Align frontend API contracts

tests/apps/user/test_serializers.py

@@ -33,6 +33,9 @@ class UserRegistrationSerializerTest(TestCase):
             "password": self.password,
             "password_confirm": self.password,
             "phone": f"+7{fake.numerify('##########')}",
+            "first_name": fake.first_name(),
+            "middle_name": fake.first_name(),
+            "last_name": fake.last_name(),
         }
 
     def test_valid_registration_data(self):
@@ -95,6 +98,20 @@ class UserRegistrationSerializerTest(TestCase):
         self.assertEqual(user.email, self.user_data["email"])
         self.assertEqual(user.username, self.user_data["username"])
         self.assertTrue(user.check_password(self.user_data["password"]))
+        self.assertEqual(user.profile.first_name, self.user_data["first_name"])
+        self.assertEqual(user.profile.middle_name, self.user_data["middle_name"])
+        self.assertEqual(user.profile.last_name, self.user_data["last_name"])
+
+    def test_registration_requires_first_and_last_name(self):
+        data = self.user_data.copy()
+        data.pop("first_name")
+        data.pop("last_name")
+
+        serializer = UserRegistrationSerializer(data=data)
+
+        self.assertFalse(serializer.is_valid())
+        self.assertIn("first_name", serializer.errors)
+        self.assertIn("last_name", serializer.errors)
 
 
 class UserSerializerTest(TestCase):
@@ -217,6 +234,7 @@ class AdminUserUpdateSerializerTest(TestCase):
                 "is_active": False,
                 "first_name": fake.first_name(),
                 "middle_name": fake.first_name(),
+                "last_name": fake.last_name(),
             },
             partial=True,
         )