fix: incorrect rules around family insurances

addresses #869dr80qj

tests/Form/Service/Condition/FamilyInsuranceActiveConditionTest.php

@@ -0,0 +1,112 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Form\Service\Condition;
+
+use App\BusProNet\Model\Insurance;
+use App\BusProNet\Model\Travel;
+use App\Form\Model\BookingDto;
+use App\Form\Model\ParticipantDto;
+use App\Form\Service\Condition\FamilyInsuranceActiveCondition;
+use PHPUnit\Framework\TestCase;
+
+class FamilyInsuranceActiveConditionTest extends TestCase
+{
+    private FamilyInsuranceActiveCondition $condition;
+
+    protected function setUp(): void
+    {
+        $this->condition = new FamilyInsuranceActiveCondition();
+    }
+
+    public function testAlwaysFalseForApplicant(): void
+    {
+        $applicant = new ParticipantDto();
+        $applicant->index = 0;
+        $applicant->insurance = $this->createFamilyInsurance();
+
+        $bookingDto = new BookingDto(new Travel(), 1);
+        $bookingDto->participants = [$applicant];
+
+        $result = $this->condition->evaluate($bookingDto, 0, []);
+
+        $this->assertFalse($result, 'Applicant is never affected by their own family insurance selection');
+    }
+
+    public function testTrueForDependentWhenApplicantHasFamilyInsurance(): void
+    {
+        $applicant = new ParticipantDto();
+        $applicant->index = 0;
+        $applicant->insurance = $this->createFamilyInsurance();
+
+        $dependent = new ParticipantDto();
+        $dependent->index = 1;
+
+        $bookingDto = new BookingDto(new Travel(), 1);
+        $bookingDto->participants = [$applicant, $dependent];
+
+        $result = $this->condition->evaluate($bookingDto, 1, []);
+
+        $this->assertTrue($result, 'Dependent insurance field must be hidden when applicant has family insurance');
+    }
+
+    public function testFalseForDependentWhenApplicantHasNonFamilyInsurance(): void
+    {
+        $nonFamilyInsurance = new Insurance();
+        $nonFamilyInsurance->familyInsurance = false;
+
+        $applicant = new ParticipantDto();
+        $applicant->index = 0;
+        $applicant->insurance = $nonFamilyInsurance;
+
+        $dependent = new ParticipantDto();
+        $dependent->index = 1;
+
+        $bookingDto = new BookingDto(new Travel(), 1);
+        $bookingDto->participants = [$applicant, $dependent];
+
+        $result = $this->condition->evaluate($bookingDto, 1, []);
+
+        $this->assertFalse($result, 'Dependent should keep their own insurance choice for non-family insurance');
+    }
+
+    public function testFalseForDependentWhenApplicantHasNoInsurance(): void
+    {
+        $applicant = new ParticipantDto();
+        $applicant->index = 0;
+
+        $dependent = new ParticipantDto();
+        $dependent->index = 1;
+
+        $bookingDto = new BookingDto(new Travel(), 1);
+        $bookingDto->participants = [$applicant, $dependent];
+
+        $result = $this->condition->evaluate($bookingDto, 1, []);
+
+        $this->assertFalse($result);
+    }
+
+    public function testGetDependentFieldsReturnsInsurance(): void
+    {
+        $result = $this->condition->getDependentFields();
+
+        $this->assertSame(['insurance'], $result);
+    }
+
+    public function testGetDescriptionReturnsString(): void
+    {
+        $result = $this->condition->getDescription();
+
+        $this->assertIsString($result);
+        $this->assertStringContainsString('family insurance', $result);
+    }
+
+    private function createFamilyInsurance(): Insurance
+    {
+        $insurance = new Insurance();
+        $insurance->familyInsurance = true;
+
+        return $insurance;
+    }
+}