/**
* Gets the blob with blob ID {@code blobId} and verifies that the headers and content match with
* what is expected.
*
* @param blobId the blob ID of the blob to GET.
* @param range the {@link ByteRange} for the request.
* @param expectedHeaders the expected headers in the response.
* @param expectedContent the expected content of the blob.
* @throws ExecutionException
* @throws InterruptedException
*/
private void getBlobAndVerify(
String blobId, ByteRange range, HttpHeaders expectedHeaders, ByteBuffer expectedContent)
throws ExecutionException, InterruptedException, RestServiceException {
HttpHeaders headers = null;
if (range != null) {
headers =
new DefaultHttpHeaders()
.add(RestUtils.Headers.RANGE, RestTestUtils.getRangeHeaderString(range));
}
FullHttpRequest httpRequest = buildRequest(HttpMethod.GET, blobId, headers, null);
Queue<HttpObject> responseParts = nettyClient.sendRequest(httpRequest, null, null).get();
HttpResponse response = (HttpResponse) responseParts.poll();
assertEquals(
"Unexpected response status",
range == null ? HttpResponseStatus.OK : HttpResponseStatus.PARTIAL_CONTENT,
response.getStatus());
checkCommonGetHeadHeaders(response.headers());
assertEquals(
"Content-Type does not match",
expectedHeaders.get(RestUtils.Headers.AMBRY_CONTENT_TYPE),
response.headers().get(HttpHeaders.Names.CONTENT_TYPE));
assertEquals(
RestUtils.Headers.BLOB_SIZE + " does not match",
expectedHeaders.get(RestUtils.Headers.BLOB_SIZE),
response.headers().get(RestUtils.Headers.BLOB_SIZE));
assertEquals(
"Accept-Ranges not set correctly",
"bytes",
response.headers().get(RestUtils.Headers.ACCEPT_RANGES));
byte[] expectedContentArray = expectedContent.array();
if (range != null) {
long blobSize = Long.parseLong(expectedHeaders.get(RestUtils.Headers.BLOB_SIZE));
assertEquals(
"Content-Range header not set correctly",
RestUtils.buildContentRangeAndLength(range, blobSize).getFirst(),
response.headers().get(RestUtils.Headers.CONTENT_RANGE));
ByteRange resolvedRange = range.toResolvedByteRange(blobSize);
expectedContentArray =
Arrays.copyOfRange(
expectedContentArray,
(int) resolvedRange.getStartOffset(),
(int) resolvedRange.getEndOffset() + 1);
} else {
assertNull(
"Content-Range header should not be set",
response.headers().get(RestUtils.Headers.CONTENT_RANGE));
}
if (expectedContentArray.length < FRONTEND_CONFIG.frontendChunkedGetResponseThresholdInBytes) {
assertEquals(
"Content-length not as expected",
expectedContentArray.length,
HttpHeaders.getContentLength(response));
}
byte[] responseContentArray = getContent(responseParts, expectedContentArray.length).array();
assertArrayEquals(
"GET content does not match original content", expectedContentArray, responseContentArray);
assertTrue("Channel should be active", HttpHeaders.isKeepAlive(response));
}
/**
* Gets the headers of the blob with blob ID {@code blobId} and verifies them against what is
* expected.
*
* @param blobId the blob ID of the blob to HEAD.
* @param range the {@link ByteRange} for the request.
* @param expectedHeaders the expected headers in the response.
* @throws ExecutionException
* @throws InterruptedException
*/
private void getHeadAndVerify(String blobId, ByteRange range, HttpHeaders expectedHeaders)
throws ExecutionException, InterruptedException, RestServiceException {
HttpHeaders headers = null;
if (range != null) {
headers =
new DefaultHttpHeaders()
.add(RestUtils.Headers.RANGE, RestTestUtils.getRangeHeaderString(range));
}
FullHttpRequest httpRequest = buildRequest(HttpMethod.HEAD, blobId, headers, null);
Queue<HttpObject> responseParts = nettyClient.sendRequest(httpRequest, null, null).get();
HttpResponse response = (HttpResponse) responseParts.poll();
assertEquals(
"Unexpected response status",
range == null ? HttpResponseStatus.OK : HttpResponseStatus.PARTIAL_CONTENT,
response.getStatus());
checkCommonGetHeadHeaders(response.headers());
long contentLength = Long.parseLong(expectedHeaders.get(RestUtils.Headers.BLOB_SIZE));
if (range != null) {
Pair<String, Long> rangeAndLength =
RestUtils.buildContentRangeAndLength(range, contentLength);
assertEquals(
"Content-Range header not set correctly",
rangeAndLength.getFirst(),
response.headers().get(RestUtils.Headers.CONTENT_RANGE));
contentLength = rangeAndLength.getSecond();
} else {
assertNull(
"Content-Range header should not be set",
response.headers().get(RestUtils.Headers.CONTENT_RANGE));
}
assertEquals(
"Accept-Ranges not set correctly",
"bytes",
response.headers().get(RestUtils.Headers.ACCEPT_RANGES));
assertEquals(
RestUtils.Headers.CONTENT_LENGTH + " does not match expected",
contentLength,
HttpHeaders.getContentLength(response));
assertEquals(
RestUtils.Headers.CONTENT_TYPE + " does not match " + RestUtils.Headers.AMBRY_CONTENT_TYPE,
expectedHeaders.get(RestUtils.Headers.AMBRY_CONTENT_TYPE),
HttpHeaders.getHeader(response, HttpHeaders.Names.CONTENT_TYPE));
verifyBlobProperties(expectedHeaders, response);
discardContent(responseParts, 1);
assertTrue("Channel should be active", HttpHeaders.isKeepAlive(response));
}
/**
* Utility to test blob POST, GET, HEAD and DELETE operations for a specified size
*
* @param contentSize the size of the blob to be tested
* @param multipartPost {@code true} if multipart POST is desired, {@code false} otherwise.
