ioloop_test.py 文件源码

python
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项目:My-Web-Server-Framework-With-Python2.7 作者: syjsu 项目源码 文件源码
def test_handle_callback_exception(self):
        # IOLoop.handle_callback_exception can be overridden to catch
        # exceptions in callbacks.
        def handle_callback_exception(callback):
            self.assertIs(sys.exc_info()[0], ZeroDivisionError)
            self.stop()
        self.io_loop.handle_callback_exception = handle_callback_exception
        with NullContext():
            # remove the test StackContext that would see this uncaught
            # exception as a test failure.
            self.io_loop.add_callback(lambda: 1 / 0)
        self.wait()
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