/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate;
import io.crate.blob.BlobContainer;
import io.crate.blob.DigestBlob;
import org.elasticsearch.common.bytes.BytesArray;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.FileVisitor;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.UUID;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class DigestBlobTests {
private Path tmpDir;
@Before
public void prepare() throws Exception {
tmpDir = Files.createTempDirectory(getClass().getName());
}
@After
public void cleanUp() throws Exception {
if (tmpDir != null) {
Files.walkFileTree(tmpDir, new FileVisitor<Path>() {
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Files.deleteIfExists(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
return FileVisitResult.TERMINATE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
Files.deleteIfExists(dir);
return FileVisitResult.CONTINUE;
}
});
assert !tmpDir.toFile().exists() : "could not delete tmpDir";
}
}
@Test
public void testDigestBlobResumeHeadAndAddContent() throws IOException {
String digest = "417de3231e23dcd6d224ff60918024bc6c59aa58";
UUID transferId = UUID.randomUUID();
int currentPos = 2;
BlobContainer container = new BlobContainer(tmpDir.toFile());
File filePath = new File(container.getTmpDirectory(), String.format("%s.%s", digest, transferId.toString()));
if (filePath.exists()) {
filePath.delete();
}
DigestBlob digestBlob = DigestBlob.resumeTransfer(
container, digest, transferId, currentPos);
BytesArray contentHead = new BytesArray("A".getBytes());
digestBlob.addToHead(contentHead);
BytesArray contentTail = new BytesArray("CDEFGHIJKL".getBytes());
digestBlob.addContent(contentTail, false);
contentHead = new BytesArray("B".getBytes());
digestBlob.addToHead(contentHead);
contentTail = new BytesArray("MNO".getBytes());
digestBlob.addContent(contentTail, true);
byte[] buffer = new byte[15];
FileInputStream stream = new FileInputStream(digestBlob.file());
stream.read(buffer, 0, 15);
assertEquals("ABCDEFGHIJKLMNO", new BytesArray(buffer).toUtf8().trim());
File file = digestBlob.commit();
assertTrue(file.exists());
file.delete();
}
@Test
public void testResumeDigestBlobAddHeadAfterContent() throws IOException {
UUID transferId = UUID.randomUUID();
BlobContainer container = new BlobContainer(tmpDir.toFile());
DigestBlob digestBlob = DigestBlob.resumeTransfer(
container, "417de3231e23dcd6d224ff60918024bc6c59aa58", transferId, 2);
BytesArray contentTail = new BytesArray("CDEFGHIJKLMN".getBytes());
digestBlob.addContent(contentTail, false);
BytesArray contentHead = new BytesArray("AB".getBytes());
digestBlob.addToHead(contentHead);
contentTail = new BytesArray("O".getBytes());
digestBlob.addContent(contentTail, true);
byte[] buffer = new byte[15];
FileInputStream stream = new FileInputStream(digestBlob.file());
stream.read(buffer, 0, 15);
assertEquals("ABCDEFGHIJKLMNO", new BytesArray(buffer).toUtf8().trim());
File file = digestBlob.commit();
assertTrue(file.exists());
file.delete();
}
}