| /** |
| * 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.s4.core; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.s4.core.triggers.TriggeredApp; |
| import org.apache.s4.fixtures.CommTestUtils; |
| import org.apache.s4.fixtures.MockCommModule; |
| import org.apache.s4.fixtures.MockCoreModule; |
| import org.apache.s4.fixtures.ZkBasedTest; |
| import org.apache.s4.wordcount.StringEvent; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.ZooKeeper; |
| import org.apache.zookeeper.server.NIOServerCnxn.Factory; |
| import org.junit.After; |
| |
| import com.google.inject.Guice; |
| import com.google.inject.Injector; |
| |
| /** |
| * tests from subclasses are forked in separate VMs, an easy way to avoid conflict with unavailable resources when |
| * instantiating new S4 nodes |
| */ |
| // NOTE: placed in this package so that App#start(), init() and close() can be called without modifying their visibility |
| public abstract class TriggerTest extends ZkBasedTest { |
| |
| private Factory zookeeperServerConnectionFactory; |
| public static TriggerType triggerType; |
| protected TriggeredApp app; |
| |
| public enum TriggerType { |
| TIME_BASED, COUNT_BASED, NONE |
| } |
| |
| @After |
| public void cleanup() throws IOException, InterruptedException { |
| if (app != null) { |
| app.close(); |
| app = null; |
| } |
| cleanupZkBasedTest(); |
| } |
| |
| protected CountDownLatch createTriggerAppAndSendEvent() throws IOException, KeeperException, InterruptedException { |
| final ZooKeeper zk = CommTestUtils.createZkClient(); |
| Injector injector = Guice.createInjector(new MockCommModule(), new MockCoreModule(), new AppModule(getClass() |
| .getClassLoader())); |
| app = injector.getInstance(TriggeredApp.class); |
| app.init(); |
| app.start(); |
| // app.close(); |
| |
| String time1 = String.valueOf(System.currentTimeMillis()); |
| |
| CountDownLatch signalEvent1Processed = new CountDownLatch(1); |
| CommTestUtils.watchAndSignalCreation("/onEvent@" + time1, signalEvent1Processed, zk); |
| |
| CountDownLatch signalEvent1Triggered = new CountDownLatch(1); |
| CommTestUtils.watchAndSignalCreation("/onTrigger[StringEvent]@" + time1, signalEvent1Triggered, zk); |
| |
| StringEvent event = new StringEvent(time1); |
| event.setStreamId("stream"); |
| app.stream.receiveEvent(event); |
| |
| // check event processed |
| Assert.assertTrue(signalEvent1Processed.await(5, TimeUnit.SECONDS)); |
| |
| // return latch on trigger signal |
| return signalEvent1Triggered; |
| } |
| } |