public void SHA1_ByteAmount()
{
var sha = SHA1Value.ComputeFileSHA1(ThisFile);
sha.GetBytes().Count.Should().Be(20);
sha.ToString().Length.Should().Be(40);
}
public void SHA1_ToString_and_Parse()
{
var sha = SHA1Value.ComputeFileSHA1(GetFilePath());
var s = sha.ToString();
var shaBis = SHA1Value.Parse(s);
shaBis.Should().Be(sha);
}
public async Task SHA1_from_file_async()
{
var sha = SHA1Value.ComputeFileSHA1(GetFilePath());
var sha2 = await SHA1Value.ComputeFileSHA1Async(GetFilePath());
sha2.Should().Be(sha);
using (var compressedPath = new TemporaryFile())
{
using (var input = new FileStream(GetFilePath(), FileMode.Open, FileAccess.Read, FileShare.Read, 4096, FileOptions.SequentialScan | FileOptions.Asynchronous))
using (var compressed = new FileStream(compressedPath.Path, FileMode.Truncate, FileAccess.Write, FileShare.None, 4096, FileOptions.SequentialScan | FileOptions.Asynchronous))
{
var writer = GetCompressShellAsync(w => input.CopyToAsync(w));
await writer(compressed);
}
var shaCompressed = await SHA1Value.ComputeFileSHA1Async(compressedPath.Path);
shaCompressed.Should().NotBe(sha);
var localSha = await SHA1Value.ComputeFileSHA1Async(compressedPath.Path, r => new GZipStream(r, CompressionMode.Decompress, true));
localSha.Should().Be(sha);
}
}