Stackyard

package archive

import (
	"archive/zip"
	"bytes"
	"os"
	"path/filepath"
	"testing"
)

func TestWriteZIPSkipsIgnoredDirectories(t *testing.T) {
	root := filepath.Join(t.TempDir(), "demo")
	if err := os.MkdirAll(filepath.Join(root, "node_modules", "pkg"), 0o755); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(root, "README.md"), []byte("demo"), 0o644); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(root, "node_modules", "pkg", "index.js"), []byte("ignored"), 0o644); err != nil {
		t.Fatal(err)
	}
	var out bytes.Buffer
	if err := Write(&out, root, FormatZIP, Options{IgnoreDirs: []string{"node_modules"}}); err != nil {
		t.Fatal(err)
	}
	zr, err := zip.NewReader(bytes.NewReader(out.Bytes()), int64(out.Len()))
	if err != nil {
		t.Fatal(err)
	}
	if len(zr.File) != 1 || zr.File[0].Name != "demo/README.md" {
		t.Fatalf("unexpected archive entries: %+v", zr.File)
	}
}

func TestWriteRejectsUnknownFormat(t *testing.T) {
	if err := Write(&bytes.Buffer{}, t.TempDir(), Format("rar"), Options{}); err == nil {
		t.Fatal("expected unsupported format error")
	}
}