/** * 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.entity.query; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.mockito.Mockito.mock; import java.math.BigInteger; import java.util.ArrayList; import java.util.List; import org.apache.rya.api.domain.RyaIRI; import org.apache.rya.api.domain.VarNameUtils; import org.apache.rya.api.resolver.RdfToRyaConversions; import org.apache.rya.indexing.entity.model.Entity; import org.apache.rya.indexing.entity.model.Property; import org.apache.rya.indexing.entity.model.Type; import org.apache.rya.indexing.entity.storage.EntityStorage; import org.apache.rya.indexing.entity.storage.mongo.MongoEntityStorage; import org.apache.rya.test.mongo.MongoITBase; import org.eclipse.rdf4j.common.iteration.CloseableIteration; import org.eclipse.rdf4j.model.ValueFactory; import org.eclipse.rdf4j.model.impl.SimpleValueFactory; import org.eclipse.rdf4j.model.vocabulary.RDF; import org.eclipse.rdf4j.query.BindingSet; import org.eclipse.rdf4j.query.MalformedQueryException; import org.eclipse.rdf4j.query.QueryEvaluationException; import org.eclipse.rdf4j.query.algebra.StatementPattern; import org.eclipse.rdf4j.query.algebra.helpers.StatementPatternCollector; import org.eclipse.rdf4j.query.impl.MapBindingSet; import org.eclipse.rdf4j.query.parser.sparql.SPARQLParser; import org.junit.Test; import com.google.common.collect.ImmutableSet; /** * Integration tests the methods of {@link EntityQueryNode}. */ public class EntityQueryNodeIT extends MongoITBase { private static final Type PERSON_TYPE = new Type(new RyaIRI("urn:person"), ImmutableSet.<RyaIRI>builder() .add(new RyaIRI("urn:name")) .add(new RyaIRI("urn:age")) .add(new RyaIRI("urn:eye")) .build()); private static final Type EMPLOYEE_TYPE = new Type(new RyaIRI("urn:employee"), ImmutableSet.<RyaIRI>builder() .add(new RyaIRI("urn:name")) .add(new RyaIRI("urn:hoursPerWeek")) .build()); @Test(expected = IllegalStateException.class) public void constructor_differentSubjects() throws Exception { // A pattern that has two different subjects. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "<urn:SSN:111-11-1111> <" + RDF.TYPE + "> <urn:person> ."+ "<urn:SSN:111-11-1111> <urn:age> ?age . " + "<urn:SSN:111-11-1111> <urn:eye> ?eye . " + "<urn:SSN:111-11-1111> <urn:name> ?name . " + "<urn:SSN:222-22-2222> <urn:age> ?age . " + "<urn:SSN:222-22-2222> <urn:eye> ?eye . " + "<urn:SSN:222-22-2222> <urn:name> ?name . " + "}"); // This will fail. new EntityQueryNode(PERSON_TYPE, patterns, mock(EntityStorage.class)); } @Test(expected = IllegalStateException.class) public void constructor_variablePredicate() throws Exception { // A pattern that has a variable for its predicate. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "?subject <" + RDF.TYPE + "> <urn:person> ."+ "?subject ?variableProperty ?value . " + "?subject <urn:eye> ?eye . " + "?subject <urn:name> ?name . " + "}"); // This will fail. new EntityQueryNode(PERSON_TYPE, patterns, mock(EntityStorage.class)); } @Test(expected = IllegalStateException.class) public void constructor_predicateNotPartOfType() throws Exception { // A pattern that does uses a predicate that is not part of the type. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "?subject <" + RDF.TYPE + "> <urn:person> ."+ "?subject <urn:age> ?age . " + "?subject <urn:eye> ?eye . " + "?subject <urn:name> ?name . " + "?subject <urn:notPartOfType> ?value . " + "}"); // This will fail. new EntityQueryNode(PERSON_TYPE, patterns, mock(EntityStorage.class)); } @Test(expected = IllegalStateException.class) public void constructor_typeMissing() throws Exception { // A pattern that does uses a predicate that is not part of the type. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "?subject <urn:age> ?age . " + "?subject <urn:eye> ?eye . " + "?subject <urn:name> ?name . " + "}"); // This will fail. new EntityQueryNode(PERSON_TYPE, patterns, mock(EntityStorage.class)); } @Test(expected = IllegalStateException.class) public void constructor_wrongType() throws Exception { // A pattern that does uses a predicate that is not part of the type. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "?subject <" + RDF.TYPE + "> <urn:person> ."+ "?subject <urn:age> ?age . " + "?subject <urn:eye> ?eye . " + "?subject <urn:name> ?name . " + "}"); // This will fail. new EntityQueryNode(EMPLOYEE_TYPE, patterns, mock(EntityStorage.class)); } @Test public void evaluate_constantSubject() throws Exception { final EntityStorage storage = new MongoEntityStorage(super.getMongoClient(), "testDB"); final ValueFactory vf = SimpleValueFactory.getInstance(); final RyaIRI subject = new RyaIRI("urn:SSN:111-11-1111"); final Entity entity = Entity.builder() .setSubject(subject) .setExplicitType(PERSON_TYPE.getId()) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:age"), RdfToRyaConversions.convertLiteral(vf.createLiteral(BigInteger.valueOf(20))))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:eye"), RdfToRyaConversions.convertLiteral(vf.createLiteral("blue")))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:name"), RdfToRyaConversions.convertLiteral(vf.createLiteral("Bob")))) .build(); storage.create(entity); // A set of patterns that match a sepecific Entity subject. