public async Task FileReadLockToETagTestAsync()
{
byte[] outBuffer = new byte[1 * 1024 * 1024];
byte[] buffer = GetRandomBuffer(2 * outBuffer.Length);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
file.StreamMinimumReadSizeInBytes = outBuffer.Length;
using (MemoryStream wholeFile = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(wholeFile);
}
OperationContext opContext = new OperationContext();
using (Stream fileStream = await file.OpenReadAsync(null, null, opContext))
{
Stream fileStreamForRead = fileStream;
await fileStreamForRead.ReadAsync(outBuffer, 0, outBuffer.Length);
await file.SetMetadataAsync();
await ExpectedExceptionAsync(
async() => await fileStreamForRead.ReadAsync(outBuffer, 0, outBuffer.Length),
opContext,
"File read stream should fail if file is modified during read",
HttpStatusCode.PreconditionFailed);
}
opContext = new OperationContext();
using (Stream fileStream = await file.OpenReadAsync(null, null, opContext))
{
Stream fileStreamForRead = fileStream;
long length = fileStreamForRead.Length;
await file.SetMetadataAsync();
await ExpectedExceptionAsync(
async() => await fileStreamForRead.ReadAsync(outBuffer, 0, outBuffer.Length),
opContext,
"File read stream should fail if file is modified during read",
HttpStatusCode.PreconditionFailed);
}
/*
* opContext = new OperationContext();
* AccessCondition accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(DateTimeOffset.Now.Subtract(TimeSpan.FromHours(1)));
* await file.SetMetadataAsync();
* await TestHelper.ExpectedExceptionAsync(
* async () => await file.OpenReadAsync(accessCondition, null, opContext),
* opContext,
* "File read stream should fail if file is modified during read",
* HttpStatusCode.PreconditionFailed);
*/
}
finally
{
await share.DeleteAsync();
}
}
public async Task FileReadStreamSeekTestAsync()
{
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
file.StreamMinimumReadSizeInBytes = 2 * 1024 * 1024;
using (MemoryStream wholeFile = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(wholeFile);
}
OperationContext opContext = new OperationContext();
using (Stream fileStream = await file.OpenReadAsync(null, null, opContext))
{
int attempts = await FileReadStreamSeekTestAsync(fileStream, file.StreamMinimumReadSizeInBytes, buffer);
TestHelper.AssertNAttempts(opContext, attempts);
}
}
finally
{
await share.DeleteAsync();
}
}
public async Task FileSeekTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(srcStream, null, null, null);
using (Stream fileStream = await file.OpenReadAsync())
{
Stream fileStreamForRead = fileStream;
fileStreamForRead.Seek(2048, 0);
byte[] buff = new byte[100];
int numRead = await fileStreamForRead.ReadAsync(buff, 0, 100);
Assert.AreEqual(numRead, 0);
}
}
}
finally
{
share.DeleteIfExistsAsync().Wait();
}
}
public async Task FileReadStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(5 * 1024 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
using (MemoryStream wholeFile = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(wholeFile);
}
using (MemoryStream wholeFile = new MemoryStream(buffer))
{
Stream readStream = await file.OpenReadAsync();
using (Stream fileStream = readStream)
{
TestHelper.AssertStreamsAreEqual(wholeFile, fileStream);
}
}
}
finally
{
await share.DeleteAsync();
}
}
public async Task FileOpenReadWriteTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
using (CloudFileStream fileStream = await file.OpenWriteAsync(2048))
{
Stream fileStreamForWrite = fileStream;
await fileStreamForWrite.WriteAsync(buffer, 0, 2048);
await fileStreamForWrite.FlushAsync();
}
using (Stream dstStream = await file.OpenReadAsync())
{
Stream dstStreamForRead = dstStream;
MemoryStream memoryStream = new MemoryStream(buffer);
TestHelper.AssertStreamsAreEqual(memoryStream, dstStreamForRead);
}
}
finally
{
share.DeleteIfExistsAsync().Wait();
}
}
public async Task FileOpenReadTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(srcStream);
Stream dstStream = await file.OpenReadAsync();
using (Stream dstStreamForRead = dstStream)
{
TestHelper.AssertStreamsAreEqual(srcStream, dstStreamForRead);
}
}
}
finally
{
share.DeleteIfExistsAsync().Wait();
}
}
public async Task FileOpenWriteSeekReadTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
MemoryStream memoryStream = new MemoryStream(buffer);
using (CloudFileStream fileStream = await file.OpenWriteAsync(2048))
{
Stream fileStreamForWrite = fileStream;
await fileStreamForWrite.WriteAsync(buffer, 0, 2048);
Assert.AreEqual(fileStreamForWrite.Position, 2048);
fileStreamForWrite.Seek(1024, 0);
memoryStream.Seek(1024, 0);
Assert.AreEqual(fileStreamForWrite.Position, 1024);
byte[] testBuffer = GetRandomBuffer(1024);
await memoryStream.WriteAsync(testBuffer, 0, 1024);
await fileStreamForWrite.WriteAsync(testBuffer, 0, 1024);
Assert.AreEqual(fileStreamForWrite.Position, memoryStream.Position);
await fileStreamForWrite.FlushAsync();
}
using (Stream dstStream = await file.OpenReadAsync())
{
Stream dstStreamForRead = dstStream;
TestHelper.AssertStreamsAreEqual(memoryStream, dstStreamForRead);
}
}
finally
{
await share.DeleteAsync();
}
}
public async Task FileOpenReadWithCancelTest()
{
CancellationTokenSource cts = new CancellationTokenSource();
byte[] buffer = new byte[4 * 1024 * 1024];
CloudFileShare share = GetRandomShareReference();
try
{
share.Create();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
file.UploadFromStream(srcStream);
}
Stream dstStream = await file.OpenReadAsync(null, null, null, cts.Token);
cts.Cancel();
try
{
Assert.IsTrue(cts.Token.IsCancellationRequested);
int bytesRead = 0;
do
{
bytesRead = await dstStream.ReadAsync(buffer, 0, buffer.Length, cts.Token);
}while (bytesRead > 0);
Assert.Fail("Expected exception not raised");
}
catch (StorageException e)
{
Assert.AreEqual("A task was canceled.", e.Message);
}
}
finally
{
share.DeleteIfExists();
}
}
public async Task FileWriteWhenOpenReadAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(srcStream);
bool thrown = false;
byte[] testBuffer = new byte[2048];
using (Stream fileStream = await file.OpenReadAsync())
{
Stream fileStreamForRead = fileStream;
try
{
await fileStreamForRead.WriteAsync(testBuffer, 0, 2048);
}
catch (NotSupportedException)
{
thrown = true;
}
Assert.IsTrue(thrown);
}
}
}
finally
{
share.DeleteIfExistsAsync().Wait();
}
}
public async Task CloudFileClientMaximumExecutionTimeoutShouldNotBeHonoredForStreamsAsync()
{
CloudFileClient fileClient = GenerateCloudFileClient();
CloudFileShare share = fileClient.GetShareReference(Guid.NewGuid().ToString("N"));
CloudFileDirectory rootDirectory = share.GetRootDirectoryReference();
byte[] buffer = FileTestBase.GetRandomBuffer(1024 * 1024);
try
{
await share.CreateAsync();
fileClient.DefaultRequestOptions.MaximumExecutionTime = TimeSpan.FromSeconds(30);
CloudFile file = rootDirectory.GetFileReference("file");
file.StreamMinimumReadSizeInBytes = 1024 * 1024;
using (CloudFileStream fileStream = await file.OpenWriteAsync(8 * 1024 * 1024))
{
Stream fos = fileStream;
