def test_event_windowing(mocker, time_keeper):
mocker.patch('time.time', side_effect=time_keeper.time)
count = Count()
config = MetricConfig(event_window=1, samples=2)
count.record(config, 1.0, time_keeper.ms())
count.record(config, 1.0, time_keeper.ms())
assert 2.0 == count.measure(config, time_keeper.ms())
count.record(config, 1.0, time_keeper.ms()) # first event times out
assert 2.0 == count.measure(config, time_keeper.ms())
def test_old_data_has_no_effect(mocker, time_keeper):
mocker.patch('time.time', side_effect=time_keeper.time)
max_stat = Max()
min_stat = Min()
avg_stat = Avg()
count_stat = Count()
window_ms = 100
samples = 2
config = MetricConfig(time_window_ms=window_ms, samples=samples)
max_stat.record(config, 50, time_keeper.ms())
min_stat.record(config, 50, time_keeper.ms())
avg_stat.record(config, 50, time_keeper.ms())
count_stat.record(config, 50, time_keeper.ms())
time_keeper.sleep(samples * window_ms / 1000.0)
assert float('-inf') == max_stat.measure(config, time_keeper.ms())
assert float(sys.maxsize) == min_stat.measure(config, time_keeper.ms())
assert 0.0 == avg_stat.measure(config, time_keeper.ms())
assert 0 == count_stat.measure(config, time_keeper.ms())
def test_time_windowing(mocker, time_keeper):
mocker.patch('time.time', side_effect=time_keeper.time)
count = Count()
config = MetricConfig(time_window_ms=1, samples=2)
count.record(config, 1.0, time_keeper.ms())
time_keeper.sleep(.001)
count.record(config, 1.0, time_keeper.ms())
assert 2.0 == count.measure(config, time_keeper.ms())
time_keeper.sleep(.001)
count.record(config, 1.0, time_keeper.ms()) # oldest event times out
assert 2.0 == count.measure(config, time_keeper.ms())
