/*
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.
*/
/* $Id$ */
package test.r2.filter;
import com.linkedin.r2.filter.FilterChain;
import com.linkedin.r2.filter.FilterChains;
import com.linkedin.r2.message.RequestContext;
import com.linkedin.r2.message.rest.RestRequestBuilder;
import com.linkedin.r2.message.rest.RestResponseBuilder;
import com.linkedin.r2.message.rpc.RpcRequestBuilder;
import com.linkedin.r2.message.rpc.RpcResponseBuilder;
import org.testng.Assert;
import org.testng.annotations.Test;
import com.linkedin.r2.testutils.filter.MessageCountFilter;
import com.linkedin.r2.testutils.filter.RpcRestCountFilter;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
/**
* @author Chris Pettitt
* @version $Revision$
*/
public class TestFilterChainImpl
{
@Test
public void testRpcRequestFilter()
{
final RpcRestCountFilter filter = new RpcRestCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRpcRequest(fc);
assertRpcCounts (1, 0, 0, filter);
assertRestCounts (0, 0, 0, filter);
assertMessageCounts(0, 0, 0, filter);
}
@Test
public void testRpcResponseFilter()
{
final RpcRestCountFilter filter = new RpcRestCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRpcResponse(fc);
assertRpcCounts (0, 1, 0, filter);
assertRestCounts (0, 0, 0, filter);
assertMessageCounts(0, 0, 0, filter);
}
@Test
public void testRpcErrorFilter()
{
final RpcRestCountFilter filter = new RpcRestCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRpcError(fc);
assertRpcCounts (0, 0, 1, filter);
assertRestCounts (0, 0, 0, filter);
assertMessageCounts(0, 0, 0, filter);
}
@Test
public void testRestRequestFilter()
{
final RpcRestCountFilter filter = new RpcRestCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRestRequest(fc);
assertRpcCounts (0, 0, 0, filter);
assertRestCounts (1, 0, 0, filter);
assertMessageCounts(0, 0, 0, filter);
}
@Test
public void testRestResponseFilter()
{
final RpcRestCountFilter filter = new RpcRestCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRestResponse(fc);
assertRpcCounts (0, 0, 0, filter);
assertRestCounts (0, 1, 0, filter);
assertMessageCounts(0, 0, 0, filter);
}
@Test
public void testRestErrorFilter()
{
final RpcRestCountFilter filter = new RpcRestCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRestError(fc);
assertRpcCounts (0, 0, 0, filter);
assertRestCounts (0, 0, 1, filter);
assertMessageCounts(0, 0, 0, filter);
}
@Test
public void testRequestFilter()
{
final MessageCountFilter filter = new MessageCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRpcRequest(fc);
assertMessageCounts(1, 0, 0, filter);
filter.reset();
assertMessageCounts(0, 0, 0, filter);
fireRestRequest(fc);
assertMessageCounts(1, 0, 0, filter);
}
@Test
public void testResponseFilter()
{
final MessageCountFilter filter = new MessageCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRpcResponse(fc);
assertMessageCounts(0, 1, 0, filter);
filter.reset();
assertMessageCounts(0, 0, 0, filter);
fireRestResponse(fc);
assertMessageCounts(0, 1, 0, filter);
}
@Test
public void testErrorFilter()
{
final MessageCountFilter filter = new MessageCountFilter();
final FilterChain fc = FilterChains.create(filter);
fireRpcError(fc);
assertMessageCounts(0, 0, 1, filter);
filter.reset();
assertMessageCounts(0, 0, 0, filter);
fireRestError(fc);
assertMessageCounts(0, 0, 1, filter);
}
@Test
public void testChainRequestFilters()
{
final MessageCountFilter filter1 = new MessageCountFilter();
final MessageCountFilter filter2 = new MessageCountFilter();
final MessageCountFilter filter3 = new MessageCountFilter();
