| /* |
| * 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.experiments.storm.partitioner |
| |
| import java.util.{List => JList} |
| import scala.collection.JavaConverters._ |
| |
| import org.scalacheck.Gen |
| import org.scalatest.prop.PropertyChecks |
| import org.scalatest.{Matchers, PropSpec} |
| |
| import org.apache.gearpump.Message |
| import org.apache.gearpump.experiments.storm.topology.GearpumpTuple |
| import org.apache.gearpump.streaming.partitioner.Partitioner |
| |
| class StormPartitionerSpec extends PropSpec with PropertyChecks with Matchers { |
| |
| property("StormPartitioner should get partitions directed by message and target") { |
| val idGen = Gen.chooseNum[Int](0, Int.MaxValue) |
| val componentsGen = Gen.listOf[String](Gen.alphaStr).map(_.distinct).suchThat(_.size > 1) |
| val partitionsGen = Gen.listOf[Int](idGen).suchThat(_.nonEmpty).map(_.distinct.sorted.toArray) |
| val tupleFactoryGen = for { |
| values <- Gen.listOf[String](Gen.alphaStr).map(_.asJava.asInstanceOf[JList[AnyRef]]) |
| sourceTaskId <- idGen |
| sourceStreamId <- Gen.alphaStr |
| } yield (targetPartitions: Map[String, Array[Int]]) => { |
| new GearpumpTuple(values, new Integer(sourceTaskId), sourceStreamId, targetPartitions) |
| } |
| |
| forAll(tupleFactoryGen, idGen, componentsGen, partitionsGen) { |
| (tupleFactory: Map[String, Array[Int]] => GearpumpTuple, id: Int, |
| components: List[String], partitions: Array[Int]) => { |
| val currentPartitionId = id |
| val targetPartitions = components.init.map(c => (c, partitions)).toMap |
| val tuple = tupleFactory(targetPartitions) |
| targetPartitions.foreach { |
| case (target, ps) => { |
| val partitioner = new StormPartitioner(target) |
| ps shouldBe partitioner.getPartitions(Message(tuple), ps.last + 1, currentPartitionId) |
| } |
| } |
| val partitionNum = id |
| val nonTarget = components.last |
| val partitioner = new StormPartitioner(nonTarget) |
| |
| partitioner.getPartitions(Message(tuple), partitionNum, |
| currentPartitionId) shouldBe List(Partitioner.UNKNOWN_PARTITION_ID) |
| } |
| } |
| } |
| } |