chore: smtp template and error handling for error@error.error

pkg/miniauth/miniauth_test.go

@@ -46,7 +46,7 @@ func TestRegistration(t *testing.T) {
 			password:      "abc123d,.,jfhfh",
 			mail:          "error@error.error",
 			exptErr:       ErrCantSendMail,
-			exptErrString: "cant send mail: error mail send",
+			exptErrString: "cant send mail: cant send mail to error mail",
 		},
 		{
 			name:          "success",

pkg/smtpclient/error.go

@@ -0,0 +1,5 @@
+package smtpclient
+
+import "errors"
+
+var ErrCantSendMailToErrorMail = errors.New("cant send mail to error mail")

pkg/smtpclient/smtpclient.go

@@ -3,7 +3,6 @@ package smtpclient
 import (
 	"bytes"
 	"embed"
-	"errors"
 	"fmt"
 	"html/template"
 	"strings"
@@ -16,7 +15,7 @@ var templates embed.FS
 
 func (s SMTPClient) SendMail(templateName string, to string, data any) error {
 	if to == "error@error.error" {
-		return errors.New("error mail send")
+		return ErrCantSendMailToErrorMail
 	}
 	return nil
 }

pkg/smtpclient/smtpclient_test.go

@@ -6,6 +6,13 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func TestSendMailToErrorAddress(t *testing.T) {
+	smtp := NewDummySMTPClient()
+
+	err := smtp.SendMail("foobar", "error@error.error", nil)
+	assert.ErrorIs(t, ErrCantSendMailToErrorMail, err)
+}
+
 func TestRenderFile(t *testing.T) {
 	smtp := NewDummySMTPClient()
 	subject, err := smtp.renderFile("register.subject", nil)