class TestGauge(unittest.TestCase):
def setUp(self):
self.registry = CollectorRegistry()
self.gauge = Gauge('g', 'help', registry=self.registry)
def test_gauge(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(1, self.registry.get_sample_value('g'))
self.gauge.dec(3)
self.assertEqual(-2, self.registry.get_sample_value('g'))
self.gauge.set(9)
self.assertEqual(9, self.registry.get_sample_value('g'))
def test_inprogress_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.track_inprogress()
def f():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(([], None, None, None), inspect.getargspec(f))
f()
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_inprogress_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.track_inprogress():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_gauge_function(self):
x = {}
self.gauge.set_function(lambda: len(x))
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(0, self.registry.get_sample_value('g'))
x['a'] = None
self.assertEqual(1, self.registry.get_sample_value('g'))
def test_time_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.time()
def f():
time.sleep(.001)
self.assertEqual(([], None, None, None), inspect.getargspec(f))
f()
self.assertNotEqual(0, self.registry.get_sample_value('g'))
def test_time_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.time():
time.sleep(.001)
self.assertNotEqual(0, self.registry.get_sample_value('g'))
class TestGauge(unittest.TestCase):
def setUp(self):
self.registry = CollectorRegistry()
self.gauge = Gauge('g', 'help', registry=self.registry)
def test_gauge(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(1, self.registry.get_sample_value('g'))
self.gauge.dec(3)
self.assertEqual(-2, self.registry.get_sample_value('g'))
self.gauge.set(9)
self.assertEqual(9, self.registry.get_sample_value('g'))
def test_inprogress_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.track_inprogress()
def f():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(([], None, None, None), inspect.getargspec(f))
f()
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_inprogress_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.track_inprogress():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_gauge_function(self):
x = {}
self.gauge.set_function(lambda: len(x))
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(0, self.registry.get_sample_value('g'))
x['a'] = None
self.assertEqual(1, self.registry.get_sample_value('g'))
def test_time_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.time()
def f():
time.sleep(.001)
self.assertEqual(([], None, None, None), inspect.getargspec(f))
f()
self.assertNotEqual(0, self.registry.get_sample_value('g'))
def test_function_decorator_multithread(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
workers = 2
pool = ThreadPoolExecutor(max_workers=workers)
@self.gauge.time()
def f(duration):
time.sleep(duration)
expected_duration = 1
pool.submit(f, expected_duration)
time.sleep(0.7 * expected_duration)
pool.submit(f, expected_duration * 2)
time.sleep(expected_duration)
rounding_coefficient = 0.9
adjusted_expected_duration = expected_duration * rounding_coefficient
self.assertLess(adjusted_expected_duration,
self.registry.get_sample_value('g'))
pool.shutdown(wait=True)
def test_time_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.time():
time.sleep(.001)
self.assertNotEqual(0, self.registry.get_sample_value('g'))
class TestGauge(unittest.TestCase):
def setUp(self):
self.registry = CollectorRegistry()
self.gauge = Gauge('g', 'help', registry=self.registry)
def test_repr(self):
self.assertEqual(repr(self.gauge), "prometheus_client.metrics.Gauge(g)")
def test_gauge(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(1, self.registry.get_sample_value('g'))
self.gauge.dec(3)
self.assertEqual(-2, self.registry.get_sample_value('g'))
self.gauge.set(9)
self.assertEqual(9, self.registry.get_sample_value('g'))
def test_inprogress_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.track_inprogress()
def f():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(([], None, None, None), getargspec(f))
f()
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_inprogress_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.track_inprogress():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_gauge_function(self):
x = {}
self.gauge.set_function(lambda: len(x))
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(0, self.registry.get_sample_value('g'))
x['a'] = None
self.assertEqual(1, self.registry.get_sample_value('g'))
def test_time_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.time()
def f():
time.sleep(.001)
self.assertEqual(([], None, None, None), getargspec(f))
f()
