test create user validation

tests/test_validation_with_db.py

@@ -0,0 +1,27 @@
+"""
+This module contains tests that test validation which are not related to the database.
+"""
+from helpers.validation import is_username_in_db
+from tests.test_base import TestBase
+
+
+class TestValidationWithDb(TestBase):
+    """
+    Test functions that validate functions that involve data validation from the database"""
+
+    def test_validate_username_exists_returns_none_if_username_does_not_exist(
+            self):
+        """
+        Should return None if the username does not exist
+        """
+        self.assertIsNone(is_username_in_db('username'))
+
+    def test_validate_username_exists_returns_user_object_if_username_exists(
+            self):
+        """
+        Should return User object if the username exists
+        """
+        user = self.create_dummy_user('username')
+        user_object = is_username_in_db('username')
+        self.assertEqual(user_object.username, 'username')
+        self.assertEqual(user_object.id, user.id)