/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.flume.conf;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import com.cloudera.flume.conf.SinkFactory.SinkBuilder;
import com.cloudera.flume.core.EventSink;
import com.cloudera.util.Pair;
/**
* Tests the plugin loading mechanism for event sinks.
*
* Java doesn't allow non top-level types to have static methods. So in order to
* mock up a class to use to test, we have to make it top-level. Hence the test
* class here acts as a plugin itself.
*/
public class TestPlugins extends EventSink.Base {
public static List<Pair<String, SinkBuilder>> getSinkBuilders() {
List<Pair<String, SinkBuilder>> builders =
new ArrayList<Pair<String, SinkBuilder>>();
builders.add(new Pair<String, SinkBuilder>("test-plugin",
new SinkBuilder() {
@Override
public EventSink build(Context context, String... argv) {
return new TestPlugins();
}
}));
return builders;
}
/**
* Instantiates a factory and checks to see if the class is successfully
* loaded.
*/
@Test
public void testLoadPlugins() {
FlumeConfiguration conf = FlumeConfiguration.get();
conf.set(FlumeConfiguration.PLUGIN_CLASSES,
"com.cloudera.flume.conf.TestPlugins,com.cloudera.nonexistant.Sink");
SinkFactoryImpl factory = new SinkFactoryImpl();
assertTrue(factory.getSinkNames().contains("test-plugin"));
}
}