Log level for firefox/gecko capabilities in serenity.properties

[mmanach]

Hello,

Currently, the default log level for geckodriver seems to be "DEBUG"

1505915407498	Marionette	INFO	Listening on port 52508
1505915408158	Marionette	WARN	TLS certificate errors will be ignored for this session
1505915408207	Marionette	DEBUG	loaded listener.js
sept. 20, 2017 3:50:08 PM org.openqa.selenium.remote.ProtocolHandshake createSession
INFOS: Detected dialect: W3C
1505915408341	Marionette	DEBUG	Received DOM event "beforeunload" for "about:blank"
1505915408777	Marionette	DEBUG	Received DOM event "pagehide" for "about:blank"
1505915408778	Marionette	DEBUG	Received DOM event "unload" for "about:blank"

I tried to modify geckodriver log level to TRACE in serenity.properties :

• serenity.driver.capabilities = {"moz:firefoxOptions": {"log": {"level": "trace"}}};
• firefox.preferences= --log trace //-vv

But none seems to work.

Is it the right way ?

[wakaleo]

Do you know if gecko supports these options?

[mmanach]

I think so :

• How to set verbosity of MarionetteDriver? mozilla/geckodriver#152 (comment)
• How to set verbosity of MarionetteDriver? mozilla/geckodriver#152 (comment)
• https://github.com/mozilla/geckodriver => capabilities part

[mmanach]

Hi @wakaleo ,

Having to provide a geckodriver trace for this issue (mozilla/geckodriver#962 (comment)), I dipped back into this problem.

So for the serenity.properties, it seems that this format is correct :
https://searchfox.org/mozilla-central/source/testing/geckodriver/doc/TraceLogs.md

serenity.driver.capabilities={"capabilities": {"alwaysMatch": {"moz:firefoxOptions": {"log": {"level": "trace"}}}}}

For information, I tested the line below with FF 57 beta, and it works.

#serenity.driver.capabilities={"capabilities": {"alwaysMatch": {moz:webdriverClick":"true"}}}

But for the geckodriver trace, in the console I only get few information, and not all the traces.

I only succeeded to get all logs with this implementation : http://thucydides.info/docs/serenity-staging/#_custom_webdriver_implementations

public class MyFirefoxDriver implements DriverSource {

        @Override
        public WebDriver newDriver() {
            FirefoxOptions options = new FirefoxOptions();
            options.setLogLevel(Level.ALL);

            return new FirefoxDriver(options);
        }

    @Override
    public boolean takesScreenshots() {
        return false;
    }

}

[wakaleo]

Thanks for your research into this. If you need to set the log levels programmatically, a custom driver would be the best option for now. Longer term you could propose a PR for the FirefoxDriverCapabilities class to do this in a more configurable way.

[cvarshn-cloud]

you can use options in serenity properties like below:

gecko.firefox.options={"args": ["-headless"], "log": {"level": "info"}, "prefs": {"dom.ipc.processCount": 8,"javascript.options.showInConsole": false,"javascript.options.strict":false,"nglayout.debug.disable_xul_cache":true}}