def test_namespace(self, aggregator):
check = AgentCheck()
check.__NAMESPACE__ = 'test'
check.gauge('metric', 0)
aggregator.assert_metric('test.metric')
def test_metric_limit_instance_config_zero_unlimited(self, aggregator):
instances = [{"max_returned_metrics": 0}]
check = AgentCheck("test", {}, instances)
assert len(check.get_warnings()) == 0
for _ in range(0, 42):
check.gauge("metric", 0)
assert len(check.get_warnings()) == 0 # get_warnings resets the array
assert len(aggregator.metrics("metric")) == 42
def test_metric_limit_instance_config(self, aggregator):
instances = [{"max_returned_metrics": 42}]
check = AgentCheck("test", {}, instances)
assert check.get_warnings() == []
for _ in range(0, 42):
check.gauge("metric", 0)
assert len(check.get_warnings()) == 0
assert len(aggregator.metrics("metric")) == 42
check.gauge("metric", 0)
assert len(check.get_warnings()) == 1
assert len(aggregator.metrics("metric")) == 42
def test__build_similar_elements__metric_value(self, aggregator):
check = AgentCheck()
check.gauge('test.similar_metric1', 10)
check.gauge('test.similar_metric2', 20)
check.gauge('test.similar_metric3', 30)
expected_metric = MetricStub("test.my_metric", type=None, value=20, tags=None, hostname=None, device=None)
similar_metrics = similar._build_similar_elements(expected_metric, aggregator._metrics)
expected_most_similar_metric = similar_metrics[0][1]
print(similar_metrics)
assert expected_most_similar_metric.name == 'test.similar_metric2'
def test_metrics_filters(self, exclude_metrics_filters, include_metrics_filters, expected_metrics, aggregator):
instance = {
'metric_patterns': {
'exclude': exclude_metrics_filters,
'include': include_metrics_filters,
}
}
check = AgentCheck('myintegration', {}, [instance])
check.__NAMESPACE__ = 'ns'
check.gauge('my_metric', 0)
check.count('my_metric_count', 0)
check.count('test.my_metric1', 1)
check.monotonic_count('hello', 0)
check.service_check('test.can_check', status=AgentCheck.OK)
for metric_name in expected_metrics:
aggregator.assert_metric('ns.{}'.format(metric_name), count=1)
aggregator.assert_service_check('ns.test.can_check', status=AgentCheck.OK)
aggregator.assert_all_metrics_covered()
def test_build_similar_elements_msg(self, aggregator):
check = AgentCheck()
check.gauge('test.another_similar_metric', 0)
check.gauge('test.very_different_metric', 0)
check.gauge('test.most_similar_metric', 0)
check.gauge('test.very_very_different', 0)
expected_metric = MetricStub("test.similar_metric", None, None, None,
None)
actual_msg = similar.build_similar_elements_msg(
expected_metric, aggregator._metrics)
expected_msg = '''
Expected:
MetricStub(name='test.similar_metric', type=None, value=None, tags=None, hostname=None)
Similar submitted:
Score Most similar
0.88 MetricStub(name='test.most_similar_metric', type=0, value=0.0, tags=[], hostname='')
0.83 MetricStub(name='test.another_similar_metric', type=0, value=0.0, tags=[], hostname='')
0.62 MetricStub(name='test.very_different_metric', type=0, value=0.0, tags=[], hostname='')
0.42 MetricStub(name='test.very_very_different', type=0, value=0.0, tags=[], hostname='')
'''
assert expected_msg.strip() == actual_msg.strip(
), "Actual message:\n" + actual_msg
def test_assert_no_duplicate_message(aggregator):
check = AgentCheck()
check.gauge('check.metric.dup1', 1, tags=['aa'])
check.gauge('check.metric.dup1', 2, tags=['aa'])
check.gauge('check.metric.dup2', 3, tags=['aa'])
check.gauge('check.metric.dup2', 4, tags=['aa'])
check.gauge('check.metric.no_dup1', 5, tags=['aa'])
check.gauge('check.metric.no_dup2', 6, tags=['aa'])
actual_msg = ""
try:
aggregator.assert_no_duplicate_metrics()
except AssertionError as e:
actual_msg = str(e)
expected_msg = '''
Duplicate metrics found:
- check.metric.dup1
MetricStub(name='check.metric.dup1', type=0, value=1.0, tags=['aa'], hostname='')
MetricStub(name='check.metric.dup1', type=0, value=2.0, tags=['aa'], hostname='')
- check.metric.dup2
MetricStub(name='check.metric.dup2', type=0, value=3.0, tags=['aa'], hostname='')
MetricStub(name='check.metric.dup2', type=0, value=4.0, tags=['aa'], hostname='')
'''
print("\n===\n{}\n===\n".format(expected_msg.strip()))
print("\n===\n{}\n===\n".format(actual_msg.strip()))
assert expected_msg.strip() == actual_msg.split("assert")[0].strip()
def test_build_similar_elements_msg(self, aggregator):
check = AgentCheck()
check.gauge('test.another_similar_metric', 0)
check.gauge('test.very_different_metric', 0)
check.gauge('test.most_similar_metric', 0)
check.gauge('test.very_very_different', 0)
