ACMESharp.AcmeClientUnitTests.Test0190_RefreshCertificateRequest C# (CSharp) Method

        public void Test0190_RefreshCertificateRequest()
        {
            using (var signer = new RS256Signer())
            {
                signer.Init();
                using (var fs = new FileStream(_testRegister_AcmeSignerFile, FileMode.Open))
                {
                    signer.Load(fs);
                }

                AcmeRegistration reg;
                using (var fs = new FileStream(_testRegister_AcmeRegFile, FileMode.Open))
                {
                    reg = AcmeRegistration.Load(fs);
                }

                //var csrRaw = File.ReadAllBytes($"{_baseLocalStore}\\test-csr.der");
                //var csrB64u = JwsHelper.Base64UrlEncode(csrRaw);

                using (var client = BuildClient(testTagHeader: nameof(Test0190_RefreshCertificateRequest)))
                {
                    client.RootUrl = _rootUrl;
                    client.Signer = signer;
                    client.Registration = reg;
                    client.Init();

                    client.GetDirectory(true);

                    CertificateRequest certRequ;
                    using (var fs = new FileStream(_testCertRequ_AcmeCertRequFile, FileMode.Open))
                    {
                        certRequ = CertificateRequest.Load(fs);
                    }

                    client.RefreshCertificateRequest(certRequ, true);

                    _testCertRequRefreshed_AcmeCertRequFile = $"{_baseLocalStore}\\501-TestCertRequ-Refreshed.acmeCertRequ";
                    using (var fs = new FileStream(_testCertRequRefreshed_AcmeCertRequFile, FileMode.Create))
                    {
                        certRequ.Save(fs);
                    }

                    if (!string.IsNullOrEmpty(certRequ.CertificateContent))
                    {
                        _testCertRequRefreshed_CerFile = $"{_baseLocalStore}\\502-TestCertRequ-Refreshed.cer";
                        using (var fs = new FileStream(_testCertRequRefreshed_CerFile, FileMode.Create))
                        {
                            certRequ.SaveCertificate(fs);
                        }
                    }
                }
            }
        }