def test_listen_exception(self, mock_port_list, mock_serial, mock_json):
"""
tests the listen method with invalid input
"""
port = ListPortInfo()
port.vid = "vid"
port.pid = "pid"
port.manufacturer = "Microsoft"
port.serial_number = "456"
port.interface = "usb"
port.device = "usb"
mock_json.side_effect = Exception("ex")
mock_port_list.return_value = [port]
test_input = "{'value': 'value'}"
with patch.dict(
os.environ,
{
"LOG_DIRECTORY": self.temp_dir.path,
"RADIO_TRANSMITTER_PORT": "usb",
"LOG_FILE": "logger.txt",
"TRANSCEIVER_BAUDRATE": "9600",
"TRANSCEIVER_TIMEOUT": "1",
},
):
with LogCapture() as capture:
transceiver = Transceiver(log_file_name="LOG_FILE")
mock_receiver = MagicMock()
mock_receiver.readline.return_value.decode.return_value = test_input
transceiver.serial = mock_receiver
with self.assertRaises(Exception):
transceiver.listen()
capture.check(
("LOG_FILE", "INFO", "Port device found: usb"),
("LOG_FILE", "INFO", "Opening serial on: usb"),
("LOG_FILE", "ERROR", "error occurred: ex"),
)
def test_send(self, mock_port_list, mock_serial):
"""
tests the send method
"""
port = ListPortInfo()
port.vid = "vid"
port.pid = "pid"
port.manufacturer = "Microsoft"
port.serial_number = "456"
port.interface = "usb"
port.device = "usb"
mock_port_list.return_value = [port]
test_payload = {"value": "value"}
output = get_serial_stream(test_payload)
with patch.dict(
os.environ,
{
"LOG_DIRECTORY": self.temp_dir.path,
"RADIO_TRANSMITTER_PORT": "usb",
"LOG_FILE": "logger.txt",
"TRANSCEIVER_BAUDRATE": "9600",
"TRANSCEIVER_TIMEOUT": "1",
},
):
with LogCapture() as capture:
transciever = Transceiver(log_file_name="LOG_FILE")
mock_serial_sender = MagicMock()
transciever.serial = mock_serial_sender
transciever.send(test_payload)
mock_serial_sender.write.assert_called_with(output)
capture.check(
("LOG_FILE", "INFO", "Port device found: usb"),
("LOG_FILE", "INFO", "Opening serial on: usb"),
("LOG_FILE", "INFO", "sending"),
("LOG_FILE", "INFO", "{'value': 'value'}"),
)