@Test
  public void testSimpleBlobGetChunkIdsOnly() throws Exception {
    blobSize = maxChunkSize;
    doPut();
    options =
        new GetBlobOptionsInternal(new GetBlobOptionsBuilder().operationType(GetBlobOptions.OperationType.All).build(),
            true, routerMetrics.ageAtGet);
    getAndAssertSuccess();
  }
Test gets of simple blob with getChunkIdsOnly being true.
ambry-router/src/test/java/com/github/ambry/router/GetBlobOperationTest.java