def test_defaults_flag_to_now(self, monkeypatch):
"""Tests that the flag is defaulted to the time of instantiation
if no flag is given."""
now = 27
monkeypatch.setattr(time, 'time', lambda: now)
metrics = [KeyValue("k", 27)]
assert [("kv.k", 27, now)] == KeyValue.fold(metrics, 0)
def test_flushes_collected_metrics(self, metrics_store):
"""
Tests that the default aggregator properly flushes the
collected metrics to the metric store.
"""
now = 17
agg = DefaultAggregator(metrics_store)
agg.add_metrics([KeyValue("k", 1, now)])
agg.add_metrics([KeyValue("k", 2, now)])
agg.flush()
assert [("kv.k", 1, now), ("kv.k", 2, now)] == metrics_store.data
def test_defaults_flag_to_now(self, monkeypatch):
"""Tests that the flag is defaulted to the time of instantiation
if no flag is given."""
now = 27
monkeypatch.setattr(time, 'time', lambda: now)
metrics = [KeyValue("k", 27)]
assert [("k", 27, now)] == KeyValue.fold(metrics, 0)
def test_add_metrics(self, aggregator):
"""
Tests that add_metrics successfully adds an array of metrics to
the configured aggregator.
"""
now = 17
metrics = [KeyValue("k", 1, now), Counter("j", 2)]
Collector(aggregator)._add_metrics(metrics)
assert metrics == aggregator.metrics
def test_fold_metrics_works(self, monkeypatch):
"""
Tests that aggregators can fold metrics properly.
"""
now = 12
monkeypatch.setattr(time, 'time', lambda: now)
metrics = [KeyValue("k", 1, now), Counter("j", 2)]
result = Aggregator(None)._fold_metrics(metrics)
assert 1 == result.count(("kv.k", 1, now))
assert 1 == result.count(("counts.j", 2, now))
def test_fold_basic(self):
"""Tests folding over a normal metric returns the key/value
using the flag as the timestamp."""
metrics = [KeyValue("k", 27, 123456)]
assert [("k", 27, 123456)] == KeyValue.fold(metrics, 0)
def test_fold_basic(self):
"""Tests folding over a normal metric returns the key/value
using the flag as the timestamp."""
metrics = [KeyValue("k", 27, 123456)]
assert [("kv.k", 27, 123456)] == KeyValue.fold(metrics, 0)
