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fix(wdio-xvfb): autoXvfb should disable xvfb completely#14700

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christian-bromann merged 47 commits intowebdriverio:mainfrom
goosewobbler:fix-xvfb-toggle
Aug 24, 2025
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fix(wdio-xvfb): autoXvfb should disable xvfb completely#14700
christian-bromann merged 47 commits intowebdriverio:mainfrom
goosewobbler:fix-xvfb-toggle

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@goosewobbler goosewobbler commented Aug 12, 2025

Proposed changes

Following up from #14698, we have an issue with the xvfb feature in that when autoXvfb is disabled and xvfb is available, xvfb is still used to wrap the WDIO testrunner process, which is not the intended behaviour.

Additional changes:

  • CI detection no longer used as CI is too broad a signal for enabling xvfb. Many CI jobs provide a valid DISPLAY or a custom X server/WM. Using isCI forces xvfb even when not needed, which may break these setups.
  • Reworked xvfbAutoInstall option to cover sudo issues raised in [🐛 Bug]: Undocumented dependency on "sudo" #14701
  • Custom install command to cover esoteric install requirements
  • Types improvements
  • Website page under Testrunner documenting WDIO options around headless testing and xvfb.

Types of changes

  • Polish (an improvement for an existing feature)
  • Bugfix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Documentation update (improvements to the project's docs)
  • Specification changes (updates to WebDriver command specifications)
  • Internal updates (everything related to internal scripts, governance documentation and CI files)

Checklist

  • I have read the CONTRIBUTING doc
  • I have added tests that prove my fix is effective or that my feature works
  • I have added the necessary documentation (if appropriate)
  • I have added proper type definitions for new commands (if appropriate)

Backport Request

//: # (The current main branch is the development branch for WebdriverIO v9. If your change should be released to the current major version of WebdriverIO (v8), please raise another PR with the same changes against the v8 branch.)

  • This change is solely for v9 and doesn't need to be back-ported
  • Back-ported PR at #XXXXX

Further comments

Reviewers: @webdriverio/project-committers

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commit: 1d969ce

@christian-bromann
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@goosewobbler thanks for the patch, are you working on the failing CI pipelines?

@goosewobbler
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@christian-bromann Yes, in progress. I'm doing the sudo improvements first

@goosewobbler goosewobbler force-pushed the fix-xvfb-toggle branch 3 times, most recently from fd01cd7 to 9510711 Compare August 20, 2025 02:11
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@erwinheitzman erwinheitzman left a comment

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I haven't been able to finish the review yet so I'll continue another time but at least you have some feedback 👍

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LGTM 👍

@christian-bromann christian-bromann added the PR: Bug Fix 🐛 PRs that contain bug fixes label Aug 24, 2025
@christian-bromann christian-bromann merged commit 3ac2341 into webdriverio:main Aug 24, 2025
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