This repository has been archived on 2020-03-24. You can view files and clone it, but cannot push or open issues or pull requests.
quay/util/metrics/test/test_metricqueue.py
2019-11-12 11:09:47 -05:00

58 lines
1.5 KiB
Python

import time
import pytest
from mock import Mock
from trollius import coroutine, Return, get_event_loop, From
from util.metrics.metricqueue import duration_collector_async
mock_histogram = Mock()
class NonReturn(Exception):
pass
@coroutine
@duration_collector_async(mock_histogram, labelvalues=["testlabel"])
def duration_decorated():
time.sleep(1)
raise Return("fin")
@coroutine
@duration_collector_async(mock_histogram, labelvalues=["testlabel"])
def duration_decorated_error():
raise NonReturn("not a Return error")
@coroutine
def calls_decorated():
yield From(duration_decorated())
def test_duration_decorator():
loop = get_event_loop()
loop.run_until_complete(duration_decorated())
assert mock_histogram.Observe.called
assert 1 - mock_histogram.Observe.call_args[0][0] < 1 # duration should be close to 1s
assert mock_histogram.Observe.call_args[1]["labelvalues"] == ["testlabel"]
def test_duration_decorator_error():
loop = get_event_loop()
mock_histogram.reset_mock()
with pytest.raises(NonReturn):
loop.run_until_complete(duration_decorated_error())
assert not mock_histogram.Observe.called
def test_duration_decorator_caller():
mock_histogram.reset_mock()
loop = get_event_loop()
loop.run_until_complete(calls_decorated())
assert mock_histogram.Observe.called
assert 1 - mock_histogram.Observe.call_args[0][0] < 1 # duration should be close to 1s
assert mock_histogram.Observe.call_args[1]["labelvalues"] == ["testlabel"]