/// <summary>
/// Test blob reads, expecting lease failure.
/// </summary>
/// <param name="testBlob">The blob to test.</param>
/// <param name="targetBlob">The blob to use for the target of copy operations.</param>
/// <param name="testAccessCondition">The failing access condition to use.</param>
/// <param name="expectedErrorCode">The expected error code.</param>
/// <param name="description">The reason why these calls should fail.</param>
private async Task BlobReadExpectLeaseFailureAsync(CloudBlockBlob testBlob, CloudBlockBlob targetBlob, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description)
{
OperationContext operationContext = new OperationContext();
// FetchAttributes is a HEAD request with no extended error info, so it returns with the generic ConditionFailed error code.
await TestHelper.ExpectedExceptionAsync(
async () => await testBlob.FetchAttributesAsync(testAccessCondition, null /* options */, operationContext),
operationContext,
description + "(Fetch Attributes)",
HttpStatusCode.PreconditionFailed);
await TestHelper.ExpectedExceptionAsync(
async () => await testBlob.SnapshotAsync(null /* metadata */, testAccessCondition, null /* options */, operationContext),
operationContext,
description + " (Create Snapshot)",
expectedStatusCode,
expectedErrorCode);
await TestHelper.ExpectedExceptionAsync(
async () => await DownloadTextAsync(testBlob, Encoding.UTF8, testAccessCondition, null /* options */, operationContext),
operationContext,
description + " (Download Text)",
expectedStatusCode,
expectedErrorCode);
await TestHelper.ExpectedExceptionAsync(
async () => await testBlob.OpenReadAsync(testAccessCondition, null /* options */, operationContext),
operationContext,
description + " (Read Stream)",
expectedStatusCode/*,
expectedErrorCode*/);
}
/// <summary>
/// Test blob reads, expecting success.
/// </summary>
/// <param name="testBlob">The blob to test.</param>
/// <param name="targetBlob">The blob to use for the target of copy operations.</param>
/// <param name="testAccessCondition">The access condition to use.</param>
private async Task BlobReadExpectLeaseSuccessAsync(CloudBlockBlob testBlob, AccessCondition testAccessCondition)
{
await testBlob.FetchAttributesAsync(testAccessCondition, null /* options */, null);
await (await testBlob.SnapshotAsync(null /* metadata */, testAccessCondition, null /* options */, null)).DeleteAsync();
await DownloadTextAsync(testBlob, Encoding.UTF8, testAccessCondition, null /* options */, null);
var readStream = await testBlob.OpenReadAsync(testAccessCondition, null /* options */, null);
Stream stream = readStream.AsStreamForRead();
stream.ReadByte();
}
/// <summary>
/// Test blob reads, expecting success.
/// </summary>
/// <param name="testBlob">The blob to test.</param>
/// <param name="testAccessCondition">The access condition to use.</param>
private void BlobReadExpectLeaseSuccessTask(CloudBlockBlob testBlob, AccessCondition testAccessCondition)
{
testBlob.FetchAttributesAsync(testAccessCondition, null /* options */, new OperationContext());
testBlob.SnapshotAsync(null /* metadata */, testAccessCondition, null /* options */, new OperationContext()).Result.Delete();
DownloadTextTask(testBlob, Encoding.UTF8, testAccessCondition, null /* options */);
Stream stream = testBlob.OpenReadAsync(testAccessCondition, null /* options */, new OperationContext()).Result;
stream.ReadByte();
}