// Tests that lock block returns the correct path
@Test
public void lockBlockTest() throws Exception {
final int blockSize = (int) WORKER_CAPACITY_BYTES / 2;
CreateFileOptions options =
CreateFileOptions.defaults()
.setBlockSizeBytes(blockSize)
.setWriteType(WriteType.MUST_CACHE);
FileOutStream out = mFileSystem.createFile(new AlluxioURI("/testFile"), options);
URIStatus file = mFileSystem.getStatus(new AlluxioURI("/testFile"));
final long blockId = BlockId.createBlockId(BlockId.getContainerId(file.getFileId()), 0);
out.write(BufferUtils.getIncreasingByteArray(blockSize));
out.close();
String localPath = mBlockWorkerServiceHandler.lockBlock(blockId, SESSION_ID).getBlockPath();
// The local path should exist
Assert.assertNotNull(localPath);
UnderFileSystem ufs = UnderFileSystem.get(localPath, mMasterConfiguration);
byte[] data = new byte[blockSize];
int bytesRead = ufs.open(localPath).read(data);
// The data in the local file should equal the data we wrote earlier
Assert.assertEquals(blockSize, bytesRead);
Assert.assertTrue(BufferUtils.equalIncreasingByteArray(bytesRead, data));
mBlockWorkerServiceHandler.unlockBlock(blockId, SESSION_ID);
}
/** Tests that a file can be created and validates the data written to it. */
@Test
public void createOpen() throws IOException {
String testFile = PathUtils.concatPath(mUnderfsAddress, "testFile");
createTestBytesFile(testFile);
byte[] buf = new byte[TEST_BYTES.length];
int bytesRead = mUfs.open(testFile).read(buf);
Assert.assertTrue(bytesRead == TEST_BYTES.length);
Assert.assertTrue(Arrays.equals(buf, TEST_BYTES));
}