| # Test to see if openpty works. (But don't worry if it isn't available.) |
| |
| import os, unittest |
| |
| if not hasattr(os, "openpty"): |
| raise unittest.SkipTest("os.openpty() not available.") |
| |
| |
| class OpenptyTest(unittest.TestCase): |
| def test(self): |
| master, slave = os.openpty() |
| self.addCleanup(os.close, master) |
| self.addCleanup(os.close, slave) |
| if not os.isatty(slave): |
| self.fail("Slave-end of pty is not a terminal.") |
| |
| os.write(slave, b'Ping!') |
| self.assertEqual(os.read(master, 1024), b'Ping!') |
| |
| if __name__ == '__main__': |
| unittest.main() |