self.assertNotEqual(0, self.registry.get_sample_value('g'))
def test_function_decorator_multithread(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
workers = 2
pool = ThreadPoolExecutor(max_workers=workers)
@self.gauge.time()
def f(duration):
time.sleep(duration)
expected_duration = 1
pool.submit(f, expected_duration)
time.sleep(0.7 * expected_duration)
pool.submit(f, expected_duration * 2)
time.sleep(expected_duration)
rounding_coefficient = 0.9
adjusted_expected_duration = expected_duration * rounding_coefficient
self.assertLess(adjusted_expected_duration, self.registry.get_sample_value('g'))
pool.shutdown(wait=True)
def test_time_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.time():
time.sleep(.001)
self.assertNotEqual(0, self.registry.get_sample_value('g'))
def test_track_in_progress_not_observable(self):
g = Gauge('test', 'help', labelnames=('label',), registry=self.registry)
try:
g.track_inprogress()
except ValueError as e:
self.assertIn('missing label values', str(e))
def test_timer_not_observable(self):
g = Gauge('test', 'help', labelnames=('label',), registry=self.registry)
try:
g.time()
except ValueError as e:
self.assertIn('missing label values', str(e))
class TestGauge(unittest.TestCase):
def setUp(self):
self.registry = CollectorRegistry()
self.gauge = Gauge('g', 'help', registry=self.registry)
self.gauge_with_label = Gauge('g2', 'help', labelnames=("label1",), registry=self.registry)
def test_repr(self):
self.assertEqual(repr(self.gauge), "prometheus_client.metrics.Gauge(g)")
def test_gauge(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(1, self.registry.get_sample_value('g'))
self.gauge.dec(3)
self.assertEqual(-2, self.registry.get_sample_value('g'))
self.gauge.set(9)
self.assertEqual(9, self.registry.get_sample_value('g'))
def test_inc_not_observable(self):
""".inc() must fail if the gauge is not observable."""
assert_not_observable(self.gauge_with_label.inc)
def test_dec_not_observable(self):
""".dec() must fail if the gauge is not observable."""
assert_not_observable(self.gauge_with_label.dec)
def test_set_not_observable(self):
""".set() must fail if the gauge is not observable."""
assert_not_observable(self.gauge_with_label.set, 1)
def test_inprogress_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.track_inprogress()
def f():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(([], None, None, None), getargspec(f))
f()
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_inprogress_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.track_inprogress():
self.assertEqual(1, self.registry.get_sample_value('g'))
self.assertEqual(0, self.registry.get_sample_value('g'))
def test_gauge_function(self):
x = {}
self.gauge.set_function(lambda: len(x))
self.assertEqual(0, self.registry.get_sample_value('g'))
self.gauge.inc()
self.assertEqual(0, self.registry.get_sample_value('g'))
x['a'] = None
self.assertEqual(1, self.registry.get_sample_value('g'))
def test_set_function_not_observable(self):
""".set_function() must fail if the gauge is not observable."""
assert_not_observable(self.gauge_with_label.set_function, lambda: 1)
def test_time_function_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
@self.gauge.time()
def f():
time.sleep(.001)
self.assertEqual(([], None, None, None), getargspec(f))
f()
self.assertNotEqual(0, self.registry.get_sample_value('g'))
def test_function_decorator_multithread(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
workers = 2
pool = ThreadPoolExecutor(max_workers=workers)
@self.gauge.time()
def f(duration):
time.sleep(duration)
expected_duration = 1
pool.submit(f, expected_duration)
time.sleep(0.7 * expected_duration)
pool.submit(f, expected_duration * 2)
time.sleep(expected_duration)
rounding_coefficient = 0.9
adjusted_expected_duration = expected_duration * rounding_coefficient
self.assertLess(adjusted_expected_duration, self.registry.get_sample_value('g'))
pool.shutdown(wait=True)
def test_time_block_decorator(self):
self.assertEqual(0, self.registry.get_sample_value('g'))
with self.gauge.time():
time.sleep(.001)
self.assertNotEqual(0, self.registry.get_sample_value('g'))
def test_time_block_decorator_with_label(self):
value = self.registry.get_sample_value
self.assertEqual(None, value('g2', {'label1': 'foo'}))
with self.gauge_with_label.time() as metric:
metric.labels('foo')
self.assertLess(0, value('g2', {'label1': 'foo'}))
def test_track_in_progress_not_observable(self):
g = Gauge('test', 'help', labelnames=('label',), registry=self.registry)
assert_not_observable(g.track_inprogress)
def test_timer_not_observable(self):
g = Gauge('test', 'help', labelnames=('label',), registry=self.registry)
def manager():
with g.time():
pass
assert_not_observable(manager)