7660 Avoid CI stability checks timing out (#32202)

* allow stability checks to avoid TC timeout by checking times in between repeat runs

* fix flake8 issue

* remove empty flag to trigger stability checks

* some commenting explaining how iterations are being tracked

* add --repeat-max-time flag

* better descriptors for announcing results

If the repeat runs stop early to avoid, timeout, a message will be written in the results explaining so.

* cast max_time to timedelta

* correct syntax for kwargs

* specify kwargs source for run_test_iteration

* remove empty css flags tag to trigger stability checks

* Add clause to handle an ineffective number of iterations completing

* replace unassociated change used to trigger stability checks

* Implement changes suggested by @stephenmcgruer

* Add only necessary formatting changes to stability

* wptrunner reformatting changes suggested by @jgraham

* functional changes to stability tests suggested by @jgraham

* flake8 changes "line break before binary operator"

* change run_tests to return counts object

* ensure run_tests return values are properly accessed

Now that wptrunner's run_tests returns more than 1 value, the return type will be a tuple for the older variables that expect only 1 value. We need to ensure that we pull the expected first value (boolean) out of that tuple.

* run_tests has consistent return values even in fail cases

wptrunner's run_tests would return a tuple only if not issues arose while running, and would return only a boolean in the case of some expected issue. Now a tuple is returned in all instances as expected.

* Return full counts in TestStatus class

run_tests will now return a new TestStatus object rather than returning only the number of iterations run. This will allow for more robust statistics to be shown in the future.

* small formatting changes

reducing some comments and logs to taking less vertical space.

* small wording change

TestStatus docstring

* Replace counts with TestStatus object

forego the use of defaultdict counts keeping track of test info/results and instead use the custom class TestStatus.

* convert some log strings to f-strings
3 files changed
tree: 72d400bf364a39f223f29552441f9d80e75bfdb4
  1. .github/
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  3. accelerometer/
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  8. animation-worklet/
  9. annotation-model/
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  20. beacon/
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  24. clipboard-apis/
  25. common/
  26. compat/
  27. compression/
  28. compute-pressure/
  29. conformance-checkers/
  30. console/
  31. contacts/
  32. content-dpr/
  33. content-index/
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  35. contenteditable/
  36. cookie-store/
  37. cookies/
  38. core-aam/
  39. cors/
  40. credential-management/
  41. css/
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  43. custom-state-pseudo-class/
  44. delegated-ink/
  45. density-size-correction/
  46. deprecation-reporting/
  47. device-memory/
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  51. dom/
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  56. editing/
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  58. encoding/
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  63. eventsource/
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  66. fetch/
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  78. graphics-aam/
  79. gyroscope/
  80. hr-time/
  81. html/
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  86. images/
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  88. IndexedDB/
  89. inert/
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  93. installedapp/
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  145. permissions/
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  148. permissions-revoke/
  149. picture-in-picture/
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  152. portals/
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  155. priority-hints/
  156. private-click-measurement/
  157. proximity/
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  159. quirks/
  160. referrer-policy/
  161. remote-playback/
  162. reporting/
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  164. resize-observer/
  165. resource-timing/
  166. resources/
  167. sanitizer-api/
  168. savedata/
  169. scheduler/
  170. screen-capture/
  171. screen-orientation/
  172. screen-wake-lock/
  173. screen_enumeration/
  174. scroll-animations/
  175. scroll-to-text-fragment/
  176. secure-contexts/
  177. secure-payment-confirmation/
  178. selection/
  179. serial/
  180. server-timing/
  181. service-workers/
  182. shadow-dom/
  183. shape-detection/
  184. signed-exchange/
  185. speculation-rules/
  186. speech-api/
  187. storage/
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  189. streams/
  190. subresource-integrity/
  191. svg/
  192. svg-aam/
  193. timing-entrytypes-registry/
  194. tools/
  195. touch-events/
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  198. ua-client-hints/
  199. uievents/
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  201. url/
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  203. user-timing/
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  208. wai-aria/
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  211. web-bundle/
  212. web-locks/
  213. web-nfc/
  214. web-otp/
  215. web-share/
  216. webaudio/
  217. webauthn/
  218. webcodecs/
  219. WebCryptoAPI/
  220. webdriver/
  221. webgl/
  222. webgpu/
  223. webhid/
  224. webidl/
  225. webmessaging/
  226. webmidi/
  227. webnn/
  228. webrtc/
  229. webrtc-encoded-transform/
  230. webrtc-extensions/
  231. webrtc-ice/
  232. webrtc-identity/
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  234. webrtc-stats/
  235. webrtc-svc/
  236. websockets/
  237. webstorage/
  238. webtransport/
  239. webusb/
  240. webvr/
  241. webvtt/
  242. webxr/
  243. workers/
  244. worklets/
  245. x-frame-options/
  246. xhr/
  247. xslt/
  248. .azure-pipelines.yml
  249. .gitattributes
  250. .gitignore
  251. .mailmap
  252. .taskcluster.yml
  253. CODE_OF_CONDUCT.md
  254. CODEOWNERS
  255. CONTRIBUTING.md
  256. LICENSE.md
  257. lint.ignore
  258. README.md
  259. testharness_runner.html
  260. wpt
  261. wpt.py
README.md

The web-platform-tests Project

Taskcluster CI Status documentation manifest Python 3

The web-platform-tests Project is a cross-browser test suite for the Web-platform stack. Writing tests in a way that allows them to be run in all browsers gives browser projects confidence that they are shipping software that is compatible with other implementations, and that later implementations will be compatible with their implementations. This in turn gives Web authors/developers confidence that they can actually rely on the Web platform to deliver on the promise of working across browsers and devices without needing extra layers of abstraction to paper over the gaps left by specification editors and implementors.

The most important sources of information and activity are:

  • github.com/web-platform-tests/wpt: the canonical location of the project's source code revision history and the discussion forum for changes to the code
  • web-platform-tests.org: the documentation website; details how to set up the project, how to write tests, how to give and receive peer review, how to serve as an administrator, and more
  • wpt.live: a public deployment of the test suite, allowing anyone to run the tests by visiting from an Internet-enabled browser of their choice
  • wpt.fyi: an archive of test results collected from an array of web browsers on a regular basis
  • Real-time chat room: the wpt:matrix.org matrix channel; includes participants located around the world, but busiest during the European working day.
  • Mailing list: a public and low-traffic discussion list
  • RFCs: a repo for requesting comments on substantial changes that would impact other stakeholders or users; people who work on WPT infra are encouraged to watch the repo.

If you'd like clarification about anything, don't hesitate to ask in the chat room or on the mailing list.

Setting Up the Repo

Clone or otherwise get https://github.com/web-platform-tests/wpt.

Note: because of the frequent creation and deletion of branches in this repo, it is recommended to “prune” stale branches when fetching updates, i.e. use git pull --prune (or git fetch -p && git merge).

Running the Tests

See the documentation website and in particular the system setup for running tests locally.

Command Line Tools

The wpt command provides a frontend to a variety of tools for working with and running web-platform-tests. Some of the most useful commands are:

  • wpt serve - For starting the wpt http server
  • wpt run - For running tests in a browser
  • wpt lint - For running the lint against all tests
  • wpt manifest - For updating or generating a MANIFEST.json test manifest
  • wpt install - For installing the latest release of a browser or webdriver server on the local machine.
  • wpt serve-wave - For starting the wpt http server and the WAVE test runner. For more details on how to use the WAVE test runner see the documentation.

Windows Notes

On Windows wpt commands must be prefixed with python or the path to the python binary (if python is not in your %PATH%).

python wpt [command]

Alternatively, you may also use Bash on Ubuntu on Windows in the Windows 10 Anniversary Update build, then access your windows partition from there to launch wpt commands.

Please make sure git and your text editor do not automatically convert line endings, as it will cause lint errors. For git, please set git config core.autocrlf false in your working tree.

Publication

The master branch is automatically synced to wpt.live and w3c-test.org.

Contributing

Save the Web, Write Some Tests!

Absolutely everyone is welcome to contribute to test development. No test is too small or too simple, especially if it corresponds to something for which you've noted an interoperability bug in a browser.

The way to contribute is just as usual:

  • Fork this repository (and make sure you're still relatively in sync with it if you forked a while ago).
  • Create a branch for your changes: git checkout -b topic.
  • Make your changes.
  • Run ./wpt lint as described above.
  • Commit locally and push that to your repo.
  • Create a pull request based on the above.

Issues with web-platform-tests

If you spot an issue with a test and are not comfortable providing a pull request per above to fix it, please file a new issue. Thank you!