public void GetReadings_EnumeratesAllTaggedMetrics()
{
var source = new TestMetricSource();
var counter = source.AddCounter("counter", "unit", "desc", new MetricTag <string>("tag"));
counter.Increment("test");
counter.Increment("test_2");
counter.Increment("test_2");
counter.Increment("test_3");
counter.Increment("test_3");
counter.Increment("test_3");
// HACK: need to order by the reported value to ensure we get consistent order
var readings = source.GetReadings(DateTime.UtcNow).OrderBy(x => x.Value);
Assert.Collection(
readings,
reading =>
{
Assert.Equal("counter", reading.Name);
Assert.Equal(1, reading.Value);
Assert.True(reading.Tags.TryGetValue("tag", out var value) && value == "test");
},
reading =>
{
Assert.Equal("counter", reading.Name);
Assert.Equal(2, reading.Value);
Assert.True(reading.Tags.TryGetValue("tag", out var value) && value == "test_2");
},
reading =>
{
Assert.Equal("counter", reading.Name);
Assert.Equal(3, reading.Value);
Assert.True(reading.Tags.TryGetValue("tag", out var value) && value == "test_3");
});
}
public void GetReadings_EnumeratesAllUntaggedMetrics()
{
var source = new TestMetricSource();
var counter = source.AddCounter("counter", "unit", "desc");
var gauge = source.AddSamplingGauge("gauge", "unit", "desc");
counter.Increment();
counter.Increment();
gauge.Record(42.123d);
var readings = source.GetReadings(DateTime.UtcNow);
Assert.Collection(
readings,
reading =>
{
Assert.Equal("counter", reading.Name);
Assert.Equal(2, reading.Value);
},
reading =>
{
Assert.Equal("gauge", reading.Name);
Assert.Equal(42.123d, reading.Value);
});
}