Function waitForState

container/monitor-cli.test.ts:256–287

* Wait for ProcessMonitor to reach a specific state

(
  monitor: ProcessMonitor,
  targetState: ProcessState,
  timeout: number = TEST_TIMEOUT
)

 * Wait for ProcessMonitor to reach a specific state
 */
function waitForState(
  monitor: ProcessMonitor,
  targetState: ProcessState,
  timeout: number = TEST_TIMEOUT
): Promise<void> {
  return new Promise((resolve, reject) => {
    const timeoutId = setTimeout(() => {
      reject(new Error(`Timeout waiting for state: ${targetState} (current: ${monitor.getState()})`));
    }, timeout);

    const checkState = () => {
      if (monitor.getState() === targetState) {
        clearTimeout(timeoutId);
        resolve();
        return true;
      }
      return false;
    };

    if (checkState()) return;

    const handler = (event: MonitoringEvent) => {
      if (event.type === 'state_changed' && event.newState === targetState) {
        clearTimeout(timeoutId);
        monitor.removeListener('state_changed', handler);
        resolve();
      }
    };

    monitor.on('state_changed', handler);
  });
}

/**
 * Wait for a specific event from ProcessMonitor