def test_connection_make_transaction(self, MockUrllib):
mock_instance1 = mock.Mock()
mock_instance1.headers = {'X-HOLVI-RESULT': 'OK'}
MockUrllib.return_value = mock_instance1
headers = {}
headers['Test-header'] = 'value'
connection = Connection(self.server)
response = connection.make_transaction(headers, '/fetch')
self.assertEquals(MockUrllib.call_args[0][0].headers, headers)
self.assertEquals(response.headers['X-HOLVI-RESULT'], 'OK')
mock_instance1.headers = {'X-HOLVI-RESULT': 'ERROR: 404 Not found'}
with self.assertRaises(HolviDataItemException):
response = connection.make_transaction(headers, '/fetch')
