Method test_start_already_running_exception

tests/test_engine.py:443–452

(self)

    @inline_callbacks_test
    def test_start_already_running_exception(self):
        crawler = get_crawler(DefaultSpider)
        crawler.spider = crawler._create_spider()
        e = ExecutionEngine(crawler, lambda _: None)
        crawler.engine = e
        yield deferred_from_coro(e.open_spider_async())
        _schedule_coro(e.start_async())
        with pytest.raises(RuntimeError, match="Engine already running"):
            yield deferred_from_coro(e.start_async())
        yield deferred_from_coro(e.stop_async())

    @pytest.mark.only_asyncio
    @coroutine_test