// Local helpers for snapshot_test.go — production code does not see them.
package catalog

import (
	"os"
)

func os2WriteFile(path string, data []byte, perm os.FileMode) error {
	return os.WriteFile(path, data, perm)
}

func os2Stat(path string) (os.FileInfo, error) {
	return os.Stat(path)
}

// appendP appends a Projection keyed by its own SKU — the producer/test pattern
// over the now-generic SnapshotWriter[Projection] (Append takes an explicit key).
func appendP(w *SnapshotWriter[Projection], p Projection) error {
	return w.Append(p.SKU, p)
}

func repeat32(s string, n int) string {
	out := make([]byte, 0, n*len(s))
	for i := 0; i < n; i++ {
		out = append(out, s...)
	}
	return string(out)
}