| /* |
| * Copyright 2017, OpenCensus Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package io.opencensus.implcore.trace.export; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import io.opencensus.common.Duration; |
| import io.opencensus.common.Timestamp; |
| import io.opencensus.implcore.internal.SimpleEventQueue; |
| import io.opencensus.implcore.trace.RecordEventsSpanImpl; |
| import io.opencensus.implcore.trace.RecordEventsSpanImpl.StartEndHandler; |
| import io.opencensus.testing.common.TestClock; |
| import io.opencensus.trace.EndSpanOptions; |
| import io.opencensus.trace.Span; |
| import io.opencensus.trace.SpanContext; |
| import io.opencensus.trace.SpanId; |
| import io.opencensus.trace.Status; |
| import io.opencensus.trace.Status.CanonicalCode; |
| import io.opencensus.trace.TraceId; |
| import io.opencensus.trace.TraceOptions; |
| import io.opencensus.trace.config.TraceParams; |
| import io.opencensus.trace.export.SampledSpanStore.ErrorFilter; |
| import io.opencensus.trace.export.SampledSpanStore.LatencyBucketBoundaries; |
| import io.opencensus.trace.export.SampledSpanStore.LatencyFilter; |
| import io.opencensus.trace.export.SampledSpanStore.PerSpanNameSummary; |
| import io.opencensus.trace.export.SpanData; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link InProcessSampledSpanStoreImpl}. */ |
| @RunWith(JUnit4.class) |
| public class InProcessSampledSpanStoreImplTest { |
| private static final String REGISTERED_SPAN_NAME = "MySpanName/1"; |
| private static final String NOT_REGISTERED_SPAN_NAME = "MySpanName/2"; |
| private static final long NUM_NANOS_PER_SECOND = TimeUnit.SECONDS.toNanos(1); |
| private final Random random = new Random(1234); |
| private final SpanContext sampledSpanContext = |
| SpanContext.create( |
| TraceId.generateRandomId(random), |
| SpanId.generateRandomId(random), |
| TraceOptions.builder().setIsSampled(true).build()); |
| private final SpanContext notSampledSpanContext = |
| SpanContext.create( |
| TraceId.generateRandomId(random), SpanId.generateRandomId(random), TraceOptions.DEFAULT); |
| private final SpanId parentSpanId = SpanId.generateRandomId(random); |
| private final TestClock testClock = TestClock.create(Timestamp.create(12345, 54321)); |
| private final InProcessSampledSpanStoreImpl sampleStore = |
| new InProcessSampledSpanStoreImpl(new SimpleEventQueue()); |
| private final StartEndHandler startEndHandler = |
| new StartEndHandler() { |
| @Override |
| public void onStart(RecordEventsSpanImpl span) { |
| // Do nothing. |
| } |
| |
| @Override |
| public void onEnd(RecordEventsSpanImpl span) { |
| sampleStore.considerForSampling(span); |
| } |
| }; |
| |
| @Before |
| public void setUp() { |
| sampleStore.registerSpanNamesForCollection(Collections.singletonList(REGISTERED_SPAN_NAME)); |
| } |
| |
| private RecordEventsSpanImpl createSampledSpan(String spanName) { |
| return RecordEventsSpanImpl.startSpan( |
| sampledSpanContext, |
| spanName, |
| null, |
| parentSpanId, |
| false, |
| TraceParams.DEFAULT, |
| startEndHandler, |
| null, |
| testClock); |
| } |
| |
| private RecordEventsSpanImpl createNotSampledSpan(String spanName) { |
| return RecordEventsSpanImpl.startSpan( |
| notSampledSpanContext, |
| spanName, |
| null, |
| parentSpanId, |
| false, |
| TraceParams.DEFAULT, |
| startEndHandler, |
| null, |
| testClock); |
| } |
| |
| private void addSpanNameToAllLatencyBuckets(String spanName) { |
