/*
* 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.clerezza.rdf.core.access;
import java.lang.reflect.Field;
import java.util.Iterator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.apache.clerezza.rdf.core.Graph;
import org.apache.clerezza.rdf.core.Triple;
import org.apache.clerezza.rdf.core.TripleCollection;
import org.apache.clerezza.rdf.core.UriRef;
import org.apache.clerezza.rdf.core.access.providers.WeightedA;
import org.apache.clerezza.rdf.core.access.providers.WeightedA1;
import org.apache.clerezza.rdf.core.access.providers.WeightedAHeavy;
import org.apache.clerezza.rdf.core.access.providers.WeightedBlight;
import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
import org.apache.clerezza.rdf.core.impl.TripleImpl;
import org.apache.clerezza.rdf.core.sparql.NoQueryEngineException;
import org.apache.clerezza.rdf.core.sparql.QueryEngine;
import org.apache.clerezza.rdf.core.sparql.query.AskQuery;
import org.apache.clerezza.rdf.core.sparql.query.ConstructQuery;
import org.apache.clerezza.rdf.core.sparql.query.DescribeQuery;
import org.apache.clerezza.rdf.core.sparql.query.Query;
import org.apache.clerezza.rdf.core.sparql.query.SelectQuery;
import static org.junit.Assert.*;
/**
*
* @author reto
*/
public class TcManagerTest {
public static UriRef uriRefAHeavy = new UriRef("http://example.org/aHeavy");
public static UriRef uriRefB = new UriRef("http://example.org/b");;
public static final UriRef uriRefA = new UriRef("http://example.org/a");
public static final UriRef uriRefA1 = new UriRef("http://example.org/a1");
private TcManager graphAccess;
private QueryEngine queryEngine;
private final WeightedA weightedA = new WeightedA();
private final WeightedA1 weightedA1 = new WeightedA1();
private WeightedTcProvider weightedBlight = new WeightedBlight();
@Before
public void setUp() {
graphAccess = TcManager.getInstance();
graphAccess.bindWeightedTcProvider(weightedA);
graphAccess.bindWeightedTcProvider(weightedA1);
graphAccess.bindWeightedTcProvider(weightedBlight);
queryEngine = Mockito.mock(QueryEngine.class);
}
@After
public void tearDown() {
graphAccess = TcManager.getInstance();
graphAccess.unbindWeightedTcProvider(weightedA);
graphAccess.unbindWeightedTcProvider(weightedA1);
graphAccess.unbindWeightedTcProvider(weightedBlight);
queryEngine = null;
}
@Test
public void getGraphFromA() {
Graph graphA = graphAccess.getGraph(uriRefA);
Iterator<Triple> iterator = graphA.iterator();
assertEquals(new TripleImpl(uriRefA, uriRefA, uriRefA), iterator.next());
assertFalse(iterator.hasNext());
TripleCollection triplesA = graphAccess.getTriples(uriRefA);
iterator = triplesA.iterator();
assertEquals(new TripleImpl(uriRefA, uriRefA, uriRefA), iterator.next());
assertFalse(iterator.hasNext());
}
@Test
public void getGraphFromB() {
Graph graphA = graphAccess.getGraph(uriRefB);
Iterator<Triple> iterator = graphA.iterator();
assertEquals(new TripleImpl(uriRefB, uriRefB, uriRefB), iterator.next());
assertFalse(iterator.hasNext());
TripleCollection triplesA = graphAccess.getTriples(uriRefB);
iterator = triplesA.iterator();
assertEquals(new TripleImpl(uriRefB, uriRefB, uriRefB), iterator.next());
assertFalse(iterator.hasNext());
}
@Test
public void getGraphFromAAfterUnbinding() {
graphAccess.unbindWeightedTcProvider(weightedA);
Graph graphA = graphAccess.getGraph(uriRefA);
Iterator<Triple> iterator = graphA.iterator();
assertEquals(new TripleImpl(uriRefA1, uriRefA1, uriRefA1),
iterator.next());
assertFalse(iterator.hasNext());
TripleCollection triplesA = graphAccess.getTriples(uriRefA);
iterator = triplesA.iterator();
assertEquals(new TripleImpl(uriRefA1, uriRefA1, uriRefA1),
iterator.next());
assertFalse(iterator.hasNext());
}
@Test
public void getGraphFromAWithHeavy() {
final WeightedAHeavy weightedAHeavy = new WeightedAHeavy();
graphAccess.bindWeightedTcProvider(weightedAHeavy);
Graph graphA = graphAccess.getGraph(uriRefA);
Iterator<Triple> iterator = graphA.iterator();
assertEquals(new TripleImpl(uriRefAHeavy, uriRefAHeavy, uriRefAHeavy),
iterator.next());
assertFalse(iterator.hasNext());
TripleCollection triplesA = graphAccess.getTriples(uriRefA);
iterator = triplesA.iterator();
assertEquals(new TripleImpl(uriRefAHeavy, uriRefAHeavy, uriRefAHeavy),
iterator.next());
assertFalse(iterator.hasNext());
graphAccess.unbindWeightedTcProvider(weightedAHeavy);
}
@Test(expected = NoQueryEngineException.class)
public void executeSparqlQueryNoEngineWithString() throws Exception {
// Prepare
injectQueryEngine(null);
// Execute
graphAccess.executeSparqlQuery("", new SimpleMGraph());