DateTime start = DateTime.Now;
for (int i = 0; i < 7; i++)
{
await fos.WriteAsync(buffer, 0, buffer.Length);
}
// Sleep to ensure we are over the Max execution time when we do the last write
int msRemaining = (int)(fileClient.DefaultRequestOptions.MaximumExecutionTime.Value - (DateTime.Now - start)).TotalMilliseconds;
if (msRemaining > 0)
{
await Task.Delay(msRemaining);
}
await fos.WriteAsync(buffer, 0, buffer.Length);
await fileStream.CommitAsync();
}
using (Stream fileStream = await file.OpenReadAsync())
{
Stream fis = fileStream;
DateTime start = DateTime.Now;
int total = 0;
while (total < 7 * 1024 * 1024)
{
total += await fis.ReadAsync(buffer, 0, buffer.Length);
}
// Sleep to ensure we are over the Max execution time when we do the last read
int msRemaining = (int)(fileClient.DefaultRequestOptions.MaximumExecutionTime.Value - (DateTime.Now - start)).TotalMilliseconds;
if (msRemaining > 0)
{
await Task.Delay(msRemaining);
}
while (true)
{
int count = await fis.ReadAsync(buffer, 0, buffer.Length);
total += count;
if (count == 0)
{
break;
}
}
}
}
finally
{
fileClient.DefaultRequestOptions.MaximumExecutionTime = null;
await share.DeleteAsync();
}
}
public async Task FileDisableContentMD5ValidationTestAsync()
{
byte[] buffer = new byte[1024];
Random random = new Random();
random.NextBytes(buffer);
FileRequestOptions optionsWithNoMD5 = new FileRequestOptions()
{
DisableContentMD5Validation = true,
StoreFileContentMD5 = true,
};
FileRequestOptions optionsWithMD5 = new FileRequestOptions()
{
DisableContentMD5Validation = false,
StoreFileContentMD5 = true,
};
CloudFileShare share = GetRandomShareReference();
try
{
await share.CreateAsync();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file2");
using (Stream stream = new MemoryStream(buffer))
{
await file.UploadFromStreamAsync(stream, null, optionsWithMD5, null);
}
using (Stream stream = new MemoryStream())
{
await file.DownloadToStreamAsync(stream, null, optionsWithMD5, null);
await file.DownloadToStreamAsync(stream, null, optionsWithNoMD5, null);
using (Stream fileStream = await file.OpenReadAsync(null, optionsWithMD5, null))
{
Stream fileStreamForRead = fileStream;
int read;
do
{
read = await fileStreamForRead.ReadAsync(buffer, 0, buffer.Length);
}while (read > 0);
}
using (Stream fileStream = await file.OpenReadAsync(null, optionsWithNoMD5, null))
{
Stream fileStreamForRead = fileStream;
int read;
do
{
read = await fileStreamForRead.ReadAsync(buffer, 0, buffer.Length);
}while (read > 0);
}
file.Properties.ContentMD5 = "MDAwMDAwMDA=";
await file.SetPropertiesAsync();
OperationContext opContext = new OperationContext();
await TestHelper.ExpectedExceptionAsync(
async() => await file.DownloadToStreamAsync(stream, null, optionsWithMD5, opContext),
opContext,
"Downloading a file with invalid MD5 should fail",
HttpStatusCode.OK);
await file.DownloadToStreamAsync(stream, null, optionsWithNoMD5, null);
using (Stream fileStream = await file.OpenReadAsync(null, optionsWithMD5, null))
{
Stream fileStreamForRead = fileStream;
TestHelper.ExpectedException <IOException>(
() =>
{
int read;
do
{
read = fileStreamForRead.Read(buffer, 0, buffer.Length);
}while (read > 0);
},
"Downloading a file with invalid MD5 should fail");
}
using (Stream fileStream = await file.OpenReadAsync(null, optionsWithNoMD5, null))
{
Stream fileStreamForRead = fileStream;
int read;
do
{
read = await fileStreamForRead.ReadAsync(buffer, 0, buffer.Length);
}while (read > 0);
}
}
}
finally
{
share.DeleteIfExistsAsync().Wait();
}
}