| for (LatencyBucketBoundaries boundaries : LatencyBucketBoundaries.values()) { |
| Span sampledSpan = createSampledSpan(spanName); |
| Span notSampledSpan = createNotSampledSpan(spanName); |
| if (boundaries.getLatencyLowerNs() < NUM_NANOS_PER_SECOND) { |
| testClock.advanceTime(Duration.create(0, (int) boundaries.getLatencyLowerNs())); |
| } else { |
| testClock.advanceTime( |
| Duration.create( |
| boundaries.getLatencyLowerNs() / NUM_NANOS_PER_SECOND, |
| (int) (boundaries.getLatencyLowerNs() % NUM_NANOS_PER_SECOND))); |
| } |
| sampledSpan.end(); |
| notSampledSpan.end(); |
| } |
| } |
| |
| private void addSpanNameToAllErrorBuckets(String spanName) { |
| for (CanonicalCode code : CanonicalCode.values()) { |
| if (code != CanonicalCode.OK) { |
| Span sampledSpan = createSampledSpan(spanName); |
| Span notSampledSpan = createNotSampledSpan(spanName); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| sampledSpan.end(EndSpanOptions.builder().setStatus(code.toStatus()).build()); |
| notSampledSpan.end(EndSpanOptions.builder().setStatus(code.toStatus()).build()); |
| } |
| } |
| } |
| |
| @Test |
| public void addSpansWithRegisteredNamesInAllLatencyBuckets() { |
| addSpanNameToAllLatencyBuckets(REGISTERED_SPAN_NAME); |
| Map<String, PerSpanNameSummary> perSpanNameSummary = |
| sampleStore.getSummary().getPerSpanNameSummary(); |
| assertThat(perSpanNameSummary.size()).isEqualTo(1); |
| Map<LatencyBucketBoundaries, Integer> latencyBucketsSummaries = |
| perSpanNameSummary.get(REGISTERED_SPAN_NAME).getNumbersOfLatencySampledSpans(); |
| assertThat(latencyBucketsSummaries.size()).isEqualTo(LatencyBucketBoundaries.values().length); |
| for (Map.Entry<LatencyBucketBoundaries, Integer> it : latencyBucketsSummaries.entrySet()) { |
| assertThat(it.getValue()).isEqualTo(2); |
| } |
| } |
| |
| @Test |
| public void addSpansWithoutRegisteredNamesInAllLatencyBuckets() { |
| addSpanNameToAllLatencyBuckets(NOT_REGISTERED_SPAN_NAME); |
| Map<String, PerSpanNameSummary> perSpanNameSummary = |
| sampleStore.getSummary().getPerSpanNameSummary(); |
| assertThat(perSpanNameSummary.size()).isEqualTo(1); |
| assertThat(perSpanNameSummary.containsKey(NOT_REGISTERED_SPAN_NAME)).isFalse(); |
| } |
| |
| @Test |
| public void registerUnregisterAndListSpanNames() { |
| assertThat(sampleStore.getRegisteredSpanNamesForCollection()) |
| .containsExactly(REGISTERED_SPAN_NAME); |
| sampleStore.registerSpanNamesForCollection(Collections.singletonList(NOT_REGISTERED_SPAN_NAME)); |
| assertThat(sampleStore.getRegisteredSpanNamesForCollection()) |
| .containsExactly(REGISTERED_SPAN_NAME, NOT_REGISTERED_SPAN_NAME); |
| sampleStore.unregisterSpanNamesForCollection( |
| Collections.singletonList(NOT_REGISTERED_SPAN_NAME)); |
| assertThat(sampleStore.getRegisteredSpanNamesForCollection()) |
| .containsExactly(REGISTERED_SPAN_NAME); |
| } |
| |
| @Test |
| public void registerSpanNamesViaSpanBuilderOption() { |
| assertThat(sampleStore.getRegisteredSpanNamesForCollection()) |
| .containsExactly(REGISTERED_SPAN_NAME); |
| createSampledSpan(NOT_REGISTERED_SPAN_NAME) |
| .end(EndSpanOptions.builder().setSampleToLocalSpanStore(true).build()); |
| assertThat(sampleStore.getRegisteredSpanNamesForCollection()) |
| .containsExactly(REGISTERED_SPAN_NAME, NOT_REGISTERED_SPAN_NAME); |
| } |
| |
| @Test |
| public void addSpansWithRegisteredNamesInAllErrorBuckets() { |
| addSpanNameToAllErrorBuckets(REGISTERED_SPAN_NAME); |
