| /* |
| * 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 static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.security.User; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.hbase.util.FutureUtils; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ ClientTests.class, SmallTests.class }) |
| public class TestConnectionRegistryLeak { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestConnectionRegistryLeak.class); |
| |
| public static final class ConnectionRegistryForTest extends DoNothingConnectionRegistry { |
| |
| private boolean closed = false; |
| |
| public ConnectionRegistryForTest(Configuration conf, User user) { |
| super(conf, user); |
| CREATED.add(this); |
| } |
| |
| @Override |
| public CompletableFuture<String> getClusterId() { |
| return FutureUtils.failedFuture(new IOException("inject error")); |
| } |
| |
| @Override |
| public void close() { |
| closed = true; |
| } |
| } |
| |
| private static final List<ConnectionRegistryForTest> CREATED = new ArrayList<>(); |
| |
| private static Configuration CONF = HBaseConfiguration.create(); |
| |
| @BeforeClass |
| public static void setUp() { |
| CONF.setClass(HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY, |
| ConnectionRegistryForTest.class, ConnectionRegistry.class); |
| } |
| |
| @Test |
| public void test() throws InterruptedException { |
| for (int i = 0; i < 10; i++) { |
| try { |
| ConnectionFactory.createAsyncConnection(CONF).get(); |
| fail(); |
| } catch (ExecutionException e) { |
| // expected |
| } |
| } |
| assertEquals(10, CREATED.size()); |
| CREATED.forEach(r -> assertTrue(r.closed)); |
| } |
| } |