1 /* 2 * Copyright 2016-17, 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.impl.stats; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import io.opencensus.implcore.stats.StatsRecorderImpl; 22 import io.opencensus.implcore.stats.ViewManagerImpl; 23 import io.opencensus.stats.Stats; 24 import io.opencensus.stats.StatsComponent; 25 import org.junit.Test; 26 import org.junit.runner.RunWith; 27 import org.junit.runners.JUnit4; 28 29 /** Test for accessing the {@link StatsComponent} through the {@link Stats} class. */ 30 @RunWith(JUnit4.class) 31 public final class StatsTest { 32 @Test getStatsRecorder()33 public void getStatsRecorder() { 34 assertThat(Stats.getStatsRecorder()).isInstanceOf(StatsRecorderImpl.class); 35 } 36 37 @Test getViewManager()38 public void getViewManager() { 39 assertThat(Stats.getViewManager()).isInstanceOf(ViewManagerImpl.class); 40 } 41 } 42