public static async Task UploadTextAsync(this AppendBlobClient appendBlobClient, string text, CancellationToken cancellationToken = default)
{
using Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(text));
await appendBlobClient.CreateIfNotExistsAsync(cancellationToken : cancellationToken);
await appendBlobClient.AppendBlockAsync(stream, cancellationToken : cancellationToken).ConfigureAwait(false);
}
private async Task <AppendBlobClient> CreateBlob(BlobContainerClient containerClient)
{
AppendBlobClient appendBlobClient = containerClient.GetAppendBlobClient(_fileName);
await appendBlobClient.CreateIfNotExistsAsync();
return(appendBlobClient);
}
public async Task CreateIfNotExistsAsync_Error()
{
await using DisposingContainer test = await GetTestContainerAsync();
// Arrange
AppendBlobClient blob = InstrumentClient(test.Container.GetAppendBlobClient(string.Empty));
// Act
await TestHelper.AssertExpectedExceptionAsync <RequestFailedException>(
blob.CreateIfNotExistsAsync(),
actualException => Assert.AreEqual("InvalidUri", actualException.ErrorCode)
);
}
public async Task CreateIfNotExistsAsync()
{
await using DisposingContainer test = await GetTestContainerAsync();
// Arrange
var blobName = GetNewBlobName();
AppendBlobClient blob = InstrumentClient(test.Container.GetAppendBlobClient(blobName));
// Act
Response <BlobContentInfo> response = await blob.CreateIfNotExistsAsync();
// Assert
Assert.IsNotNull(response.GetRawResponse().Headers.RequestId);
IList <BlobItem> blobs = await test.Container.GetBlobsAsync().ToListAsync();
Assert.AreEqual(1, blobs.Count);
Assert.AreEqual(blobName, blobs.First().Name);
}
public async Task <AppendBlobClient> GetBlobReferenceAsync(BlobServiceClient blobServiceClient, string blobContainerName, string blobName, bool bypassBlobCreationValidation)
{
var blobContainer = blobServiceClient.GetBlobContainerClient(blobContainerName);
await CreateBlobContainerIfNotExistsAsync(blobContainer, bypassBlobCreationValidation).ConfigureAwait(false);
AppendBlobClient newAppendBlobClient = null;
try
{
newAppendBlobClient = blobContainer.GetAppendBlobClient(blobName);
// TODO-VPL: CreateOrReplaceAsync does not exist in the new SDK
// TODO-VPL: AccessCondition is nowhere to be seen... here is the original line:
//newAppendBlobClient.CreateOrReplaceAsync(AccessCondition.GenerateIfNotExistsCondition(), null, null).GetAwaiter().GetResult();
await newAppendBlobClient.CreateIfNotExistsAsync();
}
catch (RequestFailedException ex) when(ex.Status == (int)HttpStatusCode.Conflict && ex.ErrorCode == "BlobAlreadyExists")
{
//StorageException (http 409 conflict, error code BlobAlreadyExists) is thrown due to the AccessCondition. The append blob already exists.
//No problem this is expected
}
catch (Exception ex)
{
Debugging.SelfLog.WriteLine($"Failed to create blob: {ex}");
throw;
}
// TODO-VPL: This is done differently in the new SDK ; we need to do a get properties and they return the properties, i.e. done elsewhere
//if (newAppendBlobClient != null)
//{
// //this is the first time the code gets its hands on this blob reference, get the blob properties from azure.
// //used later on to know when to roll over the file if the 50.000 max blocks is getting close.
// await newAppendBlobClient.FetchAttributesAsync().ConfigureAwait(false);
//}
return(newAppendBlobClient);
}
