protected BaseMetricsEventHandler(ISink metricSink)
{
Sinks = new List <ISink>();
Sinks.Add(metricSink);
Aggregator = new RingbufferPerformanceMetricsAggregator(new DateService());
Aggregator.Reset();
}
protected BaseMetricsEventHandler(IEnumerable <ISink> metricSinks)
{
Sinks = new List <ISink>();
Sinks.AddRange(metricSinks);
Aggregator = new RingbufferPerformanceMetricsAggregator(new DateService());
Aggregator.Reset();
}
public void ShouldReturnMetricsWithDefaultValuesWhenNoMessagesHasBeenHandled()
{
var aggregator = new RingbufferPerformanceMetricsAggregator(new DateService());
var metrics = aggregator.Reset();
Assert.AreEqual(0, metrics.ItemCount);
Assert.AreEqual(-1, metrics.MaxProcessTimeMilliseconds);
Assert.AreEqual(-1, metrics.MinProcessTimeMilliseconds);
Assert.AreEqual(-1, metrics.AverageTimeInQueueMs);
Assert.AreEqual(DateTimeOffset.MinValue, metrics.FirstMessageTime);
Assert.AreEqual(DateTimeOffset.MinValue, metrics.LastMessageTime);
}
public void ShouldResetToDefaultValues()
{
var dateService = new DateService();
var aggregator = new RingbufferPerformanceMetricsAggregator(dateService);
var d1 = dateService.UtcNow().AddSeconds(-10);
var d2 = dateService.UtcNow().AddSeconds(-5);
var d3 = dateService.UtcNow().AddSeconds(-3);
var d4 = dateService.UtcNow().AddSeconds(-1);
var qItem1 = new QItem()
{
FirstTouchTime = d1
};
var qItem2 = new QItem()
{
FirstTouchTime = d2
};
var qItem3 = new QItem()
{
FirstTouchTime = d3
};
var qItem4 = new QItem()
{
FirstTouchTime = d4
};
aggregator.HandleItem(qItem1);
aggregator.HandleItem(qItem2);
aggregator.HandleItem(qItem3);
aggregator.HandleItem(qItem4);
var metrics = aggregator.Reset();
Assert.AreEqual(4, metrics.ItemCount);
Assert.AreEqual(d1, metrics.FirstMessageTime);
Assert.AreEqual(d4, metrics.LastMessageTime);
Assert.IsTrue(metrics.AverageTimeInQueueMs > 0);
Assert.IsTrue(metrics.MinProcessTimeMilliseconds > 0);
Assert.IsTrue(metrics.MaxProcessTimeMilliseconds > 0);
metrics = aggregator.Reset();
Assert.AreEqual(0, metrics.ItemCount);
Assert.AreEqual(-1, metrics.MaxProcessTimeMilliseconds);
Assert.AreEqual(-1, metrics.MinProcessTimeMilliseconds);
Assert.AreEqual(-1, metrics.AverageTimeInQueueMs);
Assert.AreEqual(DateTimeOffset.MinValue, metrics.FirstMessageTime);
Assert.AreEqual(DateTimeOffset.MinValue, metrics.LastMessageTime);
}
