package kubesource

import (
	"path/filepath"
	"testing"

	"git.k8s-git-k6n.net/mats/fancy-dns/internal/config"
)

// A BlockList cannot name a file, so the runtime keeps each list's copy under
// its own data directory. The name comes from the object, so it must never be
// able to leave that directory.
func TestClusterListsGetAPathUnderTheDataDirectory(t *testing.T) {
	base := config.Default()
	base.Cache.Persist.Path = "/var/lib/fancy-dns/cache.db"
	merged, _ := Merge(base, &Snapshot{Lists: []config.ListSource{
		{Name: "haas", URL: "https://a/x", Enabled: true},
		{Name: "../escape", URL: "https://a/y", Enabled: true},
	}})
	got := map[string]string{}
	for _, l := range merged.Block.Lists {
		got[l.Name] = l.Path
	}
	if want := filepath.Join("/var/lib/fancy-dns", "lists", "haas"); got["haas"] != want {
		t.Errorf("path = %q, want %q", got["haas"], want)
	}
	if got["../escape"] != "" {
		t.Errorf("a name that is not a plain file name got the path %q", got["../escape"])
	}
}