feat: unit testing mocked repos / domain

test/image_test.go

@@ -0,0 +1,67 @@
+package test
+
+import (
+	"RenewCMS/internal/domain/image"
+	"RenewCMS/internal/infrastructure/useCases"
+	"strings"
+	"testing"
+)
+
+type mockImageRepo struct {
+	images map[uint32]image.Image
+}
+
+func (m *mockImageRepo) Create(input image.ImageInput) (image.Image, error) {
+	newId := uint32(len(m.images) + 1)
+	img := image.Image{
+		ID:   newId,
+		Path: "/static/" + input.Filename,
+	}
+	m.images[newId] = img
+	return img, nil
+}
+
+func (m *mockImageRepo) Delete(id uint32) error {
+	delete(m.images, id)
+	return nil
+}
+
+var _ image.Repository = &mockImageRepo{}
+
+func TestImageUseCases(t *testing.T) {
+	repo := &mockImageRepo{images: make(map[uint32]image.Image)}
+	createUc := useCases.NewCreateImageUseCase(repo)
+	deleteUc := useCases.NewDeleteImageUseCase(repo)
+
+	t.Run("Create Image", func(t *testing.T) {
+		input := image.ImageInput{
+			Content:     strings.NewReader("fake-image-data"),
+			Filename:    "test.png",
+			ContentType: "image/png",
+		}
+
+		res, err := createUc.CreateImage(input)
+		if err != nil {
+			t.Fatalf("CreateImage failed: %v", err)
+		}
+		if res.ID == 0 {
+			t.Errorf("Expected valid ID, got 0")
+		}
+		if !strings.Contains(res.Path, "test.png") {
+			t.Errorf("Path mismatch: %s", res.Path)
+		}
+	})
+
+	t.Run("Delete Image", func(t *testing.T) {
+		repo.images[99] = image.Image{ID: 99, Path: "/static/delete-me.png"}
+
+		err := deleteUc.DeleteImage(99)
+		if err != nil {
+			t.Fatalf("DeleteImage failed: %v", err)
+		}
+
+		if _, exists := repo.images[99]; exists {
+			t.Errorf("Image 99 should have been deleted")
+		}
+	})
+}