1 /*
2  * Copyright 2018, 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.metrics;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import io.opencensus.metrics.export.ExportComponent;
22 import org.junit.Test;
23 import org.junit.runner.RunWith;
24 import org.junit.runners.JUnit4;
25 
26 /** Unit tests for {@link MetricsComponent}. */
27 @RunWith(JUnit4.class)
28 public class MetricsComponentTest {
29   @Test
defaultExportComponent()30   public void defaultExportComponent() {
31     assertThat(MetricsComponent.newNoopMetricsComponent().getExportComponent())
32         .isInstanceOf(ExportComponent.newNoopExportComponent().getClass());
33   }
34 
35   @Test
defaultMetricRegistry()36   public void defaultMetricRegistry() {
37     assertThat(MetricsComponent.newNoopMetricsComponent().getMetricRegistry())
38         .isInstanceOf(MetricRegistry.newNoopMetricRegistry().getClass());
39   }
40 }
41