snapshot before legacy cleanup

console/internal/runtime/nodejs_test.go

@@ -0,0 +1,50 @@
+package runtime
+
+import (
+	"archive/zip"
+	"bytes"
+	"io"
+	"strings"
+	"testing"
+)
+
+func TestBuildJSDeployZipExportsMainAndHandler(t *testing.T) {
+	zipBytes, err := BuildJSDeployZip(`module.exports = async function () { return { status: 200, body: "ok" }; }`)
+	if err != nil {
+		t.Fatalf("BuildJSDeployZip() error = %v", err)
+	}
+
+	zr, err := zip.NewReader(bytes.NewReader(zipBytes), int64(len(zipBytes)))
+	if err != nil {
+		t.Fatalf("zip.NewReader() error = %v", err)
+	}
+
+	files := map[string]string{}
+	for _, file := range zr.File {
+		rc, openErr := file.Open()
+		if openErr != nil {
+			t.Fatalf("open %q: %v", file.Name, openErr)
+		}
+		content, readErr := io.ReadAll(rc)
+		_ = rc.Close()
+		if readErr != nil {
+			t.Fatalf("read %q: %v", file.Name, readErr)
+		}
+		files[file.Name] = string(content)
+	}
+
+	if files["package.json"] != `{"type":"module"}` {
+		t.Fatalf("package.json = %q, want ESM marker", files["package.json"])
+	}
+
+	mainJS := files["main.js"]
+	if !strings.Contains(mainJS, `export { __invoke as main, __invoke as handler };`) {
+		t.Fatalf("main.js does not export both main and handler: %s", mainJS)
+	}
+	if !strings.Contains(mainJS, `export default __invoke;`) {
+		t.Fatalf("main.js does not export default invoke: %s", mainJS)
+	}
+	if !strings.Contains(mainJS, `_fn.default || _fn.handler || _fn.main`) {
+		t.Fatalf("main.js lost user export resolution: %s", mainJS)
+	}
+}