MiniDFSCluster cluster = null;
try {
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
cluster.waitActive();
DistributedFileSystem fs = cluster.getFileSystem();
NamenodeProtocols nnRpc = cluster.getNameNodeRpc();
// FileSystem#mkdirs "/testInodeIdBasedPaths"
Path baseDir = getInodePath(INodeId.ROOT_INODE_ID, "testInodeIdBasedPaths");
Path baseDirRegPath = new Path("/testInodeIdBasedPaths");
fs.mkdirs(baseDir);
fs.exists(baseDir);
long baseDirFileId = nnRpc.getFileInfo(baseDir.toString()).getFileId();
// FileSystem#create file and FileSystem#close
Path testFileInodePath = getInodePath(baseDirFileId, "test1");
Path testFileRegularPath = new Path(baseDir, "test1");
final int testFileBlockSize = 1024;
FileSystemTestHelper.createFile(fs, testFileInodePath, 1, testFileBlockSize);
assertTrue(fs.exists(testFileInodePath));
// FileSystem#setPermission
FsPermission perm = new FsPermission((short)0666);
fs.setPermission(testFileInodePath, perm);
// FileSystem#getFileStatus and FileSystem#getPermission
FileStatus fileStatus = fs.getFileStatus(testFileInodePath);
assertEquals(perm, fileStatus.getPermission());
// FileSystem#setOwner
fs.setOwner(testFileInodePath, fileStatus.getOwner(), fileStatus.getGroup());
// FileSystem#setTimes
fs.setTimes(testFileInodePath, 0, 0);
fileStatus = fs.getFileStatus(testFileInodePath);
assertEquals(0, fileStatus.getModificationTime());
assertEquals(0, fileStatus.getAccessTime());
// FileSystem#setReplication
fs.setReplication(testFileInodePath, (short)3);
fileStatus = fs.getFileStatus(testFileInodePath);
assertEquals(3, fileStatus.getReplication());
fs.setReplication(testFileInodePath, (short)1);
// ClientProtocol#getPreferredBlockSize
assertEquals(testFileBlockSize,
nnRpc.getPreferredBlockSize(testFileInodePath.toString()));
// symbolic link related tests
// Reserved path is not allowed as a target
String invalidTarget = new Path(baseDir, "invalidTarget").toString();
String link = new Path(baseDir, "link").toString();
testInvalidSymlinkTarget(nnRpc, invalidTarget, link);
// Test creating a link using reserved inode path
String validTarget = "/validtarget";
testValidSymlinkTarget(nnRpc, validTarget, link);
// FileSystem#append
fs.append(testFileInodePath);
// DistributedFileSystem#recoverLease
fs.recoverLease(testFileInodePath);
// Namenode#getBlockLocations
LocatedBlocks l1 = nnRpc.getBlockLocations(testFileInodePath.toString(),
0, Long.MAX_VALUE);
LocatedBlocks l2 = nnRpc.getBlockLocations(testFileRegularPath.toString(),
0, Long.MAX_VALUE);
checkEquals(l1, l2);
// FileSystem#rename - both the variants
Path renameDst = getInodePath(baseDirFileId, "test2");