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 UpdateStreamToBlob_TheBlobShouldBeOverwriten()
{
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);
blobClient.DeleteIfExists();
Assert.False(blobClient.Exists());
// create a new blob
string blobContent = "example";
var blobUrl_1 = await blobProvider.UpdateBlobAsync(blobName, new MemoryStream(Encoding.ASCII.GetBytes(blobContent)), CancellationToken.None);
Assert.True(blobClient.Exists());
using (var stream = new MemoryStream())
{
var res = await blobClient.DownloadToAsync(stream);
stream.Position = 0;
using var reader = new StreamReader(stream);
Assert.Equal(blobContent, reader.ReadToEnd());
}
// upload to a existing blob
string newBlobContent = "new example";
var blobUrl_2 = await blobProvider.UpdateBlobAsync(blobName, new MemoryStream(Encoding.ASCII.GetBytes(newBlobContent)), CancellationToken.None);
Assert.Equal(blobUrl_1, blobUrl_2);
Assert.True(blobClient.Exists());
using (var stream = new MemoryStream())
{
var res = await blobClient.DownloadToAsync(stream);
stream.Position = 0;
using var reader = new StreamReader(stream);
Assert.Equal(newBlobContent, reader.ReadToEnd());
}
await blobContainerClient.DeleteAsync();
}