Method getWsUrl

javascript/selenium-webdriver/lib/webdriver.js:1331–1358

* Retrieves 'webSocketDebuggerUrl' by sending a http request using debugger address * @param {string} debuggerAddress * @param target * @param caps * @return {string} Returns parsed webSocketDebuggerUrl obtained from the http request

(debuggerAddress, target, caps)

   * @return {string} Returns parsed webSocketDebuggerUrl obtained from the http request
   */
  async getWsUrl(debuggerAddress, target, caps) {
    if (target && cdpTargets.indexOf(target.toLowerCase()) === -1) {
      throw new error.InvalidArgumentError('invalid target value')
    }

    if (debuggerAddress.match(/\/se\/cdp/)) {
      return debuggerAddress
    }

    let path
    if (target === 'page' && caps['map_'].get('browserName') !== 'firefox') {
      path = '/json'
    } else if (target === 'page' && caps['map_'].get('browserName') === 'firefox') {
      path = '/json/list'
    } else {
      path = '/json/version'
    }

    let request = new http.Request('GET', path)
    let client = new http.HttpClient('http://' + debuggerAddress)
    let response = await client.send(request)

    if (target.toLowerCase() === 'page') {
      return JSON.parse(response.body)[0]['webSocketDebuggerUrl']
    } else {
      return JSON.parse(response.body)['webSocketDebuggerUrl']
    }
  }

  /**
   * Sets a listener for Fetch.authRequired event from CDP