/**
* 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.hadoop.yarn;
import junit.framework.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.factories.RpcClientFactory;
import org.apache.hadoop.yarn.factories.RpcServerFactory;
import org.apache.hadoop.yarn.factories.impl.pb.RpcClientFactoryPBImpl;
import org.apache.hadoop.yarn.factories.impl.pb.RpcServerFactoryPBImpl;
import org.apache.hadoop.yarn.factory.providers.RpcFactoryProvider;
import org.junit.Test;
public class TestRpcFactoryProvider {
@Test
public void testFactoryProvider() {
Configuration conf = new Configuration();
RpcClientFactory clientFactory = null;
RpcServerFactory serverFactory = null;
clientFactory = RpcFactoryProvider.getClientFactory(conf);
serverFactory = RpcFactoryProvider.getServerFactory(conf);
Assert.assertEquals(RpcClientFactoryPBImpl.class, clientFactory.getClass());
Assert.assertEquals(RpcServerFactoryPBImpl.class, serverFactory.getClass());
conf.set(YarnConfiguration.IPC_CLIENT_FACTORY_CLASS, "unknown");
conf.set(YarnConfiguration.IPC_SERVER_FACTORY_CLASS, "unknown");
conf.set(YarnConfiguration.IPC_RECORD_FACTORY_CLASS, "unknown");
try {
clientFactory = RpcFactoryProvider.getClientFactory(conf);
Assert.fail("Expected an exception - unknown serializer");
} catch (YarnRuntimeException e) {
}
try {
serverFactory = RpcFactoryProvider.getServerFactory(conf);
Assert.fail("Expected an exception - unknown serializer");
} catch (YarnRuntimeException e) {
}
conf = new Configuration();
conf.set(YarnConfiguration.IPC_CLIENT_FACTORY_CLASS, "NonExistantClass");
conf.set(YarnConfiguration.IPC_SERVER_FACTORY_CLASS, RpcServerFactoryPBImpl.class.getName());
try {
clientFactory = RpcFactoryProvider.getClientFactory(conf);
Assert.fail("Expected an exception - unknown class");
} catch (YarnRuntimeException e) {
}
try {
serverFactory = RpcFactoryProvider.getServerFactory(conf);
} catch (YarnRuntimeException e) {
Assert.fail("Error while loading factory using reflection: [" + RpcServerFactoryPBImpl.class.getName() + "]");
}
}
}