/*
* 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.agent.embedded;
import static org.mockito.Mockito.*;
import java.util.List;
import java.util.Map;
import junit.framework.Assert;
import org.apache.flume.Channel;
import org.apache.flume.Event;
import org.apache.flume.EventDeliveryException;
import org.apache.flume.SinkRunner;
import org.apache.flume.SourceRunner;
import org.apache.flume.event.SimpleEvent;
import org.apache.flume.lifecycle.LifecycleState;
import org.apache.flume.node.MaterializedConfiguration;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
public class TestEmbeddedAgentEmbeddedSource {
private EmbeddedAgent agent;
private Map<String, String> properties;
private MaterializedConfiguration config;
private EmbeddedSource source;
private SourceRunner sourceRunner;
private Channel channel;
private SinkRunner sinkRunner;
@Before
public void setUp() throws Exception {
properties = Maps.newHashMap();
properties.put("source.type", EmbeddedAgentConfiguration.SOURCE_TYPE_EMBEDDED);
properties.put("channel.type", "memory");
properties.put("sinks", "sink1 sink2");
properties.put("sink1.type", "avro");
properties.put("sink2.type", "avro");
properties.put("processor.type", "load_balance");
sourceRunner = mock(SourceRunner.class);
channel = mock(Channel.class);
sinkRunner = mock(SinkRunner.class);
source = mock(EmbeddedSource.class);
when(sourceRunner.getSource()).thenReturn(source);
when(sourceRunner.getLifecycleState()).thenReturn(LifecycleState.START);
when(channel.getLifecycleState()).thenReturn(LifecycleState.START);
when(sinkRunner.getLifecycleState()).thenReturn(LifecycleState.START);
config = new MaterializedConfiguration() {
@Override
public ImmutableMap<String, SourceRunner> getSourceRunners() {
Map<String, SourceRunner> result = Maps.newHashMap();
result.put("source", sourceRunner);
return ImmutableMap.copyOf(result);
}
@Override
public ImmutableMap<String, SinkRunner> getSinkRunners() {
Map<String, SinkRunner> result = Maps.newHashMap();
result.put("sink", sinkRunner);
return ImmutableMap.copyOf(result);
}
@Override
public ImmutableMap<String, Channel> getChannels() {
Map<String, Channel> result = Maps.newHashMap();
result.put("channel", channel);
return ImmutableMap.copyOf(result);
}
@Override
public void addSourceRunner(String name, SourceRunner sourceRunner) {
throw new UnsupportedOperationException();
}
@Override
public void addSinkRunner(String name, SinkRunner sinkRunner) {
throw new UnsupportedOperationException();
}
@Override
public void addChannel(String name, Channel channel) {
throw new UnsupportedOperationException();
}
};
agent = new EmbeddedAgent(new MaterializedConfigurationProvider() {
public MaterializedConfiguration get(String name, Map<String, String> properties) {
return config;
}
}, "dummy");
}
@Test
public void testStart() {
agent.configure(properties);
agent.start();
verify(sourceRunner, times(1)).start();
verify(channel, times(1)).start();
verify(sinkRunner, times(1)).start();
}
@Test
public void testStop() {
agent.configure(properties);
agent.start();
agent.stop();
verify(sourceRunner, times(1)).stop();
verify(channel, times(1)).stop();
verify(sinkRunner, times(1)).stop();
}
@Test
public void testStartSourceThrowsException() {
doThrow(new LocalRuntimeException()).when(sourceRunner).start();
startExpectingLocalRuntimeException();
}
@Test
public void testStartChannelThrowsException() {
doThrow(new LocalRuntimeException()).when(channel).start();
startExpectingLocalRuntimeException();
}
@Test
public void testStartSinkThrowsException() {
doThrow(new LocalRuntimeException()).when(sinkRunner).start();
startExpectingLocalRuntimeException();
}
private void startExpectingLocalRuntimeException() {
agent.configure(properties);
try {
agent.start();
Assert.fail();
} catch (LocalRuntimeException e) {
// expected
}
verify(sourceRunner, times(1)).stop();
verify(channel, times(1)).stop();
verify(sinkRunner, times(1)).stop();
}
private static class LocalRuntimeException extends RuntimeException {
private static final long serialVersionUID = 116546244849853151L;
}
@Test
public void testPut() throws EventDeliveryException {
Event event = new SimpleEvent();
agent.configure(properties);
agent.start();
agent.put(event);
verify(source, times(1)).put(event);
}
@Test
public void testPutAll() throws EventDeliveryException {
Event event = new SimpleEvent();
List<Event> events = Lists.newArrayList();
events.add(event);
agent.configure(properties);
agent.start();
agent.putAll(events);
verify(source, times(1)).putAll(events);
}
@Test(expected = IllegalStateException.class)
public void testPutNotStarted() throws EventDeliveryException {
Event event = new SimpleEvent();
agent.configure(properties);
agent.put(event);
}
@Test(expected = IllegalStateException.class)
public void testPutAllNotStarted() throws EventDeliveryException {
Event event = new SimpleEvent();
List<Event> events = Lists.newArrayList();
events.add(event);
agent.configure(properties);
agent.putAll(events);
}
}