root
95 lines
3.0 KiB
PHP
95 lines
3.0 KiB
PHP
<?php
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namespace Tests\App\Services;
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use App\Services\FeeCalculationService;
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use CodeIgniter\Test\CIUnitTestCase;
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class FeeCalculationServiceRefundAdapterHarness extends FeeCalculationService
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{
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public array $previewedEnrollmentIds = [];
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public function __construct(private array $latestByEnrollment, private array $previewByEnrollment)
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{
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}
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protected function latestWithdrawalCalculation(int $enrollmentId): ?array
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{
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return $this->latestByEnrollment[$enrollmentId] ?? null;
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}
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protected function previewWithdrawalCalculation(int $enrollmentId): array
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{
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$this->previewedEnrollmentIds[] = $enrollmentId;
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return $this->previewByEnrollment[$enrollmentId] ?? ['new_refund_request_cents' => 0];
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}
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}
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class FeeCalculationServiceTest extends CIUnitTestCase
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{
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public function testRefundAdapterUsesWithdrawalFinancialPreviewAmounts(): void
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{
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$service = new FeeCalculationServiceRefundAdapterHarness(
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latestByEnrollment: [
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10 => ['status' => 'preview', 'new_refund_request_cents' => 12345],
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11 => ['status' => 'superseded', 'new_refund_request_cents' => 99999],
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],
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previewByEnrollment: [
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11 => ['status' => 'preview', 'new_refund_request_cents' => 500],
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]
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);
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$refund = $service->calculateRefund([
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['id' => 10, 'parent_id' => 8, 'enrollment_status' => 'withdraw under review'],
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['id' => 11, 'parent_id' => 8, 'enrollment_status' => 'refund pending'],
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['id' => 12, 'parent_id' => 8, 'enrollment_status' => 'enrolled'],
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['id' => 13, 'parent_id' => 9, 'enrollment_status' => 'refund pending'],
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], 8);
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$this->assertSame(128.45, $refund);
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$this->assertSame([11], $service->previewedEnrollmentIds);
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}
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public function testRefundReversesLatestTuitionTierFirst(): void
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{
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$fees = $this->refundFeeStack(3, 2, 380.0, 280.0);
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$this->assertSame([280.0], $fees);
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}
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public function testRefundKeepsReversingAdditionalFeesBeforeFirstStudentFee(): void
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{
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$fees = $this->refundFeeStack(3, 0, 380.0, 280.0);
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$this->assertSame([280.0, 280.0, 380.0], $fees);
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}
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public function testSingleStudentWithdrawalRefundsFirstStudentFee(): void
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{
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$fees = $this->refundFeeStack(1, 0, 380.0, 280.0);
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$this->assertSame([380.0], $fees);
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}
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/**
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* @return array<int,float>
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*/
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private function refundFeeStack(
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int $originalStudentCount,
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int $remainingStudentCount,
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float $firstStudentFee,
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float $additionalStudentFee
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): array {
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$method = new \ReflectionMethod(FeeCalculationService::class, 'reverseTuitionRefundFeeStack');
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$method->setAccessible(true);
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return $method->invoke(
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new FeeCalculationService(),
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$originalStudentCount,
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$remainingStudentCount,
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$firstStudentFee,
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$additionalStudentFee
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);
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}
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}
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