/*
* 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.jackrabbit.oak.plugins.blob.datastore;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.Set;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Sets;
import org.apache.commons.io.IOUtils;
import org.apache.jackrabbit.core.data.DataIdentifier;
import org.apache.jackrabbit.core.data.DataRecord;
import org.apache.jackrabbit.core.data.DataStore;
import org.apache.jackrabbit.core.data.DataStoreException;
import org.apache.jackrabbit.oak.spi.blob.BlobStoreInputStream;
import org.junit.Test;
import static org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStore.BlobId;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class DataStoreBlobStoreTest {
@Test
public void testInlineBinary() throws DataStoreException, IOException {
int maxInlineSize = 300;
DataStore mockedDS = mock(DataStore.class);
when(mockedDS.getMinRecordLength()).thenReturn(maxInlineSize);
DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);
byte[] data = new byte[maxInlineSize];
new Random().nextBytes(data);
DataRecord dr = ds.addRecord(new ByteArrayInputStream(data));
assertTrue(InMemoryDataRecord.isInstance(dr.getIdentifier().toString()));
assertTrue(IOUtils.contentEquals(new ByteArrayInputStream(data), dr.getStream()));
assertTrue(IOUtils.contentEquals(new ByteArrayInputStream(data),
new BlobStoreInputStream(ds, dr.getIdentifier().toString(), 0)));
assertEquals(dr, ds.getRecordIfStored(dr.getIdentifier()));
assertEquals(dr, ds.getRecord(dr.getIdentifier()));
//Check for BlobStore methods
assertEquals(maxInlineSize, ds.getBlobLength(dr.getIdentifier().toString()));
assertEquals(dr.getIdentifier().toString(), BlobId.of(ds.writeBlob(new ByteArrayInputStream(data))).blobId);
}
@Test
public void testExternalBinary() throws DataStoreException, IOException {
int maxInlineSize = 300;
int actualSize = maxInlineSize + 10;
byte[] data = new byte[actualSize];
new Random().nextBytes(data);
DataIdentifier testDI = new DataIdentifier("test");
DataRecord testDR = new ByteArrayDataRecord(data, testDI, "testReference");
DataStore mockedDS = mock(DataStore.class);
when(mockedDS.getMinRecordLength()).thenReturn(maxInlineSize);
when(mockedDS.getRecord(testDI)).thenReturn(testDR);
when(mockedDS.getRecordIfStored(testDI)).thenReturn(testDR);
when(mockedDS.addRecord(any(InputStream.class))).thenReturn(testDR);
DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);
DataRecord dr = ds.addRecord(new ByteArrayInputStream(data));
assertFalse(InMemoryDataRecord.isInstance(dr.getIdentifier().toString()));
assertEquals(testDI, dr.getIdentifier());
assertTrue(IOUtils.contentEquals(new ByteArrayInputStream(data), dr.getStream()));
assertTrue(IOUtils.contentEquals(new ByteArrayInputStream(data),
new BlobStoreInputStream(ds, dr.getIdentifier().toString(), 0)));
assertEquals(dr, ds.getRecordIfStored(dr.getIdentifier()));
assertEquals(dr, ds.getRecord(dr.getIdentifier()));
assertEquals(actualSize, ds.getBlobLength(dr.getIdentifier().toString()));
assertEquals(testDI.toString(), BlobId.of(ds.writeBlob(new ByteArrayInputStream(data))).blobId);
}
@Test
public void testReference() throws DataStoreException, IOException {
String reference = "testReference";
String blobId = "test";
DataIdentifier testDI = new DataIdentifier(blobId);
DataRecord testDR = new ByteArrayDataRecord("foo".getBytes(), testDI, reference);
DataStore mockedDS = mock(DataStore.class);
when(mockedDS.getRecordFromReference(reference)).thenReturn(testDR);
when(mockedDS.getRecord(testDI)).thenReturn(testDR);
DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);
assertEquals(reference,ds.getReference(blobId));
assertEquals(blobId, BlobId.of(ds.getBlobId(reference)).blobId);
assertEquals(BlobId.of(testDR).encodedValue(),ds.getBlobId(reference));
String inMemBlobId = InMemoryDataRecord.getInstance("foo".getBytes())
.getIdentifier().toString();
//For in memory record the reference should be null
assertNull(ds.getReference(inMemBlobId));
}
@Test
public void testGetAllChunks() throws Exception{
DataIdentifier d10 = new DataIdentifier("d-10");
DataIdentifier d20 = new DataIdentifier("d-20");
DataIdentifier d30 = new DataIdentifier("d-30");
List<DataIdentifier> dis = ImmutableList.of(d10, d20, d30);
DataStore mockedDS = mock(DataStore.class);
when(mockedDS.getAllIdentifiers()).thenReturn(dis.iterator());
when(mockedDS.getRecord(new DataIdentifier("d-10"))).thenReturn(new TimeDataRecord(d10));
when(mockedDS.getRecord(new DataIdentifier("d-20"))).thenReturn(new TimeDataRecord(d20));
when(mockedDS.getRecord(new DataIdentifier("d-30"))).thenReturn(new TimeDataRecord(d30));
DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);
Iterator<String> chunks = ds.getAllChunkIds(25);
Set<String> expected = Sets.newHashSet("d-10","d-20");
assertEquals(expected, Sets.newHashSet(chunks));
}
@Test
public void testEncodedBlobId() throws Exception{
BlobId blobId = new BlobId("abc"+BlobId.SEP+"123");
assertEquals("abc", blobId.blobId);
assertEquals(123, blobId.length);
blobId = new BlobId("abc"+BlobId.SEP+"abc"+BlobId.SEP+"123");
assertEquals("abc"+BlobId.SEP+"abc", blobId.blobId);
assertEquals(123, blobId.length);
blobId = new BlobId("abc",123);
assertEquals("abc"+BlobId.SEP+"123", blobId.encodedValue());
assertTrue(BlobId.isEncoded("abc"+BlobId.SEP+"123"));
assertFalse(BlobId.isEncoded("abc"));
}
private static class ByteArrayDataRecord implements DataRecord {
private final byte[] data;
private final DataIdentifier identifier;
private final String reference;
private ByteArrayDataRecord(byte[] data, DataIdentifier di, String reference) {
this.data = data;
this.identifier = di;
this.reference = reference;
}
@Override
public DataIdentifier getIdentifier() {
return identifier;
}
@Override
public String getReference() {
return reference;
}
@Override
public long getLength() throws DataStoreException {
return data.length;
}
@Override
public InputStream getStream() throws DataStoreException {
return new ByteArrayInputStream(data);
}
@Override
public long getLastModified() {
return 0;
}
}
private static class TimeDataRecord implements DataRecord {
private final DataIdentifier id;
private TimeDataRecord(DataIdentifier id) {
this.id = id;
}
@Override
public DataIdentifier getIdentifier() {
return id;
}
@Override
public String getReference() {
return id.toString();
}
@Override
public long getLength() throws DataStoreException {
throw new DataStoreException(new UnsupportedOperationException());
}
@Override
public InputStream getStream() throws DataStoreException {
throw new UnsupportedOperationException();
}
@Override
public long getLastModified() {
return Long.valueOf(id.toString().substring(id.toString().indexOf('-')+1));
}
}
}