1 /** 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.hadoop.hbase.rest; 20 21 import org.apache.hadoop.hbase.CompatibilitySingletonFactory; 22 import org.apache.hadoop.hbase.rest.MetricsRESTSource; 23 import org.apache.hadoop.hbase.rest.MetricsRESTSourceImpl; 24 import org.junit.Test; 25 26 import static org.junit.Assert.assertNotNull; 27 import static org.junit.Assert.assertTrue; 28 29 /** 30 * Test for hadoop 2's version of MetricsRESTSource 31 */ 32 public class TestMetricsRESTSourceImpl { 33 34 @Test 35 public void ensureCompatRegistered() throws Exception { 36 assertNotNull(CompatibilitySingletonFactory.getInstance(MetricsRESTSource.class)); 37 assertTrue(CompatibilitySingletonFactory.getInstance(MetricsRESTSource.class) instanceof MetricsRESTSourceImpl); 38 } 39 40 }