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pythongh-108996: add tests for msvcrt (python#109004)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu> Co-authored-by: Steve Dower <steve.dower@microsoft.com>
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import os | ||
import sys | ||
import unittest | ||
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from test.support import os_helper | ||
from test.support.os_helper import TESTFN, TESTFN_ASCII | ||
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if sys.platform != "win32": | ||
raise unittest.SkipTest("windows related tests") | ||
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import _winapi | ||
import msvcrt; | ||
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from _testconsole import write_input | ||
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class TestFileOperations(unittest.TestCase): | ||
def test_locking(self): | ||
with open(TESTFN, "w") as f: | ||
self.addCleanup(os_helper.unlink, TESTFN) | ||
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msvcrt.locking(f.fileno(), msvcrt.LK_LOCK, 1) | ||
self.assertRaises(OSError, msvcrt.locking, f.fileno(), msvcrt.LK_NBLCK, 1) | ||
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def test_unlockfile(self): | ||
with open(TESTFN, "w") as f: | ||
self.addCleanup(os_helper.unlink, TESTFN) | ||
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msvcrt.locking(f.fileno(), msvcrt.LK_LOCK, 1) | ||
msvcrt.locking(f.fileno(), msvcrt.LK_UNLCK, 1) | ||
msvcrt.locking(f.fileno(), msvcrt.LK_LOCK, 1) | ||
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def test_setmode(self): | ||
with open(TESTFN, "w") as f: | ||
self.addCleanup(os_helper.unlink, TESTFN) | ||
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msvcrt.setmode(f.fileno(), os.O_BINARY) | ||
msvcrt.setmode(f.fileno(), os.O_TEXT) | ||
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def test_open_osfhandle(self): | ||
h = _winapi.CreateFile(TESTFN_ASCII, _winapi.GENERIC_WRITE, 0, 0, 1, 128, 0) | ||
self.addCleanup(os_helper.unlink, TESTFN_ASCII) | ||
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try: | ||
fd = msvcrt.open_osfhandle(h, os.O_RDONLY) | ||
h = None | ||
os.close(fd) | ||
finally: | ||
if h: | ||
_winapi.CloseHandle(h) | ||
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def test_get_osfhandle(self): | ||
with open(TESTFN, "w") as f: | ||
self.addCleanup(os_helper.unlink, TESTFN) | ||
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msvcrt.get_osfhandle(f.fileno()) | ||
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c = '\u5b57' # unicode CJK char (meaning 'character') for 'wide-char' tests | ||
c_encoded = b'\x57\x5b' # utf-16-le (which windows internally used) encoded char for this CJK char | ||
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class TestConsoleIO(unittest.TestCase): | ||
def test_kbhit(self): | ||
self.assertEqual(msvcrt.kbhit(), 0) | ||
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def test_getch(self): | ||
msvcrt.ungetch(b'c') | ||
self.assertEqual(msvcrt.getch(), b'c') | ||
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def test_getwch(self): | ||
stdin = open('CONIN$', 'r') | ||
old_stdin = sys.stdin | ||
try: | ||
sys.stdin = stdin | ||
write_input(stdin.buffer.raw, c_encoded) | ||
self.assertEqual(msvcrt.getwch(), c) | ||
finally: | ||
sys.stdin = old_stdin | ||
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def test_getche(self): | ||
msvcrt.ungetch(b'c') | ||
self.assertEqual(msvcrt.getche(), b'c') | ||
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def test_getwche(self): | ||
stdin = open('CONIN$', 'r') | ||
old_stdin = sys.stdin | ||
try: | ||
sys.stdin = stdin | ||
write_input(stdin.buffer.raw, c_encoded) | ||
self.assertEqual(msvcrt.getwche(), c) | ||
finally: | ||
sys.stdin = old_stdin | ||
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def test_putch(self): | ||
msvcrt.putch(b'c') | ||
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def test_putwch(self): | ||
msvcrt.putwch(c) | ||
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class TestOther(unittest.TestCase): | ||
def test_heap_min(self): | ||
try: | ||
msvcrt.heapmin() | ||
except OSError: | ||
pass | ||
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if __name__ == "__main__": | ||
unittest.main() |
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Misc/NEWS.d/next/Tests/2023-09-06-22-06-22.gh-issue-108996.IBhR3U.rst
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Add tests for ``msvcrt``. |