def setUp(self):
# create a closed serial port
self.s = serial.serial_for_url(PORT, do_not_open=True)
python类serial_for_url()的实例源码
def test_RtsCtsSetting(self):
for rtscts in (True, False):
self.s.rtscts = rtscts
# test get method
self.assertEqual(self.s.rtscts, rtscts)
# test internals
self.assertEqual(self.s._rtscts, rtscts)
# no illegal values here, normal rules for the boolean value of an
# object are used thus all objects have a truth value.
# this test does not work anymore since serial_for_url that is used
# now, already sets a port
def setUp(self):
self.s = serial.serial_for_url(PORT, timeout=1)
#~ self.io = io.TextIOWrapper(self.s)
self.io = io.TextIOWrapper(io.BufferedRWPair(self.s, self.s))
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 setUp(self):
# create a closed serial port
self.s = serial.serial_for_url(PORT)
self.assertTrue(hasattr(self.s, 'cancel_read'), "serial instance has no cancel_read")
self.s.timeout = 10
self.cancel_called = 0
def setUp(self):
# create a closed serial port
self.s = serial.serial_for_url(PORT, baudrate=300) # extra slow ~30B/s => 1kb ~ 34s
self.assertTrue(hasattr(self.s, 'cancel_write'), "serial instance has no cancel_write")
self.s.write_timeout = 10
self.cancel_called = 0
def test_failed_connection(self):
# connection to closed port
s = serial.serial_for_url('rfc2217://127.99.99.99:2217', do_not_open=True)
self.assertRaises(serial.SerialException, s.open)
self.assertFalse(s.is_open)
s.close() # no errors expected
# invalid address
s = serial.serial_for_url('rfc2217://127goingtofail', do_not_open=True)
self.assertRaises(serial.SerialException, s.open)
self.assertFalse(s.is_open)
s.close() # no errors expected
# close w/o open is also OK
s = serial.serial_for_url('rfc2217://irrelevant', do_not_open=True)
self.assertFalse(s.is_open)
s.close() # no errors expected
def setUp(self):
self.s = serial.serial_for_url(PORT, BAUDRATE, timeout=10)
def test_loop(self):
"""loop interface"""
serial.serial_for_url('loop://', do_not_open=True)
def test_bad_url(self):
"""invalid protocol specified"""
self.assertRaises(ValueError, serial.serial_for_url, "imnotknown://")
def test_custom_url(self):
"""custom protocol handlers"""
# it's unknown
self.assertRaises(ValueError, serial.serial_for_url, "test://")
# add search path
serial.protocol_handler_packages.append('handlers')
# now it should work
serial.serial_for_url("test://")
# remove our handler again
serial.protocol_handler_packages.remove('handlers')
# so it should not work anymore
self.assertRaises(ValueError, serial.serial_for_url, "test://")
def setUp(self):
# create a closed serial port
self.s = serial.serial_for_url(PORT, do_not_open=True)
def setUp(self):
self.s = serial.serial_for_url(PORT, timeout=1)
def setUp(self):
self.s = serial.serial_for_url(PORT, timeout=self.timeout)
def setUp(self):
self.s = serial.serial_for_url(PORT, timeout=None)
self.event = SendEvent(self.s)
def setUp(self):
self.s = serial.serial_for_url(PORT, timeout=None)
def setUp(self):
self.s = serial.serial_for_url(PORT)
def setUp(self):
# create a closed serial port
self.s = serial.serial_for_url(PORT, do_not_open=True)
def test_RtsCtsSetting(self):
for rtscts in (True, False):
self.s.rtscts = rtscts
# test get method
self.failUnlessEqual(self.s.rtscts, rtscts)
# test internals
self.failUnlessEqual(self.s._rtscts, rtscts)
# no illegal values here, normal rules for the boolean value of an
# object are used thus all objects have a truth value.
# this test does not work anymore since serial_for_url that is used
# now, already sets a port
