def test_json_text_field_returns_json_value_as_none(self):
# arrange
json_text = None
jt_class = DataGenerator.set_up_json_text_field_class(
json_text=json_text)
# act
jt_return = JsonTextFieldClass.objects.get(id=jt_class.id)
# assert
self.assertIsNone(jt_return.json_text)
def test_json_text_field_returns_json_value_as_list(self):
# arrange
json_text = json.loads(
'[{ "description": "isn\'t it beautiful outside?" }]')
jt_class = DataGenerator.set_up_json_text_field_class(
json_text=json_text)
# act
jt_return = JsonTextFieldClass.objects.get(id=jt_class.id)
# assert
self.assertIsNotNone(jt_return)
self.assertTrue(isinstance(jt_return.json_text, List))
def test_json_text_field_calls_mock_to_python_when_set(
self, mock_to_python):
# arrange
mock_to_python.return_value = []
json_text = json.loads(
'[{ "description": "isn\'t it beautiful outside?" }]')
# act
jt_class = DataGenerator.set_up_json_text_field_class(
json_text=json_text)
# assert
self.assertTrue(mock_to_python.called)
def test_json_text_field_calls_mock_from_db_value_when_retrieved_from_db(
self, mock_from_db):
# arrange
mock_from_db.return_value = []
json_text = json.loads(
'[{ "description": "isn\'t it beautiful outside?" }]')
jt_class = DataGenerator.set_up_json_text_field_class(
json_text=json_text)
# act
jt_return = JsonTextFieldClass.objects.get(id=jt_class.id)
# assert
self.assertTrue(mock_from_db.called)
def test_json_text_field_throws_error_when_json_in_database_is_malformed(
self):
# arrange
json_text_in_db = '[{ \'description\':: \'isn\'t it beautiful outside?\' }]'
# act
jt_class = DataGenerator.set_up_json_text_field_class(
json_text=json_text_in_db)
# act / assert
with self.assertRaises(ValidationError) as ex:
jt_return = JsonTextFieldClass.objects.get(id=jt_class.id)
self.assertEqual(
ex.exception.args[0],
SimplifyJsonTextField.ErrorMessages.INVALID_DB_VALUE.format(
json_text_in_db))
def test_json_text_field_returns_json_value_as_list_when_to_python_called_twice(
self):
# arrange
json_text = [{"description": "isn\'t it beautiful outside?"}]
jt_class = DataGenerator.set_up_json_text_field_class(
json_text=json_text)
jt_class.json_text = json.dumps(json_text)
jt_class.save()
# act
jt_return = JsonTextFieldClass.objects.get(id=jt_class.id)
# assert
self.assertIsNotNone(jt_return)
self.assertTrue(isinstance(jt_return.json_text, List))