public void TryFlushMaxUniqueStatsBeforeFlush()
{
var handler = new Mock <IBufferBuilderHandler>();
var parameters = MetricAggregatorParametersFactory.Create(
handler.Object,
TimeSpan.FromMinutes(1),
maxUniqueStatsBeforeFlush: 3);
var aggregator = new AggregatorFlusher <StatsMetric>(parameters, MetricType.Count);
Add(aggregator, "key1", new StatsMetric {
});
Add(aggregator, "key2", new StatsMetric {
});
Flush(aggregator);
handler.Verify(h => h.Handle(It.IsAny <byte[]>(), It.IsAny <int>()), Times.Never());
Add(aggregator, "key3", new StatsMetric {
});
Flush(aggregator);
handler.Verify(h => h.Handle(It.IsAny <byte[]>(), It.IsAny <int>()), Times.Once());
Add(aggregator, "key4", new StatsMetric {
});
Flush(aggregator);
handler.Verify(h => h.Handle(It.IsAny <byte[]>(), It.IsAny <int>()), Times.Once());
Flush(aggregator, force: true);
handler.Verify(h => h.Handle(It.IsAny <byte[]>(), It.IsAny <int>()), Times.Exactly(2));
}
private static void Flush(AggregatorFlusher <StatsMetric> aggregator, bool force = false)
{
aggregator.TryFlush(
values =>
{
foreach (var keyValue in values)
{
aggregator.FlushStatsMetric(keyValue.Value);
}
}, force);
}
public void TryFlushFlushInterval()
{
var handler = new Mock <IBufferBuilderHandler>();
var parameters = MetricAggregatorParametersFactory.Create(
handler.Object,
TimeSpan.FromMilliseconds(500),
maxUniqueStatsBeforeFlush: 100);
var aggregator = new AggregatorFlusher <StatsMetric>(parameters, MetricType.Count);
Add(aggregator, "key", new StatsMetric {
});
Flush(aggregator);
handler.Verify(h => h.Handle(It.IsAny <byte[]>(), It.IsAny <int>()), Times.Never());
Thread.Sleep(TimeSpan.FromSeconds(1));
Flush(aggregator);
handler.Verify(h => h.Handle(It.IsAny <byte[]>(), It.IsAny <int>()), Times.Once());
}
private static void Add(AggregatorFlusher <StatsMetric> aggregator, string key, StatsMetric value)
{
var statsKey = new MetricStatsKey(key, null);
aggregator.Add(ref statsKey, value);
}