| /** |
| * 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. |
| */ |
| |
| package org.apache.heron.healthmgr.common; |
| |
| import java.util.HashSet; |
| |
| import com.microsoft.dhalion.events.EventManager; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.heron.healthmgr.common.HealthManagerEvents.TopologyUpdate; |
| import org.apache.heron.packing.roundrobin.RoundRobinPacking; |
| import org.apache.heron.proto.system.PackingPlans; |
| import org.apache.heron.spi.packing.PackingPlan; |
| import org.apache.heron.spi.statemgr.SchedulerStateManagerAdaptor; |
| import org.apache.heron.spi.utils.PackingTestUtils; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| public class PackingPlanProviderTest { |
| private String topologyName = "topologyName"; |
| private EventManager eventManager = new EventManager(); |
| |
| @Test |
| public void fetchesAndCachesPackingFromStateMgr() { |
| PackingPlans.PackingPlan proto |
| = PackingTestUtils.testProtoPackingPlan(topologyName, new RoundRobinPacking()); |
| |
| SchedulerStateManagerAdaptor adaptor = mock(SchedulerStateManagerAdaptor.class); |
| when(adaptor.getPackingPlan(topologyName)).thenReturn(proto); |
| |
| PackingPlanProvider provider = new PackingPlanProvider(adaptor, eventManager, topologyName); |
| PackingPlan packing = provider.get(); |
| Assert.assertEquals(1, packing.getContainers().size()); |
| |
| // once fetched it is cached |
| provider.get(); |
| verify(adaptor, times(1)).getPackingPlan(topologyName); |
| } |
| |
| @Test |
| public void refreshesPackingPlanOnUpdate() { |
| PackingPlans.PackingPlan proto |
| = PackingTestUtils.testProtoPackingPlan(topologyName, new RoundRobinPacking()); |
| |
| SchedulerStateManagerAdaptor adaptor = mock(SchedulerStateManagerAdaptor.class); |
| when(adaptor.getPackingPlan(topologyName)).thenReturn(proto); |
| |
| PackingPlanProvider provider = new PackingPlanProvider(adaptor, eventManager, topologyName); |
| PackingPlan packing = provider.get(); |
| Assert.assertEquals(1, packing.getContainers().size()); |
| |
| provider.onEvent(new TopologyUpdate(null, null)); |
| provider.get(); |
| verify(adaptor, times(2)).getPackingPlan(topologyName); |
| } |
| |
| @Test |
| public void providesBoltInstanceNames() { |
| PackingPlans.PackingPlan proto |
| = PackingTestUtils.testProtoPackingPlan(topologyName, new RoundRobinPacking()); |
| |
| SchedulerStateManagerAdaptor adaptor = mock(SchedulerStateManagerAdaptor.class); |
| when(adaptor.getPackingPlan(topologyName)).thenReturn(proto); |
| |
| PackingPlanProvider packing = new PackingPlanProvider(adaptor, eventManager, topologyName); |
| |
| String[] boltNames = packing.getBoltInstanceNames("testBolt"); |
| assertEquals(3, boltNames.length); |
| |
| HashSet<String> expectedBoltNames = new HashSet<>(); |
| expectedBoltNames.add("container_1_testBolt_3"); |
| expectedBoltNames.add("container_1_testBolt_4"); |
| expectedBoltNames.add("container_1_testBolt_5"); |
| |
| for (String name : boltNames) { |
| expectedBoltNames.remove(name); |
| } |
| assertEquals(0, expectedBoltNames.size()); |
| } |
| } |