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import errno
import os
import sys
import tempfile
import unittest
from test.support import cpython_only
from test.support.import_helper import import_module
termios = import_module('termios')
@unittest.skipUnless(hasattr(os, 'openpty'), "need os.openpty()")
class TestFunctions(unittest.TestCase):
def setUp(self):
master_fd, self.fd = os.openpty()
self.addCleanup(os.close, master_fd)
self.stream = self.enterContext(open(self.fd, 'wb', buffering=0))
tmp = self.enterContext(tempfile.TemporaryFile(mode='wb', buffering=0))
self.bad_fd = tmp.fileno()
def assertRaisesTermiosError(self, errno, callable, *args):
with self.assertRaises(termios.error) as cm:
callable(*args)
self.assertEqual(cm.exception.args[0], errno)
def test_tcgetattr(self):
attrs = termios.tcgetattr(self.fd)
self.assertIsInstance(attrs, list)
self.assertEqual(len(attrs), 7)
for i in range(6):
self.assertIsInstance(attrs[i], int)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = attrs
self.assertIsInstance(cc, list)
self.assertEqual(len(cc), termios.NCCS)
for i, x in enumerate(cc):
if ((lflag & termios.ICANON) == 0 and
(i == termios.VMIN or i == termios.VTIME)):
self.assertIsInstance(x, int)
else:
self.assertIsInstance(x, bytes)
self.assertEqual(len(x), 1)
self.assertEqual(termios.tcgetattr(self.stream), attrs)
def test_tcgetattr_errors(self):
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcgetattr, self.bad_fd)
self.assertRaises(ValueError, termios.tcgetattr, -1)
self.assertRaises(OverflowError, termios.tcgetattr, 2**1000)
self.assertRaises(TypeError, termios.tcgetattr, object())
self.assertRaises(TypeError, termios.tcgetattr)
def test_tcsetattr(self):
attrs = termios.tcgetattr(self.fd)
termios.tcsetattr(self.fd, termios.TCSANOW, attrs)
termios.tcsetattr(self.fd, termios.TCSADRAIN, attrs)
termios.tcsetattr(self.fd, termios.TCSAFLUSH, attrs)
termios.tcsetattr(self.stream, termios.TCSANOW, attrs)
@cpython_only
def test_tcsetattr_errors(self):
attrs = termios.tcgetattr(self.fd)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, tuple(attrs))
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1])
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs + [0])
for i in range(6):
attrs2 = attrs[:]
attrs2[i] = 2**1000
self.assertRaises(OverflowError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[i] = object()
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
print(70,attrs[:-1] + [attrs[-1][:-1]])
import pdb;pdb.set_trace()
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1][:-1]])
print(71)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1] + [b'\0']])
print(73)
for i in range(len(attrs[-1])):
attrs2 = attrs[:]
attrs2[-1] = attrs2[-1][:]
attrs2[-1][i] = 2**1000
print(76)
self.assertRaises(OverflowError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[-1][i] = object()
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[-1][i] = b''
print(81)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[-1][i] = b'\0\0'
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, object())
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW)
self.assertRaisesTermiosError(errno.EINVAL, termios.tcsetattr, self.fd, -1, attrs)
self.assertRaises(OverflowError, termios.tcsetattr, self.fd, 2**1000, attrs)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, object(), attrs)
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsetattr, self.bad_fd, termios.TCSANOW, attrs)
self.assertRaises(ValueError, termios.tcsetattr, -1, termios.TCSANOW, attrs)
self.assertRaises(OverflowError, termios.tcsetattr, 2**1000, termios.TCSANOW, attrs)
self.assertRaises(TypeError, termios.tcsetattr, object(), termios.TCSANOW, attrs)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW)
def test_tcsendbreak(self):
try:
termios.tcsendbreak(self.fd, 1)
except termios.error as exc:
if exc.args[0] == errno.ENOTTY and sys.platform.startswith('freebsd'):
self.skipTest('termios.tcsendbreak() is not supported '
'with pseudo-terminals (?) on this platform')
raise
termios.tcsendbreak(self.stream, 1)
def test_tcsendbreak_errors(self):
self.assertRaises(OverflowError, termios.tcsendbreak, self.fd, 2**1000)
self.assertRaises(TypeError, termios.tcsendbreak, self.fd, 0.0)
self.assertRaises(TypeError, termios.tcsendbreak, self.fd, object())
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsendbreak, self.bad_fd, 0)
self.assertRaises(ValueError, termios.tcsendbreak, -1, 0)
self.assertRaises(OverflowError, termios.tcsendbreak, 2**1000, 0)
self.assertRaises(TypeError, termios.tcsendbreak, object(), 0)
self.assertRaises(TypeError, termios.tcsendbreak, self.fd)
def test_tcdrain(self):
termios.tcdrain(self.fd)
termios.tcdrain(self.stream)
def test_tcdrain_errors(self):
