Method test_spawn_doesnt_hang

Lib/test/test_pty.py:303–323

(self)

    @unittest.skip('TODO: RUSTPYTHON; AttributeError: module "tty" has no attribute "tcgetwinsize"')
    def test_spawn_doesnt_hang(self):
        self.addCleanup(unlink, TESTFN)
        with open(TESTFN, 'wb') as f:
            STDOUT_FILENO = 1
            dup_stdout = os.dup(STDOUT_FILENO)
            os.dup2(f.fileno(), STDOUT_FILENO)
            buf = b''
            def master_read(fd):
                nonlocal buf
                data = os.read(fd, 1024)
                buf += data
                return data
            try:
                pty.spawn([sys.executable, '-c', 'print("hi there")'],
                          master_read)
            finally:
                os.dup2(dup_stdout, STDOUT_FILENO)
                os.close(dup_stdout)
        self.assertEqual(buf, b'hi there\r\n')
        with open(TESTFN, 'rb') as f:
            self.assertEqual(f.read(), b'hi there\r\n')

class SmallPtyTests(unittest.TestCase):
    """These tests don't spawn children or hang."""