Jeeeede Menge updates.

tests/Feature/Auth/AuthenticationTest.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Tests\Feature\Auth;
+
+use App\Models\User;
+use App\Providers\RouteServiceProvider;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AuthenticationTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_login_screen_can_be_rendered()
+    {
+        $response = $this->get('/login');
+
+        $response->assertStatus(200);
+    }
+
+    public function test_users_can_authenticate_using_the_login_screen()
+    {
+        $user = User::factory()->create();
+
+        $response = $this->post('/login', [
+            'email' => $user->email,
+            'password' => 'password',
+        ]);
+
+        $this->assertAuthenticated();
+        $response->assertRedirect(RouteServiceProvider::HOME);
+    }
+
+    public function test_users_can_not_authenticate_with_invalid_password()
+    {
+        $user = User::factory()->create();
+
+        $this->post('/login', [
+            'email' => $user->email,
+            'password' => 'wrong-password',
+        ]);
+
+        $this->assertGuest();
+    }
+}