TestTimeout_HandlerReturnsEarlyOnCancel() — fiber Function Reference

Architecture documentation for the TestTimeout_HandlerReturnsEarlyOnCancel() function in timeout_test.go from the fiber codebase.

Function go FiberCore Adapters

Entity Profile

FiberCore→ Adapters→ TestTimeout_HandlerReturnsEarlyOnCancel() — fiber Function Reference

Dependency Diagram

graph TD
  c22022d7_4cc0_3cab_b87e_f04ea001fbce["TestTimeout_HandlerReturnsEarlyOnCancel()"]
  bab1b67e_4e42_cfe9_38ec_3f1f6a839718["timeout_test.go"]
  c22022d7_4cc0_3cab_b87e_f04ea001fbce -->|defined in| bab1b67e_4e42_cfe9_38ec_3f1f6a839718
  style c22022d7_4cc0_3cab_b87e_f04ea001fbce fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

middleware/timeout/timeout_test.go lines 113–139

func TestTimeout_HandlerReturnsEarlyOnCancel(t *testing.T) {
	t.Parallel()
	app := fiber.New()

	app.Get("/early-return", New(func(c fiber.Ctx) error {
		// Handler that would take 500ms but checks context
		for i := 0; i < 50; i++ {
			select {
			case <-c.Context().Done():
				return c.Context().Err()
			case <-time.After(10 * time.Millisecond):
				// Continue work
			}
		}
		return c.SendString("completed")
	}, Config{Timeout: 30 * time.Millisecond}))

	req := httptest.NewRequest(fiber.MethodGet, "/early-return", http.NoBody)
	start := time.Now()
	resp, err := app.Test(req)
	elapsed := time.Since(start)

	require.NoError(t, err)
	require.Equal(t, fiber.StatusRequestTimeout, resp.StatusCode)
	// Should complete much faster than 500ms because handler checks context
	require.Less(t, elapsed, 100*time.Millisecond)
}