStub(BookingPriceCalculator::class);
+        $participantEligibilityChecker = $this->createStub(ParticipantEligibilityChecker::class);
         $participantEligibilityChecker
             ->method('isParticipantEligible')
             ->willReturn(false);
 
-        $validatorFactory = new class(
-            $voucherValidator,
-            $bookingPriceCalculator,
-            $participantEligibilityChecker,
-            new ServiceAgeEvaluator(),
-        ) implements ConstraintValidatorFactoryInterface {
+        $validatorFactory = new class($voucherValidator, $bookingPriceCalculator, $participantEligibilityChecker, new ServiceAgeEvaluator()) implements ConstraintValidatorFactoryInterface {
             public function __construct(
                 private readonly VoucherValidator $voucherValidator,
                 private readonly BookingPriceCalculator $bookingPriceCalculator,

tests/Service/BookingEditSubmitterTest.php

@@ -19,6 +19,7 @@ use App\Service\BookingEditSubmitGuard;
 use App\Service\BookingEditSubmitter;
 use App\Service\BookingSessionManager;
 use App\Service\TravelDataProvider;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -53,9 +54,7 @@ class BookingEditSubmitterTest extends TestCase
         $this->assertFalse($result->immutableChangesReverted);
     }
 
-    /**
-     * @dataProvider updateFailureProvider
-     */
+    #[DataProvider('updateFailureProvider')]
     public function testHandleSubmissionReturnsRedirectWhenUpdateThrows(
         \Throwable $exception,
         string $expectedStatus,
@@ -437,13 +436,13 @@ class BookingEditSubmitterTest extends TestCase
         ?BookingSessionManager $bookingSessionService = null,
     ): BookingEditSubmitter {
         return new BookingEditSubmitter(
-            $apiClient ?? $this->createMock(\App\BusProNet\ApiClient::class),
-            $dataLoader ?? $this->createMock(BookingEditDataLoader::class),
-            $draftService ?? $this->createMock(BookingEditDraftManager::class),
-            $travelDataService ?? $this->createMock(TravelDataProvider::class),
-            $submitGuard ?? $this->createMock(BookingEditSubmitGuard::class),
-            $bookingSessionService ?? $this->createMock(BookingSessionManager::class),
-            $this->createMock(LoggerInterface::class),
+            $apiClient ?? $this->createStub(\App\BusProNet\ApiClient::class),
+            $dataLoader ?? $this->createStub(BookingEditDataLoader::class),
+            $draftService ?? $this->createStub(BookingEditDraftManager::class),
+            $travelDataService ?? $this->createStub(TravelDataProvider::class),
+            $submitGuard ?? $this->createStub(BookingEditSubmitGuard::class),
+            $bookingSessionService ?? $this->createStub(BookingSessionManager::class),
+            $this->createStub(LoggerInterface::class),
         );
     }
 
@@ -475,5 +474,4 @@ class BookingEditSubmitterTest extends TestCase
 
         return $request;
     }
-
 }