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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.config;
import static com.google.common.truth.Truth.assertThat;
import io.opencensus.trace.samplers.Samplers;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link TraceParams}. */
@RunWith(JUnit4.class)
public class TraceParamsTest {
@Test
public void defaultTraceParams() {
assertThat(TraceParams.DEFAULT.getSampler()).isEqualTo(Samplers.probabilitySampler(1e-4));
assertThat(TraceParams.DEFAULT.getMaxNumberOfAttributes()).isEqualTo(32);
assertThat(TraceParams.DEFAULT.getMaxNumberOfAnnotations()).isEqualTo(32);
assertThat(TraceParams.DEFAULT.getMaxNumberOfNetworkEvents()).isEqualTo(128);
assertThat(TraceParams.DEFAULT.getMaxNumberOfMessageEvents()).isEqualTo(128);
assertThat(TraceParams.DEFAULT.getMaxNumberOfLinks()).isEqualTo(32);
}
@Test(expected = NullPointerException.class)
public void updateTraceParams_NullSampler() {
TraceParams.DEFAULT.toBuilder().setSampler(null).build();
}
@Test(expected = IllegalArgumentException.class)
public void updateTraceParams_NonPositiveMaxNumberOfAttributes() {
TraceParams.DEFAULT.toBuilder().setMaxNumberOfAttributes(0).build();
}
@Test(expected = IllegalArgumentException.class)
public void updateTraceParams_NonPositiveMaxNumberOfAnnotations() {
TraceParams.DEFAULT.toBuilder().setMaxNumberOfAnnotations(0).build();
}
@Test(expected = IllegalArgumentException.class)
public void updateTraceParams_NonPositiveMaxNumberOfNetworkEvents() {
TraceParams.DEFAULT.toBuilder().setMaxNumberOfNetworkEvents(0).build();
}
@Test(expected = IllegalArgumentException.class)
public void updateTraceParams_NonPositiveMaxNumberOfMessageEvents() {
TraceParams.DEFAULT.toBuilder().setMaxNumberOfMessageEvents(0).build();
}
@Test(expected = IllegalArgumentException.class)
public void updateTraceParams_NonPositiveMaxNumberOfLinks() {
TraceParams.DEFAULT.toBuilder().setMaxNumberOfLinks(0).build();
}
@Test
public void updateTraceParams_All() {
TraceParams traceParams =
TraceParams.DEFAULT
.toBuilder()
.setSampler(Samplers.alwaysSample())
.setMaxNumberOfAttributes(8)
.setMaxNumberOfAnnotations(9)
.setMaxNumberOfMessageEvents(10)
.setMaxNumberOfLinks(11)
.build();
assertThat(traceParams.getSampler()).isEqualTo(Samplers.alwaysSample());
assertThat(traceParams.getMaxNumberOfAttributes()).isEqualTo(8);
assertThat(traceParams.getMaxNumberOfAnnotations()).isEqualTo(9);
// test maxNumberOfNetworkEvent can be set via maxNumberOfMessageEvent
assertThat(traceParams.getMaxNumberOfNetworkEvents()).isEqualTo(10);
assertThat(traceParams.getMaxNumberOfMessageEvents()).isEqualTo(10);
assertThat(traceParams.getMaxNumberOfLinks()).isEqualTo(11);
}
@Test
public void updateTraceParams_maxNumberOfNetworkEvents() {
TraceParams traceParams =
TraceParams.DEFAULT.toBuilder().setMaxNumberOfNetworkEvents(10).build();
assertThat(traceParams.getMaxNumberOfNetworkEvents()).isEqualTo(10);
// test maxNumberOfMessageEvent can be set via maxNumberOfNetworkEvent
assertThat(traceParams.getMaxNumberOfMessageEvents()).isEqualTo(10);
}
}
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