/*
* Copyright 2010 LinkedIn, Inc
*
* 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 voldemort.store.routed.action;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import voldemort.TestUtils;
import voldemort.cluster.Node;
import voldemort.routing.RouteToAllStrategy;
import voldemort.routing.RoutingStrategy;
import voldemort.store.InsufficientOperationalNodesException;
import voldemort.store.UnreachableStoreException;
import voldemort.store.routed.GetAllPipelineData;
import voldemort.store.routed.Pipeline;
import voldemort.store.routed.Pipeline.Event;
import voldemort.store.routed.Pipeline.Operation;
import voldemort.utils.ByteArray;
public class GetAllConfigureNodesTest extends AbstractActionTest {
@Test
public void testConfigureNodes() throws Exception {
RoutingStrategy routingStrategy = new RouteToAllStrategy(cluster.getNodes());
GetAllPipelineData pipelineData = new GetAllPipelineData();
List<ByteArray> keys = new ArrayList<ByteArray>();
for(int i = 0; i < 10; i++)
keys.add(TestUtils.toByteArray("key-" + i));
int preferred = cluster.getNumberOfNodes() - 1;
GetAllConfigureNodes action = new GetAllConfigureNodes(pipelineData,
Event.COMPLETED,
failureDetector,
preferred,
preferred - 1,
routingStrategy,
keys,
null,
null,
null);
Pipeline pipeline = new Pipeline(Operation.GET, 10000, TimeUnit.MILLISECONDS);
pipeline.addEventAction(Event.STARTED, action);
pipeline.addEvent(Event.STARTED);
pipeline.execute();
if(pipelineData.getFatalError() != null)
throw pipelineData.getFatalError();
for(ByteArray key: keys) {
List<Node> allNodesList = routingStrategy.routeRequest(key.get());
assertEquals(cluster.getNumberOfNodes(), allNodesList.size());
List<Node> extraNodes = pipelineData.getKeyToExtraNodesMap().get(key);
assertEquals(cluster.getNumberOfNodes() - preferred, extraNodes.size());
Node expectedExtraNode = allNodesList.get(preferred);
Node actualExtraNode = extraNodes.get(0);
assertEquals(expectedExtraNode, actualExtraNode);
List<Node> preferredNodes = allNodesList.subList(0, preferred);
assertEquals(preferred, preferredNodes.size());
for(Node node: preferredNodes) {
List<ByteArray> nodeKeys = pipelineData.getNodeToKeysMap().get(node);
if(!nodeKeys.contains(key))
fail();
}
}
}
@Test(expected = InsufficientOperationalNodesException.class)
public void testConfigureNodesNotEnoughNodes() throws Exception {
for(Node node: cluster.getNodes())
failureDetector.recordException(node,
0,
new UnreachableStoreException("Test for "
+ getClass().getName()));
RoutingStrategy routingStrategy = new RouteToAllStrategy(cluster.getNodes());
GetAllPipelineData pipelineData = new GetAllPipelineData();
GetAllConfigureNodes action = new GetAllConfigureNodes(pipelineData,
Event.COMPLETED,
failureDetector,
1,
1,
routingStrategy,
Arrays.asList(aKey),
null,
null,
null);
Pipeline pipeline = new Pipeline(Operation.GET, 10000, TimeUnit.MILLISECONDS);
pipeline.addEventAction(Event.STARTED, action);
pipeline.addEvent(Event.STARTED);
pipeline.execute();
throw pipelineData.getFatalError();
}
}