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.client;
019
020import static org.junit.Assert.fail;
021
022import java.util.Arrays;
023import java.util.List;
024import java.util.function.Consumer;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.HRegionInfo;
027import org.apache.hadoop.hbase.TableName;
028import org.apache.hadoop.hbase.testclassification.ClientTests;
029import org.apache.hadoop.hbase.testclassification.SmallTests;
030import org.junit.ClassRule;
031import org.junit.Rule;
032import org.junit.Test;
033import org.junit.experimental.categories.Category;
034import org.junit.rules.TestName;
035
036/**
037 * Test ImmutableHRegionInfo
038 */
039@Category({ClientTests.class, SmallTests.class})
040public class TestImmutableHRegionInfo {
041
042  @ClassRule
043  public static final HBaseClassTestRule CLASS_RULE =
044      HBaseClassTestRule.forClass(TestImmutableHRegionInfo.class);
045
046  @Rule
047  public TestName name = new TestName();
048
049  private final List<Consumer<ImmutableHRegionInfo>> TEST_FUNCTIONS = Arrays.asList(
050    hri -> hri.setOffline(true),
051    hri -> hri.setSplit(true)
052  );
053
054  @Test
055  public void testImmutable() {
056    HRegionInfo hri = new HRegionInfo(TableName.valueOf(name.getMethodName()));
057    ImmutableHRegionInfo immutableHri = new ImmutableHRegionInfo(hri);
058
059    TEST_FUNCTIONS.forEach(f -> {
060      try {
061        f.accept(immutableHri);
062        fail("ImmutableHRegionInfo can't be modified !!!");
063      } catch(UnsupportedOperationException e) {
064      }
065    });
066  }
067
068}