/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2014 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.tests.operations;
import static org.junit.Assert.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.apache.commons.io.FileUtils;
import org.junit.Test;
import org.syncany.chunk.Chunk;
import org.syncany.chunk.MultiChunk;
import org.syncany.plugins.local.LocalTransferSettings;
import org.syncany.tests.util.TestClient;
import org.syncany.tests.util.TestConfigUtil;
public class AssemblerTest {
/**
* Alters multichunk data to test whether integrity checks work.
*/
@Test
public void testAssembler() throws Exception {
LocalTransferSettings testConnection = (LocalTransferSettings) TestConfigUtil.createTestLocalConnection();
TestClient clientA = new TestClient("A", testConnection);
TestClient clientB = new TestClient("B", testConnection);
clientA.createNewFile("file1.jpg", 20); // small, only one chunk, one multichunk
clientA.upWithForceChecksum();
// Read chunk from original multichunk
File repoMultiChunksFolder = new File(testConnection.getPath(), "multichunks");
File multiChunkFile = repoMultiChunksFolder.listFiles()[0];
MultiChunk multiChunk = clientA.getConfig().getMultiChunker().createMultiChunk(
clientA.getConfig().getTransformer().createInputStream(new FileInputStream(multiChunkFile)));
Chunk chunk = multiChunk.read();
multiChunk.close();
// Flip byte in chunk and write new "altered" multichunk
File alteredMultiChunkFile = new File(multiChunkFile + "-altered");
MultiChunk alteredMultiChunk = clientA.getConfig().getMultiChunker().createMultiChunk(
multiChunk.getId(), clientA.getConfig().getTransformer().createOutputStream(new FileOutputStream(alteredMultiChunkFile)));
chunk.getContent()[0] ^= 0x01; // Flip one byte!
alteredMultiChunk.write(chunk);
alteredMultiChunk.close();
// Now delete old multichunk, and swap by "altered" file
multiChunkFile.delete();
FileUtils.moveFile(alteredMultiChunkFile, multiChunkFile);
boolean exceptionThrown = false;
try {
clientB.down(); // If this does not throw an exception, it's bad!
}
catch (Exception e) {
exceptionThrown = true;
}
assertTrue(exceptionThrown);
clientA.deleteTestData();
clientB.deleteTestData();
}
}