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package server
import (	"os"	"path"	"testing")
func TestGhInstall(t *testing.T) {	dir := os.TempDir()	err := ghInstall(dir, "esm-dev/esm.sh", "main")	if err != nil {		t.Fatal(err)	}	if !fileExists(path.Join(dir, "node_modules/esm-dev/esm.sh/README.md")) {		t.Fatal("README.md not found")	}}
func TestListRepoRefs(t *testing.T) {	refs, err := listRepoRefs("https://github.com/esm-dev/esm.sh")	if err != nil {		t.Fatal(err)	}	var headSha string	for _, ref := range refs {		if ref.Ref == "HEAD" {			headSha = ref.Sha			break		}	}	if headSha == "" {		t.Fatal("HEAD not found")	}}