console/packages/libraries/core/tests/test-utils.ts

export function waitFor(ms: number) {
  return new Promise<void>(resolve => {
    setTimeout(resolve, ms);
  });
}

/** helper function to get log lines and replace milliseconds with static value. */
function getLogLines(calls: Array<Array<unknown>>) {
  return calls.map(log => {
    let msg: string;
    if (typeof log[1] === 'string') {
      msg = log[1]
        // Replace milliseconds with static value
        .replace(/\(\d{1,3}ms\)/, '(666ms)')
        // Replace stack trace line numbers with static value
        .replace(/\(node:net:\d+:\d+\)/, '(node:net:666:666)')
        .replace(/\(node:dns:\d+:\d+\)/, '(node:dns:666:666)');
    } else {
      msg = String(log[1]);
    }

    return '[' + log[0] + ']' + ' ' + msg;
  });
}

export function createHiveTestingLogger() {
  let fn = vi.fn();
  return {
    error: (message: unknown) => fn('ERR', message),
    info: (message: unknown) => fn('INF', message),
    getLogs() {
      return getLogLines(fn.mock.calls).join('\n');
    },
    clear() {
      fn = vi.fn();
    },
  };
}