first

backend/test/site/service_test.go

@@ -0,0 +1,62 @@
+package site_test
+
+import (
+	"context"
+	"testing"
+
+	"backend/internal/modules/site"
+)
+
+// fakeRepository is an in-memory site.Repository backing the single
+// site_settings row, used to unit-test site.Service without a real database.
+type fakeRepository struct {
+	settings site.Settings
+}
+
+func newFakeRepository() *fakeRepository {
+	return &fakeRepository{settings: site.Settings{ID: 1}}
+}
+
+func (r *fakeRepository) Get(_ context.Context) (*site.Settings, error) {
+	cp := r.settings
+	return &cp, nil
+}
+
+func (r *fakeRepository) Update(_ context.Context, s *site.Settings) error {
+	r.settings.Name = s.Name
+	r.settings.Description = s.Description
+	r.settings.Slug = s.Slug
+	return nil
+}
+
+func TestService_Update_PersistsFields(t *testing.T) {
+	svc := site.NewService(newFakeRepository())
+	ctx := context.Background()
+
+	updated, err := svc.Update(ctx, "My Shop", "A small shop", "my-shop")
+	if err != nil {
+		t.Fatalf("Update() error = %v", err)
+	}
+	if updated.Name != "My Shop" || updated.Description != "A small shop" || updated.Slug != "my-shop" {
+		t.Fatalf("Update() = %+v, fields not persisted as expected", updated)
+	}
+
+	fetched, err := svc.Get(ctx)
+	if err != nil {
+		t.Fatalf("Get() error = %v", err)
+	}
+	if fetched.Name != "My Shop" {
+		t.Fatalf("Get() after Update() = %+v, want name %q", fetched, "My Shop")
+	}
+}
+
+func TestService_Get_DefaultsBeforeAnyUpdate(t *testing.T) {
+	svc := site.NewService(newFakeRepository())
+	settings, err := svc.Get(context.Background())
+	if err != nil {
+		t.Fatalf("Get() error = %v", err)
+	}
+	if settings.Name != "" || settings.Slug != "" {
+		t.Fatalf("Get() before any update = %+v, want empty defaults", settings)
+	}
+}