| /* |
| * 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.samza.job.model; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.samza.Partition; |
| import org.apache.samza.config.MapConfig; |
| import org.apache.samza.container.TaskName; |
| import org.apache.samza.system.SystemStreamPartition; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class TestJobModelUtil { |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testTaskToSystemStreamPartitionsWithNullJobModel() { |
| JobModelUtil.getTaskToSystemStreamPartitions(null); |
| } |
| |
| @Test |
| public void testTaskToSystemStreamPartitions() { |
| MapConfig config = new MapConfig(ImmutableMap.of("a", "b")); |
| Set<SystemStreamPartition> ssps1 = ImmutableSet.of( |
| new SystemStreamPartition("system1", "stream1_1", new Partition(0)), |
| new SystemStreamPartition("system1", "stream1_2", new Partition(0))); |
| Set<SystemStreamPartition> ssps2 = ImmutableSet.of( |
| new SystemStreamPartition("system1", "stream2_1", new Partition(1)), |
| new SystemStreamPartition("system1", "stream2_2", new Partition(1))); |
| Set<SystemStreamPartition> ssps3 = ImmutableSet.of( |
| new SystemStreamPartition("system1", "stream3_1", new Partition(2)), |
| new SystemStreamPartition("system1", "stream3_2", new Partition(2))); |
| Set<SystemStreamPartition> ssps4 = ImmutableSet.of( |
| new SystemStreamPartition("system1", "stream4_1", new Partition(3)), |
| new SystemStreamPartition("system1", "stream4_2", new Partition(3))); |
| TaskName task1 = new TaskName("task1"); // adding this task to both container models |
| TaskName task2 = new TaskName("task2"); |
| Map<TaskName, TaskModel> tasksForContainer1 = ImmutableMap.of( |
| task1, new TaskModel(task1, ssps1, new Partition(0)), |
| task2, new TaskModel(task2, ssps2, new Partition(1))); |
| TaskName task3 = new TaskName("task3"); |
| Map<TaskName, TaskModel> tasksForContainer2 = ImmutableMap.of( |
| task3, new TaskModel(task3, ssps3, new Partition(2)), |
| task1, new TaskModel(task1, ssps4, new Partition(3))); |
| ContainerModel containerModel1 = new ContainerModel("0", tasksForContainer1); |
| ContainerModel containerModel2 = new ContainerModel("1", tasksForContainer2); |
| Map<String, ContainerModel> containers = ImmutableMap.of("0", containerModel1, "1", containerModel2); |
| |
| JobModel jobModel = new JobModel(config, containers); |
| |
| // test having same task1 in multiple containers |
| assertEquals(ssps1.size() + ssps4.size(), JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task1).size()); |
| assertTrue(JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task1).containsAll(ssps1)); |
| assertTrue(JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task1).containsAll(ssps4)); |
| |
| assertEquals(ssps2.size(), JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task2).size()); |
| assertTrue(JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task2).containsAll(ssps2)); |
| |
| assertEquals(ssps3.size(), JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task3).size()); |
| assertTrue(JobModelUtil.getTaskToSystemStreamPartitions(jobModel).get(task3).containsAll(ssps3)); |
| } |
| } |