Function mockCoderCommandResult

src/node/services/coderService.test.ts:80–101

(options: {
  stdout?: string;
  stderr?: string;
  exitCode: number;
})

let spawnSpy: ReturnType<typeof spyOn<typeof childProcess, "spawn">> | null = null;

function mockCoderCommandResult(options: {
  stdout?: string;
  stderr?: string;
  exitCode: number;
}): void {
  const stdout = Readable.from(options.stdout ? [Buffer.from(options.stdout)] : []);
  const stderr = Readable.from(options.stderr ? [Buffer.from(options.stderr)] : []);
  const events = new EventEmitter();

  spawnSpy?.mockReturnValue({
    stdout,
    stderr,
    exitCode: null,
    signalCode: null,
    kill: vi.fn(),
    on: events.on.bind(events),
    removeListener: events.removeListener.bind(events),
  } as never);

  // Emit close after handlers are attached.
  setTimeout(() => events.emit("close", options.exitCode), 0);
}

type RichParameter = Parameters<CoderService["computeExtraParams"]>[0][number];