expected_metric = MetricStub("test.similar_metric", None, None, None,
None, None)
actual_msg = similar.build_similar_elements_msg(
expected_metric, aggregator._metrics).strip()
expected_msg = '''
Expected:
MetricStub(name='test.similar_metric', type=None, value=None, tags=None, hostname=None, device=None, flush_first_value=None)
Similar submitted:
Score Most similar
0.88 MetricStub(name='test.most_similar_metric', type=0, value=0.0, tags=[], hostname='', device=None, flush_first_value=False)
0.83 MetricStub(name='test.another_similar_metric', type=0, value=0.0, tags=[], hostname='', device=None, flush_first_value=False)
0.62 MetricStub(name='test.very_different_metric', type=0, value=0.0, tags=[], hostname='', device=None, flush_first_value=False)
0.42 MetricStub(name='test.very_very_different', type=0, value=0.0, tags=[], hostname='', device=None, flush_first_value=False)
'''.strip() # noqa: E501
delta = difflib.ndiff([expected_msg], [actual_msg])
assert expected_msg == actual_msg, delta
def test_assert_no_duplicate_message(aggregator):
check = AgentCheck()
check.gauge('check.metric.dup1', 1, tags=['aa'])
check.gauge('check.metric.dup1', 2, tags=['aa'])
check.gauge('check.metric.dup2', 3, tags=['aa'])
check.gauge('check.metric.dup2', 4, tags=['aa'])
check.gauge('check.metric.no_dup1', 5, tags=['aa'])
check.gauge('check.metric.no_dup2', 6, tags=['aa'])
actual_msg = " "
try:
aggregator.assert_no_duplicate_metrics()
except AssertionError as e:
actual_msg += str(e).split("assert")[0].lstrip()
actual_msg = dedent(actual_msg)
expected_msg = '''
Duplicate metrics found:
- check.metric.dup1
MetricStub(name='check.metric.dup1', type=0, value=1.0, tags=['aa'], hostname='', device=None, flush_first_value=False)
MetricStub(name='check.metric.dup1', type=0, value=2.0, tags=['aa'], hostname='', device=None, flush_first_value=False)
- check.metric.dup2
MetricStub(name='check.metric.dup2', type=0, value=3.0, tags=['aa'], hostname='', device=None, flush_first_value=False)
MetricStub(name='check.metric.dup2', type=0, value=4.0, tags=['aa'], hostname='', device=None, flush_first_value=False)
''' # noqa: E501
assert expected_msg.strip() == actual_msg.strip()
def test__build_similar_elements__metric_hostname(self, aggregator):
check = AgentCheck()
check.gauge('test.similar_metric2', 10, hostname='less_similar_host')
check.gauge('test.similar_metric1', 10, hostname='similar_host')
check.gauge('test.similar_metric3', 10, hostname='different')
expected_metric = MetricStub(
"test.test.similar_metric", type=None, value=10, tags=None, hostname='similar_host', device=None
)
similar_metrics = similar._build_similar_elements(expected_metric, aggregator._metrics)
# expect similar metrics in a similarity order
assert similar_metrics[0][1].name == 'test.similar_metric1'
assert similar_metrics[1][1].name == 'test.similar_metric2'
assert similar_metrics[2][1].name == 'test.similar_metric3'
def test__build_similar_elements__metric_name(self, aggregator):
check = AgentCheck()
check.gauge('test.another_similar_metric', 0)
check.gauge('test.very_different_metric', 0)
check.gauge('test.most_similar_metric', 0)
check.gauge('test.very_very_different', 0)
expected_metric = MetricStub(
"test.similar_metric", type=None, value=None, tags=None, hostname=None, device=None
)
similar_metrics = similar._build_similar_elements(expected_metric, aggregator._metrics)
expected_most_similar_metric = similar_metrics[0][1]
expected_second_most_similar_metric = similar_metrics[1][1]
assert expected_most_similar_metric.name == 'test.most_similar_metric'
assert expected_second_most_similar_metric.name == 'test.another_similar_metric'
def test__build_similar_elements__metric_tags(self, aggregator):
check = AgentCheck()
check.gauge('test.similar_metric2', 10, tags=['name:less_similar_tag'])
check.gauge('test.similar_metric1', 10, tags=['name:similar_tag'])
check.gauge('test.similar_metric3', 10, tags=['something:different'])
expected_metric = MetricStub("test.test.similar_metric",
type=None,
value=10,
tags=['name:similar_tag'],
hostname=None)
similar_metrics = similar._build_similar_elements(
expected_metric, aggregator._metrics)
# expect similar metrics in a similarity order
assert similar_metrics[0][1].name == 'test.similar_metric1'
assert similar_metrics[1][1].name == 'test.similar_metric2'
assert similar_metrics[2][1].name == 'test.similar_metric3'
def test_non_float_metric(self, aggregator):
check = AgentCheck()
metric_name = 'test_metric'
with pytest.raises(ValueError):
check.gauge(metric_name, '85k')
aggregator.assert_metric(metric_name, count=0)
