62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
import time
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import unittest
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from mock import Mock
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from trollius import coroutine, Return, get_event_loop, From
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from util.metrics.metricqueue import duration_collector_async
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mock_histogram = Mock()
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class NonReturn(Exception):
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pass
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@coroutine
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@duration_collector_async(mock_histogram, labelvalues=["testlabel"])
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def duration_decorated():
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time.sleep(1)
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raise Return("fin")
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@coroutine
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@duration_collector_async(mock_histogram, labelvalues=["testlabel"])
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def duration_decorated_error():
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raise NonReturn("not a Return error")
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@coroutine
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def calls_decorated():
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yield From(duration_decorated())
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class DurationDecoratorTestCase(unittest.TestCase):
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def __init__(self, *args, **kwargs):
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self.etcd_client_mock = None
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self.loop = get_event_loop()
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super(DurationDecoratorTestCase, self).__init__(*args, **kwargs)
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def test_duration_decorator(self):
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self.loop.run_until_complete(duration_decorated())
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assert mock_histogram.Observe.called
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assert 1 - mock_histogram.Observe.call_args[0][0] < 1 # duration should be close to 1s
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assert mock_histogram.Observe.call_args[1]["labelvalues"] == ["testlabel"]
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def test_duration_decorator_error(self):
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mock_histogram.reset_mock()
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with self.assertRaises(NonReturn):
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self.loop.run_until_complete(duration_decorated_error())
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assert not mock_histogram.Observe.called
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def test_duration_decorator_caller(self):
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mock_histogram.reset_mock()
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self.loop.run_until_complete(calls_decorated())
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assert mock_histogram.Observe.called
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assert 1 - mock_histogram.Observe.call_args[0][0] < 1 # duration should be close to 1s
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assert mock_histogram.Observe.call_args[1]["labelvalues"] == ["testlabel"]
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if __name__ == '__main__':
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unittest.main()
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