* @throws Exception
*/
private void doPostGetHeadDeleteTest(int contentSize, boolean multipartPost) throws Exception {
ByteBuffer content = ByteBuffer.wrap(RestTestUtils.getRandomBytes(contentSize));
String serviceId = "postGetHeadDeleteServiceID";
String contentType = "application/octet-stream";
String ownerId = "postGetHeadDeleteOwnerID";
HttpHeaders headers = new DefaultHttpHeaders();
setAmbryHeaders(headers, content.capacity(), 7200, false, serviceId, contentType, ownerId);
headers.set(HttpHeaders.Names.CONTENT_LENGTH, content.capacity());
String blobId;
byte[] usermetadata = null;
if (multipartPost) {
usermetadata = UtilsTest.getRandomString(32).getBytes();
blobId = multipartPostBlobAndVerify(headers, content, ByteBuffer.wrap(usermetadata));
} else {
headers.add(RestUtils.Headers.USER_META_DATA_HEADER_PREFIX + "key1", "value1");
headers.add(RestUtils.Headers.USER_META_DATA_HEADER_PREFIX + "key2", "value2");
blobId = postBlobAndVerify(headers, content);
}
getBlobAndVerify(blobId, null, headers, content);
getHeadAndVerify(blobId, null, headers);
ByteRange range =
ByteRange.fromLastNBytes(ThreadLocalRandom.current().nextLong(content.capacity() + 1));
getBlobAndVerify(blobId, range, headers, content);
getHeadAndVerify(blobId, range, headers);
if (contentSize > 0) {
range = ByteRange.fromStartOffset(ThreadLocalRandom.current().nextLong(content.capacity()));
getBlobAndVerify(blobId, range, headers, content);
getHeadAndVerify(blobId, range, headers);
long random1 = ThreadLocalRandom.current().nextLong(content.capacity());
long random2 = ThreadLocalRandom.current().nextLong(content.capacity());
range = ByteRange.fromOffsetRange(Math.min(random1, random2), Math.max(random1, random2));
getBlobAndVerify(blobId, range, headers, content);
getHeadAndVerify(blobId, range, headers);
}
getNotModifiedBlobAndVerify(blobId);
getUserMetadataAndVerify(blobId, headers, usermetadata);
getBlobInfoAndVerify(blobId, headers, usermetadata);
deleteBlobAndVerify(blobId);
// check GET, HEAD and DELETE after delete.
verifyOperationsAfterDelete(blobId);
}
/**
* Posts a blob with the given {@code headers} and {@code content}.
*
* @param headers the headers required.
* @param content the content of the blob.
* @param usermetadata the {@link ByteBuffer} that represents user metadata
* @return the blob ID of the blob.
* @throws Exception
*/
private String multipartPostBlobAndVerify(
HttpHeaders headers, ByteBuffer content, ByteBuffer usermetadata) throws Exception {
HttpRequest httpRequest = RestTestUtils.createRequest(HttpMethod.POST, "/", headers);
HttpPostRequestEncoder encoder = createEncoder(httpRequest, content, usermetadata);
Queue<HttpObject> responseParts =
nettyClient.sendRequest(encoder.finalizeRequest(), encoder, null).get();
HttpResponse response = (HttpResponse) responseParts.poll();
assertEquals("Unexpected response status", HttpResponseStatus.CREATED, response.getStatus());
assertTrue(
"No Date header",
HttpHeaders.getDateHeader(response, HttpHeaders.Names.DATE, null) != null);
assertTrue(
"No " + RestUtils.Headers.CREATION_TIME,
HttpHeaders.getHeader(response, RestUtils.Headers.CREATION_TIME, null) != null);
assertEquals("Content-Length is not 0", 0, HttpHeaders.getContentLength(response));
String blobId = HttpHeaders.getHeader(response, HttpHeaders.Names.LOCATION, null);
if (blobId == null) {
fail("postBlobAndVerify did not return a blob ID");
}
discardContent(responseParts, 1);
assertTrue("Channel should be active", HttpHeaders.isKeepAlive(response));
return blobId;
}