FluentConfiguration capabilities fails to set capabilities for multiple browsers

[davidje13]

The following configuration results in only Chrome being headless:

@FluentConfiguration(
        webDriver = "chrome",
        capabilities = ("{" +
                "\"moz:firefoxOptions\": {\"args\": [\"-headless\"]}," +
                "\"goog:chromeOptions\": {\"args\": [\"headless\", \"disable-gpu\"]}" +
                "}")
)

(when switching to firefox using -Dfluentlenium.webDriver=firefox at invocation, it does not run in headless mode).

However, if we rename the goog:chromeOptions entry, it works in FireFox (obviously fails in Chrome):

@FluentConfiguration(
        webDriver = "chrome",
        capabilities = ("{" +
                "\"moz:firefoxOptions\": {\"args\": [\"-headless\"]}," +
                "\"nope:chromeOptions\": {\"args\": [\"headless\", \"disable-gpu\"]}" +
                "}")
)

And if we build the configuration manually instead of via the JSON parsing, it works for both Chrome and FireFox:

    @Override
    public Capabilities getCapabilities() {
        MutableCapabilities capabilities = new MutableCapabilities();
        capabilities.setCapability(FirefoxOptions.FIREFOX_OPTIONS, new FirefoxOptions().addArguments("-headless"));
        capabilities.setCapability(ChromeOptions.CAPABILITY, new ChromeOptions().addArguments("headless", "disable-gpu"));
        return capabilities;
    }

I don't understand the difference between specifying the config as a string in the annotation and building it programmatically. I would like to be able to configure it without code (i.e. without a compile-time dependency on FirefoxOptions / ChromeOptions) with support for multiple browsers (switchable via the fluentlenium.webDriver flag).

---

• Fluentlenium 4.5.1
• Selenium 3.141.59
• macOS 10.14.6
• Firefox 86.0 / geckodriver 0.29.0
• Chrome 89.0.4389.82 / chromedriver 89.0.4389.23

[filipcynarski]

It looks like a defect, we should be able to handle it