public void FlushedMetricDoesNotHaveData()
{
var collector = new MetricsCollector();
collector.Record("counter", 10M, Unit.Minute);
collector.FlushToString();
Assert.Equal(string.Empty, collector.GetMetrics()["counter"].FlushToString());
}
public void TestRecorders()
{
var collector = new MetricsCollector();
collector.Record("Recorder1", 1.0M, Unit.MilliSecond);
collector.Record("Recorder1", 11.0M, Unit.MilliSecond);
collector.Record("Recorder2", 2.0M, Unit.Second);
collector.Record("Recorder2", 22.0M, Unit.Second);
var metrics = collector.GetMetrics();
Assert.Equal(2, metrics.Count);
RecorderUtils.AssertRecorderOutput(new[] { 1.0M, 11.0M }, Unit.MilliSecond,
metrics["Recorder1"].FlushToString());
RecorderUtils.AssertRecorderOutput(new[] { 2.0M, 22.0M }, Unit.Second, metrics["Recorder2"].FlushToString());
}
public void TestCounters()
{
var collector = new MetricsCollector();
const string numOfExceptionsMetricName = "NumOfExceptions";
const string succeededMetricName = "Succeeded";
collector.IncrementCounter(numOfExceptionsMetricName, 0);
collector.IncrementCounter(numOfExceptionsMetricName, 1);
collector.IncrementCounter(succeededMetricName, 1);
collector.IncrementCounter(succeededMetricName, 2);
var metrics = collector.GetMetrics();
Assert.Equal(2, metrics.Count);
Assert.Equal("1", metrics[numOfExceptionsMetricName].FlushToString());
Assert.Equal("3", metrics[succeededMetricName].FlushToString());
}
public async Task TestStartStopTimers()
{
var collector = new MetricsCollector();
using (collector.StartTimer("Clock1"))
{
await Task.Delay(100);
}
using (collector.StartTimer("Clock2"))
{
await Task.Delay(200);
}
var metrics = collector.GetMetrics();
Assert.Equal(2, metrics.Count);
RecorderUtils.AssertRecorderOutput(new[] { 100.0M }, Unit.MilliSecond, metrics["Clock1"].FlushToString(),
10.0M);
RecorderUtils.AssertRecorderOutput(new[] { 200.0M }, Unit.MilliSecond, metrics["Clock2"].FlushToString(),
10.0M);
}