def test_close(self, target, monkeypatch, serial_port):
serial_mock = Mock()
serial_mock.close = MagicMock()
monkeypatch.setattr(serial, 'Serial', serial_mock)
s = SerialDriver(target)
s.serial = serial_mock
s.on_activate()
s.close()
assert (serial_mock.close.called)
def test_write(self, target, monkeypatch, serial_port):
serial_mock = Mock()
serial_mock.write = MagicMock()
monkeypatch.setattr(serial, 'Serial', serial_mock)
s = SerialDriver(target)
s.serial = serial_mock
s.on_activate()
s.write(b"testdata")
serial_mock.write.assert_called_with(b"testdata")
def test_read(self, target, monkeypatch, serial_port):
serial_mock = Mock()
serial_mock.read = MagicMock()
serial_mock.in_waiting = 0
monkeypatch.setattr(serial, 'Serial', serial_mock)
s = SerialDriver(target)
s.serial = serial_mock
s.on_activate()
s.read()
assert (serial_mock.read.called)
