/*
* 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.database;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.io.IOException;
import org.junit.Test;
import org.syncany.config.Logging;
import org.syncany.database.ChunkEntry;
import org.syncany.database.ChunkEntry.ChunkChecksum;
import org.syncany.database.DatabaseVersion;
import org.syncany.database.FileContent.FileChecksum;
import org.syncany.database.FileVersion;
import org.syncany.database.FileVersion.FileStatus;
import org.syncany.database.FileVersion.FileType;
import org.syncany.database.MemoryDatabase;
import org.syncany.database.MultiChunkEntry;
import org.syncany.database.MultiChunkEntry.MultiChunkId;
import org.syncany.database.PartialFileHistory;
import org.syncany.database.PartialFileHistory.FileHistoryId;
import org.syncany.tests.util.TestDatabaseUtil;
public class MemoryDatabaseCacheTest {
static {
Logging.init();
}
@Test
public void testChunkCache() throws IOException {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add chunk to new database version, then add database version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
ChunkEntry chunkA1 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 }), 12);
databaseVersion1.addChunk(chunkA1);
database.addDatabaseVersion(databaseVersion1);
assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
// Round 2: Add chunk to new database version, then add database version
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
ChunkEntry chunkA2 = new ChunkEntry(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 }), 112);
databaseVersion2.addChunk(chunkA2);
database.addDatabaseVersion(databaseVersion2);
assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(chunkA2, database.getChunk(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 })));
// Round 3: Add chunk to new database version, then add database version
DatabaseVersion databaseVersion3 = TestDatabaseUtil.createDatabaseVersion(databaseVersion2);
ChunkEntry chunkA3 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 }), 192);
databaseVersion3.addChunk(chunkA3);
database.addDatabaseVersion(databaseVersion3);
assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(chunkA2, database.getChunk(new ChunkChecksum(new byte[] { 9, 8, 7, 6, 5, 4, 3, 2, 1 })));
assertEquals(chunkA3, database.getChunk(new ChunkChecksum(new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 })));
}
@Test
public void testMultiChunkCache() throws IOException {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add chunk to multichunk
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
MultiChunkEntry multiChunkP1 = new MultiChunkEntry(new MultiChunkId(new byte[] { 8, 8, 8, 8, 8, 8, 8, 8 }), 10);
ChunkEntry chunkA1 = new ChunkEntry(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 }), 12);
multiChunkP1.addChunk(chunkA1.getChecksum());
databaseVersion1.addChunk(chunkA1);
databaseVersion1.addMultiChunk(multiChunkP1);
database.addDatabaseVersion(databaseVersion1);
assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(multiChunkP1, database.getMultiChunk(new MultiChunkId(new byte[] { 8, 8, 8, 8, 8, 8, 8, 8 })));
// Round 2: Add chunk to multichunk
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
MultiChunkEntry multiChunkP2 = new MultiChunkEntry(new MultiChunkId(new byte[] { 7, 7, 7, 7, 7, 7, 7, 7, 7 }), 11);
MultiChunkEntry multiChunkP3 = new MultiChunkEntry(new MultiChunkId(new byte[] { 5, 5, 5, 5, 5, 5, 5, 5, 5 }), 12);
ChunkEntry chunkA2 = new ChunkEntry(new ChunkChecksum(new byte[] { 9, 2, 3, 4, 5, 7, 8, 9, 0 }), 912);
ChunkEntry chunkA3 = new ChunkEntry(new ChunkChecksum(new byte[] { 8, 2, 3, 4, 5, 7, 8, 9, 0 }), 812);
ChunkEntry chunkA4 = new ChunkEntry(new ChunkChecksum(new byte[] { 7, 2, 3, 4, 5, 7, 8, 9, 0 }), 712);
multiChunkP2.addChunk(chunkA2.getChecksum());
multiChunkP2.addChunk(chunkA3.getChecksum());
multiChunkP3.addChunk(chunkA4.getChecksum());
databaseVersion2.addChunk(chunkA2);
databaseVersion2.addChunk(chunkA3);
databaseVersion2.addChunk(chunkA4);
databaseVersion2.addMultiChunk(multiChunkP2);
databaseVersion2.addMultiChunk(multiChunkP3);
database.addDatabaseVersion(databaseVersion2);
// fail("xx");
assertEquals(chunkA1, database.getChunk(new ChunkChecksum(new byte[] { 1, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(chunkA2, database.getChunk(new ChunkChecksum(new byte[] { 9, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(chunkA3, database.getChunk(new ChunkChecksum(new byte[] { 8, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(chunkA4, database.getChunk(new ChunkChecksum(new byte[] { 7, 2, 3, 4, 5, 7, 8, 9, 0 })));
assertEquals(multiChunkP1, database.getMultiChunk(new MultiChunkId(new byte[] { 8, 8, 8, 8, 8, 8, 8, 8 })));
assertEquals(multiChunkP2, database.getMultiChunk(new MultiChunkId(new byte[] { 7, 7, 7, 7, 7, 7, 7, 7, 7 })));
