def test_create(self, mock_kernel32):
mock_kernel32.CreateNamedPipeW.return_value = NamedPipeWindows.INVALID_HANDLE_VALUE
mock_kernel32.GetLastError.return_value = 12345
with self.assertRaises(OSError) as cm:
NamedPipeWindows()
self.assertEqual(str(cm.exception), "Named pipe error code 0x00003039")
self.assertEqual(mock_kernel32.CreateNamedPipeW.call_args[0][1:],
(0x00000002, 0x00000000, 255, 8192, 8192, 0, None))
def test_named_pipe(self):
pipe = NamedPipeWindows()
reader = ReadNamedPipeThreadWindows(pipe)
reader.start()
pipe.open()
self.assertEqual(pipe.write(b"foo"), 3)
self.assertEqual(pipe.write(b"bar"), 3)
self.assertEqual(pipe.write(b"\0"), 1)
reader.done.wait(4000)
self.assertEqual(reader.error, None)
self.assertEqual(reader.data, b"foobar")
self.assertFalse(reader.is_alive())
pipe.close()
def test_close_before_open(self):
pipe = NamedPipeWindows()
handle = windll.kernel32.CreateFileW(str(pipe.path), GENERIC_READ, 0, None, OPEN_EXISTING, 0, None)
self.assertNotEqual(handle, NamedPipeWindows.INVALID_HANDLE_VALUE)
windll.kernel32.CloseHandle(handle)
pipe.close()
handle = windll.kernel32.CreateFileW(str(pipe.path), GENERIC_READ, 0, None, OPEN_EXISTING, 0, None)
self.assertEqual(handle, NamedPipeWindows.INVALID_HANDLE_VALUE)
# closing twice doesn't raise
pipe.close()