첫 커밋: 로컬 프로젝트 업로드

baron-sso/backend/cmd/server/error_handler_test.go

@@ -0,0 +1,139 @@
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func decodeJSONBody(t *testing.T, resp *http.Response) map[string]any {
+	t.Helper()
+
+	var body map[string]any
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("failed to decode response body: %v", err)
+	}
+	return body
+}
+
+func TestNewErrorHandler_ProductionMasksServerError(t *testing.T) {
+	app := fiber.New(fiber.Config{ErrorHandler: newErrorHandler("production")})
+	app.Get("/boom", func(c *fiber.Ctx) error {
+		return errors.New("database connection failed")
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/boom", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("unexpected status code: %d", resp.StatusCode)
+	}
+
+	body := decodeJSONBody(t, resp)
+	if body["error"] != "Internal Server Error" {
+		t.Fatalf("unexpected error message: %v", body["error"])
+	}
+	if body["code"] != "internal_error" {
+		t.Fatalf("unexpected error code: %v", body["code"])
+	}
+}
+
+func TestNewErrorHandler_ProductionPassesClientError(t *testing.T) {
+	app := fiber.New(fiber.Config{ErrorHandler: newErrorHandler("production")})
+	app.Get("/bad", func(c *fiber.Ctx) error {
+		return fiber.NewError(fiber.StatusBadRequest, "bad request payload")
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/bad", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("unexpected status code: %d", resp.StatusCode)
+	}
+
+	body := decodeJSONBody(t, resp)
+	if body["error"] != "bad request payload" {
+		t.Fatalf("unexpected error message: %v", body["error"])
+	}
+	if body["code"] != "bad_request" {
+		t.Fatalf("unexpected error code: %v", body["code"])
+	}
+}
+
+func TestNewErrorHandler_DevelopmentReturnsOriginalServerError(t *testing.T) {
+	app := fiber.New(fiber.Config{ErrorHandler: newErrorHandler("dev")})
+	app.Get("/boom", func(c *fiber.Ctx) error {
+		return errors.New("database connection failed")
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/boom", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("unexpected status code: %d", resp.StatusCode)
+	}
+
+	body := decodeJSONBody(t, resp)
+	if body["error"] != "database connection failed" {
+		t.Fatalf("unexpected error message: %v", body["error"])
+	}
+	if body["code"] != "internal_error" {
+		t.Fatalf("unexpected error code: %v", body["code"])
+	}
+}
+
+func TestNewErrorHandler_MapsUnauthorizedCode(t *testing.T) {
+	app := fiber.New(fiber.Config{ErrorHandler: newErrorHandler("production")})
+	app.Get("/unauthorized", func(c *fiber.Ctx) error {
+		return fiber.NewError(fiber.StatusUnauthorized, "missing token")
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/unauthorized", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("unexpected status code: %d", resp.StatusCode)
+	}
+
+	body := decodeJSONBody(t, resp)
+	if body["code"] != "invalid_session" {
+		t.Fatalf("unexpected error code: %v", body["code"])
+	}
+}
+
+func TestShouldEnableDocs_DisabledOnlyInProduction(t *testing.T) {
+	testCases := []struct {
+		appEnv string
+		want   bool
+	}{
+		{appEnv: "production", want: false},
+		{appEnv: "prod", want: false},
+		{appEnv: "stage", want: true},
+		{appEnv: "staging", want: true},
+		{appEnv: "dev", want: true},
+		{appEnv: "development", want: true},
+	}
+
+	for _, tc := range testCases {
+		got := shouldEnableDocs(tc.appEnv)
+		if got != tc.want {
+			t.Fatalf("appEnv=%s expected shouldEnableDocs=%v, got %v", tc.appEnv, tc.want, got)
+		}
+	}
+}