Function Test_Logger_New_TimeDoneUpdater

middleware/logger/coverage_test.go:174–204

Test_Logger_New_TimeDoneUpdater verifies the New path that starts a dedicated timestamp updater when TimeDone is configured (covers startTimestampUpdater).

(t *testing.T)

// Test_Logger_New_TimeDoneUpdater verifies the New path that starts a dedicated
// timestamp updater when TimeDone is configured (covers startTimestampUpdater).
func Test_Logger_New_TimeDoneUpdater(t *testing.T) {
	t.Parallel()

	done := make(chan struct{})
	defer close(done)

	buf := bytes.NewBuffer(nil)
	app := fiber.New()
	app.Use(New(Config{
		Format:       "${time}\n",
		TimeFormat:   time.RFC3339Nano,
		TimeInterval: 5 * time.Millisecond,
		TimeDone:     done,
		Stream:       buf,
	}))
	app.Get("/", func(c fiber.Ctx) error {
		return c.SendString("ok")
	})

	resp, err := app.Test(httptest.NewRequest(fiber.MethodGet, "/", http.NoBody))
	require.NoError(t, err)
	require.Equal(t, fiber.StatusOK, resp.StatusCode)

	// The format always emits a trailing newline, so a non-empty buffer alone
	// would pass even if ${time} rendered empty. Trim it and assert the rendered
	// timestamp is present and well-formed, proving the updater path ran.
	rendered := strings.TrimRight(buf.String(), "\n")
	require.NotEmpty(t, rendered)
	_, parseErr := time.Parse(time.RFC3339Nano, rendered)
	require.NoError(t, parseErr)
}