package store

import "testing"

func TestDecodeWarnings(t *testing.T) {
	old := decodeWarnings(`["Only 3 of 9 folders match."]`)
	if len(old) != 1 || old[0].Title != "Only 3 of 9 folders match." {
		t.Fatalf("plain-string warnings from older scans should decode as titles, got %+v", old)
	}
	cur := decodeWarnings(`[{"title":"t","items":[{"slave":"a","master":"b","count":2}],"total":5}]`)
	if len(cur) != 1 || cur[0].Total != 5 || cur[0].Items[0].Count != 2 {
		t.Fatalf("structured warnings should round-trip, got %+v", cur)
	}
	if ws := decodeWarnings(`[]`); ws == nil || len(ws) != 0 {
		t.Fatalf("empty list should stay an empty (non-nil) list, got %#v", ws)
	}
}