mein-sterntours/tests/Feature/Auth/LoginTest.php

<?php

namespace Tests\Feature\Auth;

use App\User;
use Tests\TestCase;
use Illuminate\Foundation\Testing\RefreshDatabase;

class LoginTest extends TestCase
{
    use RefreshDatabase;

    public function testLoginPageIsAccessible(): void
    {
        $response = $this->get('/login');

        $response->assertStatus(200);
    }

    public function testUnauthenticatedUserIsRedirectedToLogin(): void
    {
        $response = $this->get('/home');

        $response->assertRedirect('/login');
    }

    public function testUserCanLoginWithValidCredentials(): void
    {
        $user = User::factory()->create([
            'password' => bcrypt('password'),
        ]);

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

        $this->assertAuthenticatedAs($user);
        $response->assertRedirect();
    }

    public function testLoginFailsWithWrongPassword(): void
    {
        $user = User::factory()->create([
            'password' => bcrypt('correct-password'),
        ]);

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

        $this->assertGuest();
        $response->assertSessionHasErrors('email');
    }

    public function testLoginFailsWithUnknownEmail(): void
    {
        $response = $this->post('/login', [
            'email'    => 'nobody@example.com',
            'password' => 'password',
        ]);

        $this->assertGuest();
        $response->assertSessionHasErrors('email');
    }

    public function testInactiveUserCannotLogin(): void
    {
        $user = User::factory()->inactive()->create([
            'password' => bcrypt('password'),
        ]);

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

        $this->assertGuest();
    }

    public function testAuthenticatedUserIsRedirectedAwayFromLoginPage(): void
    {
        $user = User::factory()->create();

        $response = $this->actingAs($user)->get('/login');

        $response->assertRedirect();
    }

    public function testUserCanLogout(): void
    {
        $user = User::factory()->create();

        $this->actingAs($user)->post('/logout');

        $this->assertGuest();
    }
}