/*
* 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.flume.node;
import org.apache.flume.SourceRunner;
import org.apache.flume.lifecycle.LifecycleController;
import org.apache.flume.lifecycle.LifecycleException;
import org.apache.flume.lifecycle.LifecycleState;
import org.apache.flume.node.nodemanager.AbstractLogicalNodeManager;
import org.apache.flume.source.SequenceGeneratorSource;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
public class TestFlumeNode {
private FlumeNode node;
@Before
public void setUp() {
node = new FlumeNode();
node.setName("test-node");
node.setNodeManager(new EmptyLogicalNodeManager());
}
@Ignore("Fails given recent changes to configuration system")
@Test
public void testLifecycle() throws InterruptedException, LifecycleException {
node.start();
boolean reached = LifecycleController.waitForOneOf(node,
LifecycleState.START_OR_ERROR, 5000);
Assert.assertTrue("Matched a known state", reached);
Assert.assertEquals(LifecycleState.START, node.getLifecycleState());
node.stop();
reached = LifecycleController.waitForOneOf(node,
LifecycleState.STOP_OR_ERROR, 5000);
Assert.assertTrue("Matched a known state", reached);
Assert.assertEquals(LifecycleState.STOP, node.getLifecycleState());
}
@Ignore("Fails given recent changes to configuration system")
@Test
public void testAddNodes() throws InterruptedException, LifecycleException {
node.start();
boolean reached = LifecycleController.waitForOneOf(node,
LifecycleState.START_OR_ERROR, 5000);
Assert.assertTrue("Matched a known state", reached);
Assert.assertEquals(LifecycleState.START, node.getLifecycleState());
SourceRunner n1 = SourceRunner.forSource(new SequenceGeneratorSource());
node.getNodeManager().add(n1);
node.stop();
reached = LifecycleController.waitForOneOf(node,
LifecycleState.STOP_OR_ERROR, 5000);
Assert.assertTrue("Matched a known state", reached);
Assert.assertEquals(LifecycleState.STOP, node.getLifecycleState());
}
public static class EmptyLogicalNodeManager extends
AbstractLogicalNodeManager {
private LifecycleState lifecycleState;
public EmptyLogicalNodeManager() {
lifecycleState = LifecycleState.IDLE;
}
@Override
public void start() {
lifecycleState = LifecycleState.START;
}
@Override
public void stop() {
lifecycleState = LifecycleState.STOP;
}
@Override
public LifecycleState getLifecycleState() {
return lifecycleState;
}
}
}