| /* |
| * 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.trace.export; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.Lists; |
| import io.opencensus.trace.Status.CanonicalCode; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link NoopSampledSpanStore}. */ |
| @RunWith(JUnit4.class) |
| public final class NoopSampledSpanStoreTest { |
| |
| private static final SampledSpanStore.PerSpanNameSummary EMPTY_PER_SPAN_NAME_SUMMARY = |
| SampledSpanStore.PerSpanNameSummary.create( |
| Collections.<SampledSpanStore.LatencyBucketBoundaries, Integer>emptyMap(), |
| Collections.<CanonicalCode, Integer>emptyMap()); |
| |
| @Test |
| public void noopSampledSpanStore_RegisterUnregisterAndGetSummary() { |
| // should return empty before register |
| SampledSpanStore sampledSpanStore = |
| ExportComponent.newNoopExportComponent().getSampledSpanStore(); |
| SampledSpanStore.Summary summary = sampledSpanStore.getSummary(); |
| assertThat(summary.getPerSpanNameSummary()).isEmpty(); |
| |
| // should return non-empty summaries with zero latency/error sampled spans after register |
| sampledSpanStore.registerSpanNamesForCollection( |
| Collections.unmodifiableList(Lists.newArrayList("TestSpan1", "TestSpan2", "TestSpan3"))); |
| summary = sampledSpanStore.getSummary(); |
| assertThat(summary.getPerSpanNameSummary()) |
| .containsExactly( |
| "TestSpan1", EMPTY_PER_SPAN_NAME_SUMMARY, |
| "TestSpan2", EMPTY_PER_SPAN_NAME_SUMMARY, |
| "TestSpan3", EMPTY_PER_SPAN_NAME_SUMMARY); |
| |
| // should unregister specific spanNames |
| sampledSpanStore.unregisterSpanNamesForCollection( |
| Collections.unmodifiableList(Lists.newArrayList("TestSpan1", "TestSpan3"))); |
| summary = sampledSpanStore.getSummary(); |
| assertThat(summary.getPerSpanNameSummary()) |
| .containsExactly("TestSpan2", EMPTY_PER_SPAN_NAME_SUMMARY); |
| } |
| |
| @Test |
| public void noopSampledSpanStore_GetLatencySampledSpans() { |
| SampledSpanStore sampledSpanStore = |
| ExportComponent.newNoopExportComponent().getSampledSpanStore(); |
| Collection<SpanData> latencySampledSpans = |
| sampledSpanStore.getLatencySampledSpans( |
| SampledSpanStore.LatencyFilter.create("TestLatencyFilter", 0, 0, 0)); |
| assertThat(latencySampledSpans).isEmpty(); |
| } |
| |
| @Test |
| public void noopSampledSpanStore_GetErrorSampledSpans() { |
| SampledSpanStore sampledSpanStore = |
| ExportComponent.newNoopExportComponent().getSampledSpanStore(); |
| Collection<SpanData> errorSampledSpans = |
| sampledSpanStore.getErrorSampledSpans( |
| SampledSpanStore.ErrorFilter.create("TestErrorFilter", null, 0)); |
| assertThat(errorSampledSpans).isEmpty(); |
| } |
| |
| @Test |
| public void noopSampledSpanStore_GetRegisteredSpanNamesForCollection() { |
| SampledSpanStore sampledSpanStore = |
| ExportComponent.newNoopExportComponent().getSampledSpanStore(); |
| sampledSpanStore.registerSpanNamesForCollection( |
| Collections.unmodifiableList(Lists.newArrayList("TestSpan3", "TestSpan4"))); |
| Set<String> registeredSpanNames = sampledSpanStore.getRegisteredSpanNamesForCollection(); |
| assertThat(registeredSpanNames).containsExactly("TestSpan3", "TestSpan4"); |
| } |
| } |