| /* |
| * 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.rya.indexing.pcj.storage.accumulo; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.Set; |
| |
| import org.eclipse.rdf4j.query.MalformedQueryException; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Sets; |
| |
| /** |
| * Tests the methods of {@link ShiftVarOrderFactory}. |
| */ |
| public class ShiftVarOrderFactoryTest { |
| |
| @Test |
| public void makeVarOrders_fromSPARQL() throws MalformedQueryException { |
| // The SPARQL whose PCJ var orders will be generated from. |
| final String sparql = |
| "SELECT ?a ?b ?c " + |
| "WHERE { " + |
| "?a <http://talksTo> ?b. " + |
| "?b <http://worksAt> ?c. " + |
| "}"; |
| |
| // Run the test. |
| final PcjVarOrderFactory factory = new ShiftVarOrderFactory(); |
| final Set<VariableOrder> varOrders = factory.makeVarOrders(sparql); |
| |
| // Ensure the returned set matches the expected results. |
| final Set<VariableOrder> expected = Sets.newHashSet(); |
| expected.add( new VariableOrder("a", "b", "c") ); |
| expected.add( new VariableOrder("c", "a", "b") ); |
| expected.add( new VariableOrder("b", "c", "a") ); |
| assertEquals(expected, varOrders); |
| } |
| |
| @Test |
| public void makeVarOrders_fromVarOrder() { |
| // The VariableOrder whose PCJ var orders will be generated from. |
| final VariableOrder varOrder = new VariableOrder("a", "b", "c"); |
| |
| // Run the test. |
| final PcjVarOrderFactory factory = new ShiftVarOrderFactory(); |
| final Set<VariableOrder> varOrders = factory.makeVarOrders(varOrder); |
| |
| // Ensure the returned set matches the expected results. |
| final Set<VariableOrder> expected = Sets.newHashSet(); |
| expected.add( new VariableOrder("a", "b", "c") ); |
| expected.add( new VariableOrder("c", "a", "b") ); |
| expected.add( new VariableOrder("b", "c", "a") ); |
| assertEquals(expected, varOrders); |
| } |
| } |