package mock import ( "context" "time" ) // MockMarking implements marking.MarkingInterface with simulated marking. type MockMarking struct { delay time.Duration } // NewMockMarking creates a MockMarking with default 500ms delay. func NewMockMarking() *MockMarking { return &MockMarking{ delay: 500 * time.Millisecond, } } // Mark simulates laser marking with a delay. func (m *MockMarking) Mark(ctx context.Context, text string) error { select { case <-time.After(m.delay): return nil case <-ctx.Done(): return ctx.Err() } }