def test_read(self, target, serial_port, mocker):
serial_mock = mocker.patch('serial.Serial')
serial_mock.return_value.in_waiting = 0
s = SerialDriver(target, "serial")
target.activate(s)
s.read()
serial_mock.return_value.open.assert_called_once_with()
serial_mock.return_value.read.assert_called_once_with(1)
def test_read(self, target, monkeypatch, serial_port):
serial_mock = Mock()
serial_mock.read = MagicMock()
monkeypatch.setattr(serial, 'Serial', serial_mock)
s = SerialDriver(target)
s.serial = serial_mock
s.on_activate()
s.read()
assert (serial_mock.read.called)
def test_read(self, target, monkeypatch, serial_port, mocker):
serial_mock = mocker.Mock()
serial_mock.read = mocker.MagicMock()
serial_mock.in_waiting = 0
monkeypatch.setattr(serial, 'Serial', serial_mock)
s = SerialDriver(target)
s.serial = serial_mock
target.activate(s)
s.read()
assert (serial_mock.read.called)
