001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.thrift;
019
020import static org.junit.Assert.assertNotNull;
021import static org.junit.Assert.assertSame;
022import static org.junit.Assert.assertTrue;
023
024import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.testclassification.MetricsTests;
027import org.apache.hadoop.hbase.testclassification.SmallTests;
028import org.junit.ClassRule;
029import org.junit.Test;
030import org.junit.experimental.categories.Category;
031
032/**
033 * Test for hadoop 2's version of MetricsThriftServerSourceFactory.
034 */
035@Category({ MetricsTests.class, SmallTests.class })
036public class TestMetricsThriftServerSourceFactoryImpl {
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039    HBaseClassTestRule.forClass(TestMetricsThriftServerSourceFactoryImpl.class);
040
041  @Test
042  public void testCompatabilityRegistered() {
043    assertNotNull(
044      CompatibilitySingletonFactory.getInstance(MetricsThriftServerSourceFactory.class));
045    assertTrue(CompatibilitySingletonFactory.getInstance(
046      MetricsThriftServerSourceFactory.class) instanceof MetricsThriftServerSourceFactoryImpl);
047  }
048
049  @Test
050  public void testCreateThriftOneSource() {
051    // Make sure that the factory gives back a singleton.
052    assertSame(new MetricsThriftServerSourceFactoryImpl().createThriftOneSource(),
053      new MetricsThriftServerSourceFactoryImpl().createThriftOneSource());
054
055  }
056
057  @Test
058  public void testCreateThriftTwoSource() {
059    // Make sure that the factory gives back a singleton.
060    assertSame(new MetricsThriftServerSourceFactoryImpl().createThriftTwoSource(),
061      new MetricsThriftServerSourceFactoryImpl().createThriftTwoSource());
062  }
063}