Python TestTerminal.inkey方法代码示例

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
def test_esc_delay_cbreak_timout_0():
    """esc_delay still in effect with timeout of 0 ("nonblocking")."""
    pid, master_fd = pty.fork()
    if pid is 0:  # child
        try:
            cov = __import__('cov_core_init').init()
        except ImportError:
            cov = None
        term = TestTerminal()
        os.write(sys.__stdout__.fileno(), SEMAPHORE)
        with term.cbreak():
            stime = time.time()
            inp = term.inkey(timeout=0)
            measured_time = (time.time() - stime) * 100
            os.write(sys.__stdout__.fileno(), (
                '%s %i' % (inp.name, measured_time,)).encode('ascii'))
            sys.stdout.flush()
        if cov is not None:
            cov.stop()
            cov.save()
        os._exit(0)

    with echo_off(master_fd):
        os.write(master_fd, u'\x1b'.encode('ascii'))
        read_until_semaphore(master_fd)
        stime = time.time()
        key_name, duration_ms = read_until_eof(master_fd).split()

    pid, status = os.waitpid(pid, 0)
    assert key_name == u'KEY_ESCAPE'
    assert os.WEXITSTATUS(status) == 0
    assert math.floor(time.time() - stime) == 0.0
    assert 35 <= int(duration_ms) <= 45, int(duration_ms)

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
def test_inkey_0s_cbreak_multibyte_utf8():
    "0-second inkey with multibyte utf-8 input; should decode immediately."
    # utf-8 bytes represent "latin capital letter upsilon".
    pid, master_fd = pty.fork()
    if pid is 0:  # child
        try:
            cov = __import__('cov_core_init').init()
        except ImportError:
            cov = None
        term = TestTerminal()
        read_until_semaphore(sys.__stdin__.fileno(), semaphore=SEMAPHORE)
        os.write(sys.__stdout__.fileno(), SEMAPHORE)
        with term.cbreak():
            inp = term.inkey(timeout=0)
            os.write(sys.__stdout__.fileno(), inp.encode('utf-8'))
        if cov is not None:
            cov.stop()
            cov.save()
        os._exit(0)

    with echo_off(master_fd):
        os.write(master_fd, SEND_SEMAPHORE)
        os.write(master_fd, u'\u01b1'.encode('utf-8'))
        read_until_semaphore(master_fd)
        stime = time.time()
        output = read_until_eof(master_fd)
    pid, status = os.waitpid(pid, 0)
    assert output == u'Ʊ'
    assert os.WEXITSTATUS(status) == 0
    assert math.floor(time.time() - stime) == 0.0

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
def test_inkey_1s_cbreak_input():
    "1-second inkey w/multibyte sequence; should return after ~1 second."
    pid, master_fd = pty.fork()
    if pid is 0:  # child
        try:
            cov = __import__('cov_core_init').init()
        except ImportError:
            cov = None
        term = TestTerminal()
        os.write(sys.__stdout__.fileno(), SEMAPHORE)
        with term.cbreak():
            inp = term.inkey(timeout=3)
            os.write(sys.__stdout__.fileno(), inp.name.encode('utf-8'))
            sys.stdout.flush()
        if cov is not None:
            cov.stop()
            cov.save()
        os._exit(0)

    with echo_off(master_fd):
        read_until_semaphore(master_fd)
        stime = time.time()
        time.sleep(1)
        os.write(master_fd, u'\x1b[C'.encode('ascii'))
        output = read_until_eof(master_fd)

    pid, status = os.waitpid(pid, 0)
    assert output == u'KEY_RIGHT'
    assert os.WEXITSTATUS(status) == 0
    assert math.floor(time.time() - stime) == 1.0

