front, scripts: add playwright container for e2e tests

[Synar]

Close #9505

Instead of simply expanding the readme as initially thought in the issue,
a dockerfile is added for the playwright container,
and a script is used to launch it with optional ui flags for x11 and wayland.

The wayland flag is currently not working (hence the draft status), but the headless and x11 mode are working and ready for review. Interestingly, the x11 mode works on wayland through compatibility.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.83%. Comparing base (e67214e) to head (b8d7488).
Report is 36 commits behind head on dev.

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #9554      +/-   ##
============================================
- Coverage     42.49%   37.83%   -4.66%     
============================================
  Files          1312      990     -322     
  Lines        105608    90920   -14688     
  Branches       3305     1176    -2129     
============================================
- Hits          44878    34400   -10478     
+ Misses        58777    56066    -2711     
+ Partials       1953      454    -1499     

Flag	Coverage Δ
core	?
editoast	73.23% <ø> (-0.49%)	⬇️
front	20.11% <ø> (+1.32%)	⬆️
gateway	2.18% <ø> (ø)
osrdyne	3.28% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	86.74% <ø> (ø)

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[emersion]

Have you seen this? https://playwright.dev/docs/test-ui-mode#docker--github-codespaces

[Synar]

Have you seen this? https://playwright.dev/docs/test-ui-mode#docker--github-codespaces

I had not, this should be much simpler

[Yohh]

could we put run-front-playwright-container.sh in front/scripts?

[Khoyo]

could we put run-front-playwright-container.sh in front/scripts?

I mildly disagree, running the e2e tests shouldn't be a front thing.

[Synar]

Have you seen this? https://playwright.dev/docs/test-ui-mode#docker--github-codespaces

Tested, seems to work perfectly and should greatly simplify the script. Thanks a lot!

[Synar]

Only problem remaining is that @ElysaSrc and @multun old hack to make sure created files are owned by the user and not root does not seem to be working here yet. Can you take a look @ElysaSrc ?

[Yohh]

once rebased, this PR totally fixes the known issues about e2e tests while using host-compose.sh, thank you

[Synar]

A bit outside the scope of this pr, but I noticed that the CI seems to spend a lot of time installing playwright deps with "npx playwright install --with-deps". Could we accelerate this using a microsoft/playwright based image, similar to what is done here?

[Khoyo]

A bit outside the scope of this pr, but I noticed that the CI seems to spend a lot of time installing playwright deps with "npx playwright install --with-deps". Could we accelerate this using a microsoft/playwright based image, similar to what is done here?

Potentially. A lot of the time is network transfer though, so it might not be much faster. Do you want to do it?

[Synar]

Sure. We can even reuse Dockerfile.playwright wholesale right? I'll do this in another PR though