| /* |
| * 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.document.blob; |
| |
| import java.io.ByteArrayInputStream; |
| import java.util.Arrays; |
| |
| import org.apache.jackrabbit.oak.plugins.document.AbstractMongoConnectionTest; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests for {@code MongoMicroKernel#read(String, long, byte[], int, int)} |
| */ |
| public class DocumentMKReadTest extends AbstractMongoConnectionTest { |
| |
| private byte[] blob; |
| private String blobId; |
| |
| @Test |
| public void small() throws Exception { |
| read(1024, false); |
| } |
| |
| @Test |
| public void medium() throws Exception { |
| read(1024 * 1024, false); |
| } |
| |
| @Test |
| public void large() throws Exception { |
| // Skip range tests for large blobs for now as it's complicated with |
| // block size. |
| read(20 * 1024 * 1024, true); |
| } |
| |
| private void read(int blobLength, boolean skipRangeTests) throws Exception { |
| createAndWriteBlob(blobLength); |
| |
| // Complete read. |
| byte[] buffer = readFully(mk, blobId); |
| assertEquals(blob.length, buffer.length); |
| assertTrue(Arrays.equals(blob, buffer)); |
| |
| if (skipRangeTests) { |
| return; |
| } |
| |
| // Range end from end. |
| buffer = new byte[blob.length / 2]; |
| int totalBytes = mk.read(blobId, (blob.length / 2) - 1, buffer, 0, blob.length / 2); |
| assertEquals(blob.length / 2, totalBytes); |
| for (int i = 0; i < buffer.length; i++) { |
| assertEquals(blob[((blob.length / 2) - 1) + i], buffer[i]); |
| } |
| |
| // Range from start. |
| buffer = new byte[blob.length / 2]; |
| totalBytes = mk.read(blobId, 0, buffer, 0, blob.length / 2); |
| assertEquals(blob.length / 2, totalBytes); |
| for (int i = 0; i < buffer.length; i++) { |
| assertEquals(blob[i], buffer[i]); |
| } |
| } |
| |
| private void createAndWriteBlob(int blobLength) { |
| blob = new byte[blobLength]; |
| for (int i = 0; i < blob.length; i++) { |
| blob[i] = (byte) 1; |
| } |
| blobId = mk.write(new ByteArrayInputStream(blob)); |
| } |
| } |