Function test_postcmd_exception_first

tests/test_plugin.py:755–779

(capsys)

def test_postcmd_exception_first(capsys) -> None:
    app = PluggedApp()
    app.register_postcmd_hook(app.postcmd_hook_exception)
    stop = app.onecmd_plus_hooks("say hello")
    out, err = capsys.readouterr()
    assert not stop
    assert out == "hello\n"
    assert err
    # since the registered hooks are called before postcmd(), if a registered
    # hook throws an exception, postcmd() is never called. So we should have
    # a count of one because we called the hook that raised the exception
    assert app.called_postcmd == 1

    # register another function but it shouldn't be called
    app.reset_counters()
    stop = app.register_postcmd_hook(app.postcmd_hook)
    app.onecmd_plus_hooks("say hello")
    out, err = capsys.readouterr()
    assert not stop
    assert out == "hello\n"
    assert err
    # the exception raised by the first hook should prevent the second
    # hook from being called, and it also prevents postcmd() from being
    # called
    assert app.called_postcmd == 1


def test_postcmd_exception_second(capsys) -> None: