| package org.apache.helix.controller.rebalancer.waged.constraints; |
| |
| /* |
| * 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 static org.mockito.Mockito.when; |
| |
| import java.util.Collections; |
| |
| import org.apache.helix.controller.rebalancer.waged.model.AssignableNode; |
| import org.apache.helix.controller.rebalancer.waged.model.AssignableReplica; |
| import org.apache.helix.controller.rebalancer.waged.model.ClusterContext; |
| import org.mockito.Mockito; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| public class TestFaultZoneAwareConstraint { |
| private static final String TEST_PARTITION = "testPartition"; |
| private static final String TEST_ZONE = "testZone"; |
| private static final String TEST_RESOURCE = "testResource"; |
| private final AssignableReplica _testReplica = Mockito.mock(AssignableReplica.class); |
| private final AssignableNode _testNode = Mockito.mock(AssignableNode.class); |
| private final ClusterContext _clusterContext = Mockito.mock(ClusterContext.class); |
| |
| private final HardConstraint _faultZoneAwareConstraint = new FaultZoneAwareConstraint(); |
| |
| @BeforeMethod |
| public void init() { |
| when(_testReplica.getResourceName()).thenReturn(TEST_RESOURCE); |
| when(_testReplica.getPartitionName()).thenReturn(TEST_PARTITION); |
| when(_testNode.getFaultZone()).thenReturn(TEST_ZONE); |
| } |
| |
| @Test |
| public void inValidWhenFaultZoneAlreadyAssigned() { |
| when(_testNode.hasFaultZone()).thenReturn(true); |
| when(_clusterContext.getPartitionsForResourceAndFaultZone(TEST_RESOURCE, TEST_ZONE)).thenReturn( |
| ImmutableSet.of(TEST_PARTITION)); |
| |
| Assert.assertFalse( |
| _faultZoneAwareConstraint.isAssignmentValid(_testNode, _testReplica, _clusterContext)); |
| } |
| |
| @Test |
| public void validWhenEmptyAssignment() { |
| when(_testNode.hasFaultZone()).thenReturn(true); |
| when(_clusterContext.getPartitionsForResourceAndFaultZone(TEST_RESOURCE, TEST_ZONE)).thenReturn(Collections.emptySet()); |
| |
| Assert.assertTrue( |
| _faultZoneAwareConstraint.isAssignmentValid(_testNode, _testReplica, _clusterContext)); |
| } |
| |
| @Test |
| public void validWhenNoFaultZone() { |
| when(_testNode.hasFaultZone()).thenReturn(false); |
| |
| Assert.assertTrue( |
| _faultZoneAwareConstraint.isAssignmentValid(_testNode, _testReplica, _clusterContext)); |
| } |
| } |