package com.linkedin.helix.controller.stages;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.testng.Assert;
import org.testng.annotations.Test;
import com.linkedin.helix.TestHelper;
import com.linkedin.helix.controller.stages.MessageSelectionStage.Bounds;
import com.linkedin.helix.model.LiveInstance;
import com.linkedin.helix.model.Message;
public class TestMsgSelectionStage
{
@Test
public void testMasterXfer()
{
System.out.println("START testMasterXfer at " + new Date(System.currentTimeMillis()));
Map<String, LiveInstance> liveInstances = new HashMap<String, LiveInstance>();
liveInstances.put("localhost_0", new LiveInstance("localhost_0"));
liveInstances.put("localhost_1", new LiveInstance("localhost_1"));
Map<String, String> currentStates = new HashMap<String, String>();
currentStates.put("localhost_0", "SLAVE");
currentStates.put("localhost_1", "MASTER");
Map<String, String> pendingStates = new HashMap<String, String>();
List<Message> messages = new ArrayList<Message>();
messages.add(TestHelper.createMessage("msgId_0",
"SLAVE",
"MASTER",
"localhost_0",
"TestDB",
"TestDB_0"));
messages.add(TestHelper.createMessage("msgId_1",
"MASTER",
"SLAVE",
"localhost_1",
"TestDB",
"TestDB_0"));
Map<String, Bounds> stateConstraints = new HashMap<String, Bounds>();
stateConstraints.put("MASTER", new Bounds(0, 1));
stateConstraints.put("SLAVE", new Bounds(0, 2));
Map<String, Integer> stateTransitionPriorities = new HashMap<String, Integer>();
stateTransitionPriorities.put("MASTER-SLAVE", 0);
stateTransitionPriorities.put("SLAVE-MASTER", 1);
List<Message> selectedMsg =
new MessageSelectionStage().selectMessages(liveInstances,
currentStates,
pendingStates,
messages,
stateConstraints,
stateTransitionPriorities,
"OFFLINE");
Assert.assertEquals(selectedMsg.size(), 1);
Assert.assertEquals(selectedMsg.get(0).getMsgId(), "msgId_1");
System.out.println("END testMasterXfer at " + new Date(System.currentTimeMillis()));
}
@Test
public void testMasterXferAfterMasterResume()
{
System.out.println("START testMasterXferAfterMasterResume at "
+ new Date(System.currentTimeMillis()));
Map<String, LiveInstance> liveInstances = new HashMap<String, LiveInstance>();
liveInstances.put("localhost_0", new LiveInstance("localhost_0"));
liveInstances.put("localhost_1", new LiveInstance("localhost_1"));
Map<String, String> currentStates = new HashMap<String, String>();
currentStates.put("localhost_0", "SLAVE");
currentStates.put("localhost_1", "SLAVE");
Map<String, String> pendingStates = new HashMap<String, String>();
pendingStates.put("localhost_1", "MASTER");
List<Message> messages = new ArrayList<Message>();
messages.add(TestHelper.createMessage("msgId_0",
"SLAVE",
"MASTER",
"localhost_0",
"TestDB",
"TestDB_0"));
Map<String, Bounds> stateConstraints = new HashMap<String, Bounds>();
stateConstraints.put("MASTER", new Bounds(0, 1));
stateConstraints.put("SLAVE", new Bounds(0, 2));
Map<String, Integer> stateTransitionPriorities = new HashMap<String, Integer>();
stateTransitionPriorities.put("MASTER-SLAVE", 0);
stateTransitionPriorities.put("SLAVE-MASTER", 1);
List<Message> selectedMsg =
new MessageSelectionStage().selectMessages(liveInstances,
currentStates,
pendingStates,
messages,
stateConstraints,
stateTransitionPriorities,
"OFFLINE");
Assert.assertEquals(selectedMsg.size(), 0);
System.out.println("END testMasterXferAfterMasterResume at "
+ new Date(System.currentTimeMillis()));
}
}