rpmtest

var (
	SortPackages = cmpopts.SortSlices(func(a, b *claircore.Package) bool {
		return a.Name < b.Name
	})
	IgnorePackageDB = cmpopts.IgnoreFields(claircore.Package{}, ".PackageDB")
)

var EpochCompare = cmp.FilterPath(
	func(p cmp.Path) bool { return p.Last().String() == ".Version" },
	cmp.Comparer(func(a, b string) bool {
		evr, vr := a, b
		if len(b) > len(a) {
			evr = b
			vr = a
		}
		return strings.Contains(evr, vr)
	}),
)

var HintCompare = cmp.FilterPath(
	func(p cmp.Path) bool { return p.Last().String() == ".RepositoryHint" },
	cmp.Comparer(func(a, b string) bool {
		am, bm := make(map[string]string), make(map[string]string)
		for _, s := range strings.Split(a, "|") {
			if s == "" {
				continue
			}
			k, v, ok := strings.Cut(s, ":")
			if !ok {
				panic("odd format: " + s)
			}
			am[k] = v
		}
		delete(am, "hash")
		for _, s := range strings.Split(b, "|") {
			if s == "" {
				continue
			}
			k, v, ok := strings.Cut(s, ":")
			if !ok {
				panic("odd format: " + s)
			}
			bm[k] = v
		}
		delete(bm, "hash")
		return cmp.Equal(am, bm)
	}),
)

var Options = cmp.Options{
	HintCompare,
	EpochCompare,
	IgnorePackageDB,
	SortPackages,
}