def test_metrics_not_collected_if_zero_and_reset():
m = MetricsSet(MetricsRegistry(0, lambda x: None))
counter = m.counter("counter", reset_on_collect=False)
resetting_counter = m.counter("resetting_counter", reset_on_collect=True)
gauge = m.gauge("gauge", reset_on_collect=False)
resetting_gauge = m.gauge("resetting_gauge", reset_on_collect=True)
timer = m.timer("timer", reset_on_collect=False)
resetting_timer = m.timer("resetting_timer", reset_on_collect=True)
counter.inc(), resetting_counter.inc()
gauge.val = 5
resetting_gauge.val = 5
timer.update(1, 1)
resetting_timer.update(1, 1)
data = list(m.collect())
more_data = list(m.collect())
assert set(data[0]["samples"].keys()) == {
"counter",
"resetting_counter",
"gauge",
"resetting_gauge",
"timer.count",
"timer.sum.us",
"resetting_timer.count",
"resetting_timer.sum.us",
}
assert set(more_data[0]["samples"].keys()) == {"counter", "gauge", "timer.count", "timer.sum.us"}
def test_metric_limit(caplog, elasticapm_client):
m = MetricsSet(MetricsRegistry(elasticapm_client))
with caplog.at_level(logging.WARNING, logger="elasticapm.metrics"):
for i in range(2):
counter = m.counter("counter", some_label=i)
gauge = m.gauge("gauge", some_label=i)
timer = m.timer("timer", some_label=i)
if i == 0:
assert isinstance(timer, Timer)
assert isinstance(gauge, Gauge)
assert isinstance(counter, Counter)
else:
assert isinstance(timer, NoopMetric)
assert isinstance(gauge, NoopMetric)
assert isinstance(counter, NoopMetric)
assert_any_record_contains(caplog.records, "The limit of 3 metricsets has been reached", "elasticapm.metrics")
def test_metric_limit(caplog):
m = MetricsSet(MetricsRegistry(0, lambda x: None))
with caplog.at_level(logging.WARNING, logger="elasticapm.metrics"):
for i in range(2):
counter = m.counter("counter", some_label=i)
gauge = m.gauge("gauge", some_label=i)
timer = m.timer("timer", some_label=i)
if i == 0:
assert isinstance(timer, Timer)
assert isinstance(gauge, Gauge)
assert isinstance(counter, Counter)
else:
assert isinstance(timer, NoopMetric)
assert isinstance(gauge, NoopMetric)
assert isinstance(counter, NoopMetric)
assert len(caplog.records) == 1
record = caplog.records[0]
assert "The limit of 3 metricsets has been reached" in record.message