Laravel Testing: TDD con Pest PHP

Perché Pest?

Pest offre una sintassi elegante e concisa per scrivere test, rendendo il TDD più piacevole.

Installazione

composer require pestphp/pest --dev --with-all-dependencies
php artisan pest:install

Scrivere Test con Pest

<?php
// tests/Feature/UserTest.php

it('creates a new user', function () {
    $response = $this->post('/api/users', [
        'name' => 'Giovanni',
        'email' => 'giovanni@devgd.it',
        'password' => 'password123'
    ]);

    $response->assertStatus(201);
    $this->assertDatabaseHas('users', [
        'email' => 'giovanni@devgd.it'
    ]);
});

it('validates user data', function () {
    $response = $this->post('/api/users', [
        'name' => '',
        'email' => 'invalid-email'
    ]);

    $response->assertStatus(422)
        ->assertJsonValidationErrors(['name', 'email', 'password']);
});

test('user can login', function () {
    $user = User::factory()->create([
        'password' => bcrypt('password')
    ]);

    $response = $this->post('/api/login', [
        'email' => $user->email,
        'password' => 'password'
    ]);

    $response->assertOk()
        ->assertJsonStructure(['token']);
});
?>