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author | mladens <mladens42@gmail.com> | 2017-07-12 12:05:56 +0200 |
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committer | mladens <mladens42@gmail.com> | 2017-07-12 12:05:56 +0200 |
commit | 09af20cca6243400e0b922113d896e1ddc46382c (patch) | |
tree | 9883e3aad7ca456a8a247bb22ece726c60fdd140 /kamon-core/src/test/scala | |
parent | 52c4503b6aea2309feeb550b7db2e5fa627dedc8 (diff) | |
download | Kamon-09af20cca6243400e0b922113d896e1ddc46382c.tar.gz Kamon-09af20cca6243400e0b922113d896e1ddc46382c.tar.bz2 Kamon-09af20cca6243400e0b922113d896e1ddc46382c.zip |
Separate span metrics and counts for spans finished with an error
Diffstat (limited to 'kamon-core/src/test/scala')
-rw-r--r-- | kamon-core/src/test/scala/kamon/trace/SpanMetrics.scala | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/kamon-core/src/test/scala/kamon/trace/SpanMetrics.scala b/kamon-core/src/test/scala/kamon/trace/SpanMetrics.scala new file mode 100644 index 00000000..6f32e000 --- /dev/null +++ b/kamon-core/src/test/scala/kamon/trace/SpanMetrics.scala @@ -0,0 +1,70 @@ +package kamon.trace + +import kamon.Kamon +import kamon.Kamon.buildSpan +import kamon.metric._ +import org.scalatest.{Matchers, WordSpecLike} + +class SpanMetrics extends WordSpecLike with Matchers { + import SpanMetricsTestHelper._ + + val errorTag = "error" -> Span.BooleanTagTrueValue + val histogramMetric: HistogramMetric = Kamon.histogram("span.elapsed-time") + + "Span Metrics" should { + "be recorded for successeful execution" in { + val operation = "span-success" + val operationTag = "operation" -> operation + + val span = buildSpan(operation).startManual() + span.finish() + + + val histogram = histogramMetric.refine(operationTag) + histogram.distribution().count === 1 + + val errorHistogram = histogramMetric.refine(operationTag, errorTag).distribution() + errorHistogram.count === 0 + + val errorCount = histogramMetric.refine(operationTag, errorTag).distribution() + errorCount === 0 + } + + "record correctly error latency and count" in { + val operation = "span-failure" + val operationTag = "operation" -> operation + + val span = buildSpan(operation).startManual() + span.setTag("error", Span.BooleanTagTrueValue) + span.finish() + + val histogram = histogramMetric.refine(operationTag) + histogram.distribution().count === 0 + + val errorHistogram = histogramMetric.refine(operationTag, errorTag).distribution() + errorHistogram.count === 1 + + val errorCount = histogramMetric.refine(operationTag, errorTag).distribution() + errorCount === 1 + } + } + +} + +object SpanMetricsTestHelper { + + implicit class HistogramMetricSyntax(histogram: Histogram) { + def distribution(resetState: Boolean = true): Distribution = + histogram match { + case hm: HistogramMetric => hm.refine(Map.empty[String, String]).distribution(resetState) + case h: AtomicHdrHistogram => h.snapshot(resetState).distribution + case h: HdrHistogram => h.snapshot(resetState).distribution + } + } + + + +} + + + |