SignatureBenchmark.cs

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Jobs;
using Storage.Benchmark.Utils;
using Storage.Utils;

namespace Storage.Benchmark.InternalBenchmarks;

[SimpleJob(RuntimeMoniker.Net70)]
[MeanColumn]
[MemoryDiagnoser]
public class SignatureBenchmark
{
	private string[] _headers = null!;
	private DateTime _now;
	private HttpRequestMessage _request = null!;
	private string _payloadHash = null!;
	private Signature _signature = null!;

	[GlobalSetup]
	public void Config()
	{
		var config = BenchmarkHelper.ReadConfiguration();
		var data = BenchmarkHelper.ReadBigArray(config);
		var settings = BenchmarkHelper.ReadSettings(config);

		_headers = ["host", "x-amz-content-sha256", "x-amz-date"];
		_now = DateTime.UtcNow;
		_request = new HttpRequestMessage(HttpMethod.Post, "http://company-name.com/controller");
		_payloadHash = HashHelper.GetPayloadHash(data);
		_signature = new Signature(settings.Region, settings.Service, settings.SecretKey);
	}

	[Benchmark]
	public int Content()
	{
		return _signature
			.Calculate(_request, _payloadHash, _headers, _now)
			.Length;
	}

	[Benchmark]
	public int Url()
	{
		return _signature
			.Calculate("http://subdomain-name.company-name.com/controller/method?arg=eto-arg", _now)
			.Length;
	}
}