add user model tests

services/backend/apps/user/test.py

@@ -0,0 +1,32 @@
+from django.core.exceptions import ValidationError
+from django.test import TestCase
+
+from apps.user.models import User
+
+
+class TestSignUp(TestCase):
+    def test_correct_signup(self):
+        user = User(
+            email="123123@timka.su",
+            password="1321312",
+            username="123123",
+        )
+        user.full_clean()
+        user.save()
+
+    def test_incorrect_mail(self):
+        user = User(
+            email="123123",
+            password="1321312",
+            username="123123123",
+        )
+        with self.assertRaises(ValidationError):
+            user.full_clean()
+
+    def test_missing_params(self):
+        user = User(
+            password="123123",
+            username="132131232131"
+        )
+        with self.assertRaises(ValidationError):
+            user.full_clean()