Method setUp

tornado/test/asyncio_test.py:210–218

(self)

class AnyThreadEventLoopPolicyTest(unittest.TestCase):
    def setUp(self):
        setup_with_context_manager(self, ignore_deprecation())
        # Referencing the event loop policy attributes raises deprecation warnings,
        # so instead of importing this at the top of the file we capture it here.
        self.AnyThreadEventLoopPolicy = (
            tornado.platform.asyncio.AnyThreadEventLoopPolicy
        )
        self.orig_policy = asyncio.get_event_loop_policy()
        self.executor = ThreadPoolExecutor(1)

    def tearDown(self):
        asyncio.set_event_loop_policy(self.orig_policy)