| Map<String, PerSpanNameSummary> perSpanNameSummary = |
| sampleStore.getSummary().getPerSpanNameSummary(); |
| assertThat(perSpanNameSummary.size()).isEqualTo(1); |
| Map<CanonicalCode, Integer> errorBucketsSummaries = |
| perSpanNameSummary.get(REGISTERED_SPAN_NAME).getNumbersOfErrorSampledSpans(); |
| assertThat(errorBucketsSummaries.size()).isEqualTo(CanonicalCode.values().length - 1); |
| for (Map.Entry<CanonicalCode, Integer> it : errorBucketsSummaries.entrySet()) { |
| assertThat(it.getValue()).isEqualTo(2); |
| } |
| } |
| |
| @Test |
| public void addSpansWithoutRegisteredNamesInAllErrorBuckets() { |
| addSpanNameToAllErrorBuckets(NOT_REGISTERED_SPAN_NAME); |
| Map<String, PerSpanNameSummary> perSpanNameSummary = |
| sampleStore.getSummary().getPerSpanNameSummary(); |
| assertThat(perSpanNameSummary.size()).isEqualTo(1); |
| assertThat(perSpanNameSummary.containsKey(NOT_REGISTERED_SPAN_NAME)).isFalse(); |
| } |
| |
| @Test |
| public void getErrorSampledSpans() { |
| RecordEventsSpanImpl span = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span.end(EndSpanOptions.builder().setStatus(Status.CANCELLED).build()); |
| Collection<SpanData> samples = |
| sampleStore.getErrorSampledSpans( |
| ErrorFilter.create(REGISTERED_SPAN_NAME, CanonicalCode.CANCELLED, 0)); |
| assertThat(samples.size()).isEqualTo(1); |
| assertThat(samples.contains(span.toSpanData())).isTrue(); |
| } |
| |
| @Test |
| public void getErrorSampledSpans_MaxSpansToReturn() { |
| RecordEventsSpanImpl span1 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span1.end(EndSpanOptions.builder().setStatus(Status.CANCELLED).build()); |
| // Advance time to allow other spans to be sampled. |
| testClock.advanceTime(Duration.create(5, 0)); |
| RecordEventsSpanImpl span2 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span2.end(EndSpanOptions.builder().setStatus(Status.CANCELLED).build()); |
| Collection<SpanData> samples = |
| sampleStore.getErrorSampledSpans( |
| ErrorFilter.create(REGISTERED_SPAN_NAME, CanonicalCode.CANCELLED, 1)); |
| assertThat(samples.size()).isEqualTo(1); |
| // No order guaranteed so one of the spans should be in the list. |
| assertThat(samples).containsAnyOf(span1.toSpanData(), span2.toSpanData()); |
| } |
| |
| @Test |
| public void getErrorSampledSpans_NullCode() { |
| RecordEventsSpanImpl span1 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span1.end(EndSpanOptions.builder().setStatus(Status.CANCELLED).build()); |
| RecordEventsSpanImpl span2 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span2.end(EndSpanOptions.builder().setStatus(Status.UNKNOWN).build()); |
| Collection<SpanData> samples = |
| sampleStore.getErrorSampledSpans(ErrorFilter.create(REGISTERED_SPAN_NAME, null, 0)); |
| assertThat(samples.size()).isEqualTo(2); |
| assertThat(samples).containsExactly(span1.toSpanData(), span2.toSpanData()); |
| } |
| |
| @Test |
| public void getErrorSampledSpans_NullCode_MaxSpansToReturn() { |
| RecordEventsSpanImpl span1 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span1.end(EndSpanOptions.builder().setStatus(Status.CANCELLED).build()); |
| RecordEventsSpanImpl span2 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, 1000)); |
| span2.end(EndSpanOptions.builder().setStatus(Status.UNKNOWN).build()); |
| Collection<SpanData> samples = |
| sampleStore.getErrorSampledSpans(ErrorFilter.create(REGISTERED_SPAN_NAME, null, 1)); |
| assertThat(samples.size()).isEqualTo(1); |