}
@Test(expected = NoQueryEngineException.class)
public void executeSparqlQueryNoEngineWithQuery() throws Exception {
// Prepare
injectQueryEngine(null);
// Execute
graphAccess.executeSparqlQuery((Query) null, new SimpleMGraph());
}
@Test(expected = NoQueryEngineException.class)
public void executeSparqlQueryNoEngineWithSelectQuery() throws Exception {
// Prepare
injectQueryEngine(null);
// Execute
graphAccess.executeSparqlQuery((SelectQuery) null, new SimpleMGraph());
}
@Test(expected = NoQueryEngineException.class)
public void executeSparqlQueryNoEngineWithAskQuery() throws Exception {
// Prepare
injectQueryEngine(null);
// Execute
graphAccess.executeSparqlQuery((AskQuery) null, new SimpleMGraph());
}
@Test(expected = NoQueryEngineException.class)
public void executeSparqlQueryNoEngineWithDescribeQuery() throws Exception {
// Prepare
injectQueryEngine(null);
// Execute
graphAccess
.executeSparqlQuery((DescribeQuery) null, new SimpleMGraph());
}
@Test(expected = NoQueryEngineException.class)
public void executeSparqlQueryNoEngineWithConstructQuery() throws Exception {
// Prepare
injectQueryEngine(null);
// Execute
graphAccess.executeSparqlQuery((ConstructQuery) null,
new SimpleMGraph());
}
@Test
public void executeSparqlQueryWithEngineWithString() throws Exception {
// Prepare
injectQueryEngine(queryEngine);
TripleCollection tripleCollection = new SimpleMGraph();
// Execute
graphAccess.executeSparqlQuery("", tripleCollection);
// Verify
Mockito.verify(queryEngine).execute(graphAccess, tripleCollection, "");
Mockito.verify(queryEngine, Mockito.never()).execute(
(TcManager) Mockito.anyObject(),
(TripleCollection) Mockito.anyObject(),
(Query) Mockito.anyObject());
}
@Test
public void executeSparqlQueryWithEngineWithSelectQuery() throws Exception {
// Prepare
injectQueryEngine(queryEngine);
TripleCollection tripleCollection = new SimpleMGraph();
SelectQuery query = Mockito.mock(SelectQuery.class);
// Execute
graphAccess.executeSparqlQuery(query, tripleCollection);
// Verify
Mockito.verify(queryEngine).execute(graphAccess, tripleCollection,
(Query) query);
Mockito.verify(queryEngine, Mockito.never()).execute(
(TcManager) Mockito.anyObject(),
(TripleCollection) Mockito.anyObject(), Mockito.anyString());
}
@Test
public void executeSparqlQueryWithEngineWithAskQuery() throws Exception {
// Prepare
injectQueryEngine(queryEngine);
TripleCollection tripleCollection = new SimpleMGraph();
AskQuery query = Mockito.mock(AskQuery.class);
Mockito.when(
queryEngine.execute((TcManager) Mockito.anyObject(),
(TripleCollection) Mockito.anyObject(),
(Query) Mockito.anyObject())).thenReturn(Boolean.TRUE);
// Execute
graphAccess.executeSparqlQuery(query, tripleCollection);
// Verify
Mockito.verify(queryEngine).execute(graphAccess, tripleCollection,
(Query) query);
Mockito.verify(queryEngine, Mockito.never()).execute(
(TcManager) Mockito.anyObject(),
(TripleCollection) Mockito.anyObject(), Mockito.anyString());
}
@Test
public void executeSparqlQueryWithEngineWithDescribeQuery()
throws Exception {
// Prepare
injectQueryEngine(queryEngine);
TripleCollection tripleCollection = new SimpleMGraph();
DescribeQuery query = Mockito.mock(DescribeQuery.class);
// Execute
graphAccess.executeSparqlQuery(query, tripleCollection);
// Verify
Mockito.verify(queryEngine).execute(graphAccess, tripleCollection,
(Query) query);
Mockito.verify(queryEngine, Mockito.never()).execute(
(TcManager) Mockito.anyObject(),
(TripleCollection) Mockito.anyObject(), Mockito.anyString());
}
@Test
public void executeSparqlQueryWithEngineWithConstructQuery()
throws Exception {
// Prepare
injectQueryEngine(queryEngine);
TripleCollection tripleCollection = new SimpleMGraph();
ConstructQuery query = Mockito.mock(ConstructQuery.class);
// Execute
graphAccess.executeSparqlQuery(query, tripleCollection);
// Verify
Mockito.verify(queryEngine).execute(graphAccess, tripleCollection,
(Query) query);
Mockito.verify(queryEngine, Mockito.never()).execute(
(TcManager) Mockito.anyObject(),
(TripleCollection) Mockito.anyObject(), Mockito.anyString());
}
// ------------------------------------------------------------------------
// Implementing QueryableTcProvider
// ------------------------------------------------------------------------
private void injectQueryEngine(QueryEngine engine)
throws NoSuchFieldException, IllegalAccessException {
Field queryEngineField = TcManager.class
.getDeclaredField("queryEngine");
queryEngineField.setAccessible(true);
queryEngineField.set(graphAccess, engine);
}
}