feat: voucher purchase flow

tests/Service/VoucherThumbnailResolverTest.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Service;
+
+use App\BusProNet\Model\VoucherTemplate;
+use App\Service\VoucherThumbnailResolver;
+use PHPUnit\Framework\TestCase;
+use Psr\Log\LoggerInterface;
+
+class VoucherThumbnailResolverTest extends TestCase
+{
+    private string $manifestPath;
+
+    protected function setUp(): void
+    {
+        $this->manifestPath = tempnam(sys_get_temp_dir(), 'manifest');
+        file_put_contents($this->manifestPath, json_encode([
+            'build/images/vouchers/muster_3.jpg' => '/build/images/vouchers/muster_3.0a1b2c3d.jpg',
+        ]));
+    }
+
+    protected function tearDown(): void
+    {
+        @unlink($this->manifestPath);
+    }
+
+    public function testAThumbnailIsFoundByTheTemplateId(): void
+    {
+        $logger = $this->createMock(LoggerInterface::class);
+        $logger->expects(self::never())->method('warning');
+
+        $resolver = new VoucherThumbnailResolver($this->manifestPath, $logger);
+
+        self::assertSame('build/images/vouchers/muster_3.jpg', $resolver->resolve(new VoucherTemplate(3, 'K', 'Allgemein')));
+    }
+
+    public function testANewDesignWithoutAThumbnailRendersWithoutOneAndIsReported(): void
+    {
+        $logger = $this->createMock(LoggerInterface::class);
+        $logger->expects(self::once())->method('warning')->with('No thumbnail for voucher template', self::callback(
+            static fn (array $context) => 6 === $context['template_id'] && 'assets/vouchers/muster_6.jpg' === $context['expected_source']
+        ));
+
+        $resolver = new VoucherThumbnailResolver($this->manifestPath, $logger);
+
+        self::assertSame(
+            [3 => 'build/images/vouchers/muster_3.jpg', 6 => null],
+            $resolver->resolveAll([new VoucherTemplate(3, 'K', 'Allgemein'), new VoucherTemplate(6, 'K', 'Ostern')]),
+        );
+    }
+}