def test_invalid(self):
form_data = self.form_data.copy()
form_data['name'] = ''
region_form = RegionForm(form_data)
self.assertFalse(region_form.is_valid())
message = 'This field is required.'
self.assertEqual([message], region_form.errors['name'])
def test_valid(self):
region_form = RegionForm(self.form_data)
self.assertTrue(region_form.is_valid())