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "<urn:SSN:111-11-1111> <" + RDF.TYPE + "> <urn:person> ."+ "<urn:SSN:111-11-1111> <urn:age> ?age . " + "<urn:SSN:111-11-1111> <urn:eye> ?eye . " + "<urn:SSN:111-11-1111> <urn:name> ?name . " + "}"); final EntityQueryNode node = new EntityQueryNode(PERSON_TYPE, patterns, storage); final CloseableIteration<BindingSet, QueryEvaluationException> rez = node.evaluate(new MapBindingSet()); final MapBindingSet expected = new MapBindingSet(); expected.addBinding("age", vf.createLiteral("20")); expected.addBinding("eye", vf.createLiteral("blue")); expected.addBinding("name", vf.createLiteral("Bob")); while(rez.hasNext()) { assertEquals(expected, rez.next()); break; } } @Test public void evaluate_variableSubject() throws Exception { final EntityStorage storage = new MongoEntityStorage(super.getMongoClient(), "testDB"); final ValueFactory vf = SimpleValueFactory.getInstance(); RyaIRI subject = new RyaIRI("urn:SSN:111-11-1111"); final Entity bob = Entity.builder() .setSubject(subject) .setExplicitType(PERSON_TYPE.getId()) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:age"), RdfToRyaConversions.convertLiteral(vf.createLiteral(BigInteger.valueOf(20))))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:eye"), RdfToRyaConversions.convertLiteral(vf.createLiteral("blue")))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:name"), RdfToRyaConversions.convertLiteral(vf.createLiteral("Bob")))) .build(); subject = new RyaIRI("urn:SSN:222-22-2222"); final Entity fred = Entity.builder() .setSubject(subject) .setExplicitType(PERSON_TYPE.getId()) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:age"), RdfToRyaConversions.convertLiteral(vf.createLiteral(BigInteger.valueOf(25))))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:eye"), RdfToRyaConversions.convertLiteral(vf.createLiteral("brown")))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:name"), RdfToRyaConversions.convertLiteral(vf.createLiteral("Fred")))) .build(); storage.create(bob); storage.create(fred); // A set of patterns that match a sepecific Entity subject. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "?ssn <" + RDF.TYPE + "> <urn:person> ."+ "?ssn <urn:age> ?age . " + "?ssn <urn:eye> ?eye . " + "?ssn <urn:name> ?name . " + "}"); final EntityQueryNode node = new EntityQueryNode(PERSON_TYPE, patterns, storage); final CloseableIteration<BindingSet, QueryEvaluationException> rez = node.evaluate(new MapBindingSet()); final List<BindingSet> expectedBindings = new ArrayList<>(); final MapBindingSet expectedBob = new MapBindingSet(); expectedBob.addBinding("age", vf.createLiteral("20")); expectedBob.addBinding("eye", vf.createLiteral("blue")); expectedBob.addBinding("name", vf.createLiteral("Bob")); final MapBindingSet expectedFred = new MapBindingSet(); expectedFred.addBinding("age", vf.createLiteral("25")); expectedFred.addBinding("eye", vf.createLiteral("brown")); expectedFred.addBinding("name", vf.createLiteral("Fred")); expectedBindings.add(expectedBob); expectedBindings.add(expectedFred); while(rez.hasNext()) { final BindingSet bs = rez.next(); assertTrue(expectedBindings.contains(bs)); } } @Test public void evaluate_constantObject() throws Exception { final EntityStorage storage = new MongoEntityStorage(super.getMongoClient(), "testDB"); final ValueFactory vf = SimpleValueFactory.getInstance(); final RyaIRI subject = new RyaIRI("urn:SSN:111-11-1111"); final Entity entity = Entity.builder() .setSubject(subject) .setExplicitType(PERSON_TYPE.getId()) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:age"), RdfToRyaConversions.convertLiteral(vf.createLiteral(BigInteger.valueOf(20))))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:eye"), RdfToRyaConversions.convertLiteral(vf.createLiteral("blue")))) .setProperty(PERSON_TYPE.getId(), new Property(new RyaIRI("urn:name"), RdfToRyaConversions.convertLiteral(vf.createLiteral("Bob")))) .build(); storage.create(entity); // A set of patterns that match a specific Entity subject. final List<StatementPattern> patterns = getSPs( "SELECT * WHERE { " + "<urn:SSN:111-11-1111> <" + RDF.TYPE + "> <urn:person> ."+ "<urn:SSN:111-11-1111> <urn:age> ?age . " + "<urn:SSN:111-11-1111> <urn:eye> \"blue\" . " + "<urn:SSN:111-11-1111> <urn:name> ?name . " + "}"); final EntityQueryNode node = new EntityQueryNode(PERSON_TYPE, patterns, storage); final CloseableIteration<BindingSet, QueryEvaluationException> rez = node.evaluate(new MapBindingSet()); final MapBindingSet expected = new MapBindingSet(); expected.addBinding("age", vf.createLiteral("20")); expected.addBinding(VarNameUtils.createUniqueConstVarNameLiteral("blue"), vf.createLiteral("blue")); expected.addBinding("name", vf.createLiteral("Bob")); while(rez.hasNext()) { assertEquals(expected, rez.next()); break; } } /** * TODO doc * * @param sparql * @return * @throws MalformedQueryException */ private static List<StatementPattern> getSPs(final String sparql) throws MalformedQueryException { final StatementPatternCollector spCollector = new StatementPatternCollector(); new SPARQLParser().parseQuery(sparql, null).getTupleExpr().visit(spCollector); return spCollector.getStatementPatterns(); } }