| /* |
| * 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.wayang.tests; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.apache.wayang.basic.data.Tuple2; |
| import org.apache.wayang.core.api.WayangContext; |
| import org.apache.wayang.core.plan.wayangplan.WayangPlan; |
| import org.apache.wayang.graphchi.GraphChi; |
| import org.apache.wayang.java.Java; |
| import org.apache.wayang.spark.Spark; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Integration tests for the integration of GraphChi with Wayang. |
| */ |
| public class GraphChiIntegrationIT { |
| //TODO test remove to validate if can run the clean on travis |
| //@Test |
| public void testPageRankWithJava() { |
| List<Tuple2<Character, Float>> pageRanks = new ArrayList<>(); |
| WayangPlan wayangPlan = WayangPlans.pageRankWithDictionaryCompression(pageRanks); |
| WayangContext rc = new WayangContext().with(Java.basicPlugin()).with(GraphChi.plugin()); |
| rc.execute(wayangPlan); |
| |
| // Seems like a bug in GraphChi: One too many vertices. |
| pageRanks = pageRanks.stream().filter(pr -> pr.field0 != null).collect(Collectors.toList()); |
| this.check(pageRanks); |
| |
| } |
| |
| @Test |
| public void testPageRankWithSpark() { |
| List<Tuple2<Character, Float>> pageRanks = new ArrayList<>(); |
| WayangPlan wayangPlan = WayangPlans.pageRankWithDictionaryCompression(pageRanks); |
| WayangContext rc = new WayangContext().with(Spark.basicPlugin()) |
| .with(Java.channelConversionPlugin()) |
| .with(GraphChi.plugin()); |
| rc.execute(wayangPlan); |
| |
| // Seems like a bug in GraphChi: One too many vertices. |
| pageRanks = pageRanks.stream().filter(pr -> pr.field0 != null).collect(Collectors.toList()); |
| this.check(pageRanks); |
| } |
| |
| @Test |
| public void testPageRankWithoutGraphChi() { |
| List<Tuple2<Character, Float>> pageRanks = new ArrayList<>(); |
| WayangPlan wayangPlan = WayangPlans.pageRankWithDictionaryCompression(pageRanks); |
| WayangContext rc = new WayangContext().with(Spark.basicPlugin()) |
| .with(Java.basicPlugin()) |
| .with(Java.graphPlugin()); |
| rc.execute(wayangPlan); |
| |
| this.check(pageRanks); |
| } |
| |
| private void check(List<Tuple2<Character, Float>> pageRanks) { |
| final Map<Character, Float> solutions = WayangPlans.pageRankWithDictionaryCompressionSolution(); |
| Set<Character> vertices = pageRanks.stream().map(Tuple2::getField0).collect(Collectors.toSet()); |
| solutions.forEach((k, v) -> Assert.assertTrue(String.format("Missing page rank for %s (got: %s).", k, pageRanks), vertices.contains(k))); |
| Assert.assertEquals(String.format("Illegal number of page ranks in %s.", pageRanks), solutions.size(), pageRanks.size()); |
| for (int i = 0; i < pageRanks.size(); i++) { |
| char ci = pageRanks.get(i).field0; |
| float fi = pageRanks.get(i).field1; |
| float gi = solutions.get(ci); |
| |
| for (int j = i + 1; j < pageRanks.size(); j++) { |
| char cj = pageRanks.get(j).field0; |
| float fj = pageRanks.get(j).field1; |
| float gj = solutions.get(cj); |
| |
| Assert.assertEquals( |
| (int) Math.signum(Float.compare(fi, fj)), |
| (int) Math.signum(Float.compare(gi, gj)) |
| ); |
| } |
| } |
| } |
| } |