| assertThat(samples).containsAnyOf(span1.toSpanData(), span2.toSpanData()); |
| } |
| |
| @Test |
| public void getLatencySampledSpans() { |
| RecordEventsSpanImpl span = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(20))); |
| span.end(); |
| Collection<SpanData> samples = |
| sampleStore.getLatencySampledSpans( |
| LatencyFilter.create( |
| REGISTERED_SPAN_NAME, |
| TimeUnit.MICROSECONDS.toNanos(15), |
| TimeUnit.MICROSECONDS.toNanos(25), |
| 0)); |
| assertThat(samples.size()).isEqualTo(1); |
| assertThat(samples.contains(span.toSpanData())).isTrue(); |
| } |
| |
| @Test |
| public void getLatencySampledSpans_ExclusiveUpperBound() { |
| RecordEventsSpanImpl span = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(20))); |
| span.end(); |
| Collection<SpanData> samples = |
| sampleStore.getLatencySampledSpans( |
| LatencyFilter.create( |
| REGISTERED_SPAN_NAME, |
| TimeUnit.MICROSECONDS.toNanos(15), |
| TimeUnit.MICROSECONDS.toNanos(20), |
| 0)); |
| assertThat(samples.size()).isEqualTo(0); |
| } |
| |
| @Test |
| public void getLatencySampledSpans_InclusiveLowerBound() { |
| RecordEventsSpanImpl span = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(20))); |
| span.end(); |
| Collection<SpanData> samples = |
| sampleStore.getLatencySampledSpans( |
| LatencyFilter.create( |
| REGISTERED_SPAN_NAME, |
| TimeUnit.MICROSECONDS.toNanos(20), |
| TimeUnit.MICROSECONDS.toNanos(25), |
| 0)); |
| assertThat(samples.size()).isEqualTo(1); |
| assertThat(samples.contains(span.toSpanData())).isTrue(); |
| } |
| |
| @Test |
| public void getLatencySampledSpans_QueryBetweenMultipleBuckets() { |
| RecordEventsSpanImpl span1 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(20))); |
| span1.end(); |
| // Advance time to allow other spans to be sampled. |
| testClock.advanceTime(Duration.create(5, 0)); |
| RecordEventsSpanImpl span2 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(200))); |
| span2.end(); |
| Collection<SpanData> samples = |
| sampleStore.getLatencySampledSpans( |
| LatencyFilter.create( |
| REGISTERED_SPAN_NAME, |
| TimeUnit.MICROSECONDS.toNanos(15), |
| TimeUnit.MICROSECONDS.toNanos(250), |
| 0)); |
| assertThat(samples).containsExactly(span1.toSpanData(), span2.toSpanData()); |
| } |
| |
| @Test |
| public void getLatencySampledSpans_MaxSpansToReturn() { |
| RecordEventsSpanImpl span1 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(20))); |
| span1.end(); |
| // Advance time to allow other spans to be sampled. |
| testClock.advanceTime(Duration.create(5, 0)); |
| RecordEventsSpanImpl span2 = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(200))); |
| span2.end(); |
| Collection<SpanData> samples = |
| sampleStore.getLatencySampledSpans( |
| LatencyFilter.create( |
| REGISTERED_SPAN_NAME, |
| TimeUnit.MICROSECONDS.toNanos(15), |
| TimeUnit.MICROSECONDS.toNanos(250), |
| 1)); |
| assertThat(samples.size()).isEqualTo(1); |
| assertThat(samples.contains(span1.toSpanData())).isTrue(); |
| } |
| |
| @Test |
| public void ignoreNegativeSpanLatency() { |
| RecordEventsSpanImpl span = createSampledSpan(REGISTERED_SPAN_NAME); |
| testClock.advanceTime(Duration.create(0, (int) TimeUnit.MICROSECONDS.toNanos(-20))); |
| span.end(); |
| Collection<SpanData> samples = |
| sampleStore.getLatencySampledSpans( |
| LatencyFilter.create(REGISTERED_SPAN_NAME, 0, Long.MAX_VALUE, 0)); |
| assertThat(samples.size()).isEqualTo(0); |
| } |
| } |