Performance log for Chrome doesn't work in 4.0.0-alpha.3

[soulgalore]

🐛 Bug Report

With Chrome 75/Chromedriver 75 and NodeJS Selenium 4.0.0-alpha.3 getting the Chrome performance log fails. I think it was introduced in 8edc13b together with the Chromedriver switch to have w3c compliant as default.

This works with Selenium 3.6.0

To Reproduce

Run the following code + use Chromedriver 75 in the same dir and have Chrome 75 installed.

const chrome = require('selenium-webdriver/chrome');
const { Builder, logging } = require('selenium-webdriver');

const options = new chrome.Options();
const logPrefs = new logging.Preferences();
logPrefs.setLevel(logging.Type.PERFORMANCE, logging.Level.ALL);

const perfLogConf = { enableNetwork: true, enablePage: true };

options.setPerfLoggingPrefs(perfLogConf);
options.setLoggingPrefs(logPrefs);

const service = new chrome.ServiceBuilder()
  .loggingTo('./chromedriver.log')
  .enableVerboseLogging()
  .build();
chrome.setDefaultService(service);

const driver = new Builder()
  .forBrowser('chrome')
  .setChromeOptions(options)
  .build();

driver.get(
  'https://seleniumhq.github.io/selenium/docs/api/javascript/module/selenium-webdriver/chrome_exports_Driver.html'
);

Expected behavior

The code should not return any error.

It generates an error: InvalidArgumentError: invalid argument: perfLoggingPrefs specified, but performance logging was not enabled. However the log is enabled.

Checking the Chromedriver log we can see that the loggingPrefs is filtered out in the "always match part" (since it's only w3c compliant fields).

[1560795572.228][INFO]: Starting ChromeDriver 75.0.3770.90 (a6dcaf7e3ec6f70a194cc25e8149475c6590e025-refs/branch-heads/3770@{#1003})
[1560795572.228][INFO]: Please protect ports used by ChromeDriver and related test frameworks to prevent access by malicious code.
[1560795572.251][INFO]: [8580073239e9346564a93f6dfcbd2cae] COMMAND InitSession {
   "capabilities": {
      "alwaysMatch": {
         "browserName": "chrome",
         "goog:chromeOptions": {
            "perfLoggingPrefs": {
               "enableNetwork": true,
               "enablePage": true
            }
         }
      }
   },
   "desiredCapabilities": {
      "browserName": "chrome",
      "goog:chromeOptions": {
         "perfLoggingPrefs": {
            "enableNetwork": true,
            "enablePage": true
         }
      },
      "loggingPrefs": {
         "performance": "ALL"
      }
   }
}
[1560795572.251][INFO]: [8580073239e9346564a93f6dfcbd2cae] RESPONSE InitSession ERROR invalid argument: perfLoggingPrefs specified, but performance logging was not enabled
[1560795572.251][DEBUG]: Log type 'driver' lost 1 entries on destruction

Is this a Chromedriver error or Selenium or both? It works in 3.6.0 :)

Environment

OS: OSX
Browser: Chrome
Browser version: 75
Browser Driver version: Chromedriver 75.0.3770.90
Language Bindings version: NodeJs 4.0.0-alpha.3

[cool-firer]

I met the same error, also Chrome 75, any solution?

[twalpole]

As mentioned in the Chromedriver 75.0.3770.8 changelog - http://chromedriver.chromium.org/downloads - the preference name was changed to goog:loggingPrefs to be W3C compliant. I don't know if changing that will fix your issue though since the log access endpoints also changed in Chromedriver 75.0.3770.90 to be W3C compliant, and I'm not sure whether or not the JS 4.0 alpha supports the new endpoints yet.

[cool-firer]

yeah, looks like a way to get log:
'use strict'

const webdriver = require('selenium-webdriver');
const { Preferences, Type, Level } = require('selenium-webdriver/lib/logging')
const { By, Key, Capabilities, until } = require('selenium-webdriver');
const chrome = require('selenium-webdriver/chrome');

async function tesss() {

  const caps = webdriver.Capabilities.chrome();
  const logPrefs = new Preferences();
  logPrefs.setLevel(Type.PERFORMANCE, Level.ALL);

  caps.setLoggingPrefs(logPrefs);
  caps.set('goog:loggingPrefs', logPrefs);

  const options = new chrome.Options(caps);
  options.headless();

  const driver = new webdriver.Builder()
  .forBrowser('chrome')
  .setChromeOptions(options)
  .setFirefoxOptions(/* ... */)
  .build();

  await driver.get('https://www.google.com/');

  await driver.sleep(2000);

  const en = await driver.manage().logs().get(Type.PERFORMANCE);
  console.log(en);

  await driver.quit();

}
tesss();

According to https://stackoverflow.com/questions/53049026/selenium-chrome-performance-logs-not-working

[barancev]

Fixed by commit 6674a23