package certificate import ( "crypto/rand" "crypto/rsa" "encoding/pem" "fmt" "net/http" "testing" "github.com/go-acme/lego/v4/acme" "github.com/go-acme/lego/v4/acme/api" "github.com/go-acme/lego/v4/certcrypto" "github.com/go-acme/lego/v4/platform/tester" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) const certResponseMock = `-----BEGIN CERTIFICATE----- MIIDEDCCAfigAwIBAgIHPhckqW5fPDANBgkqhkiG9w0BAQsFADAoMSYwJAYDVQQD Ex1QZWJibGUgSW50ZXJtZWRpYXRlIENBIDM5NWU2MTAeFw0xODExMDcxNzQ2NTZa Fw0yMzExMDcxNzQ2NTZaMBMxETAPBgNVBAMTCGFjbWUud3RmMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwtLNKvZXD20XPUQCWYSK9rUSKxD9Eb0c9fag bxOxOkLRTgL8LH6yln+bxc3MrHDou4PpDUdeo2CyOQu3CKsTS5mrH3NXYHu0H7p5 y3riOJTHnfkGKLT9LciGz7GkXd62nvNP57bOf5Sk4P2M+Qbxd0hPTSfu52740LSy 144cnxe2P1aDYehrEp6nYCESuyD/CtUHTo0qwJmzIy163Sp3rSs15BuCPyhySnE3 BJ8Ggv+qC6D5I1932DfSqyQJ79iq/HRm0Fn84am3KwvRlUfWxabmsUGARXoqCgnE zcbJVOZKewv0zlQJpfac+b+Imj6Lvt1TGjIz2mVyefYgLx8gwwIDAQABo1QwUjAO BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG A1UdEwEB/wQCMAAwEwYDVR0RBAwwCoIIYWNtZS53dGYwDQYJKoZIhvcNAQELBQAD ggEBABB/0iYhmfPSQot5RaeeovQnsqYjI5ryQK2cwzW6qcTJfv8N6+p6XkqF1+W4 jXZjrQP8MvgO9KNWlvx12vhINE6wubk88L+2piAi5uS2QejmZbXpyYB9s+oPqlk9 IDvfdlVYOqvYAhSx7ggGi+j73mjZVtjAavP6dKuu475ZCeq+NIC15RpbbikWKtYE HBJ7BW8XQKx67iHGx8ygHTDLbREL80Bck3oUm7wIYGMoNijD6RBl25p4gYl9dzOd TqGl5hW/1P5hMbgEzHbr4O3BfWqU2g7tV36TASy3jbC3ONFRNNYrpEZ1AL3+cUri OPPkKtAKAbQkKbUIfsHpBZjKZMU= -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIIDDDCCAfSgAwIBAgIIOV5hkYJx0JwwDQYJKoZIhvcNAQELBQAwIDEeMBwGA1UE AxMVUGViYmxlIFJvb3QgQ0EgNTBmZmJkMB4XDTE4MTEwNzE3NDY0N1oXDTQ4MTEw NzE3NDY0N1owKDEmMCQGA1UEAxMdUGViYmxlIEludGVybWVkaWF0ZSBDQSAzOTVl NjEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCacwXN4LmyRTgYS8TT SZYgz758npHiPTBDKgeN5WVmkkwW0TuN4W2zXhEmcM82uxOEjWS2drvK0+iJKneh 0fQR8ZF35dIYFe8WXTg3kEmqcizSgh4LxlOntsXvatfX/6GU/ADo3xAFoBKCijen SRBIY65yq5m00cWx3RMIcQq1B0X8nJS0O1P7MYE/Vvidz5St/36RXVu1oWLeS5Fx HAezW0lqxEUzvC+uLTFWC6f/CilzmI7SsPAkZBk7dO5Qs0d7m/zWF588vlGS+0pt D1on+lU85Ma2zuAd0qmB6LY66N8pEKKtMk93wF/o4Z5i58ahbwNvTKAzz4JSRWSu mB9LAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIChDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEA upU0DjzvIvoCOYKbq1RRN7rPdYad39mfjxgkeV0iOF5JoIdO6y1C7XAm9lT69Wjm iUPvnCTMDYft40N2SvmXuuMaPOm4zjNwn4K33jw5XBnpwxC7By/Y0oV+Sl10fBsd QqXC6H7LcSGkv+4eJbgY33P4uH5ZAy+2TkHUuZDkpufkAshzBust7nDAjfv3AIuQ wlPoyZfI11eqyiOqRzOq+B5dIBr1JzKnEzSL6n0JLNQiPO7iN03rud/wYD3gbmcv rzFL1KZfz+HZdnFwFW2T2gVW8L3ii1l9AJDuKzlvjUH3p6bgihVq02sjT8mx+GM2 7R4IbHGnj0BJA2vMYC4hSw== -----END CERTIFICATE----- ` const issuerMock = `-----BEGIN CERTIFICATE----- MIIDDDCCAfSgAwIBAgIIOV5hkYJx0JwwDQYJKoZIhvcNAQELBQAwIDEeMBwGA1UE AxMVUGViYmxlIFJvb3QgQ0EgNTBmZmJkMB4XDTE4MTEwNzE3NDY0N1oXDTQ4MTEw NzE3NDY0N1owKDEmMCQGA1UEAxMdUGViYmxlIEludGVybWVkaWF0ZSBDQSAzOTVl NjEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCacwXN4LmyRTgYS8TT SZYgz758npHiPTBDKgeN5WVmkkwW0TuN4W2zXhEmcM82uxOEjWS2drvK0+iJKneh 0fQR8ZF35dIYFe8WXTg3kEmqcizSgh4LxlOntsXvatfX/6GU/ADo3xAFoBKCijen SRBIY65yq5m00cWx3RMIcQq1B0X8nJS0O1P7MYE/Vvidz5St/36RXVu1oWLeS5Fx HAezW0lqxEUzvC+uLTFWC6f/CilzmI7SsPAkZBk7dO5Qs0d7m/zWF588vlGS+0pt D1on+lU85Ma2zuAd0qmB6LY66N8pEKKtMk93wF/o4Z5i58ahbwNvTKAzz4JSRWSu