chore: initial import

pkg/response/response_test.go

@@ -0,0 +1,66 @@
+package response
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	errorspkg "github.com/company/ai-ops/pkg/errors"
+)
+
+func TestJSONWritesStatusContentTypeAndBody(t *testing.T) {
+	w := httptest.NewRecorder()
+
+	JSON(w, http.StatusCreated, map[string]string{"ok": "true"})
+
+	if w.Code != http.StatusCreated {
+		t.Fatalf("status = %d", w.Code)
+	}
+	if got := w.Header().Get("Content-Type"); got != "application/json" {
+		t.Fatalf("content-type = %s", got)
+	}
+	if got := w.Body.String(); got != "{\"ok\":\"true\"}\n" {
+		t.Fatalf("body = %s", got)
+	}
+}
+
+func TestSuccessAndErrorResponses(t *testing.T) {
+	t.Run("success", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		Success(w, map[string]any{"id": "1"})
+		var out Response
+		if err := json.Unmarshal(w.Body.Bytes(), &out); err != nil {
+			t.Fatal(err)
+		}
+		data := out.Data.(map[string]any)
+		if data["id"] != "1" {
+			t.Fatalf("unexpected data: %+v", out.Data)
+		}
+	})
+
+	t.Run("error", func(t *testing.T) {
+		w := httptest.NewRecorder()
+		Error(w, errorspkg.ErrForbidden)
+		if w.Code != http.StatusForbidden {
+			t.Fatalf("status = %d", w.Code)
+		}
+		if got := w.Body.String(); got == "" || !json.Valid(w.Body.Bytes()) {
+			t.Fatalf("invalid json body: %q", got)
+		}
+	})
+}
+
+func TestPaginatedResponseComputesTotalPages(t *testing.T) {
+	w := httptest.NewRecorder()
+	PaginatedResponse(w, []string{"a", "b"}, 21, 2, 10)
+
+	var out Response
+	if err := json.Unmarshal(w.Body.Bytes(), &out); err != nil {
+		t.Fatal(err)
+	}
+	payload := out.Data.(map[string]any)
+	if payload["total_pages"].(float64) != 3 {
+		t.Fatalf("total_pages = %+v", payload["total_pages"])
+	}
+}