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));
}
public void OnNewValue()
{
var handler = new BufferBuilderHandlerMock();
var aggregator = new GaugeAggregator(MetricAggregatorParametersFactory.Create(handler.Object));
AddStatsMetric(aggregator, "s1", 1);
AddStatsMetric(aggregator, "s1", 2);
AddStatsMetric(aggregator, "s2", 3);
aggregator.TryFlush(force: true);
Assert.AreEqual("s1:2|g|@0,s2:3|g|@0", handler.Value);
}
public void Pool()
{
var handler = new BufferBuilderHandlerMock();
var parameters = MetricAggregatorParametersFactory.Create(handler.Object, TimeSpan.FromMinutes(1), 1);
var aggregator = new SetAggregator(parameters, null);
// Check StatsMetricSet instance go back to the pool
for (int i = 0; i < 10; ++i)
{
AddStatsMetric(aggregator, "s1", i.ToString());
Assert.AreEqual($"s1:{i}|s|@0", handler.Value);
}
}
public void OnNewValue()
{
var handler = new BufferBuilderHandlerMock();
var aggregator = new SetAggregator(MetricAggregatorParametersFactory.Create(handler.Object), null);
AddStatsMetric(aggregator, "s1", "1");
AddStatsMetric(aggregator, "s1", "2");
AddStatsMetric(aggregator, "s1", "2");
AddStatsMetric(aggregator, "s1", "2");
AddStatsMetric(aggregator, "s2", "3");
aggregator.TryFlush(force: true);
Assert.AreEqual("s1:1|s|@0,s1:2|s|@0,s2:3|s|@0", handler.Value);
AddStatsMetric(aggregator, "s1", "4");
aggregator.TryFlush(force: true);
Assert.AreEqual("s1:4|s|@0", handler.Value);
}
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());
}