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
def test_inkey_0s_cbreak_input():
    "0-second inkey with input; Keypress should be immediately returned."
    pid, master_fd = pty.fork()
    if pid is 0:
        try:
            cov = __import__('cov_core_init').init()
        except ImportError:
            cov = None
        # child pauses, writes semaphore and begins awaiting input
        term = TestTerminal()
        read_until_semaphore(sys.__stdin__.fileno(), semaphore=SEMAPHORE)
        os.write(sys.__stdout__.fileno(), SEMAPHORE)
        with term.cbreak():
            inp = term.inkey(timeout=0)
            os.write(sys.__stdout__.fileno(), inp.encode('utf-8'))
        if cov is not None:
            cov.stop()
            cov.save()
        os._exit(0)

    with echo_off(master_fd):
        os.write(master_fd, SEND_SEMAPHORE)
        os.write(master_fd, u'x'.encode('ascii'))
        read_until_semaphore(master_fd)
        stime = time.time()
        output = read_until_eof(master_fd)

    pid, status = os.waitpid(pid, 0)
    assert output == u'x'
    assert os.WEXITSTATUS(status) == 0
    assert math.floor(time.time() - stime) == 0.0

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
 def child():
     term = TestTerminal(stream=StringIO.StringIO())
     with term.cbreak():
         stime = time.time()
         inp = term.inkey(timeout=1)
         assert (inp == u'')
         assert (math.floor(time.time() - stime) == 1.0)

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
def test_kbhit_interrupted_nonetype_no_continue():
    "kbhit() may be interrupted when _intr_continue=False with timeout None."
    pid, master_fd = pty.fork()
    if pid is 0:
        try:
            cov = __import__('cov_core_init').init()
        except ImportError:
            cov = None

        # child pauses, writes semaphore and begins awaiting input
        global got_sigwinch
        got_sigwinch = False

        def on_resize(sig, action):
            global got_sigwinch
            got_sigwinch = True

        term = TestTerminal()
        signal.signal(signal.SIGWINCH, on_resize)
        read_until_semaphore(sys.__stdin__.fileno(), semaphore=SEMAPHORE)
        os.write(sys.__stdout__.fileno(), SEMAPHORE)
        with term.raw():
            term.inkey(timeout=None, _intr_continue=False)
        os.write(sys.__stdout__.fileno(), b'complete')
        assert got_sigwinch is True
        if cov is not None:
            cov.stop()
            cov.save()
        os._exit(0)

    with echo_off(master_fd):
        os.write(master_fd, SEND_SEMAPHORE)
        read_until_semaphore(master_fd)
        stime = time.time()
        time.sleep(0.05)
        os.kill(pid, signal.SIGWINCH)
        os.write(master_fd, b'X')
        output = read_until_eof(master_fd)

    pid, status = os.waitpid(pid, 0)
    assert output == u'complete'
    assert os.WEXITSTATUS(status) == 0
    assert math.floor(time.time() - stime) == 0.0

# 需要导入模块: from accessories import TestTerminal [as 别名]
# 或者: from accessories.TestTerminal import inkey [as 别名]
def test_inkey_0s_raw_ctrl_c():
    "0-second inkey with raw allows receiving ^C."
    pid, master_fd = pty.fork()
    if pid is 0:  # child
        try:
            cov = __import__('cov_core_init').init()
        except ImportError:
            cov = None
        term = TestTerminal()
        read_until_semaphore(sys.__stdin__.fileno(), semaphore=SEMAPHORE)
        with term.raw():
            os.write(sys.__stdout__.fileno(), RECV_SEMAPHORE)
            inp = term.inkey(timeout=0)
            os.write(sys.__stdout__.fileno(), inp.encode('latin1'))
        if cov is not None:
            cov.stop()
            cov.save()
        os._exit(0)

    with echo_off(master_fd):
        os.write(master_fd, SEND_SEMAPHORE)
        # ensure child is in raw mode before sending ^C,
        read_until_semaphore(master_fd)
        os.write(master_fd, u'\x03'.encode('latin1'))
        stime = time.time()
        output = read_until_eof(master_fd)
    pid, status = os.waitpid(pid, 0)
    if os.environ.get('TRAVIS', None) is not None:
        # For some reason, setraw has no effect travis-ci,
        # is still accepts ^C, causing system exit on py26,
        # but exit 0 on py27, and either way on py33
        # .. strange, huh?
        assert output in (u'', u'\x03')
        assert os.WEXITSTATUS(status) in (0, 2)
    else:
        assert (output == u'\x03' or
                output == u'' and not os.isatty(0))
        assert os.WEXITSTATUS(status) == 0
    assert math.floor(time.time() - stime) == 0.0