assertEquals(multiChunkP3, database.getMultiChunk(new MultiChunkId(new byte[] { 5, 5, 5, 5, 5, 5, 5, 5, 5 })));
}
@Test
public void testFilenameCache() throws IOException {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add file history & version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("file1.jpg");
FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);
fileHistory1.addFileVersion(fileVersion1);
databaseVersion1.addFileHistory(fileHistory1);
database.addDatabaseVersion(databaseVersion1);
assertEquals(fileHistory1, database.getFileHistory("file1.jpg"));
// Round 2: Add new version
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("file2.jpg", fileVersion1);
FileHistoryId idFile2 = FileHistoryId.parseFileId("1111111111111111"); // same ID
PartialFileHistory fileHistory2 = new PartialFileHistory(idFile2);
fileHistory2.addFileVersion(fileVersion2);
databaseVersion2.addFileHistory(fileHistory2);
database.addDatabaseVersion(databaseVersion2);
assertNotNull(database.getFileHistory("file2.jpg"));
assertEquals(2, database.getFileHistory("file2.jpg").getFileVersions().size());
assertNull(database.getFileHistory("file1.jpg"));
// Round 3: Add deleted version
DatabaseVersion databaseVersion3 = TestDatabaseUtil.createDatabaseVersion(databaseVersion2);
FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("file2.jpg", fileVersion2);
fileVersion3.setStatus(FileStatus.DELETED);
FileHistoryId idFile3 = FileHistoryId.parseFileId("1111111111111111"); // same ID
PartialFileHistory fileHistory3 = new PartialFileHistory(idFile3); // same ID
fileHistory3.addFileVersion(fileVersion3);
databaseVersion3.addFileHistory(fileHistory3);
database.addDatabaseVersion(databaseVersion3);
assertNull(database.getFileHistory("file2.jpg"));
}
@Test
public void testFilenameCacheDeleteAndNewOfSameFileInOneDatabaseVersion() throws IOException {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add file history & version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("file1.jpg");
FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);
fileHistory1.addFileVersion(fileVersion1);
databaseVersion1.addFileHistory(fileHistory1);
database.addDatabaseVersion(databaseVersion1);
assertEquals(fileHistory1, database.getFileHistory("file1.jpg"));
// Round 2: Add new version
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
// - delete file1.jpg
FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("file1.jpg", fileVersion1);
fileVersion2.setStatus(FileStatus.DELETED);
FileHistoryId idFile2 = FileHistoryId.parseFileId("1111111111111111"); // same ID
PartialFileHistory fileHistory2 = new PartialFileHistory(idFile2);
fileHistory2.addFileVersion(fileVersion2);
databaseVersion2.addFileHistory(fileHistory2);
// - add file1.jpg (as FOLDER!)
FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("file1.jpg"); // new file!
fileVersion3.setType(FileType.FOLDER);
FileHistoryId idFile3 = FileHistoryId.parseFileId("1111111111111112"); // different ID
PartialFileHistory fileHistory3 = new PartialFileHistory(idFile3); // same ID
fileHistory3.addFileVersion(fileVersion3);
databaseVersion2.addFileHistory(fileHistory3);
// - add database version
database.addDatabaseVersion(databaseVersion2);
assertNotNull(database.getFileHistory("file1.jpg"));
assertEquals(1, database.getFileHistory("file1.jpg").getFileVersions().size());
assertEquals(fileHistory3, database.getFileHistory("file1.jpg"));
}
@Test
public void testContentChecksumCache() throws IOException {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add file history & version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
// - history 1, version 1
FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("samechecksum1.jpg");
fileVersion1.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 }));
FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);
fileHistory1.addFileVersion(fileVersion1);
databaseVersion1.addFileHistory(fileHistory1);
database.addDatabaseVersion(databaseVersion1);
assertNotNull(database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })));
assertEquals(1, database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })).size());
// Round 2: Add two other versions with same checksum to new database version
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
// - history 1, version 2
FileVersion fileVersion11 = TestDatabaseUtil.createFileVersion("samechecksum2-renamed.jpg", fileVersion1);
fileVersion11.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!
fileVersion11.setStatus(FileStatus.RENAMED);
FileHistoryId idFile11 = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory11 = new PartialFileHistory(idFile11); // same ID as above
fileHistory11.addFileVersion(fileVersion11);
databaseVersion2.addFileHistory(fileHistory11);
// - history 2, version 1
FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("samechecksum2.jpg");
fileVersion2.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!
FileHistoryId idFile2 = FileHistoryId.parseFileId("1111111122222222"); // different ID
PartialFileHistory fileHistory2 = new PartialFileHistory(idFile2);
fileHistory2.addFileVersion(fileVersion2);
databaseVersion2.addFileHistory(fileHistory2);
// - history 3, version 1
FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("samechecksum3.jpg");
fileVersion3.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!
FileHistoryId idFile3 = FileHistoryId.parseFileId("aaaaaaaa22222222"); // different ID
PartialFileHistory fileHistory3 = new PartialFileHistory(idFile3); // different ID
fileHistory3.addFileVersion(fileVersion3);
databaseVersion2.addFileHistory(fileHistory3);
database.addDatabaseVersion(databaseVersion2);
assertNotNull(database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })));
assertEquals(3, database.getFileHistories(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })).size());
}
@Test
public void testGetFileHistory() throws IOException {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add file history & version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
// - history 1, version 1
FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("samechecksum1.jpg");
fileVersion1.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 }));
FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);
fileHistory1.addFileVersion(fileVersion1);
databaseVersion1.addFileHistory(fileHistory1);
database.addDatabaseVersion(databaseVersion1);
FileHistoryId idFile1Get = FileHistoryId.parseFileId("1111111111111111");
assertNotNull(database.getFileHistory(idFile1Get));
assertEquals(fileHistory1, database.getFileHistory(idFile1Get));
// Round 2: Add two other versions with same checksum to new database version
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
// - history 1, version 2
FileVersion fileVersion11 = TestDatabaseUtil.createFileVersion("samechecksum2-renamed.jpg", fileVersion1);
fileVersion11.setChecksum(new FileChecksum(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 })); // same checksum!
fileVersion11.setStatus(FileStatus.RENAMED);
FileHistoryId idFile11 = FileHistoryId.parseFileId("1111111111111111"); // same ID
PartialFileHistory fileHistory11 = new PartialFileHistory(idFile11);
fileHistory11.addFileVersion(fileVersion11);
databaseVersion2.addFileHistory(fileHistory11);
database.addDatabaseVersion(databaseVersion2);
FileHistoryId idFile111 = FileHistoryId.parseFileId("1111111111111111"); // same ID
assertNotNull(database.getFileHistory(idFile111));
assertEquals(2, database.getFileHistory(idFile111).getFileVersions().size());
}
@Test
public void testRemoveDatabaseVersion() {
MemoryDatabase database = new MemoryDatabase();
// Round 1: Add file history & version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
// - history 1, version 1
FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("file.jpg");
FileHistoryId idFile1 = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory1 = new PartialFileHistory(idFile1);
fileHistory1.addFileVersion(fileVersion1);
databaseVersion1.addFileHistory(fileHistory1);
database.addDatabaseVersion(databaseVersion1);
// - history 1, version 2
DatabaseVersion databaseVersion2 = TestDatabaseUtil.createDatabaseVersion(databaseVersion1);
FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("file.jpg", fileVersion1);
FileHistoryId idFile1b = FileHistoryId.parseFileId("1111111111111111");
PartialFileHistory fileHistory1b = new PartialFileHistory(idFile1b);
fileHistory1b.addFileVersion(fileVersion2);
databaseVersion2.addFileHistory(fileHistory1b);
database.addDatabaseVersion(databaseVersion2);
// Tests: Database should have 2 versions of file
assertEquals(2, database.getFileHistory(idFile1).getFileVersions().size());
assertEquals(2, database.getFileHistory(idFile1b).getFileVersions().size());
// Round 2: Remove second database version
database.removeDatabaseVersion(databaseVersion2);
// Tests: Second version removed, 1 version left
assertEquals(1, database.getFileHistory(idFile1).getFileVersions().size());
assertEquals(1, database.getFileHistory(idFile1b).getFileVersions().size());
assertEquals(fileVersion1, database.getFileHistory(idFile1).getLastVersion());
// Round 3: Add database version again
database.addDatabaseVersion(databaseVersion2);
// Tests: Second version added, 2 versions of file
assertEquals(2, database.getFileHistory(idFile1).getFileVersions().size());
assertEquals(2, database.getFileHistory(idFile1b).getFileVersions().size());
// Round 4: Remove FIRST database version
database.removeDatabaseVersion(databaseVersion1);
// Tests: First version removed, 1 version left
assertEquals(1, database.getFileHistory(idFile1).getFileVersions().size());
assertEquals(1, database.getFileHistory(idFile1b).getFileVersions().size());
assertEquals(fileVersion2, database.getFileHistory(idFile1).getLastVersion());
// Round 5: Remove second database version
database.removeDatabaseVersion(databaseVersion2);
// Tests: Second version removed, none left
assertNull(database.getFileHistory(idFile1));
}
}