dros/cypress.config.ts

import { defineConfig } from 'cypress';
import mqtt from 'mqtt'

function logWithTimestamp(message, ...args) {
  const timestamp = new Date().toLocaleString();
  console.log(`[${timestamp}] ${message}`, ...args);
  //cy.log(`[${timestamp}] ${message}`);
}

export default defineConfig({
  viewportWidth: 1920,
  viewportHeight: 1080,
  e2e: {
    baseUrl: null,//'http://localhost:10086/#/pages/index/index', // Adjust this to match your application's base 
    // specPattern: '__e2e_test__/**/*.spec.ts',
    setupNodeEvents(on, config) {
      on('task', {
        // 参数：{ broker, topic, payload [, opts] }
        mqttPublish({ broker = 'ws://localhost:8083/mqtt', topic, payload, qos = 0, retain = false }) {
          return new Promise((resolve, reject) => {
            console.log('这里执行了吗')
            const client = mqtt.connect(broker)
            client.on('connect', () => {
              client.publish(topic, payload, { qos, retain }, err => {
                // console.log(`发布数据--${payload}===broker:${broker}`)
                logWithTimestamp(`发布数据--${payload}===broker:${broker}`)
                // 关键：等底层 socket 的 buffer 清空
                client.stream.on('drain', () => {
                  client.end(true)   // true = 强制 flush 再关闭
                  logWithTimestamp(`drain发布完成  topic : ${topic}`)
                  resolve(null)
                })
                logWithTimestamp(`发布完成  topic : ${topic}`)
                if (err) reject(err)
                else resolve(null)
              });
            })
            client.on('error', reject)
          })
        }
      })
      return require('./cypress/plugins/index.js')(on, config);
    },
  },
});