| /* |
| * 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.external.tupleSet; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.rdf4j.query.MalformedQueryException; |
| import org.eclipse.rdf4j.query.algebra.Projection; |
| import org.eclipse.rdf4j.query.parser.ParsedQuery; |
| import org.eclipse.rdf4j.query.parser.sparql.SPARQLParser; |
| import org.junit.Test; |
| |
| /** |
| * Tests {@link SimpleExternalTupleSet}. |
| */ |
| public class SimpleExternalTupleSetTest { |
| |
| @Test |
| public void equals_equals() throws MalformedQueryException { |
| // The common PCJ expression. |
| final String sparql = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:associatesWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query = new SPARQLParser().parseQuery(sparql, null); |
| final Projection pcjExpression = (Projection) query.getTupleExpr(); |
| |
| // Create two SimpleExternalTupleSet pbjects using the same expression. |
| final SimpleExternalTupleSet testSet = new SimpleExternalTupleSet(pcjExpression); |
| final SimpleExternalTupleSet identicalTestSet = new SimpleExternalTupleSet(pcjExpression); |
| |
| // Show that they are equal. |
| assertEquals(testSet, identicalTestSet); |
| } |
| |
| @Test |
| public void equals_notEquals() throws MalformedQueryException { |
| // Create the first SimpleExternalTupleSet object. |
| final String sparql1 = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:associatesWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query1 = new SPARQLParser().parseQuery(sparql1, null); |
| final Projection pcjExpression1 = (Projection) query1.getTupleExpr(); |
| final SimpleExternalTupleSet set1 = new SimpleExternalTupleSet(pcjExpression1); |
| |
| // Create another one using a different expression. |
| final String sparql2 = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:friendsWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query2 = new SPARQLParser().parseQuery(sparql2, null); |
| final Projection pcjExpression2 = (Projection) query2.getTupleExpr(); |
| final SimpleExternalTupleSet set2 = new SimpleExternalTupleSet(pcjExpression2); |
| |
| // Show they are not equal. |
| assertNotEquals(set1, set2); |
| } |
| |
| @Test |
| public void hashCode_same() throws MalformedQueryException { |
| // The common PCJ expression. |
| final String sparql = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:associatesWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query = new SPARQLParser().parseQuery(sparql, null); |
| final Projection pcjExpression = (Projection) query.getTupleExpr(); |
| |
| // Create two SimpleExternalTupleSet pbjects using the same expression. |
| final SimpleExternalTupleSet testSet = new SimpleExternalTupleSet(pcjExpression); |
| final SimpleExternalTupleSet identicalTestSet = new SimpleExternalTupleSet(pcjExpression); |
| |
| // Show that they are equal. |
| assertEquals(testSet.hashCode(), identicalTestSet.hashCode()); |
| } |
| |
| public void hashCode_notSame() throws MalformedQueryException { |
| // Create the first SimpleExternalTupleSet object. |
| final String sparql1 = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:associatesWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query1 = new SPARQLParser().parseQuery(sparql1, null); |
| final Projection pcjExpression1 = (Projection) query1.getTupleExpr(); |
| final SimpleExternalTupleSet set1 = new SimpleExternalTupleSet(pcjExpression1); |
| |
| // Create another one using a different expression. |
| final String sparql2 = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:friendsWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query2 = new SPARQLParser().parseQuery(sparql2, null); |
| final Projection pcjExpression2 = (Projection) query2.getTupleExpr(); |
| final SimpleExternalTupleSet set2 = new SimpleExternalTupleSet(pcjExpression2); |
| |
| // Show they are not equal. |
| assertNotEquals(set1.hashCode(), set2.hashCode()); |
| } |
| |
| @Test |
| public void getSupportedVariableOrderMap() throws MalformedQueryException { |
| // Create the PCJ expression. |
| final String sparql = |
| "SELECT ?f ?m ?d { " + |
| "?f <urn:talksTo> ?m . " + |
| "?m <uri:associatesWith> ?d . " + |
| "}"; |
| |
| final ParsedQuery query = new SPARQLParser().parseQuery(sparql, null); |
| final Projection pcjExpression = (Projection) query.getTupleExpr(); |
| |
| // Create the object that is being tested. |
| final SimpleExternalTupleSet testSet = new SimpleExternalTupleSet(pcjExpression); |
| |
| // Verify the correct Supported Variable Order Map is created. |
| final Map<String, Set<String>> expected = new HashMap<>(); |
| |
| String varOrder = "f"; |
| Set<String> vars = new HashSet<>(); |
| vars.add("f"); |
| expected.put(varOrder, vars); |
| |
| varOrder = "f;m"; |
| vars = new HashSet<>(); |
| vars.add("f"); |
| vars.add("m"); |
| expected.put(varOrder, vars); |
| |
| varOrder = "f;m;d"; |
| vars = new HashSet<>(); |
| vars.add("f"); |
| vars.add("m"); |
| vars.add("d"); |
| expected.put(varOrder, vars); |
| |
| assertEquals(expected, testSet.getSupportedVariableOrderMap()); |
| } |
| } |