public async Task CreateAuthorizationHeader()
{
var signer = new AwsSigner();
var config = Helpers.CreateExampleConfig();
var request = Helpers.CreateExampleRequest();
var dateTime = DateTimeOffset.Parse("2015-08-30T12:36:00Z");
var signedHeaders = signer.BuildSignedHeaders(signer.BuildCanonicalHeaders(request));
const string expected = "Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date, Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7";
var signature = await signer.CreateSignature(config, request, dateTime);
var result = signer.CreateAuthorizationHeader(config.AccessId, dateTime, config.Region, config.Service, signedHeaders, signature);
Assert.AreEqual(expected, result, "Authorization string creation failed");
}