package models import ( "testing" ) func TestNewNanoID(t *testing.T) { id := NewNanoID() if len(id) != 12 { t.Errorf("Expected ID length of 12, got %d", len(id)) } if id == "" { t.Error("Expected non-empty ID") } } func TestNewNanoID_Uniqueness(t *testing.T) { ids := make(map[string]bool) iterations := 1000 for i := 0; i < iterations; i++ { id := NewNanoID() if ids[id] { t.Errorf("Duplicate ID generated: %s", id) } ids[id] = true } if len(ids) != iterations { t.Errorf("Expected %d unique IDs, got %d", iterations, len(ids)) } }