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/*
* 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");
}
}
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