mock the mail server using a channel to read

internal/handlers/setup_test.go

@@ -39,6 +39,12 @@ func TestMain(m *testing.M) {
 
 	app.Session = session
 
+	mailChan := make(chan models.MailData)
+	app.MailChan = mailChan
+	defer close(mailChan)
+
+	listenForMail()
+
 	tc, err := CreateTestTemplateCache()
 	if err != nil {
 		log.Fatalf("cannot create template cache: %s", err)
@@ -135,3 +141,11 @@ func CreateTestTemplateCache() (map[string]*template.Template, error) {
 
 	return myCache, nil
 }
+
+func listenForMail() {
+	go func() {
+		for {
+			<-app.MailChan
+		}
+	}()
+}