/**
* Copyright (C) 2012 LinkedIn Inc <opensource@linkedin.com>
*
* 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.helix.controller.stages;
import java.util.Date;
import java.util.Map;
import org.testng.AssertJUnit;
import org.testng.annotations.Test;
import com.linkedin.helix.controller.stages.AttributeName;
import com.linkedin.helix.controller.stages.BestPossibleStateCalcStage;
import com.linkedin.helix.controller.stages.BestPossibleStateOutput;
import com.linkedin.helix.controller.stages.CurrentStateOutput;
import com.linkedin.helix.controller.stages.ReadClusterDataStage;
import com.linkedin.helix.model.Resource;
import com.linkedin.helix.model.Partition;
public class TestBestPossibleStateCalcStage extends BaseStageTest
{
@Test
public void testSimple()
{
System.out.println("START TestBestPossibleStateCalcStage at " + new Date(System.currentTimeMillis()));
// List<IdealState> idealStates = new ArrayList<IdealState>();
String[] resources = new String[]{ "testResourceName" };
setupIdealState(5, resources, 10, 1);
setupLiveInstances(5);
setupStateModel();
Map<String, Resource> resourceMap = getResourceMap();
CurrentStateOutput currentStateOutput = new CurrentStateOutput();
event.addAttribute(AttributeName.RESOURCES.toString(),
resourceMap);
event.addAttribute(AttributeName.CURRENT_STATE.toString(),
currentStateOutput);
ReadClusterDataStage stage1 = new ReadClusterDataStage();
runStage(event, stage1);
BestPossibleStateCalcStage stage2 = new BestPossibleStateCalcStage();
runStage(event, stage2);
BestPossibleStateOutput output = event
.getAttribute(AttributeName.BEST_POSSIBLE_STATE.toString());
for (int p = 0; p < 5; p++)
{
Partition resource = new Partition("testResourceName_" + p);
AssertJUnit.assertEquals(
"MASTER",
output.getInstanceStateMap("testResourceName", resource).get(
"localhost_" + (p + 1) % 5));
}
System.out.println("END TestBestPossibleStateCalcStage at " + new Date(System.currentTimeMillis()));
}
}