/*
* 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.source;
import static org.mockito.Mockito.*;
import org.apache.flume.Context;
import org.apache.flume.FlumeException;
import org.apache.flume.channel.ChannelProcessor;
import org.apache.flume.lifecycle.LifecycleState;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestBasicSourceSemantics {
private BasicSourceSemantics source;
private ChannelProcessor channelProcessor;
private Context context;
@Before
public void setUp() {
context = new Context();
channelProcessor = mock(ChannelProcessor.class);
}
public DoNothingSource spyAndConfigure(DoNothingSource source) {
source = spy(source);
source.setChannelProcessor(channelProcessor);
source.configure(context);
return source;
}
@Test
public void testDoConfigureThrowsException() throws Exception {
source = spy(new DoNothingSource() {
@Override
protected void doConfigure(Context context) throws FlumeException {
throw new FlumeException("dummy");
}
});
source.setChannelProcessor(channelProcessor);
try {
source.configure(context);
Assert.fail();
} catch (FlumeException expected) {
}
Assert.assertFalse(source.isStarted());
Assert.assertEquals(LifecycleState.ERROR, source.getLifecycleState());
Assert.assertNotNull(source.getStartException());
}
@Test
public void testDoStartThrowsException() throws Exception {
source = spyAndConfigure(new DoNothingSource() {
@Override
protected void doStart() throws FlumeException {
throw new FlumeException("dummy");
}
});
source.start();
Assert.assertFalse(source.isStarted());
Assert.assertEquals(LifecycleState.ERROR, source.getLifecycleState());
Assert.assertNotNull(source.getStartException());
}
@Test
public void testDoStopThrowsException() throws Exception {
source = spyAndConfigure(new DoNothingSource() {
@Override
protected void doStop() throws FlumeException {
throw new FlumeException("dummy");
}
});
source.start();
source.stop();
Assert.assertFalse(source.isStarted());
Assert.assertEquals(LifecycleState.ERROR, source.getLifecycleState());
Assert.assertNull(source.getStartException());
}
@Test
public void testConfigureCalledWhenStarted() throws Exception {
source = spyAndConfigure(new DoNothingSource());
source.start();
try {
source.configure(context);
Assert.fail();
} catch (IllegalStateException expected) {
}
Assert.assertTrue(source.isStarted());
Assert.assertNull(source.getStartException());
}
private static class DoNothingSource extends BasicSourceSemantics {
@Override
protected void doConfigure(Context context) throws FlumeException {
}
@Override
protected void doStart() throws FlumeException {
}
@Override
protected void doStop() throws FlumeException {
}
}
}