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120 lines
3.4 KiB
Python
120 lines
3.4 KiB
Python
import os
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import subprocess
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import sys
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import unittest
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from textwrap import dedent
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from test.support import os_helper, requires_resource
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from test.support.os_helper import TESTFN, TESTFN_ASCII
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if sys.platform != "win32":
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raise unittest.SkipTest("windows related tests")
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import _winapi
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import msvcrt
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class TestFileOperations(unittest.TestCase):
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def test_locking(self):
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with open(TESTFN, "w") as f:
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self.addCleanup(os_helper.unlink, TESTFN)
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msvcrt.locking(f.fileno(), msvcrt.LK_LOCK, 1)
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self.assertRaises(OSError, msvcrt.locking, f.fileno(), msvcrt.LK_NBLCK, 1)
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def test_unlockfile(self):
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with open(TESTFN, "w") as f:
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self.addCleanup(os_helper.unlink, TESTFN)
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msvcrt.locking(f.fileno(), msvcrt.LK_LOCK, 1)
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msvcrt.locking(f.fileno(), msvcrt.LK_UNLCK, 1)
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msvcrt.locking(f.fileno(), msvcrt.LK_LOCK, 1)
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def test_setmode(self):
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with open(TESTFN, "w") as f:
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self.addCleanup(os_helper.unlink, TESTFN)
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msvcrt.setmode(f.fileno(), os.O_BINARY)
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msvcrt.setmode(f.fileno(), os.O_TEXT)
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def test_open_osfhandle(self):
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h = _winapi.CreateFile(TESTFN_ASCII, _winapi.GENERIC_WRITE, 0, 0, 1, 128, 0)
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self.addCleanup(os_helper.unlink, TESTFN_ASCII)
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try:
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fd = msvcrt.open_osfhandle(h, os.O_RDONLY)
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h = None
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os.close(fd)
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finally:
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if h:
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_winapi.CloseHandle(h)
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def test_get_osfhandle(self):
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with open(TESTFN, "w") as f:
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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
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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):
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# CREATE_NEW_CONSOLE creates a "popup" window.
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@requires_resource('gui')
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def run_in_separated_process(self, code):
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# Run test in a separated process to avoid stdin conflicts.
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# See: gh-110147
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cmd = [sys.executable, '-c', code]
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subprocess.run(cmd, check=True, capture_output=True,
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creationflags=subprocess.CREATE_NEW_CONSOLE)
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def test_kbhit(self):
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code = dedent('''
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import msvcrt
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assert msvcrt.kbhit() == 0
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''')
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self.run_in_separated_process(code)
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def test_getch(self):
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msvcrt.ungetch(b'c')
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self.assertEqual(msvcrt.getch(), b'c')
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def check_getwch(self, funcname):
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code = dedent(f'''
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import msvcrt
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from _testconsole import write_input
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with open("CONIN$", "rb", buffering=0) as stdin:
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write_input(stdin, {ascii(c_encoded)})
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assert msvcrt.{funcname}() == "{c}"
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''')
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self.run_in_separated_process(code)
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def test_getwch(self):
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self.check_getwch('getwch')
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def test_getche(self):
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msvcrt.ungetch(b'c')
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self.assertEqual(msvcrt.getche(), b'c')
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def test_getwche(self):
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self.check_getwch('getwche')
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def test_putch(self):
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msvcrt.putch(b'c')
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def test_putwch(self):
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msvcrt.putwch(c)
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class TestOther(unittest.TestCase):
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def test_heap_min(self):
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try:
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msvcrt.heapmin()
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except OSError:
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pass
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if __name__ == "__main__":
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unittest.main()
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