Refs #35530 -- Added basic test cases for auth.login.

tests/auth_tests/test_login.py

@@ -0,0 +1,25 @@
+from django.contrib import auth
+from django.contrib.auth.models import User
+from django.http import HttpRequest
+from django.test import TestCase
+
+
+class TestLogin(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.user = User.objects.create_user(username="testuser", password="password")
+
+    def setUp(self):
+        self.request = HttpRequest()
+        self.request.session = self.client.session
+
+    def test_user_login(self):
+        auth.login(self.request, self.user)
+        self.assertEqual(self.request.session[auth.SESSION_KEY], str(self.user.pk))
+
+    def test_inactive_user(self):
+        self.user.is_active = False
+        self.user.save(update_fields=["is_active"])
+
+        auth.login(self.request, self.user)
+        self.assertEqual(self.request.session[auth.SESSION_KEY], str(self.user.pk))