| /* |
| * 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.core.mapping; |
| |
| import java.util.List; |
| import org.apache.wayang.core.plan.wayangplan.Operator; |
| import org.apache.wayang.core.plan.wayangplan.UnarySink; |
| import org.apache.wayang.core.plan.wayangplan.UnarySource; |
| import org.apache.wayang.core.plan.wayangplan.WayangPlan; |
| import org.apache.wayang.core.plan.wayangplan.test.TestSink; |
| import org.apache.wayang.core.plan.wayangplan.test.TestSource; |
| import org.apache.wayang.core.test.TestDataUnit; |
| import org.apache.wayang.core.types.DataSetType; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Test suite for the {@link SubplanPattern}. |
| */ |
| public class SubplanPatternTest { |
| |
| @Test |
| public void testMatchSinkPattern() { |
| // Build the plan. |
| UnarySource source = new TestSource(DataSetType.createDefault(TestDataUnit.class)); |
| UnarySink sink = new TestSink(DataSetType.createDefault(TestDataUnit.class)); |
| source.connectTo(0, sink, 0); |
| WayangPlan plan = new WayangPlan(); |
| plan.addSink(sink); |
| |
| // Build the pattern. |
| OperatorPattern sinkPattern = new OperatorPattern("sink", new TestSink(DataSetType.createDefault(TestDataUnit.class)), false); |
| SubplanPattern subplanPattern = SubplanPattern.createSingleton(sinkPattern); |
| |
| // Match the pattern against the plan. |
| final List<SubplanMatch> matches = subplanPattern.match(plan, Operator.FIRST_EPOCH); |
| |
| // Evaluate the matches. |
| Assert.assertEquals(1, matches.size()); |
| final SubplanMatch match = matches.get(0); |
| Assert.assertEquals(sink, match.getOperatorMatches().get("sink").getOperator()); |
| } |
| |
| @Test |
| public void testMatchSourcePattern() { |
| // Build the plan. |
| UnarySource source = new TestSource(DataSetType.createDefault(TestDataUnit.class)); |
| UnarySink sink = new TestSink(DataSetType.createDefault(TestDataUnit.class)); |
| source.connectTo(0, sink, 0); |
| WayangPlan plan = new WayangPlan(); |
| plan.addSink(sink); |
| |
| // Build the pattern. |
| OperatorPattern sourcePattern = new OperatorPattern("source", new TestSource(DataSetType.createDefault(TestDataUnit.class)), false); |
| SubplanPattern subplanPattern = SubplanPattern.createSingleton(sourcePattern); |
| |
| // Match the pattern against the plan. |
| final List<SubplanMatch> matches = subplanPattern.match(plan, Operator.FIRST_EPOCH); |
| |
| // Evaluate the matches. |
| Assert.assertEquals(1, matches.size()); |
| final SubplanMatch match = matches.get(0); |
| Assert.assertEquals(source, match.getOperatorMatches().get("source").getOperator()); |
| } |
| |
| @Test |
| public void testMatchChainedPattern() { |
| // Build the plan. |
| UnarySource source = new TestSource(DataSetType.createDefault(TestDataUnit.class)); |
| UnarySink sink = new TestSink(DataSetType.createDefault(TestDataUnit.class)); |
| source.connectTo(0, sink, 0); |
| WayangPlan plan = new WayangPlan(); |
| plan.addSink(sink); |
| |
| // Build the pattern. |
| OperatorPattern sourcePattern = new OperatorPattern("source", new TestSource(DataSetType.createDefault(TestDataUnit.class)), false); |
| OperatorPattern sinkPattern = new OperatorPattern("sink", new TestSink(DataSetType.createDefault(TestDataUnit.class)), false); |
| sourcePattern.connectTo(0, sinkPattern, 0); |
| SubplanPattern subplanPattern = SubplanPattern.fromOperatorPatterns(sourcePattern, sinkPattern); |
| |
| // Match the pattern against the plan. |
| final List<SubplanMatch> matches = subplanPattern.match(plan, Operator.FIRST_EPOCH); |
| |
| // Evaluate the matches. |
| Assert.assertEquals(1, matches.size()); |
| final SubplanMatch match = matches.get(0); |
| Assert.assertEquals(source, match.getOperatorMatches().get("source").getOperator()); |
| Assert.assertEquals(sink, match.getOperatorMatches().get("sink").getOperator()); |
| } |
| |
| } |