test_bugs.py 文件源码

def test_signal_failure(monkeypatch):
    import os
    import pty
    import signal
    from pyrepl.unix_console import UnixConsole

    def failing_signal(a, b):
        raise ValueError

    def really_failing_signal(a, b):
        raise AssertionError

    mfd, sfd = pty.openpty()
    try:
        c = UnixConsole(sfd, sfd)
        c.prepare()
        c.restore()
        monkeypatch.setattr(signal, 'signal', failing_signal)
        c.prepare()
        monkeypatch.setattr(signal, 'signal', really_failing_signal)
        c.restore()
    finally:
        os.close(mfd)
        os.close(sfd)