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RpcViewsTest.java
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RpcViewsTest.java
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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.contrib.grpc.metrics;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import io.opencensus.stats.View;
import io.opencensus.stats.ViewData;
import io.opencensus.stats.ViewManager;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nullable;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Test for {@link RpcViews}. */
@RunWith(JUnit4.class)
public class RpcViewsTest {
@Test
public void registerCumulative() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerAllCumulativeViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.RPC_CUMULATIVE_VIEWS_SET);
}
@Test
public void registerInterval() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerAllIntervalViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.RPC_INTERVAL_VIEWS_SET);
}
@Test
public void registerAll() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerAllViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(
ImmutableSet.builder()
.addAll(RpcViews.RPC_CUMULATIVE_VIEWS_SET)
.addAll(RpcViews.RPC_INTERVAL_VIEWS_SET)
.build());
}
@Test
public void registerAllGrpcViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerAllGrpcViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(
ImmutableSet.builder()
.addAll(RpcViews.GRPC_CLIENT_VIEWS_SET)
.addAll(RpcViews.GRPC_SERVER_VIEWS_SET)
.build());
}
@Test
public void registerClientGrpcViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerClientGrpcViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.GRPC_CLIENT_VIEWS_SET);
}
@Test
public void registerClientRetryGrpcViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerClientRetryGrpcViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.GRPC_CLIENT_RETRY_VIEWS_SET);
}
@Test
public void registerServerGrpcViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerServerGrpcViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.GRPC_SERVER_VIEWS_SET);
}
@Test
public void registerAllGrpcBasicViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerAllGrpcBasicViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(
ImmutableSet.builder()
.addAll(RpcViews.GRPC_CLIENT_BASIC_VIEWS_SET)
.addAll(RpcViews.GRPC_SERVER_BASIC_VIEWS_SET)
.build());
}
@Test
public void registerClientGrpcBasicViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerClientGrpcBasicViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.GRPC_CLIENT_BASIC_VIEWS_SET);
}
@Test
public void registerServerGrpcBasicViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerServerGrpcBasicViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.GRPC_SERVER_BASIC_VIEWS_SET);
}
@Test
public void registerRealTimeMetricsViews() {
FakeViewManager fakeViewManager = new FakeViewManager();
RpcViews.registerRealTimeMetricsViews(fakeViewManager);
assertThat(fakeViewManager.getRegisteredViews())
.containsExactlyElementsIn(RpcViews.GRPC_REAL_TIME_METRICS_VIEWS_SET);
}
// TODO(bdrutu): Test with reflection that all defined gRPC views are registered.
private static final class FakeViewManager extends ViewManager {
private final Map<View.Name, View> registeredViews = Maps.newHashMap();
private FakeViewManager() {}
@Override
public void registerView(View view) {
registeredViews.put(view.getName(), view);
}
@Nullable
@Override
public ViewData getView(View.Name view) {
throw new UnsupportedOperationException();
}
@Override
public Set<View> getAllExportedViews() {
throw new UnsupportedOperationException();
}
private Collection<View> getRegisteredViews() {
return registeredViews.values();
}
}
}