/*
Copyright (c) 2012 LinkedIn Corp.
Licensed 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.linkedin.d2.balancer.clients;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNull;
import java.util.HashMap;
import java.util.Map;
import org.testng.annotations.Test;
import com.linkedin.common.callback.Callback;
import com.linkedin.common.util.None;
import com.linkedin.r2.message.RequestContext;
import com.linkedin.r2.message.rest.RestRequest;
import com.linkedin.r2.message.rest.RestResponse;
import com.linkedin.r2.message.rpc.RpcRequest;
import com.linkedin.r2.message.rpc.RpcResponse;
import com.linkedin.r2.transport.common.TransportClientFactory;
import com.linkedin.r2.transport.common.bridge.client.TransportClient;
import com.linkedin.r2.transport.common.bridge.common.TransportCallback;
public class LazyClientTest
{
@Test(groups = { "small", "back-end" })
@SuppressWarnings("deprecation")
public void testClient()
{
LazyClientTestFactory factory = new LazyClientTestFactory();
Map<String, String> properties = new HashMap<String, String>();
LazyClient client = new LazyClient(properties, factory);
properties.put("test", "exists");
assertEquals(factory.getClientCount, 0);
assertNull(factory.properties);
client.restRequest(null, new RequestContext(), null, null);
assertEquals(factory.getClientCount, 1);
assertEquals(factory.properties, properties);
client.restRequest(null, new RequestContext(), null, null);
client.rpcRequest(null, new RequestContext(), null, null);
assertEquals(factory.getClientCount, 1);
assertEquals(factory.restRequestCount, 2);
assertEquals(factory.rpcRequestCount, 1);
assertEquals(factory.shutdownCount, 0);
client.shutdown(null);
assertEquals(factory.shutdownCount, 1);
}
public static class LazyClientTestFactory implements TransportClientFactory
{
public int getClientCount = 0;
public int restRequestCount = 0;
public int rpcRequestCount = 0;
public int shutdownCount = 0;
public Map<String, ? extends Object> properties;
@Override
public TransportClient getClient(Map<String, ? extends Object> properties)
{
++getClientCount;
this.properties = properties;
return new TransportClient()
{
@Override
public void restRequest(RestRequest request,
RequestContext requestContext,
Map<String, String> wireAttrs,
TransportCallback<RestResponse> callback)
{
++restRequestCount;
}
@Override
@Deprecated
@SuppressWarnings("deprecation")
public void rpcRequest(RpcRequest request,
RequestContext requestContext,
Map<String, String> wireAttrs,
TransportCallback<RpcResponse> callback)
{
++rpcRequestCount;
}
@Override
public void shutdown(Callback<None> callback)
{
++shutdownCount;
}
};
}
@Override
public void shutdown(Callback<None> callback)
{
callback.onSuccess(None.none());
}
}
}