package org.apache.helix.model;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.helix.TestHelper;
import org.apache.helix.model.IdealState;
import org.apache.helix.model.IdealState.IdealStateModeProperty;
import org.testng.Assert;
import org.testng.annotations.Test;
public class TestIdealState
{
@Test
public void testGetInstanceSet()
{
String className = TestHelper.getTestClassName();
String methodName = TestHelper.getTestMethodName();
String testName = className + "_" + methodName;
System.out.println("START " + testName + " at "
+ new Date(System.currentTimeMillis()));
IdealState idealState = new IdealState("idealState");
idealState.getRecord().setListField("TestDB_0", Arrays.asList("node_1", "node_2"));
Map<String, String> instanceState = new HashMap<String, String>();
instanceState.put("node_3", "MASTER");
instanceState.put("node_4", "SLAVE");
idealState.getRecord().setMapField("TestDB_1", instanceState);
// test AUTO mode
idealState.setIdealStateMode(IdealStateModeProperty.AUTO.toString());
Set<String> instances = idealState.getInstanceSet("TestDB_0");
// System.out.println("instances: " + instances);
Assert.assertEquals(instances.size(), 2, "Should contain node_1 and node_2");
Assert.assertTrue(instances.contains("node_1"), "Should contain node_1 and node_2");
Assert.assertTrue(instances.contains("node_2"), "Should contain node_1 and node_2");
instances = idealState.getInstanceSet("TestDB_nonExist_auto");
Assert.assertEquals(instances, Collections.emptySet(), "Should get empty set");
// test CUSTOMIZED mode
idealState.setIdealStateMode(IdealStateModeProperty.CUSTOMIZED.toString());
instances = idealState.getInstanceSet("TestDB_1");
// System.out.println("instances: " + instances);
Assert.assertEquals(instances.size(), 2, "Should contain node_3 and node_4");
Assert.assertTrue(instances.contains("node_3"), "Should contain node_3 and node_4");
Assert.assertTrue(instances.contains("node_4"), "Should contain node_3 and node_4");
instances = idealState.getInstanceSet("TestDB_nonExist_custom");
Assert.assertEquals(instances, Collections.emptySet(), "Should get empty set");
System.out.println("END " + testName + " at "
+ new Date(System.currentTimeMillis()));
}
}