/// <summary> /// Generates a get blob request over the specified range, and checks the request for consistency. /// </summary> /// <param name="context">The testing context.</param> /// <param name="containerName">The name of the container.</param> /// <param name="blobName">The name of the blob.</param> /// <param name="offset">The offset to the range.</param> /// <param name="count">The number of elements in the range.</param> /// <param name="leaseId">The lease ID, or null if the blob is not leased.</param> /// <returns>A web request for getting a blob range.</returns> public static HttpRequestMessage GetBlobRangeRequest(BlobContext context, string containerName, string blobName, long offset, long?count, AccessCondition accessCondition) { bool valid = BlobTests.ContainerNameValidator(containerName) && BlobTests.BlobNameValidator(blobName) && BlobTests.LeaseIdValidator(accessCondition); Uri uri = BlobTests.ConstructGetUri(context.Address, containerName, blobName); HttpRequestMessage request = null; OperationContext opContext = new OperationContext(); try { request = BlobHttpRequestMessageFactory.Get(uri, context.Timeout, null /* snapshot */, offset, count, ChecksumRequested.None, accessCondition, null, opContext, SharedKeyCanonicalizer.Instance, context.Credentials, null); } catch (InvalidOperationException) { if (valid) { Assert.Fail(); } } if (valid) { Assert.IsNotNull(request); Assert.IsNotNull(request.Method); Assert.AreEqual(HttpMethod.Get, request.Method); BlobTestUtils.RangeHeader(request, offset, count.HasValue ? (long?)(count.Value + offset - 1) : null); BlobTestUtils.LeaseIdHeader(request, accessCondition == null ? null : accessCondition.LeaseId); } return(request); }