mB9LAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIChDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEA upU0DjzvIvoCOYKbq1RRN7rPdYad39mfjxgkeV0iOF5JoIdO6y1C7XAm9lT69Wjm iUPvnCTMDYft40N2SvmXuuMaPOm4zjNwn4K33jw5XBnpwxC7By/Y0oV+Sl10fBsd QqXC6H7LcSGkv+4eJbgY33P4uH5ZAy+2TkHUuZDkpufkAshzBust7nDAjfv3AIuQ wlPoyZfI11eqyiOqRzOq+B5dIBr1JzKnEzSL6n0JLNQiPO7iN03rud/wYD3gbmcv rzFL1KZfz+HZdnFwFW2T2gVW8L3ii1l9AJDuKzlvjUH3p6bgihVq02sjT8mx+GM2 7R4IbHGnj0BJA2vMYC4hSw== -----END CERTIFICATE----- ` const certResponseMock2 = ` -----BEGIN CERTIFICATE----- MIIFUzCCBDugAwIBAgISA/z9btaZCSo/qlVwmJrHpoyPMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA3MjUwNjUxNDRaFw0y MDEwMjMwNjUxNDRaMBgxFjAUBgNVBAMTDW5hdHVyZS5nbG9iYWwwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDN/PF8lWub3i+lO3CLl/HJAM86pQH9hWej Whci1PPNzKyEByJq2psNLCO1W1mXK3ClWSyifptCf7+AAFAOoBojPMwjaKMziw1M BxAQiX8MzZLv4Hr4Uk08cQX31QHiEpOv4pMHqB0UpodTYY10dZnDdyJHaGKzxfJh nQPYIVto+UegcVu9iZIDow7ugoT2Gh8nB8jOAc4wtBgmylgeAFmYR6QZ4PYSYFh0 DLZGGB1WuU/4YC5OciwTDv5EiqP3KM3NdkmGhPY0A3jcTrjN+HhcE4pYBtG1wHi8 PEuqqKyCLa3AjHq4WrZyCCkCMXPbIDS1Qt7botDmUZr/26xJZnl5AgMBAAGjggJj MIICXzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF BwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFm72Cv7LnjVhcLqUujrykUr70lF MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMw YTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9y ZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9y Zy8wGAYDVR0RBBEwD4INbmF0dXJlLmdsb2JhbDBMBgNVHSAERTBDMAgGBmeBDAEC ATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNl bmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3ALIeBcyLos2KIE6H ZvkruYolIGdr2vpw57JJUy3vi5BeAAABc4T006IAAAQDAEgwRgIhAPEEvCEMkekD 8XLDaxHPnJ85UZL72JqGgNK+7I/NdFNuAiEA5D78b4V1YsD8wvWz/sk6Ks8VgjED eKGl/TyXwKEpzEIAdgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAA AXOE9NPrAAAEAwBHMEUCIAu4YFfGZIN/P+0eRG0krSddHKCSf6rqr6aVqUWkJY3F AiEAz0HkTe0alED1gW9nEAJ1qqK1MLMjRM8SsUv9Is86+CwwDQYJKoZIhvcNAQEL BQADggEBAGriSVi9YuBnm50w84gjlinmeGdvxgugblIoEqKoXd3d5/zx0DvW9Tm6 YGfXsvAJUSCag7dZ/s/PEu23jKNdFoaBmDaUHHKnUwbWWF7/ptYZ+YuDVGOJo8PL CULNfUMon20rPU9smzW4BFDBZ6KmX/r4Q8cQ7FLOqKdcng0yMcqIfq4cBxEvd0uQ pHR3AwCjAIGpV6Q9WHHiHx+SEd/Xc18Z5pXa9m3Rz4i6Mfv+AYLtnsZDxcH81cVM 7rYp80vhXM9tFd4wyrqLuaVZgYD1ylxTYpTI7sijIq4Sl984f3IPA/olN+zK6E8d EbiufIcKeju/aSellDzzBabEo80YT4o= -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/ MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw 7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69 ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5 JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ -----END CERTIFICATE----- ` const issuerMock2 = `-----BEGIN CERTIFICATE----- MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/ MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw 7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69 ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5 JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ -----END CERTIFICATE----- ` func Test_checkResponse(t *testing.T) { mux, apiURL := tester.SetupFakeAPI(t) mux.HandleFunc("/certificate", func(w http.ResponseWriter, _ *http.Request) { _, err := w.Write([]byte(certResponseMock)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) key, err := rsa.GenerateKey(rand.Reader, 2048) require.NoError(t, err, "Could not generate test key") core, err := api.New(http.DefaultClient, "lego-test", apiURL+"/dir", "", key) require.NoError(t, err) certifier := NewCertifier(core, &resolverMock{}, CertifierOptions{KeyType: certcrypto.RSA2048}) order := acme.ExtendedOrder{ Order: acme.Order{ Status: acme.StatusValid, Certificate: apiURL + "/certificate", }, } certRes := &Resource{} bundle := false valid, err := certifier.checkResponse(order, certRes, bundle, "") require.NoError(t, err) assert.True(t, valid) assert.NotNil(t, certRes) assert.Equal(t, "", certRes.Domain) assert.Contains(t, certRes.CertStableURL, "/certificate") assert.Contains(t, certRes.CertURL, "/certificate") assert.Nil(t, certRes.CSR) assert.Nil(t, certRes.PrivateKey) assert.Equal(t, certResponseMock, string(certRes.Certificate), "Certificate") assert.Equal(t, issuerMock, string(certRes.IssuerCertificate), "IssuerCertificate") } func Test_checkResponse_issuerRelUp(t *testing.T) { mux, apiURL := tester.SetupFakeAPI(t) mux.HandleFunc("/certificate", func(w http.ResponseWriter, _ *http.Request) { w.Header().Set("Link", "<"+apiURL+`/issuer>; rel="up"`) _, err := w.Write([]byte(certResponseMock)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) mux.HandleFunc("/issuer", func(w http.ResponseWriter, _ *http.Request) { p, _ := pem.Decode([]byte(issuerMock)) _, err := w.Write(p.Bytes) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) key, err := rsa.GenerateKey(rand.Reader, 2048) require.NoError(t, err, "Could not generate test key") core, err := api.New(http.DefaultClient, "lego-test", apiURL+"/dir", "", key) require.NoError(t, err) certifier := NewCertifier(core, &resolverMock{}, CertifierOptions{KeyType: certcrypto.RSA2048}) order := acme.ExtendedOrder{ Order: acme.Order{ Status: acme.StatusValid, Certificate: apiURL + "/certificate", }, } certRes := &Resource{} bundle := false valid, err := certifier.checkResponse(order, certRes, bundle, "") require.NoError(t, err) assert.True(t, valid) assert.NotNil(t, certRes) assert.Equal(t, "", certRes.Domain) assert.Contains(t, certRes.CertStableURL, "/certificate") assert.Contains(t, certRes.CertURL, "/certificate") assert.Nil(t, certRes.CSR) assert.Nil(t, certRes.PrivateKey) assert.Equal(t, certResponseMock, string(certRes.Certificate), "Certificate") assert.Equal(t, issuerMock, string(certRes.IssuerCertificate), "IssuerCertificate") } func Test_checkResponse_embeddedIssuer(t *testing.T) { mux, apiURL := tester.SetupFakeAPI(t) mux.HandleFunc("/certificate", func(w http.ResponseWriter, _ *http.Request) { _, err := w.Write([]byte(certResponseMock)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) key, err := rsa.GenerateKey(rand.Reader, 2048) require.NoError(t, err, "Could not generate test key") core, err := api.New(http.DefaultClient, "lego-test", apiURL+"/dir", "", key) require.NoError(t, err) certifier := NewCertifier(core, &resolverMock{}, CertifierOptions{KeyType: certcrypto.RSA2048}) order := acme.ExtendedOrder{ Order: acme.Order{ Status: acme.StatusValid, Certificate: apiURL + "/certificate", }, } certRes := &Resource{} bundle := false valid, err := certifier.checkResponse(order, certRes, bundle, "") require.NoError(t, err) assert.True(t, valid) assert.NotNil(t, certRes) assert.Equal(t, "", certRes.Domain) assert.Contains(t, certRes.CertStableURL, "/certificate") assert.Contains(t, certRes.CertURL, "/certificate") assert.Nil(t, certRes.CSR) assert.Nil(t, certRes.PrivateKey) assert.Equal(t, certResponseMock, string(certRes.Certificate), "Certificate") assert.Equal(t, issuerMock, string(certRes.IssuerCertificate), "IssuerCertificate") } func Test_checkResponse_alternate(t *testing.T) { mux, apiURL := tester.SetupFakeAPI(t) mux.HandleFunc("/certificate", func(w http.ResponseWriter, _ *http.Request) { w.Header().Add("Link", fmt.Sprintf(`<%s/certificate/1>;title="foo";rel="alternate"`, apiURL)) _, err := w.Write([]byte(certResponseMock)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) mux.HandleFunc("/certificate/1", func(w http.ResponseWriter, _ *http.Request) { _, err := w.Write([]byte(certResponseMock2)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) key, err := rsa.GenerateKey(rand.Reader, 2048) require.NoError(t, err, "Could not generate test key") core, err := api.New(http.DefaultClient, "lego-test", apiURL+"/dir", "", key) require.NoError(t, err) certifier := NewCertifier(core, &resolverMock{}, CertifierOptions{KeyType: certcrypto.RSA2048}) order := acme.ExtendedOrder{ Order: acme.Order{ Status: acme.StatusValid, Certificate: apiURL + "/certificate", }, } certRes := &Resource{ Domain: "example.com", } bundle := false valid, err := certifier.checkResponse(order, certRes, bundle, "DST Root CA X3") require.NoError(t, err) assert.True(t, valid) assert.NotNil(t, certRes) assert.Equal(t, "example.com", certRes.Domain) assert.Contains(t, certRes.CertStableURL, "/certificate/1") assert.Contains(t, certRes.CertURL, "/certificate/1") assert.Nil(t, certRes.CSR) assert.Nil(t, certRes.PrivateKey) assert.Equal(t, certResponseMock2, string(certRes.Certificate), "Certificate") assert.Equal(t, issuerMock2, string(certRes.IssuerCertificate), "IssuerCertificate") } func Test_Get(t *testing.T) { mux, apiURL := tester.SetupFakeAPI(t) mux.HandleFunc("/acme/cert/test-cert", func(w http.ResponseWriter, _ *http.Request) { _, err := w.Write([]byte(certResponseMock)) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) key, err := rsa.GenerateKey(rand.Reader, 2048) require.NoError(t, err, "Could not generate test key") core, err := api.New(http.DefaultClient, "lego-test", apiURL+"/dir", "", key) require.NoError(t, err) certifier := NewCertifier(core, &resolverMock{}, CertifierOptions{KeyType: certcrypto.RSA2048}) certRes, err := certifier.Get(apiURL+"/acme/cert/test-cert", false) require.NoError(t, err) assert.NotNil(t, certRes) assert.Equal(t, "acme.wtf", certRes.Domain) assert.Equal(t, apiURL+"/acme/cert/test-cert", certRes.CertStableURL) assert.Equal(t, apiURL+"/acme/cert/test-cert", certRes.CertURL) assert.Nil(t, certRes.CSR) assert.Nil(t, certRes.PrivateKey) assert.Equal(t, certResponseMock, string(certRes.Certificate), "Certificate") assert.Equal(t, issuerMock, string(certRes.IssuerCertificate), "IssuerCertificate") } type resolverMock struct { error error } func (r *resolverMock) Solve(authorizations []acme.Authorization) error { return r.error }