BAB 57. TESTING STRATEGY

Tujuan

Menjamin kualitas sistem dan mencegah regresi sebelum kode masuk ke production melalui pendekatan Test Pyramid.

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Piramida Testing

flowchart TD
    E2E["🔺 E2E Test\n(Sedikit, Lambat, Mahal)"]
    FEAT["🔷 Feature / Integration Test"]
    UNIT["🔹 Unit Test\n(Banyak, Cepat, Murah)"]

    E2E --> FEAT --> UNIT

Semakin bawah piramida = semakin banyak, cepat, dan murah.

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Backend Testing — Laravel

Unit Test

Menguji logika terisolasi tanpa database.

Target	Contoh
AI Scoring Engine	test_skill_similarity_returns_100_for_exact_match
SIS Calculation	test_sis_score_increases_after_successful_session
XP Calculation	test_xp_awarded_based_on_duration_and_rating
Repository Mock	test_create_request_calls_repository_once

// tests/Unit/AI/ScoringEngineTest.php

class ScoringEngineTest extends TestCase
{
    public function test_skill_similarity_exact_match_returns_100(): void
    {
        $engine = new ScoringEngine();
        $score = $engine->calculateSkillSimilarity(
            tutorSkillId: 5,
            requestSubjectId: 5
        );

        $this->assertEquals(100, $score);
    }
}

Feature Test

Menguji endpoint API secara end-to-end dengan database test.

Endpoint	Test Case
POST /auth/login	Login berhasil, password salah, akun nonaktif
POST /requests	Request dibuat, validasi gagal, unauthorized
POST /bookings/{id}/accept	Accept berhasil, sudah accepted, not found
POST /meetings/check-in	QR valid, QR expired, diluar radius
POST /ratings	Rating disimpan, duplicate rating dicegah

// tests/Feature/Api/RequestTest.php

class RequestTest extends TestCase
{
    use RefreshDatabase;

    public function test_student_can_create_request(): void
    {
        $student = Student::factory()->create();

        $response = $this->actingAs($student->user, 'sanctum')
            ->postJson('/api/v1/requests', [
                'subject_id'       => 1,
                'description'      => 'Butuh bantuan integral',
                'preferred_location' => 'Perpustakaan',
                'preferred_time'   => now()->addDay(),
                'duration_minutes' => 60,
            ]);

        $response->assertCreated()
            ->assertJsonPath('data.status', 'searching');
    }
}

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Flutter Testing

Widget Test

Menguji komponen UI secara terisolasi.

// test/widget/login_form_test.dart

void main() {
  testWidgets('Login form shows error when fields empty', (tester) async {
    await tester.pumpWidget(const MaterialApp(home: LoginPage()));

    await tester.tap(find.byKey(const Key('btn_login')));
    await tester.pump();

    expect(find.text('Username wajib diisi'), findsOneWidget);
  });
}

Integration Test

Menguji alur pengguna dari login hingga request.

// integration_test/request_flow_test.dart

void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('Student can login and create request', (tester) async {
    app.main();
    await tester.pumpAndSettle();

    // Login
    await tester.enterText(find.byKey(const Key('field_username')), '1234567890');
    await tester.enterText(find.byKey(const Key('field_password')), 'password');
    await tester.tap(find.byKey(const Key('btn_login')));
    await tester.pumpAndSettle();

    expect(find.text('Dashboard'), findsOneWidget);
  });
}

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Coverage Target

Layer	Target Coverage
Domain / Use Cases	90%
Service Layer	85%
Repository	80%
Controller	75%
Widget	70%
Overall Minimum	80%

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Perintah Testing

# Backend — semua test
php artisan test

# Backend — dengan coverage
php artisan test --coverage --min=80

# Backend — parallel
php artisan test --parallel

# Flutter — unit & widget
flutter test

# Flutter — integration
flutter test integration_test/