package render

import (
	"os"
	"path/filepath"
	"slices"
	"strings"
	"testing"
)

// filepath.Glob would read "out[1]" as a pattern and list out1 instead.
func TestListDirGlobChars(t *testing.T) {
	root := t.TempDir()
	for _, f := range []string{"out[1]/a.xml", "out[1]/b.txt", "out1/c.xml"} {
		p := filepath.Join(root, filepath.FromSlash(f))
		if err := os.MkdirAll(filepath.Dir(p), 0o755); err != nil {
			t.Fatal(err)
		}
		if err := os.WriteFile(p, nil, 0o644); err != nil {
			t.Fatal(err)
		}
	}
	xml := func(n string) bool { return strings.HasSuffix(n, ".xml") }
	got, err := listDir(filepath.Join(root, "out[1]"), xml)
	if want := []string{filepath.Join(root, "out[1]", "a.xml")}; err != nil || !slices.Equal(got, want) {
		t.Errorf("listDir = %q, %v; want %q", got, err, want)
	}
	if got, err := listDir(filepath.Join(root, "missing"), xml); err != nil || got != nil {
		t.Errorf("missing dir: %q, %v", got, err)
	}
}