| /** |
| * 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.coprocessor; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.CoprocessorEnvironment; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.hadoop.hbase.client.SharedConnection; |
| import org.apache.hadoop.hbase.testclassification.CoprocessorTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.TestName; |
| |
| /** |
| * Ensure Coprocessors get ShardConnections when they get a Connection from their |
| * CoprocessorEnvironment. |
| */ |
| @Category({ CoprocessorTests.class, MediumTests.class }) |
| public class TestCoprocessorSharedConnection { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCoprocessorSharedConnection.class); |
| |
| @Rule |
| public TestName name = new TestName(); |
| private static final HBaseTestingUtility HTU = new HBaseTestingUtility(); |
| |
| /** |
| * Start up a mini cluster with my three CPs loaded. |
| */ |
| @BeforeClass |
| public static void beforeClass() throws Exception { |
| // Set my test Coprocessors into the Configuration before we start up the cluster. |
| Configuration conf = HTU.getConfiguration(); |
| conf.setStrings(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, |
| TestMasterCoprocessor.class.getName()); |
| conf.setStrings(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, |
| TestRegionServerCoprocessor.class.getName()); |
| conf.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, |
| TestRegionCoprocessor.class.getName()); |
| HTU.startMiniCluster(); |
| } |
| |
| @AfterClass |
| public static void afterClass() throws Exception { |
| HTU.shutdownMiniCluster(); |
| } |
| |
| // Three test coprocessors, one of each type that has a Connection in its environment |
| // (WALCoprocessor does not). |
| public static class TestMasterCoprocessor implements MasterCoprocessor { |
| public TestMasterCoprocessor() { |
| } |
| |
| @Override |
| public void start(CoprocessorEnvironment env) throws IOException { |
| // At start, we get base CoprocessorEnvironment Type, not MasterCoprocessorEnvironment, |
| checkShared(((MasterCoprocessorEnvironment) env).getConnection()); |
| } |
| } |
| |
| public static class TestRegionServerCoprocessor implements RegionServerCoprocessor { |
| public TestRegionServerCoprocessor() { |
| } |
| |
| @Override |
| public void start(CoprocessorEnvironment env) throws IOException { |
| // At start, we get base CoprocessorEnvironment Type, not RegionServerCoprocessorEnvironment, |
| checkShared(((RegionServerCoprocessorEnvironment) env).getConnection()); |
| } |
| } |
| |
| public static class TestRegionCoprocessor implements RegionCoprocessor { |
| public TestRegionCoprocessor() { |
| } |
| |
| @Override |
| public void start(CoprocessorEnvironment env) throws IOException { |
| // At start, we get base CoprocessorEnvironment Type, not RegionCoprocessorEnvironment, |
| checkShared(((RegionCoprocessorEnvironment) env).getConnection()); |
| } |
| } |
| |
| private static void checkShared(Connection connection) { |
| assertTrue(connection instanceof SharedConnection); |
| } |
| |
| @Test |
| public void test() throws IOException { |
| // Nothing to do in here. The checks are done as part of the cluster spinup when CPs get |
| // loaded. Need this here so this class looks like a test. |
| } |
| } |