def test_popen(self): command = """if 1: import sys s = sys.stdin.readline() sys.stdout.write(s.upper()) sys.stderr.write('stderr') """ msg = b'blah\n' p = windows_utils.Popen([sys.executable, '-c', command], stdin=windows_utils.PIPE, stdout=windows_utils.PIPE, stderr=windows_utils.PIPE) for f in [p.stdin, p.stdout, p.stderr]: self.assertIsInstance(f, windows_utils.PipeHandle) ovin = _overlapped.Overlapped() ovout = _overlapped.Overlapped() overr = _overlapped.Overlapped() ovin.WriteFile(p.stdin.handle, msg) ovout.ReadFile(p.stdout.handle, 100) overr.ReadFile(p.stderr.handle, 100) events = [ovin.event, ovout.event, overr.event] res = _winapi.WaitForMultipleObjects(events, True, 10000) self.assertEqual(res, _winapi.WAIT_OBJECT_0) self.assertFalse(ovout.pending) self.assertFalse(overr.pending) self.assertFalse(ovin.pending) self.assertEqual(ovin.getresult(), len(msg)) out = ovout.getresult().rstrip() err = overr.getresult().rstrip() self.assertGreater(len(out), 0) self.assertGreater(len(err), 0) self.assertTrue(msg.upper().rstrip().startswith(out)) self.assertTrue(b'stderr'.startswith(err)) with p: pass
def test_popen(self): command = r"""if 1: import sys s = sys.stdin.readline() sys.stdout.write(s.upper()) sys.stderr.write('stderr') """ msg = b"blah\n" p = windows_utils.Popen( [sys.executable, '-c', command], stdin=windows_utils.PIPE, stdout=windows_utils.PIPE, stderr=windows_utils.PIPE ) for f in [p.stdin, p.stdout, p.stderr]: self.assertIsInstance(f, windows_utils.PipeHandle) ovin = _overlapped.Overlapped() ovout = _overlapped.Overlapped() overr = _overlapped.Overlapped() ovin.WriteFile(p.stdin.handle, msg) ovout.ReadFile(p.stdout.handle, 100) overr.ReadFile(p.stderr.handle, 100) events = [ovin.event, ovout.event, overr.event] # Super-long timeout for slow buildbots. res = _winapi.WaitForMultipleObjects(events, True, 10000) self.assertEqual(res, _winapi.WAIT_OBJECT_0) self.assertFalse(ovout.pending) self.assertFalse(overr.pending) self.assertFalse(ovin.pending) self.assertEqual(ovin.getresult(), len(msg)) out = ovout.getresult().rstrip() err = overr.getresult().rstrip() self.assertGreater(len(out), 0) self.assertGreater(len(err), 0) # allow for partial reads... self.assertTrue(msg.upper().rstrip().startswith(out)) self.assertTrue(b"stderr".startswith(err)) # The context manager calls wait() and closes resources with p: pass