alrahma_sunday_school_api/tests/Unit/Services/SchoolIds/SchoolIdGenerationServiceTest.php

<?php

namespace Tests\Unit\Services\SchoolIds;

use App\Services\SchoolIds\SchoolIdGenerationService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class SchoolIdGenerationServiceTest extends TestCase
{
    use RefreshDatabase;

    public function test_generates_student_school_id_with_prefix(): void
    {
        $service = app(SchoolIdGenerationService::class);
        $schoolId = $service->generateStudentId();

        $year = date('y');
        $this->assertStringStartsWith('STU' . $year, $schoolId);
        $this->assertSame(10, strlen($schoolId));
    }

    public function test_generates_user_school_id_with_prefix(): void
    {
        $service = app(SchoolIdGenerationService::class);
        $schoolId = $service->generateUserId();

        $year = date('y');
        $this->assertStringStartsWith($year, $schoolId);
        $this->assertSame(7, strlen($schoolId));
    }
}