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# Python Serial Port Extension for Win32, Linux, BSD, Jython
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# (C) 2010 Chris Liechti <cliechti@gmx.net>
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# this is distributed under a free software license, see license.txt
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Some tests for the serial module.
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Part of pyserial (http://pyserial.sf.net) (C)2010 cliechti@gmx.net
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Intended to be run on different platforms, to ensure portability of
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For all these tests a simple hardware is required.
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Shortcut these pin pairs:
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On a 9 pole DSUB these are the pins (2-3) (4-6) (7-8)
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#~ print serial.VERSION
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# on which port should the tests be performed:
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if sys.version_info >= (3, 0):
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return bytes(string, 'latin1')
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def data(string): return string
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class Test_Readline(unittest.TestCase):
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"""Test readline function"""
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self.s = serial.serial_for_url(PORT, timeout=1)
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def test_readline(self):
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"""Test readline method"""
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self.s.write(serial.to_bytes("1\n2\n3\n"))
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self.failUnlessEqual(self.s.readline(), serial.to_bytes("1\n"))
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self.failUnlessEqual(self.s.readline(), serial.to_bytes("2\n"))
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self.failUnlessEqual(self.s.readline(), serial.to_bytes("3\n"))
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# this time we will get a timeout
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self.failUnlessEqual(self.s.readline(), serial.to_bytes(""))
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def test_readlines(self):
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"""Test readlines method"""
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self.s.write(serial.to_bytes("1\n2\n3\n"))
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[serial.to_bytes("1\n"), serial.to_bytes("2\n"), serial.to_bytes("3\n")]
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def test_xreadlines(self):
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"""Test xreadlines method (skipped for io based systems)"""
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if hasattr(self.s, 'xreadlines'):
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self.s.write(serial.to_bytes("1\n2\n3\n"))
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list(self.s.xreadlines()),
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[serial.to_bytes("1\n"), serial.to_bytes("2\n"), serial.to_bytes("3\n")]
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def test_for_in(self):
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"""Test for line in s"""
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self.s.write(serial.to_bytes("1\n2\n3\n"))
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[serial.to_bytes("1\n"), serial.to_bytes("2\n"), serial.to_bytes("3\n")]
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def test_alternate_eol(self):
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"""Test readline with alternative eol settings (skipped for io based systems)"""
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if hasattr(self.s, 'xreadlines'): # test if it is our FileLike base class
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self.s.write(serial.to_bytes("no\rno\nyes\r\n"))
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self.s.readline(eol=serial.to_bytes("\r\n")),
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serial.to_bytes("no\rno\nyes\r\n"))
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if __name__ == '__main__':
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sys.stdout.write(__doc__)
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if len(sys.argv) > 1:
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sys.stdout.write("Testing port: %r\n" % PORT)
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sys.argv[1:] = ['-v']
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# When this module is executed from the command-line, it runs all its tests
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test/test_readline.py
