@Test
public void testCreateEmptyBlob() {
String blobName = "test-create-empty-blob";
BlobInfo blob = BlobInfo.builder(BUCKET, blobName).build();
BlobInfo remoteBlob = storage.create(blob);
assertNotNull(remoteBlob);
assertEquals(blob.blobId(), remoteBlob.blobId());
byte[] readBytes = storage.readAllBytes(BUCKET, blobName);
assertArrayEquals(new byte[0], readBytes);
assertTrue(storage.delete(BUCKET, blobName));
}
@Test
public void testWriteChannelExistingBlob() throws IOException {
String blobName = "test-write-channel-existing-blob";
BlobInfo blob = BlobInfo.builder(BUCKET, blobName).build();
BlobInfo remoteBlob = storage.create(blob);
byte[] stringBytes;
try (BlobWriteChannel writer = storage.writer(remoteBlob)) {
stringBytes = BLOB_STRING_CONTENT.getBytes(UTF_8);
writer.write(ByteBuffer.wrap(stringBytes));
}
assertArrayEquals(stringBytes, storage.readAllBytes(blob.blobId()));
assertTrue(storage.delete(BUCKET, blobName));
}
@Test
public void testCreateBlobStream() throws UnsupportedEncodingException {
String blobName = "test-create-blob-stream";
BlobInfo blob = BlobInfo.builder(BUCKET, blobName).contentType(CONTENT_TYPE).build();
ByteArrayInputStream stream = new ByteArrayInputStream(BLOB_STRING_CONTENT.getBytes(UTF_8));
BlobInfo remoteBlob = storage.create(blob, stream);
assertNotNull(remoteBlob);
assertEquals(blob.blobId(), remoteBlob.blobId());
assertEquals(blob.contentType(), remoteBlob.contentType());
byte[] readBytes = storage.readAllBytes(BUCKET, blobName);
assertEquals(BLOB_STRING_CONTENT, new String(readBytes, UTF_8));
assertTrue(storage.delete(BUCKET, blobName));
}
@Test
public void testComposeBlob() {
String sourceBlobName1 = "test-compose-blob-source-1";
String sourceBlobName2 = "test-compose-blob-source-2";
BlobInfo sourceBlob1 = BlobInfo.builder(BUCKET, sourceBlobName1).build();
BlobInfo sourceBlob2 = BlobInfo.builder(BUCKET, sourceBlobName2).build();
assertNotNull(storage.create(sourceBlob1, BLOB_BYTE_CONTENT));
assertNotNull(storage.create(sourceBlob2, BLOB_BYTE_CONTENT));
String targetBlobName = "test-compose-blob-target";
BlobInfo targetBlob = BlobInfo.builder(BUCKET, targetBlobName).build();
Storage.ComposeRequest req =
Storage.ComposeRequest.of(ImmutableList.of(sourceBlobName1, sourceBlobName2), targetBlob);
BlobInfo remoteBlob = storage.compose(req);
assertNotNull(remoteBlob);
assertEquals(targetBlob.blobId(), remoteBlob.blobId());
byte[] readBytes = storage.readAllBytes(BUCKET, targetBlobName);
byte[] composedBytes = Arrays.copyOf(BLOB_BYTE_CONTENT, BLOB_BYTE_CONTENT.length * 2);
System.arraycopy(
BLOB_BYTE_CONTENT, 0, composedBytes, BLOB_BYTE_CONTENT.length, BLOB_BYTE_CONTENT.length);
assertArrayEquals(composedBytes, readBytes);
assertTrue(storage.delete(BUCKET, sourceBlobName1));
assertTrue(storage.delete(BUCKET, sourceBlobName2));
assertTrue(storage.delete(BUCKET, targetBlobName));
}