def test_file_exists_no_file(self, mock_ssh_client):
sftp_mock = mock.Mock()
sftp_mock.stat.side_effect = IOError()
transport_mock = mock.Mock()
transport_mock.open_sftp_client.return_value = sftp_mock
mock_ssh_client.get_transport.return_value = transport_mock
a = ACSClient(mock_ssh_client)
a.connect('somehost', 'someusername')
actual = a.file_exists('somefile')
self.assertEqual(actual, False)
def test_file_exists_positive(self, mock_ssh_client):
sftp_mock = mock.Mock()
sftp_mock.stat.side_efect = 'filexists'
transport_mock = mock.Mock()
transport_mock.open_sftp_client.return_value = sftp_mock
mock_ssh_client.get_transport.return_value = transport_mock
a = ACSClient(mock_ssh_client)
a.connect('somehost', 'someusername')
actual = a.file_exists('somefile')
self.assertEqual(actual, True)
