1 /* 2 * Copyright 2017, OpenCensus Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.opencensus.trace.config; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import io.opencensus.trace.samplers.Samplers; 22 import org.junit.Test; 23 import org.junit.runner.RunWith; 24 import org.junit.runners.JUnit4; 25 26 /** Unit tests for {@link TraceConfig}. */ 27 @RunWith(JUnit4.class) 28 public class TraceConfigTest { 29 TraceConfig traceConfig = TraceConfig.getNoopTraceConfig(); 30 31 @Test activeTraceParams_NoOpImplementation()32 public void activeTraceParams_NoOpImplementation() { 33 assertThat(traceConfig.getActiveTraceParams()).isEqualTo(TraceParams.DEFAULT); 34 } 35 36 @Test updateActiveTraceParams_NoOpImplementation()37 public void updateActiveTraceParams_NoOpImplementation() { 38 TraceParams traceParams = 39 TraceParams.DEFAULT 40 .toBuilder() 41 .setSampler(Samplers.alwaysSample()) 42 .setMaxNumberOfAttributes(8) 43 .setMaxNumberOfAnnotations(9) 44 .setMaxNumberOfNetworkEvents(10) 45 .setMaxNumberOfMessageEvents(10) 46 .setMaxNumberOfLinks(11) 47 .build(); 48 traceConfig.updateActiveTraceParams(traceParams); 49 assertThat(traceConfig.getActiveTraceParams()).isEqualTo(TraceParams.DEFAULT); 50 } 51 } 52