/*
* 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.file.storage;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.apache.clerezza.rdf.core.MGraph;
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.NoSuchEntityException;
import org.apache.clerezza.rdf.core.access.TcProvider;
import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
import org.apache.clerezza.rdf.core.impl.TripleImpl;
import org.apache.clerezza.rdf.core.test.TcProviderTest;
import static org.junit.Assert.*;
/**
*
* @author mir
*/
public class FileTcProviderTest extends TcProviderTest {
private static final String FILE_PROTOCOL = "file://";
private static String tempDir = System.getProperty("java.io.tmpdir");
private static String testDir = tempDir + "/FileTcProviderTest";
@Override
protected UriRef generateUri(String name) {
String path = FILE_PROTOCOL + testDir + "/";
return new UriRef(path + name + ".rdf");
}
@Before
public void setupDirectory() {
FileUtil.setUpEmptyDirectory(testDir);
}
@After
public void deleteDataFile() {
FileUtil.delete(FileTcProvider.dataFile);
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testCreateGraph() {
super.testCreateGraph();
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testGetGraph() {
super.testGetGraph();
}
@Test
@Override
public void testGetTriples() {
TcProvider fileTcProvider = getInstance();
// add Graphs
MGraph mGraph = new SimpleMGraph();
// add MGraphs
mGraph = fileTcProvider.createMGraph(uriRefA1);
mGraph.add(new TripleImpl(uriRefA1, uriRefA1, uriRefA1));
mGraph = fileTcProvider.createMGraph(uriRefB1);
mGraph.add(new TripleImpl(uriRefB1, uriRefB1, uriRefB1));
// get a MGraph
TripleCollection tripleCollection2 = fileTcProvider.getTriples(uriRefB1);
Iterator<Triple> iterator = tripleCollection2.iterator();
assertEquals(new TripleImpl(uriRefB1, uriRefB1, uriRefB1), iterator.next());
assertFalse(iterator.hasNext());
}
@Test
@Override
public void testDeleteEntity() {
TcProvider fileTcProvider = getInstance();
MGraph mGraph = fileTcProvider.createMGraph(uriRefA);
mGraph.add(new TripleImpl(uriRefA, uriRefA, uriRefA));
fileTcProvider.deleteTripleCollection(uriRefA);
try {
fileTcProvider.getMGraph(uriRefA);
assertTrue(false);
} catch (NoSuchEntityException e) {
assertTrue(true);
}
fileTcProvider = getInstance();
try {
fileTcProvider.getMGraph(uriRefA);
assertTrue(false);
} catch (NoSuchEntityException e) {
assertTrue(true);
}
}
@Override
protected TcProvider getInstance() {
FileTcProvider fileTcProvider = new FileTcProvider();
return fileTcProvider;
}
@Test(expected=UnsupportedOperationException.class)
public void testGetNames() {
//super.testGetNames();
getInstance().getNames(new SimpleMGraph().getGraph());
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testCreateGraphExtended() throws Exception {
super.testCreateGraphExtended();
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testCreateGraphNoDuplicateNames() throws Exception {
super.testCreateGraphNoDuplicateNames();
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testCreateGraphWithInitialCollection() throws Exception {
super.testCreateGraphWithInitialCollection();
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testGraphIsNotMutable() throws Exception {
super.testGraphIsNotMutable();
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testGraphDeletion() throws Exception {
super.testGraphDeletion();
}
@Test(expected=UnsupportedOperationException.class)
@Override
public void testGetTriplesGraph() throws Exception {
super.testGetTriples();
}
@Test
public void testDataFile() {
TcProvider provider = getInstance();
provider.createMGraph(uriRefA);
File dataFile = new File("data");
assertTrue(dataFile.exists());
Set<String> expected = new HashSet<String>();
expected.add(uriRefA.getUnicodeString());
assertTrue(expected.equals(getLinesFromFile(dataFile)));
provider.createMGraph(uriRefB);
expected.add(uriRefB.getUnicodeString());
assertTrue(expected.equals(getLinesFromFile(dataFile)));
provider.deleteTripleCollection(uriRefA);
expected.remove(uriRefA.getUnicodeString());
assertTrue(expected.equals(getLinesFromFile(dataFile)));
provider.deleteTripleCollection(uriRefB);
expected.remove(uriRefB.getUnicodeString());
assertTrue(expected.equals(getLinesFromFile(dataFile)));
}
@Test
public void testAutoMGraphCreationFromExistingFile() throws Exception{
FileMGraphTest.setup();
TcProvider provider = getInstance();
MGraph mGraph = provider.getMGraph(new UriRef(
FileMGraphTest.getTempFileUri(FileMGraphTest.RDF_FILE_NAME)));
assertEquals(2 ,mGraph.size());
FileMGraphTest.cleanUp();
}
private Set<String> getLinesFromFile(File file) throws RuntimeException {
try {
FileInputStream fstream = new FileInputStream(file);
DataInputStream in = new DataInputStream(fstream);
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String strLine;
Set<String> lines = new HashSet<String>();
while ((strLine = br.readLine()) != null) {
lines.add(strLine);
}
in.close();
return lines;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}