def setUp(self):
self.twisted_clock = Clock()
self.registry = MetricsRegistry(clock=self.twisted_clock.seconds)
def setUp(self):
self.twisted_clock = Clock()
self.registry = MetricsRegistry(clock=self.twisted_clock.seconds)
class MetricsRegistryTests(TestCase):
def setUp(self):
self.twisted_clock = Clock()
self.registry = MetricsRegistry(clock=self.twisted_clock.seconds)
def test_empty_registry(self):
self.assertEqual(len(self.registry.dump_metrics()), 0)
def test_getters_create_metrics(self):
self.registry.counter("counter")
self.registry.histogram("histogram")
self.registry.meter("meter")
self.registry.timer("timer")
dump = self.registry.dump_metrics()
self.assertEqual(len(dump), 25)
metric_names = ("counter_count", "histogram_avg", "histogram_max",
"histogram_min", "histogram_std_dev",
"histogram_75_percentile", "histogram_98_percentile",
"histogram_99_percentile", "histogram_999_percentile",
"meter_15m_rate", "meter_5m_rate", "meter_1m_rate",
"meter_mean_rate", "timer_avg", "timer_max",
"timer_min", "timer_std_dev", "timer_75_percentile",
"timer_98_percentile", "timer_99_percentile",
"timer_999_percentile", "timer_15m_rate",
"timer_5m_rate", "timer_1m_rate", "timer_mean_rate")
for stat in dump:
self.assertTrue(stat["name"] in metric_names)
self.assertEqual(stat["value"], 0)
def test_count_calls_decorator(self):
@count_calls
def test():
pass
for i in xrange(10):
test()
self.assertEqual(counter("test_calls").get_count(), 10)
@mock.patch("yunomi.core.meter.time")
def test_meter_calls_decorator(self, time_mock):
time_mock.return_value = 0
@meter_calls
def test():
pass
for i in xrange(10):
test()
time_mock.return_value = 10
self.assertAlmostEqual(meter("test_calls").get_mean_rate(), 1.0)
def test_hist_calls_decorator(self):
@hist_calls
def test(n):
return n
for i in xrange(1, 11):
test(i)
_histogram = histogram("test_calls")
snapshot = _histogram.get_snapshot()
self.assertAlmostEqual(_histogram.get_mean(), 5.5)
self.assertEqual(_histogram.get_max(), 10)
self.assertEqual(_histogram.get_min(), 1)
self.assertAlmostEqual(_histogram.get_std_dev(), 3.02765, places=5)
self.assertAlmostEqual(_histogram.get_variance(), 9.16667, places=5)
self.assertAlmostEqual(snapshot.get_75th_percentile(), 8.25)
self.assertAlmostEqual(snapshot.get_98th_percentile(), 10.0)
self.assertAlmostEqual(snapshot.get_99th_percentile(), 10.0)
self.assertAlmostEqual(snapshot.get_999th_percentile(), 10.0)
@mock.patch("yunomi.core.metrics_registry.time")
def test_time_calls_decorator(self, time_mock):
time_mock.return_value = 0.0
@time_calls
def test():
time_mock.return_value += 1.0
for i in xrange(10):
test()
_timer = timer("test_calls")
snapshot = _timer.get_snapshot()
self.assertEqual(_timer.get_count(), 10)
self.assertEqual(_timer.get_max(), 1)
self.assertEqual(_timer.get_min(), 1)
self.assertAlmostEqual(_timer.get_std_dev(), 0)
self.assertAlmostEqual(snapshot.get_75th_percentile(), 1.0)
self.assertAlmostEqual(snapshot.get_98th_percentile(), 1.0)
self.assertAlmostEqual(snapshot.get_99th_percentile(), 1.0)
self.assertAlmostEqual(snapshot.get_999th_percentile(), 1.0)
def test_count_calls_decorator_returns_original_return_value(self):
@count_calls
def test():
return 1
self.assertEqual(test(), 1)
def test_meter_calls_decorator_returns_original_return_value(self):
@meter_calls
def test():
return 1
self.assertEqual(test(), 1)
def test_hist_calls_decorator_returns_original_return_value(self):
@hist_calls
def test():
return 1
self.assertEqual(test(), 1)
def test_time_calls_decorator_returns_original_return_value(self):
@time_calls
def test():
return 1
self.assertEqual(test(), 1)
def test_count_calls_decorator_keeps_function_name(self):
@count_calls
def test():
pass
self.assertEqual(test.__name__, 'test')
def test_meter_calls_decorator_keeps_function_name(self):
