| /** |
| * 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.client; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.EnumSet; |
| import org.apache.hadoop.hbase.ClusterMetrics; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| /** |
| * Testcase for HBASE-22135. |
| */ |
| @RunWith(Parameterized.class) |
| @Category({ MediumTests.class, ClientTests.class }) |
| public class TestAsyncAdminMasterSwitch extends TestAsyncAdminBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestAsyncAdminMasterSwitch.class); |
| |
| @Test |
| public void testSwitch() throws IOException, InterruptedException { |
| assertEquals(TEST_UTIL.getHBaseCluster().getRegionServerThreads().size(), |
| admin.getClusterMetrics(EnumSet.of(ClusterMetrics.Option.SERVERS_NAME)).join() |
| .getServersName().size()); |
| TEST_UTIL.getMiniHBaseCluster().stopMaster(0).join(); |
| assertTrue(TEST_UTIL.getMiniHBaseCluster().waitForActiveAndReadyMaster(30000)); |
| // make sure that we could still call master |
| assertEquals(TEST_UTIL.getHBaseCluster().getRegionServerThreads().size(), |
| admin.getClusterMetrics(EnumSet.of(ClusterMetrics.Option.SERVERS_NAME)).join() |
| .getServersName().size()); |
| } |
| } |