def test_argument_p_overrules_env_var_for_serial_port(capsys):
os.environ['STM32LOADER_SERIAL_PORT'] = "COM120"
main("-p", "COM121", avoid_system_exit=True)
captured = capsys.readouterr()
assert ("port 'COM121'" in captured.err or "port COM121" in captured.err)
def test_env_var_stm32loader_serial_port_defines_port(capsys):
os.environ['STM32LOADER_SERIAL_PORT'] = "COM109"
main(avoid_system_exit=True)
captured = capsys.readouterr()
assert ("port 'COM109'" in captured.err or "port COM109" in captured.err)
def test_missing_argument_p_prints_readable_error(capsys):
main(avoid_system_exit=True)
captured = capsys.readouterr()
assert "No serial port configured" in captured.err
assert "Supply the -p option" in captured.err
assert "environment variable STM32LOADER_SERIAL_PORT" in captured.err
def test_unexisting_serial_port_prints_readable_error(capsys):
main("-p", "COM108", avoid_system_exit=True)
captured = capsys.readouterr()
assert "could not open port " in captured.err
assert ("port 'COM108'" in captured.err or "port COM108" in captured.err)
assert "Is the device connected and powered correctly?" in captured.err
def test_argument_h_prints_help_info(help_argument, capsys):
main(help_argument, avoid_system_exit=True)
captured = capsys.readouterr()
assert "Example:" in captured.out
def main_with_default_arguments(*args):
main("-p", SERIAL_PORT, "-b", str(BAUD_RATE), "-q", *args, avoid_system_exit=True)