| /* |
| * 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.gearpump.streaming.task |
| |
| import org.scalatest.{FlatSpec, Matchers} |
| |
| import org.apache.gearpump.streaming.partitioner.{HashPartitioner, Partitioner} |
| import org.apache.gearpump.streaming.task.SubscriberSpec.TestTask |
| import org.apache.gearpump.streaming.{DAG, ProcessorDescription} |
| import org.apache.gearpump.util.Graph |
| import org.apache.gearpump.util.Graph._ |
| |
| class SubscriberSpec extends FlatSpec with Matchers { |
| "Subscriber.of" should "return all subscriber for a processor" in { |
| |
| val sourceProcessorId = 0 |
| val task1 = ProcessorDescription(id = sourceProcessorId, taskClass = |
| classOf[TestTask].getName, parallelism = 1) |
| val task2 = ProcessorDescription(id = 1, taskClass = classOf[TestTask].getName, parallelism = 1) |
| val task3 = ProcessorDescription(id = 2, taskClass = classOf[TestTask].getName, parallelism = 1) |
| val partitioner = Partitioner[HashPartitioner] |
| val dag = DAG(Graph(task1 ~ partitioner ~> task2, task1 ~ partitioner ~> task3, |
| task2 ~ partitioner ~> task3)) |
| |
| val subscribers = Subscriber.of(sourceProcessorId, dag) |
| assert(subscribers.size == 2) |
| |
| assert(subscribers.toSet == |
| Set(Subscriber(1, partitioner, task2.parallelism, task2.life), Subscriber(2, partitioner, |
| task3.parallelism, task3.life))) |
| } |
| } |
| |
| object SubscriberSpec { |
| class TestTask |
| } |