| package org.apache.helix.util; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Date; |
| |
| import org.I0Itec.zkclient.ZkServer; |
| import org.I0Itec.zkclient.exception.ZkNoNodeException; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.ZNRecord; |
| import org.apache.helix.manager.zk.ZkClient; |
| import org.apache.helix.util.ZKClientPool; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| |
| public class TestZKClientPool |
| { |
| |
| @Test |
| public void test() throws Exception |
| { |
| String testName = "TestZKClientPool"; |
| System.out.println("START " + testName + " at " + new Date(System.currentTimeMillis())); |
| |
| String zkAddr = "localhost:2189"; |
| ZkServer zkServer = TestHelper.startZkServer(zkAddr); |
| ZkClient zkClient = ZKClientPool.getZkClient(zkAddr); |
| |
| zkClient.createPersistent("/" + testName, new ZNRecord(testName)); |
| ZNRecord record = zkClient.readData("/" + testName); |
| Assert.assertEquals(record.getId(), testName); |
| |
| TestHelper.stopZkServer(zkServer); |
| |
| // restart zk |
| zkServer = TestHelper.startZkServer(zkAddr); |
| try |
| { |
| zkClient = ZKClientPool.getZkClient(zkAddr); |
| record = zkClient.readData("/" + testName); |
| Assert.fail("should fail on zk no node exception"); |
| } catch (ZkNoNodeException e) |
| { |
| // OK |
| } catch (Exception e) |
| { |
| Assert.fail("should not fail on exception other than ZkNoNodeException"); |
| } |
| |
| zkClient.createPersistent("/" + testName, new ZNRecord(testName)); |
| record = zkClient.readData("/" + testName); |
| Assert.assertEquals(record.getId(), testName); |
| |
| zkClient.close(); |
| TestHelper.stopZkServer(zkServer); |
| System.out.println("END " + testName + " at " + new Date(System.currentTimeMillis())); |
| } |
| } |