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How to use test_greenlet_exception_logger method in locust

Best Python code snippet using locust

test_log.py

Source:test_log.py

...11from .util import temporary_file12class TestGreenletExceptionLogger(LocustTestCase):13    # Gevent outputs all unhandled exceptions to stderr, so we'll suppress that in this test14    @mock.patch("sys.stderr.write")15    def test_greenlet_exception_logger(self, mocked_stderr):16        self.assertFalse(log.unhandled_greenlet_exception)17        def thread():18            raise ValueError("Boom!?")19        logger = getLogger("greenlet_test_logger")20        g = gevent.spawn(thread)21        g.link_exception(greenlet_exception_logger(logger))22        g.join()23        self.assertEqual(1, len(self.mocked_log.critical))24        msg = self.mocked_log.critical[0]25        self.assertIn("Unhandled exception in greenlet: ", msg["message"])26        self.assertTrue(isinstance(msg["exc_info"][1], ValueError))27        self.assertIn("Boom!?", str(msg["exc_info"][1]))28        self.assertTrue(log.unhandled_greenlet_exception)29class TestLoggingOptions(LocustTestCase):...

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