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gh-81002: Add tests for termios #110386
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b834499
gh-81002: Add tests for termios
serhiy-storchaka 01fc9b5
Skip tests if /dev/tty is not available.
serhiy-storchaka cfa146f
Only open files once.
serhiy-storchaka 80f1310
Merge branch 'main' into test_termios
serhiy-storchaka 46c5476
Enable test which crashed before.
serhiy-storchaka d40ce38
Use pseudo-terminal.
serhiy-storchaka 8cf5e00
Fix a leak.
serhiy-storchaka d616a93
Merge branch 'main' into test_termios
serhiy-storchaka 41df652
Skip tests if there is no os.openpty().
serhiy-storchaka 22b71da
Only run test_termios.
serhiy-storchaka 55d3735
Re-open files for every test.
serhiy-storchaka 8d15fea
Skip failing test_tcsendbreak on FreeBSD
serhiy-storchaka ed89bbf
Revert "Only run test_termios."
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,220 @@ | ||
| import errno | ||
| import os | ||
| import sys | ||
| import tempfile | ||
| import unittest | ||
| from test.support.import_helper import import_module | ||
|
|
||
| termios = import_module('termios') | ||
|
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||
|
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||
| @unittest.skipUnless(hasattr(os, 'openpty'), "need os.openpty()") | ||
| class TestFunctions(unittest.TestCase): | ||
|
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| 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() | ||
|
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| 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) | ||
|
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||
| 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) | ||
|
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||
| 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) | ||
| self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1][:-1]]) | ||
| self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1] + [b'\0']]) | ||
| for i in range(len(attrs[-1])): | ||
| attrs2 = attrs[:] | ||
| attrs2[-1] = attrs2[-1][:] | ||
| attrs2[-1][i] = 2**1000 | ||
| 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'' | ||
| 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) | ||
|
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||
| 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) | ||
|
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||
| def test_tcflush(self): | ||
| termios.tcflush(self.fd, termios.TCIFLUSH) | ||
| termios.tcflush(self.fd, termios.TCOFLUSH) | ||
| termios.tcflush(self.fd, termios.TCIOFLUSH) | ||
|
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||
| 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) | ||
|
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||
| 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) | ||
|
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||
| 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) | ||
|
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| 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) | ||
|
|
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| 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) | ||
|
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|
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| 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) | ||
|
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| def test_exception(self): | ||
| self.assertTrue(issubclass(termios.error, Exception)) | ||
| self.assertFalse(issubclass(termios.error, OSError)) | ||
|
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|
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| if __name__ == '__main__': | ||
| unittest.main() |
1 change: 1 addition & 0 deletions
1
Misc/NEWS.d/next/Tests/2023-10-05-13-46-50.gh-issue-81002.bOcuV6.rst
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| Add tests for :mod:`termios`. |
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