18. Testing Masterclass: Pest PHP, PHPUnit, Database Transactions & Mocking HTTP Calls • PHP 8+ & Laravel 11/12: Enterprise Full-Stack AI Developer • Rishabh Ki Kaksha

PHP 8+ & Laravel 11/12: Enterprise Full-Stack AI Developer › 18. Testing Masterclass: Pest PHP, PHPUnit, Database Transactions & Mocking HTTP Calls

45 mins

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Course Syllabus

Module 1: Modern PHP 8.2/8.3 Internals, Type System & CLI

01. PHP 8.2/8.3 Evolution: JIT Compiler, Zend VM Internals & Strict Typing System 02. Control Flow, Pattern Matching with match(), First-Class Callables & Fiber Concurrency 03. Modern OOP PHP: Constructor Promotion, Readonly Classes, Traits, Enums & Attributes

Module 2: Dependency Management, Autoloading & Database Engineering

04. Composer Mastery: PSR-4 Autoloading, Custom Packages & Composer Scripts 05. PDO Database Layer: Prepared Statements, SQL Injection Defense & Transaction Savepoints 06. Memory Profiling, Garbage Collection (Zend GC) & OPcache Performance Tuning

Module 3: Laravel 11/12 Core Architecture & Service Container

07. Laravel 11/12 Architecture: Request Lifecycle, bootstrap/app.php & Service Providers 08. The Inversion of Control (IoC) Service Container & Automatic Dependency Injection 09. Middleware Pipeline, Custom Global Pipeline Handlers & Terminating Middleware 10. Advanced Routing, Route Model Binding & Rate Limiting (Throttle Middleware)

Module 4: Eloquent ORM Masterclass & High-Scale Database Systems

11. Eloquent ORM Internals: Active Record vs Data Mapper, Eager vs Lazy Loading (N+1 Problem) 12. Advanced Relationships: Polymorphic, Many-to-Many with Pivots & HasManyThrough 13. Query Scopes, Custom Eloquent Casts, Mutators/Accessors & Raw Query Optimizations

Module 5: High-Performance Queues, WebSockets & Security Architecture

14. Laravel Queues & Background Jobs: Redis Drivers, Horizon, Retries & Dead Letter Queues 15. Real-Time Event Broadcasting with Laravel Reverb, WebSockets & Echo 16. Authentication & API Security: Laravel Sanctum, Passport (OAuth2) & Policy Gates (RBAC) 17. Security Hardening: CSRF, XSS, Mass Assignment Protection & Encrypted Cookies

Module 6: Enterprise Full-Stack AI, Testing & Cloud Deployment

18. Testing Masterclass: Pest PHP, PHPUnit, Database Transactions & Mocking HTTP Calls 19. Enterprise Generative AI Integration: LLM Tool Calling, Vector Search & OpenAI/Claude APIs 20. Production Deployment: Laravel Octane (FrankenPHP/Swoole), PM2/Supervisor & Docker Deployments

Interactive Lesson Studio

# 18. Testing Masterclass: Pest PHP, PHPUnit, Database Transactions & Mocking HTTP Calls

> PHP 8+ & Laravel 11/12 Notes by Rishabh - Topic 18

---

### 1. Modern Testing with Pest PHP (Elegant Testing Framework 🧪)

```php
// tests/Feature/LessonTest.php
uses(Illuminate\Foundation\Testing\RefreshDatabase::class);

it('allows enrolled students to complete a lesson', function () {
    $user = User::factory()->create();
    $lesson = Lesson::factory()->create();

$response = $this->actingAs($user)
        ->postJson("/api/lessons/{$lesson->id}/complete");

$response->assertStatus(200)
        ->assertJson(['status' => 'completed']);

$this->assertDatabaseHas('user_lesson_completions', [
        'user_id' => $user->id,
        'lesson_id' => $lesson->id,
    ]);
});
```

---

### 2. Mocking External HTTP API Calls

```php
Http::fake([
    'api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => 'AI Generated response']]]], 200),
]);
```

---

### 3. Interview Ke 3 Sawal Is Topic Se

1. **`RefreshDatabase` trait tests ko isolated kaise rakhta hai?** -> Har single test function ke around database transaction wrap karta hai aur test finish hote hi auto-rollback kar deta hai (Blazing fast in-memory testing).
2. **Model Factories & Seeders unit tests me kya role play karte hain?** -> Realistic mock test data dynamically instantiate karna (`User::factory()->count(10)->create()`).
3. **Architecture Testing (Pest Arch) kya enforce karta hai?** -> `arch()->expect('App\Http\Controllers')->toHaveSuffix('Controller')` (Enforces strict code architecture rules across team!).

---
**Next Topic:** 19. Enterprise Generative AI Integration: LLM Tool Calling, Vector Search & OpenAI/Claude APIs

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CERTIFICATE OF COMPLETION

Rishabh Gehlot

PHP 8+ & Laravel 11 Master Track