first commit

apps/backend/internal/mailruntime/service_test.go

@@ -0,0 +1,60 @@
+package mailruntime
+
+import (
+	"strings"
+	"testing"
+
+	"productier/apps/backend/internal/store"
+)
+
+func TestEncryptDecryptRoundTrip(t *testing.T) {
+	service, err := New(store.NewSeededState("test"), nil, "mailruntime-test-secret")
+	if err != nil {
+		t.Fatalf("New() error = %v", err)
+	}
+
+	ciphertext, err := service.encrypt("super-secret-password")
+	if err != nil {
+		t.Fatalf("encrypt() error = %v", err)
+	}
+
+	plain, err := service.decrypt(ciphertext)
+	if err != nil {
+		t.Fatalf("decrypt() error = %v", err)
+	}
+
+	if plain != "super-secret-password" {
+		t.Fatalf("decrypt() = %q, want %q", plain, "super-secret-password")
+	}
+}
+
+func TestBuildOutgoingMessageIncludesHeaders(t *testing.T) {
+	messageBytes, err := buildOutgoingMessage(store.MailboxConnection{
+		Mailbox: store.Mailbox{
+			Email:       "sender@example.com",
+			DisplayName: "Sender",
+			SMTPHost:    "smtp.example.com",
+		},
+	}, store.OutgoingMail{
+		To: []store.MailAddress{
+			{Name: "Recipient", Email: "recipient@example.com"},
+		},
+		Subject:  "Quarterly Update",
+		TextBody: "Plain body",
+	})
+	if err != nil {
+		t.Fatalf("buildOutgoingMessage() error = %v", err)
+	}
+
+	message := string(messageBytes)
+	for _, fragment := range []string{
+		"Subject: Quarterly Update",
+		`From: "Sender" <sender@example.com>`,
+		`To: "Recipient" <recipient@example.com>`,
+		"Plain body",
+	} {
+		if !strings.Contains(message, fragment) {
+			t.Fatalf("built message missing %q\n%s", fragment, message)
+		}
+	}
+}