def test_user_cannot_submit_unchanged_form(self):
"""Ensures that a user cannot submit an unchanged form"""
# Create form
form = forms.GameEditForm(self.inputs, initial=self.game.get_change_model())
# Form should not be valid since no changes were made
self.assertFalse(form.is_valid())
self.assertIn('You have not changed anything', str(form.errors))
def test_user_cannot_submit_invalid_changed_form(self):
"""Ensures that a user cannot submit invalid changes"""
# Prepare the change to be suggested (which is invalid here)
self.inputs['name'] = ''
# Create form
form = forms.GameEditForm(self.inputs, initial=self.game.get_change_model())
# Assert that form is invalid since the name must not be empty
self.assertFalse(form.is_valid())
self.assertIn('This field is required', str(form.errors['name']))
def test_user_can_submit_valid_changed_form(self):
"""Ensures that a user can submit valid changes"""
# Prepare the change to be suggested
self.inputs['name'] = 'Corrected Game Title'
# Needed for the foreign key of the change row
change_for = self.game.get_change_model()
# Create form
form = forms.GameEditForm(self.inputs, initial=change_for)
# Assert that form is valid since the change is valid
self.assertTrue(form.is_valid())
# Persist changes
change_suggestion = form.save(commit=False)
change_suggestion.change_for = self.game
change_suggestion.save()
form.save_m2m()
# Assert that the changes are in the model
self.assertEqual(change_suggestion.name, 'Corrected Game Title')
# Finally, verify the diff (did only the name change?)
diff = change_suggestion.get_changes()
# Count should be 1 since only one change was made
self.assertEqual(len(diff), 1)
# Untie
(diff_name, diff_old, diff_new) = diff[0]
# Verify diff
self.assertEqual(diff_name, 'name')
self.assertEqual(diff_old, 'Horribly Misspelled Game Title')
self.assertEqual(diff_new, 'Corrected Game Title')