public async void CreateNewBlobTwice_FalseShouldReturn()
{
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);
await blobClient.DeleteIfExistsAsync();
Assert.False(blobClient.Exists());
// create a new blob
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes("example")))
{
var isCreated = await blobProvider.CreateBlobAsync(blobName, stream, CancellationToken.None);
Assert.True(isCreated);
Assert.True(blobClient.Exists());
}
// create the blob again
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes("new example")))
{
var isCreated = await blobProvider.CreateBlobAsync(blobName, stream, CancellationToken.None);
Assert.False(isCreated);
Assert.True(blobClient.Exists());
}
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 AcquireLease_WhenALeaseExists_ExceptionShouldBeThrown()
{
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.CreateBlobAsync(blobName, new MemoryStream(Encoding.ASCII.GetBytes(blobContent)), CancellationToken.None);
Assert.True(blobClient.Exists());
var lease = await blobProvider.AcquireLeaseAsync(blobName, null, TimeSpan.FromSeconds(30), default);
Assert.NotNull(lease);
var lease2 = await blobProvider.AcquireLeaseAsync(blobName, null, TimeSpan.FromSeconds(30), default);
Assert.Null(lease2);
var lease3 = await blobProvider.AcquireLeaseAsync(blobName, lease, TimeSpan.FromSeconds(30), default);
Assert.Equal(lease, lease3);
await blobContainerClient.DeleteAsync();
}
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 CreateLargeNewBlobTwice_AtTheSameTime_TrueShouldReturnForTheFirstCompleted_And_FalseShouldReturnForTheSecondOne()
{
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);
await blobClient.DeleteIfExistsAsync();
Assert.False(blobClient.Exists());
using MemoryStream sourceStream = new MemoryStream();
using StreamWriter writer = new StreamWriter(sourceStream);
int lineNumber = (1024 * 1024) + 3;
while (lineNumber-- > 0)
{
await writer.WriteLineAsync(Guid.NewGuid().ToString("N"));
}
await writer.FlushAsync();
sourceStream.Position = 0;
var task_1 = blobProvider.CreateBlobAsync(blobName, sourceStream, CancellationToken.None);
var task_2 = blobProvider.CreateBlobAsync(blobName, sourceStream, CancellationToken.None);
var isCreateds = await Task.WhenAll(task_1, task_2);
Assert.True(blobClient.Exists());
Assert.True(isCreateds[0] ^ isCreateds[1]);
await blobContainerClient.DeleteAsync();
}