Want to capture gif-animation when running Browser-tests in Docker container

[Bela Borbely]

Hi,

I am quite new to both Robot Framework and Browser library too. 

I am impressed of the active community and the capabilities of tools!

I would like to capture gif animations from the test run.  (Would be some kind of living (visual) specification too).  As I understood ScreenCapLibrary has this possibility: Start Gif Recording 

1. If I run tests in headless mode I get this error: "ScreenShotError: $DISPLAY not set."
2. If I run test not in headless mode, I get this error: "Looks like you launched a headed browser without having a XServer running.  Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright."

Can you recommend the easiest way to could capture gif (or even video) in Docker container without real monitor? Is it even possible?

I am also wondering how is it possible to run tests in headless mode and get png screenshots. I can, it is a basic thing in Robot Browser. Is gif-capturing so different than taking png screenshots?

Thank you in advance!

Cheers, Béla

[Tatu Aalto]

Hi

Welcome to the community.

With Browser library, gif is not possible out of the box, but you can record a video. From the New Context keyword 

https://marketsquare.github.io/robotframework-browser/Browser.html#New%20Context

see the recordVideo argument. This is inbuilt and will work with headless mode too.

-Tatu

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[Bela Borbely]

Thank you, Tatu!

Awesome, it is easier than I have expected!

Can I embed the video somehow into the report log.html and affect the name of the videos?  

[Tatu Aalto]

Hi

You can find the embedded video in the New Page keyword automatically.

If you are using video for debugging purposes, then it might be useful to look also at the trace.

-Tatu

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[Bela Borbely]

Double awesomeness! Thank you very much, this is exactly what I was looking for!

Terveisin, Béla