1 files changed, 35 insertions, 0 deletions
diff --git a/alphabetlearning/users/tests/test_forms.py b/alphabetlearning/users/tests/test_forms.py
new file mode 100644
index 0000000..9ab1f7e
--- /dev/null
+++ b/alphabetlearning/users/tests/test_forms.py
@@ -0,0 +1,35 @@
+"""Module for all Form Tests."""
+
+from django.utils.translation import gettext_lazy as _
+
+from alphabetlearning.users.forms import UserAdminCreationForm
+from alphabetlearning.users.models import User
+
+
+class TestUserAdminCreationForm:
+    """
+    Test class for all tests related to the UserAdminCreationForm
+    """
+
+    def test_username_validation_error_msg(self, user: User):
+        """
+        Tests UserAdminCreation Form's unique validator functions correctly by testing:
+            1) A new user with an existing username cannot be added.
+            2) Only 1 error is raised by the UserCreation Form
+            3) The desired error message is raised
+        """
+
+        # The user already exists,
+        # hence cannot be created.
+        form = UserAdminCreationForm(
+            {
+                "email": user.email,
+                "password1": user.password,
+                "password2": user.password,
+            },
+        )
+
+        assert not form.is_valid()
+        assert len(form.errors) == 1
+        assert "email" in form.errors
+        assert form.errors["email"][0] == _("This email has already been taken.")