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcdrain, self.bad_fd)
self.assertRaises(ValueError, termios.tcdrain, -1)
self.assertRaises(OverflowError, termios.tcdrain, 2**1000)
self.assertRaises(TypeError, termios.tcdrain, object())
self.assertRaises(TypeError, termios.tcdrain)
def test_tcflush(self):
termios.tcflush(self.fd, termios.TCIFLUSH)
termios.tcflush(self.fd, termios.TCOFLUSH)
termios.tcflush(self.fd, termios.TCIOFLUSH)
def test_tcflush_errors(self):
self.assertRaisesTermiosError(errno.EINVAL, termios.tcflush, self.fd, -1)
self.assertRaises(OverflowError, termios.tcflush, self.fd, 2**1000)
self.assertRaises(TypeError, termios.tcflush, self.fd, object())
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcflush, self.bad_fd, termios.TCIFLUSH)
self.assertRaises(ValueError, termios.tcflush, -1, termios.TCIFLUSH)
self.assertRaises(OverflowError, termios.tcflush, 2**1000, termios.TCIFLUSH)
self.assertRaises(TypeError, termios.tcflush, object(), termios.TCIFLUSH)
self.assertRaises(TypeError, termios.tcflush, self.fd)
def test_tcflow(self):
termios.tcflow(self.fd, termios.TCOOFF)
termios.tcflow(self.fd, termios.TCOON)
termios.tcflow(self.fd, termios.TCIOFF)
termios.tcflow(self.fd, termios.TCION)
def test_tcflow_errors(self):
self.assertRaisesTermiosError(errno.EINVAL, termios.tcflow, self.fd, -1)
self.assertRaises(OverflowError, termios.tcflow, self.fd, 2**1000)
self.assertRaises(TypeError, termios.tcflow, self.fd, object())
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcflow, self.bad_fd, termios.TCOON)
self.assertRaises(ValueError, termios.tcflow, -1, termios.TCOON)
self.assertRaises(OverflowError, termios.tcflow, 2**1000, termios.TCOON)
self.assertRaises(TypeError, termios.tcflow, object(), termios.TCOON)
self.assertRaises(TypeError, termios.tcflow, self.fd)
def test_tcgetwinsize(self):
size = termios.tcgetwinsize(self.fd)
self.assertIsInstance(size, tuple)
self.assertEqual(len(size), 2)
self.assertIsInstance(size[0], int)
self.assertIsInstance(size[1], int)
self.assertEqual(termios.tcgetwinsize(self.stream), size)
def test_tcgetwinsize_errors(self):
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcgetwinsize, self.bad_fd)
self.assertRaises(ValueError, termios.tcgetwinsize, -1)
self.assertRaises(OverflowError, termios.tcgetwinsize, 2**1000)
self.assertRaises(TypeError, termios.tcgetwinsize, object())
self.assertRaises(TypeError, termios.tcgetwinsize)
def test_tcsetwinsize(self):
size = termios.tcgetwinsize(self.fd)
termios.tcsetwinsize(self.fd, size)
termios.tcsetwinsize(self.fd, list(size))
termios.tcsetwinsize(self.stream, size)
def test_tcsetwinsize_errors(self):
size = termios.tcgetwinsize(self.fd)
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, size[:-1])
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, size + (0,))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, object())
self.assertRaises(OverflowError, termios.tcsetwinsize, self.fd, (size[0], 2**1000))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (size[0], float(size[1])))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (size[0], object()))
self.assertRaises(OverflowError, termios.tcsetwinsize, self.fd, (2**1000, size[1]))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (float(size[0]), size[1]))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (object(), size[1]))
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsetwinsize, self.bad_fd, size)
self.assertRaises(ValueError, termios.tcsetwinsize, -1, size)
self.assertRaises(OverflowError, termios.tcsetwinsize, 2**1000, size)
self.assertRaises(TypeError, termios.tcsetwinsize, object(), size)
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd)
class TestModule(unittest.TestCase):
def test_constants(self):
self.assertIsInstance(termios.B0, int)
self.assertIsInstance(termios.B38400, int)
self.assertIsInstance(termios.TCSANOW, int)
self.assertIsInstance(termios.TCSADRAIN, int)
self.assertIsInstance(termios.TCSAFLUSH, int)
self.assertIsInstance(termios.TCIFLUSH, int)
self.assertIsInstance(termios.TCOFLUSH, int)
self.assertIsInstance(termios.TCIOFLUSH, int)
self.assertIsInstance(termios.TCOOFF, int)
self.assertIsInstance(termios.TCOON, int)
self.assertIsInstance(termios.TCIOFF, int)
self.assertIsInstance(termios.TCION, int)
self.assertIsInstance(termios.VTIME, int)
self.assertIsInstance(termios.VMIN, int)
self.assertIsInstance(termios.NCCS, int)
self.assertLess(termios.VTIME, termios.NCCS)
self.assertLess(termios.VMIN, termios.NCCS)
def test_exception(self):
self.assertTrue(issubclass(termios.error, Exception))
self.assertFalse(issubclass(termios.error, OSError))
if __name__ == '__main__':
unittest.main()
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