final FilterChain fc = FilterChains.create(filter1, filter2, filter3);
fireRpcRequest(fc);
assertMessageCounts(1, 0, 0, filter1);
assertMessageCounts(1, 0, 0, filter2);
assertMessageCounts(1, 0, 0, filter3);
filter1.reset();
filter2.reset();
filter3.reset();
fireRestRequest(fc);
assertMessageCounts(1, 0, 0, filter1);
assertMessageCounts(1, 0, 0, filter2);
assertMessageCounts(1, 0, 0, filter3);
}
@Test
public void testChainResponseFilters()
{
final MessageCountFilter filter1 = new MessageCountFilter();
final MessageCountFilter filter2 = new MessageCountFilter();
final MessageCountFilter filter3 = new MessageCountFilter();
final FilterChain fc = FilterChains.create(filter1, filter2, filter3);
fireRpcResponse(fc);
assertMessageCounts(0, 1, 0, filter1);
assertMessageCounts(0, 1, 0, filter2);
assertMessageCounts(0, 1, 0, filter3);
filter1.reset();
filter2.reset();
filter3.reset();
fireRestResponse(fc);
assertMessageCounts(0, 1, 0, filter1);
assertMessageCounts(0, 1, 0, filter2);
assertMessageCounts(0, 1, 0, filter3);
}
@Test
public void testChainErrorFilters()
{
final MessageCountFilter filter1 = new MessageCountFilter();
final MessageCountFilter filter2 = new MessageCountFilter();
final MessageCountFilter filter3 = new MessageCountFilter();
final FilterChain fc = FilterChains.create(filter1, filter2, filter3);
fireRpcError(fc);
assertMessageCounts(0, 0, 1, filter1);
assertMessageCounts(0, 0, 1, filter2);
assertMessageCounts(0, 0, 1, filter3);
filter1.reset();
filter2.reset();
filter3.reset();
fireRestError(fc);
assertMessageCounts(0, 0, 1, filter1);
assertMessageCounts(0, 0, 1, filter2);
assertMessageCounts(0, 0, 1, filter3);
}
@SuppressWarnings("deprecation")
private void fireRpcRequest(FilterChain fc)
{
fc.onRpcRequest(new RpcRequestBuilder(URI.create("test")).build(),
createRequestContext(), createWireAttributes()
);
}
@SuppressWarnings("deprecation")
private void fireRpcResponse(FilterChain fc)
{
fc.onRpcResponse(new RpcResponseBuilder().build(),
createRequestContext(), createWireAttributes()
);
}
@SuppressWarnings("deprecation")
private void fireRpcError(FilterChain fc)
{
fc.onRpcError(new Exception(),
createRequestContext(), createWireAttributes()
);
}
private void fireRestRequest(FilterChain fc)
{
fc.onRestRequest(new RestRequestBuilder(URI.create("test")).build(),
createRequestContext(), createWireAttributes()
);
}
private void fireRestResponse(FilterChain fc)
{
fc.onRestResponse(new RestResponseBuilder().build(),
createRequestContext(), createWireAttributes()
);
}
private void fireRestError(FilterChain fc)
{
fc.onRestError(new Exception(),
createRequestContext(), createWireAttributes()
);
}
private Map<String, String> createWireAttributes()
{
return new HashMap<String, String>();
}
private RequestContext createRequestContext()
{
return new RequestContext();
}
private void assertMessageCounts(int req, int res, int err, MessageCountFilter filter)
{
Assert.assertEquals(req, filter.getReqCount());
Assert.assertEquals(res, filter.getResCount());
Assert.assertEquals(err, filter.getErrCount());
}
private void assertRpcCounts(int req, int res, int err, RpcRestCountFilter filter)
{
Assert.assertEquals(req, filter.getRpcReqCount());
Assert.assertEquals(res, filter.getRpcResCount());
Assert.assertEquals(err, filter.getRpcErrCount());
}
private void assertRestCounts(int req, int res, int err, RpcRestCountFilter filter)
{
Assert.assertEquals(req, filter.getRestReqCount());
Assert.assertEquals(res, filter.getRestResCount());
Assert.assertEquals(err, filter.getRestErrCount());
}
}