Test_Limiter_Bug_NewErrorf_SkipSuccessfulRequests_SlidingWindow() — fiber Function Reference

Source Code

middleware/limiter/limiter_test.go lines 1497–1527

func Test_Limiter_Bug_NewErrorf_SkipSuccessfulRequests_SlidingWindow(t *testing.T) {
	t.Parallel()

	app := fiber.New()

	app.Use(New(Config{
		Max:                    1,
		Expiration:             60 * time.Second,
		LimiterMiddleware:      SlidingWindow{},
		SkipSuccessfulRequests: true,
		SkipFailedRequests:     false,
		DisableHeaders:         true,
	}))

	app.Get("/", func(_ fiber.Ctx) error {
		return fiber.NewErrorf(fiber.StatusInternalServerError, "Error")
	})

	// First request should succeed (and be counted because it's a failed request)
	resp, err := app.Test(httptest.NewRequest(fiber.MethodGet, "/", http.NoBody))
	require.NoError(t, err)
	require.Equal(t, fiber.StatusInternalServerError, resp.StatusCode)

	// Second request should be rate limited because the first failed request was counted
	// But currently this is not happening due to the bug
	resp, err = app.Test(httptest.NewRequest(fiber.MethodGet, "/", http.NoBody))
	require.NoError(t, err)

	// This should be 429 (rate limited) but currently returns 500 due to the bug
	require.Equal(t, fiber.StatusTooManyRequests, resp.StatusCode, "Second request should be rate limited")
}