package org.apache.helix.manager.zk;
/*
* 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 java.util.HashMap;
import java.util.Map;
import org.apache.helix.AccessOption;
import org.apache.helix.ConfigScope;
import org.apache.helix.ConfigScopeBuilder;
import org.apache.helix.HelixAdmin;
import org.apache.helix.HelixException;
import org.apache.helix.InstanceType;
import org.apache.helix.TestHelper;
import org.apache.helix.ZNRecord;
import org.apache.helix.ZkUnitTestBase;
import org.apache.helix.manager.MockListener;
import org.apache.helix.manager.zk.ZKHelixManager;
import org.apache.helix.store.zk.ZkHelixPropertyStore;
import org.apache.zookeeper.data.Stat;
import org.testng.Assert;
import org.testng.AssertJUnit;
import org.testng.annotations.Test;
public class TestZkClusterManager extends ZkUnitTestBase
{
final String className = getShortClassName();
@Test()
public void testController() throws Exception
{
System.out.println("START " + className + ".testController() at " + new Date(System.currentTimeMillis()));
final String clusterName = CLUSTER_PREFIX + "_" + className + "_controller";
// basic test
if (_gZkClient.exists("/" + clusterName))
{
_gZkClient.deleteRecursive("/" + clusterName);
}
ZKHelixManager controller = new ZKHelixManager(clusterName, null,
InstanceType.CONTROLLER,
ZK_ADDR);
try
{
controller.connect();
Assert.fail("Should throw HelixException if initial cluster structure is not setup");
} catch (HelixException e)
{
// OK
}
TestHelper.setupEmptyCluster(_gZkClient, clusterName);
controller.connect();
AssertJUnit.assertTrue(controller.isConnected());
controller.connect();
AssertJUnit.assertTrue(controller.isConnected());
MockListener listener = new MockListener();
listener.reset();
try
{
controller.addControllerListener(null);
Assert.fail("Should throw HelixException");
} catch (HelixException e)
{
// OK
}
controller.addControllerListener(listener);
AssertJUnit.assertTrue(listener.isControllerChangeListenerInvoked);
controller.removeListener(listener);
ZkHelixPropertyStore<ZNRecord> store = controller.getHelixPropertyStore();
ZNRecord record = new ZNRecord("node_1");
int options = 0;
store.set("node_1", record, AccessOption.PERSISTENT);
Stat stat = new Stat();
record = store.get("node_1",stat, options);
AssertJUnit.assertEquals("node_1", record.getId());
controller.getMessagingService();
controller.getHealthReportCollector();
controller.getClusterManagmentTool();
controller.handleNewSession();
controller.disconnect();
AssertJUnit.assertFalse(controller.isConnected());
System.out.println("END " + className + ".testController() at " + new Date(System.currentTimeMillis()));
}
@Test()
public void testAdministrator() throws Exception
{
System.out.println("START " + className + ".testAdministrator() at " + new Date(System.currentTimeMillis()));
final String clusterName = CLUSTER_PREFIX + "_" + className + "_admin";
// basic test
if (_gZkClient.exists("/" + clusterName))
{
_gZkClient.deleteRecursive("/" + clusterName);
}
ZKHelixManager admin = new ZKHelixManager(clusterName, null,
InstanceType.ADMINISTRATOR,
ZK_ADDR);
TestHelper.setupEmptyCluster(_gZkClient, clusterName);
admin.connect();
AssertJUnit.assertTrue(admin.isConnected());
HelixAdmin adminTool = admin.getClusterManagmentTool();
ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName)
.forResource("testResource").forPartition("testPartition").build();
Map<String, String> properties = new HashMap<String, String>();
properties.put("pKey1", "pValue1");
properties.put("pKey2", "pValue2");
adminTool.setConfig(scope, properties);
properties = adminTool.getConfig(scope, TestHelper.setOf("pKey1", "pKey2"));
Assert.assertEquals(properties.size(), 2);
Assert.assertEquals(properties.get("pKey1"), "pValue1");
Assert.assertEquals(properties.get("pKey2"), "pValue2");
admin.disconnect();
AssertJUnit.assertFalse(admin.isConnected());
System.out.println("END " + className + ".testAdministrator() at " + new Date(System.currentTimeMillis()));
}
}