Configuring Firefox settings in Nightwatch

Is there a way to set Firefox preferences in nightwatch? I am trying to achieve the same thing in Java using nightwatch.

To set Firefox preferences in nightwatch, you can use the following code snippet:
FirefoxProfile profile = new FirefoxProfile();
profile.setPreference("intl.accept_languages", "de");
WebDriver driver = new FirefoxDriver(profile);

I have successfully implemented this in Chrome, but I'm struggling to do the same in Firefox.

For setting preferences in Chrome, you can use the following desired capabilities in your nightwatch configuration:
"desiredCapabilities": {
  "browserName": "chrome",
  "javascriptEnabled": true,
  "acceptSslCerts": true,
  "chromeOptions" :{
    "prefs": {
      "intl.accept_languages":"fr"
    }
  }
}

Any help on how to set Firefox preferences would be greatly appreciated! Thank you.

javascriptfirefoxseleniumselenium-webdrivernightwatch.js

Answer №1

If you're facing issues with your Nightwatch test on Firefox, here's a solution for you:

1) Setting up a new Firefox profile:

To start, open a terminal and run the command: "firefox -p"
Then, create a new profile named "webdriver".

2) Customizing the new profile:

Access the configuration page by entering "about:config" in the URL bar.
Look for the setting "intl.accept_languages" and make necessary changes.
Close Firefox for now.

3) Configuring Nightwatch to use the new profile:

  1. "webdriver.firefox.profile" : "webdriver"

  2. List item "browserName" : "firefox"

Note that this is not a "desiredCapability" parameter.

Approach 1: (test configuration)

{
   "yourTest" : {
      "default" : {
        ...
        "webdriver.firefox.profile" : "webdriver",
        "launch_url": "http://localhost:3000",
        "desiredCapabilities" : {
          "browserName" : "firefox",
          "javascriptEnabled" : true,
          "acceptSslCerts" : true
        }
     }
   }
}

Approach 2: (global configuration)

{
  ...
  "selenium" : {
    "start_process" : false,
    "server_path" : "",
    "log_path" : "",
    "host" : "127.0.0.1",
    "port" : 4444,
    "cli_args" : {
      "webdriver.chrome.driver" : "",
      "webdriver.ie.driver" : "",
      "webdriver.firefox.profile" : "webdriver"
    }
  },
  ...
  "yourTest": {
    "default": {
        "launch_url": "http://localhost:3000",
        "desiredCapabilities" : {
            "browserName" : "firefox",
            "javascriptEnabled" : true,
            "acceptSslCerts" : true
        }
    },
  ...
  }
  ...
}

For more details on selenium settings, visit:

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