deactivated django debug tool and try setup test

api/tests.py

-from django.test import TestCase
+from django.urls import include, path, reverse
+from rest_framework.test import APITestCase, URLPatternsTestCase
 
-# Create your tests here.
+
+class AccountTests(APITestCase, URLPatternsTestCase):
+    urlpatterns = [
+        path("api/", include("api.urls")),
+    ]
+
+    def test_create_account(self):
+        """
+        Ensure can create a new account object.
+        """
+        url = reverse("users")
+        response = self.client.get(url, format="json")
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(len(response.data), 1)

api/urls.py

@@ -9,7 +9,7 @@ from api.views import (
 )
 
 router = routers.DefaultRouter()
-router.register(r"users", UserViewSet, basename="user")
+router.register(r"users", UserViewSet, basename="users")
 router.register(r"books", BookViewSet, basename="books")
 router.register(r"members", MemberViewSet, basename="members")
 router.register(r"librarians", LibrarianViewSet, basename="librarians")

config/settings.py

@@ -61,7 +61,7 @@ INSTALLED_APPS = [
     "django.contrib.messages",
     "django.contrib.staticfiles",
     # 3rd party
-    "debug_toolbar",
+    # "debug_toolbar",
     "rest_framework",
     "rest_framework.authtoken",
     "django_filters",

config/urls.py

@@ -25,10 +25,14 @@ urlpatterns = [
     path("dashboard/", include("dashboards.urls")),
     path("admin/", admin.site.urls),
     path("auth/", include("authentications.urls")),
-    path("__debug__/", include("debug_toolbar.urls")),
+    # path("__debug__/", include("debug_toolbar.urls")),
     # API
     path("api/v1/", include("api.urls")),
     path("api/v1/auth/", include("dj_rest_auth.urls")),
-    path("api/v1/auth/registration/", include("dj_rest_auth.registration.urls")),
+    path(
+        "api/v1/auth/registration/",
+        include("dj_rest_auth.registration.urls"),
+        name="register",
+    ),
     path("api-auth/", include("rest_framework.urls")),
 ]