Function test_preloop_hooks

tests/test_plugin.py:318–330

(capsys)

def test_preloop_hooks(capsys) -> None:
    # Need to patch sys.argv so cmd2 doesn't think it was called with arguments equal to the py.test args
    testargs = ["prog", "say hello", "quit"]

    with mock.patch.object(sys, "argv", testargs):
        app = PluggedApp()

    app.register_preloop_hook(app.prepost_hook_one)
    app.register_preloop_hook(app.prepost_hook_two)
    app.cmdloop()
    out, err = capsys.readouterr()
    assert out == "one\ntwo\nhello\n"
    assert not err


def test_register_postloop_hook_too_many_parameters() -> None: