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#!/usr/bin/env python
#
# This file is part of pySerial - Cross platform serial port support for Python
# (C) 2002-2015 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier: BSD-3-Clause
"""\
Test the ability to get and set the settings with a dictionary.
Part of pySerial (http://pyserial.sf.net) (C) 2002-2015 cliechti@gmx.net
"""
import unittest
import serial
# on which port should the tests be performed:
PORT = 0
SETTINGS = ('baudrate', 'bytesize', 'parity', 'stopbits', 'xonxoff',
'dsrdtr', 'rtscts', 'timeout', 'write_timeout', 'inter_byte_timeout')
class Test_SettingsDict(unittest.TestCase):
"""Test with settings dictionary"""
def test_getsettings(self):
"""the settings dict reflects the current settings"""
ser = serial.serial_for_url(PORT, do_not_open=True)
d = ser.get_settings()
for setting in SETTINGS:
self.assertEqual(getattr(ser, setting), d[setting])
def test_partial_settings(self):
"""partial settings dictionaries are also accepted"""
ser = serial.serial_for_url(PORT, do_not_open=True)
d = ser.get_settings()
del d['baudrate']
del d['bytesize']
ser.apply_settings(d)
for setting in d:
self.assertEqual(getattr(ser, setting), d[setting])
def test_unknown_settings(self):
"""unknown settings are ignored"""
ser = serial.serial_for_url(PORT, do_not_open=True)
d = ser.get_settings()
d['foobar'] = 'ignore me'
ser.apply_settings(d)
def test_init_sets_the_correct_attrs(self):
"""__init__ sets the fields that get_settings reads"""
for setting, value in (
('baudrate', 57600),
('timeout', 7),
('write_timeout', 12),
('inter_byte_timeout', 15),
('stopbits', serial.STOPBITS_TWO),
('bytesize', serial.SEVENBITS),
('parity', serial.PARITY_ODD),
('xonxoff', True),
('rtscts', True),
('dsrdtr', True),
):
kwargs = {'do_not_open': True, setting: value}
ser = serial.serial_for_url(PORT, **kwargs)
d = ser.get_settings()
self.assertEqual(getattr(ser, setting), value)
if __name__ == '__main__':
import sys
sys.stdout.write(__doc__)
if len(sys.argv) > 1:
PORT = sys.argv[1]
sys.stdout.write("Testing port: %r\n" % PORT)
sys.argv[1:] = ['-v']
# When this module is executed from the command-line, it runs all its tests
unittest.main()
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