add tests for user API endpoints

backend/videoflix/users/tests.py

@@ -1,3 +1,75 @@
 from django.test import TestCase
+from django.urls import reverse
+from rest_framework import status
+from rest_framework.test import APIClient
+from .models import CustomUser
+from django.contrib.auth import get_user_model
 
-# Create your tests here.
+User = get_user_model()
+
+class UserTests(TestCase):
+    def setUp(self):
+        """
+        Initializes the APIClient and creates test users. Authenticates a user for the tests.
+        """
+        self.client = APIClient()
+        self.user = User.objects.create_user(username='testuser', password='testpass')
+        self.client.force_authenticate(user=self.user)
+        self.user2 = User.objects.create_user(username='testuser2', password='testpass2')
+
+    def test_get_users(self):
+        """
+        Checks whether the GET request to /users/ returns a 200 OK response and returns two users.
+        """
+        url = reverse('user_list')
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data), 2)
+
+    def test_post_user(self):
+        """
+        Tests whether a POST request to /users/ creates a new user and returns a 201 Created response.
+        """
+        url = reverse('user_list')
+        data = {'username': 'testuser3', 'password': 'testpass3'}
+        response = self.client.post(url, data, format='json')
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(User.objects.count(), 3)
+        self.assertEqual(User.objects.get(username='testuser3').username, 'testuser3')
+
+    def test_get_user_detail(self):
+        """
+        Checks whether the GET request to /users/<id>/ returns the correct user details.
+        """
+        url = reverse('user_detail', args=[self.user.pk])
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data['username'], 'testuser')
+
+    def test_put_user_detail(self):
+        """
+        Tests whether a PUT request to /users/<id>/ updates the user details and returns a 200 OK response.
+        """
+        url = reverse('user_detail', args=[self.user.pk])
+        data = {'username': 'updateduser', 'password': 'newpass'}
+        response = self.client.put(url, data, format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.user.refresh_from_db()
+        self.assertEqual(self.user.username, 'updateduser')
+
+    def test_delete_user_detail(self):
+        """
+        Checks whether a DELETE request to /users/<id>/ deletes the user and returns a 204 No Content response.
+        """
+        url = reverse('user_detail', args=[self.user.pk])
+        response = self.client.delete(url)
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertFalse(User.objects.filter(pk=self.user.pk).exists())
+
+    def test_get_user_detail_not_found(self):
+        """
+        Tests whether a GET request to /users/<id>/ for a non-existent user returns a 404 Not Found response.
+        """
+        url = reverse('user_detail', args=[9999])
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)

backend/videoflix/users/views.py

@@ -19,7 +19,7 @@ def user_list(request):
   elif request.method == 'POST':
     serializer = UserSerializer(data= request.data)
     if serializer.is_valid():
-      serializer.save
+      serializer.save()
       return Response(serializer.data, status=status.HTTP_201_CREATED)
   return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 

backend/videoflix/videoflix/urls.py

@@ -41,8 +41,8 @@ urlpatterns = [
     path('content/movie/<int:id>/', content_views.check_video),
  
     # Users URLs
-    path('users/', user_views.user_list),
-    path('users/<int:id>/', user_views.user_detail),
+    path('users/', user_views.user_list, name='user_list'),
+    path('users/<int:id>/', user_views.user_detail, name='user_detail'),
 
     # Authentication URLs
     path('auth/', AuthView.as_view()),