/// <summary>
/// Calculate a SHA250 hash for a specified file. Used to compare to two files are the same
/// </summary>
/// <param name="fullFileName">The full path of the file for which to get the hash</param>
/// <returns>The byte array of the file hash</returns>
public byte[] GetFileHash(FileBase fileBase, string fullFileName)
{
using (Stream fileStream = fileBase.OpenRead(fullFileName))
{
SHA256Managed sha = new SHA256Managed();
byte[] checksum = sha.ComputeHash(fileStream);
return(checksum);
}
}//end GetFileHash
public async Task GetAvatarAsync_uses_inner_if_file_expired()
{
_fileInfo.Exists.Returns(true);
_fileInfo.LastWriteTime.Returns(new DateTime(2010, 1, 1));
_fileSystem.File.OpenWrite(Arg.Any <string>()).Returns(_ => new MemoryStream());
_fileSystem.File.Delete(Arg.Any <string>());
await MissAsync(_email1, _name1);
_fileSystem.File.Received(1).Delete(Path.Combine(AppSettings.AvatarImageCachePath, $"{_email1}.{_size}px.png"));
_file.OpenRead(Arg.Any <string>()).Returns(c => GetPngStream());
_fileInfo.LastWriteTime.Returns(DateTime.Now);
_fileSystem.ClearReceivedCalls();
_fileInfo.ClearReceivedCalls();
_file.ClearReceivedCalls();
var image = await _cache.GetAvatarAsync(_email1, _name1, 16);
image.Should().NotBeNull();
_ = _fileInfo.Received(1).LastWriteTime;
_fileSystem.File.Received(1).OpenRead(Path.Combine(AppSettings.AvatarImageCachePath, $"{_email1}.{_size}px.png"));
}