add more controller

tests/Unit/Services/SchoolIds/SchoolIdGenerationServiceTest.php

@@ -0,0 +1,32 @@
+<?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));
+    }
+}