Method setUp

tornado/test/ioloop_test.py:448–451

(self)

# automatically set as current.
class TestIOLoopCurrent(unittest.TestCase):
    def setUp(self):
        setup_with_context_manager(self, ignore_deprecation())
        self.io_loop = None  # type: typing.Optional[IOLoop]
        IOLoop.clear_current()

    def tearDown(self):
        if self.io_loop is not None: