@Test
public void testContentChecksumCache() throws IOException {
Database database = new Database();
// Round 1: Add file history & version
DatabaseVersion databaseVersion1 = TestDatabaseUtil.createDatabaseVersion();
// - history 1, version 1
FileVersion fileVersion1 = TestDatabaseUtil.createFileVersion("samechecksum1.jpg");
fileVersion1.setChecksum(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0});
PartialFileHistory fileHistory1 = new PartialFileHistory(11111111111111111L);
databaseVersion1.addFileHistory(fileHistory1);
databaseVersion1.addFileVersionToHistory(fileHistory1.getFileId(), fileVersion1);
database.addDatabaseVersion(databaseVersion1);
assertNotNull(database.getFileHistories(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}));
assertEquals(1, database.getFileHistories(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 byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}); // same checksum!
fileVersion11.setStatus(FileStatus.RENAMED);
PartialFileHistory fileHistory11 =
new PartialFileHistory(11111111111111111L); // same ID as above
databaseVersion2.addFileHistory(fileHistory11);
databaseVersion2.addFileVersionToHistory(fileHistory11.getFileId(), fileVersion11);
// - history 2, version 1
FileVersion fileVersion2 = TestDatabaseUtil.createFileVersion("samechecksum2.jpg");
fileVersion2.setChecksum(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}); // same checksum!
PartialFileHistory fileHistory2 = new PartialFileHistory(22222222222222222L); // different ID
databaseVersion2.addFileHistory(fileHistory2);
databaseVersion2.addFileVersionToHistory(fileHistory2.getFileId(), fileVersion2);
// - history 3, version 1
FileVersion fileVersion3 = TestDatabaseUtil.createFileVersion("samechecksum3.jpg");
fileVersion3.setChecksum(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}); // same checksum!
PartialFileHistory fileHistory3 = new PartialFileHistory(33333333333333333L); // different ID
databaseVersion2.addFileHistory(fileHistory3);
databaseVersion2.addFileVersionToHistory(fileHistory3.getFileId(), fileVersion3);
database.addDatabaseVersion(databaseVersion2);
assertNotNull(database.getFileHistories(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}));
assertEquals(3, database.getFileHistories(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}).size());
}
public static FileVersion createFileVersion(String path) {
FileVersion fileVersion = new FileVersion();
fileVersion.setChecksum(new FileChecksum(TestFileUtil.createRandomArray(20)));
fileVersion.setLastModified(new Date());
fileVersion.setPath(path);
fileVersion.setStatus(FileStatus.NEW);
fileVersion.setType(FileType.FILE);
fileVersion.setUpdated(new Date());
fileVersion.setVersion(1L);
return fileVersion;
}
private FileVersion createNewFileVersion(
FileVersion lastFileVersion, FileProperties fileProperties) {
FileVersion fileVersion = null;
// Version
if (lastFileVersion == null) {
fileVersion = new FileVersion();
fileVersion.setVersion(1L);
fileVersion.setStatus(FileStatus.NEW);
} else {
fileVersion = lastFileVersion.clone();
fileVersion.setVersion(lastFileVersion.getVersion() + 1);
}
// Simple attributes
fileVersion.setPath(fileProperties.getRelativePath());
fileVersion.setLinkTarget(fileProperties.getLinkTarget());
fileVersion.setType(fileProperties.getType());
fileVersion.setSize(fileProperties.getSize());
fileVersion.setChecksum(fileProperties.getChecksum());
fileVersion.setLastModified(new Date(fileProperties.getLastModified()));
fileVersion.setUpdated(new Date());
// Permissions
if (EnvironmentUtil.isWindows()) {
fileVersion.setDosAttributes(fileProperties.getDosAttributes());
fileVersion.setPosixPermissions(DEFAULT_POSIX_PERMISSIONS);
} else if (EnvironmentUtil.isUnixLikeOperatingSystem()) {
fileVersion.setPosixPermissions(fileProperties.getPosixPermissions());
fileVersion.setDosAttributes(DEFAULT_DOS_ATTRIBUTES);
}
// Status
if (lastFileVersion != null) {
if (fileVersion.getType() == FileType.FILE
&& FileChecksum.fileChecksumEquals(
fileVersion.getChecksum(), lastFileVersion.getChecksum())) {
fileVersion.setStatus(FileStatus.CHANGED);
} else if (!fileVersion.getPath().equals(lastFileVersion.getPath())) {
fileVersion.setStatus(FileStatus.RENAMED);
} else {
fileVersion.setStatus(FileStatus.CHANGED);
}
}
return fileVersion;
}