public async void DownloadBlob_StreamShouldReturn()
{
var uniqueContainerName = Guid.NewGuid().ToString("N");
AzureBlobContainerClient blobProvider = GetTestBlobProvider(ConnectionString, uniqueContainerName);
string blobName = Guid.NewGuid().ToString("N");
var blobContainerClient = new BlobContainerClient(ConnectionString, uniqueContainerName);
var blobClient = blobContainerClient.GetBlobClient(blobName);
string blobContent = "example";
// create a new blob
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(blobContent)))
{
var isCreated = await blobProvider.CreateBlobAsync(blobName, stream, CancellationToken.None);
Assert.True(isCreated);
Assert.True(blobClient.Exists());
}
using Stream downloadStream = await blobProvider.GetBlobAsync(blobName, CancellationToken.None);
using var reader = new StreamReader(downloadStream);
Assert.Equal(blobContent, reader.ReadToEnd());
await blobContainerClient.DeleteAsync();
}
public async void AccessBlobProvider_WhenContainerNoExists_ExceptionShouldBeThrown()
{
var uniqueContainerName = Guid.NewGuid().ToString("N");
AzureBlobContainerClient blobProvider = GetTestBlobProvider(ConnectionString, uniqueContainerName);
string blobName = Guid.NewGuid().ToString("N");
// call function of blobProvider
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes("example")))
{
Assert.True(await blobProvider.CreateBlobAsync(blobName, stream, CancellationToken.None));
}
var blobServiceClient = new BlobServiceClient(ConnectionString);
// delete the created container
blobServiceClient.DeleteBlobContainer(uniqueContainerName);
// call CreateBlobAsync() after the container is deleted by others
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes("new example")))
{
await Assert.ThrowsAsync <AzureBlobOperationFailedException>(() => blobProvider.CreateBlobAsync(blobName, stream, CancellationToken.None));
}
// call UploadStreamToBlobAsync()after the container is deleted by others
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes("new example")))
{
await Assert.ThrowsAsync <AzureBlobOperationFailedException>(() => blobProvider.UpdateBlobAsync(blobName, stream, CancellationToken.None));
}
// call GetBlobAsync() after the container is deleted by others
await Assert.ThrowsAsync <AzureBlobOperationFailedException>(() => blobProvider.GetBlobAsync(blobName, CancellationToken.None));
}
public async void DownloadNoExistingBlob_StreamShouldReturn()
{
var uniqueContainerName = Guid.NewGuid().ToString("N");
AzureBlobContainerClient blobProvider = GetTestBlobProvider(ConnectionString, uniqueContainerName);
string blobName = Guid.NewGuid().ToString("N");
var blobContainerClient = new BlobContainerClient(ConnectionString, uniqueContainerName);
var blobClient = blobContainerClient.GetBlobClient(blobName);
Assert.False(blobClient.Exists());
using Stream downloadStream = await blobProvider.GetBlobAsync(blobName, CancellationToken.None);
Assert.Null(downloadStream);
await blobContainerClient.DeleteAsync();
}