/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.hadoop.hbase.master; import org.apache.hadoop.hbase.CompatibilitySingletonFactory; import org.apache.hadoop.hbase.master.MetricsMasterSource; import org.apache.hadoop.hbase.master.MetricsMasterSourceFactory; import org.apache.hadoop.hbase.master.MetricsMasterSourceImpl; import org.junit.Test; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; /** * Test for MetricsMasterSourceImpl */ public class TestMetricsMasterSourceImpl { @Test public void testGetInstance() throws Exception { MetricsMasterSourceFactory metricsMasterSourceFactory = CompatibilitySingletonFactory .getInstance(MetricsMasterSourceFactory.class); MetricsMasterSource masterSource = metricsMasterSourceFactory.create(null); assertTrue(masterSource instanceof MetricsMasterSourceImpl); assertSame(metricsMasterSourceFactory, CompatibilitySingletonFactory.getInstance(MetricsMasterSourceFactory.class)); } }