def test_is_valid_json_with_none(self):
# Assure
tested_value = None
# Act
result = nns_converters.is_valid_json(tested_value)
# Assert
self.assertFalse(result)
def test_is_valid_json_with_valid_json(self):
# Assure
tested_value = '{"code": "valid"}'
# Act
result = nns_converters.is_valid_json(tested_value)
# Assert
self.assertTrue(result)
def test_is_valid_json_with_empty_json(self):
# Assure
tested_value = '{}'
# Act
result = nns_converters.is_valid_json(tested_value)
# Assert
self.assertFalse(result)