@meter_calls
def test():
pass
self.assertEqual(test.__name__, 'test')
def test_hist_calls_decorator_keeps_function_name(self):
@hist_calls
def test():
pass
self.assertEqual(test.__name__, 'test')
def test_time_calls_decorator_keeps_function_name(self):
@time_calls
def test():
pass
self.assertEqual(test.__name__, 'test')
def test_count_calls_decorator_propagates_errors(self):
@count_calls
def test():
raise Exception('what')
self.assertRaises(Exception, test)
def test_meter_calls_decorator_propagates_errors(self):
@meter_calls
def test():
raise Exception('what')
self.assertRaises(Exception, test)
def test_hist_calls_decorator_propagates_errors(self):
@hist_calls
def test():
raise Exception('what')
self.assertRaises(Exception, test)
def test_time_calls_decorator_propagates_errors(self):
@time_calls
def test():
raise Exception('what')
self.assertRaises(Exception, test)
class MetricsRegistryTests(TestCase):
def setUp(self):
self.twisted_clock = Clock()
self.registry = MetricsRegistry(clock=self.twisted_clock.seconds)
def test_empty_registry(self):
self.assertEqual(len(self.registry.dump_metrics()), 0)
def test_getters_create_metrics(self):
self.registry.counter("counter")
self.registry.histogram("histogram")
self.registry.meter("meter")
self.registry.timer("timer")
dump = self.registry.dump_metrics()
self.assertEqual(len(dump), 25)
metric_names = ("counter_count", "histogram_avg", "histogram_max",
"histogram_min", "histogram_std_dev",
"histogram_75_percentile", "histogram_98_percentile",
"histogram_99_percentile", "histogram_999_percentile",
"meter_15m_rate", "meter_5m_rate", "meter_1m_rate",
"meter_mean_rate", "timer_avg", "timer_max",
"timer_min", "timer_std_dev", "timer_75_percentile",
"timer_98_percentile", "timer_99_percentile",
"timer_999_percentile", "timer_15m_rate",
"timer_5m_rate", "timer_1m_rate", "timer_mean_rate")
for stat in dump:
self.assertTrue(stat["name"] in metric_names)
self.assertEqual(stat["value"], 0)
def test_count_calls_decorator(self):
@count_calls
def test():
pass
for i in xrange(10):
test()
self.assertEqual(counter("test_calls").get_count(), 10)
@mock.patch("yunomi.core.meter.time")
def test_meter_calls_decorator(self, time_mock):
time_mock.return_value = 0
@meter_calls
def test():
pass
for i in xrange(10):
test()
time_mock.return_value = 10
self.assertAlmostEqual(meter("test_calls").get_mean_rate(), 1.0)
def test_hist_calls_decorator(self):
@hist_calls
def test(n):
return n
for i in xrange(1, 11):
test(i)
_histogram = histogram("test_calls")
snapshot = _histogram.get_snapshot()
self.assertAlmostEqual(_histogram.get_mean(), 5.5)
self.assertEqual(_histogram.get_max(), 10)
self.assertEqual(_histogram.get_min(), 1)
self.assertAlmostEqual(_histogram.get_std_dev(), 3.02765, places=5)
self.assertAlmostEqual(_histogram.get_variance(), 9.16667, places=5)
self.assertAlmostEqual(snapshot.get_75th_percentile(), 8.25)
self.assertAlmostEqual(snapshot.get_98th_percentile(), 10.0)
self.assertAlmostEqual(snapshot.get_99th_percentile(), 10.0)
self.assertAlmostEqual(snapshot.get_999th_percentile(), 10.0)
@mock.patch("yunomi.core.metrics_registry.time")
def test_time_calls_decorator(self, time_mock):
time_mock.return_value = 0.0
@time_calls
def test():
time_mock.return_value += 1.0
for i in xrange(10):
test()
_timer = timer("test_calls")
snapshot = _timer.get_snapshot()
self.assertEqual(_timer.get_count(), 10)
self.assertEqual(_timer.get_max(), 1)
self.assertEqual(_timer.get_min(), 1)
self.assertAlmostEqual(_timer.get_std_dev(), 0)
self.assertAlmostEqual(snapshot.get_75th_percentile(), 1.0)
self.assertAlmostEqual(snapshot.get_98th_percentile(), 1.0)
self.assertAlmostEqual(snapshot.get_99th_percentile(), 1.0)
self.assertAlmostEqual(snapshot.get_999th_percentile(), 1.0)
