public async Task SaveFileAsync_FileExists_CanWriteAndRead() { var filePath = "folder\\file 3.txt"; var newFilePath = "folder\\file 4.txt"; var existingFileAbsolutePath = originalStorage.AddFile(filePath); using (var stream = new FileStream(existingFileAbsolutePath, FileMode.Open)) { var newFile = new FilesBackup.Domain.File(newFilePath, stream.Length); await _target.SaveFileAsync(newFile, stream); } using (var fileContent = _target.GetFileContent(new FilesBackup.Domain.File(filePath, 0))) { Assert.True(fileContent.CanRead); } }