Function makeFakeEngine

tests/engine.test.ts:332–337

(tmpDir: string, script: string)

//       path would have to string-match on.

function makeFakeEngine(tmpDir: string, script: string): { name: string; config: { bin: string; args: (p: string) => string[] } } {
  const binPath = path.join(tmpDir, 'fake-engine');
  fs.writeFileSync(binPath, script);
  fs.chmodSync(binPath, 0o755);
  return { name: 'fake', config: { bin: binPath, args: (p) => [p] } };
}

test('invokeEngineAsync: child stdin is closed with EOF (does not inherit parent)', async () => {
  if (process.platform === 'win32') return;