In order to run a test in LayoutTests/imported/w3c/web-platform-tests outside of run-webkit-tests you need to follow the instructions in <http://trac.webkit.org/browser/trunk/LayoutTests/imported/w3c/web-platform-tests/README.md?rev=191043> to start the Web Platform Tests HTTP server. Although these instructions are straightforward it is less convenient to start the Web Platform Tests HTTP server than it is to run script run-webkit-httpd to start a HTTP server to serve the HTTP tests in LayoutTests/http/tests/. We should consider teaching run-webkit-httpd to start the Web Platform Tests server.
For completeness, run-webkit-tests knows how to start the Web Platform Tests HTTP server as part of its logic to run the Web Platform Tests. We should look to start up the Web Platform Tests in a similar manner as run-webkit-tests or, even better, look to have run-webkit-tests use run-webkit-httpd to start up all HTTP servers.
Note that the wpt submodules are not checked in WebKit repository.
The README.md instructions will be successful only when these submodules are present.
Tools/Scripts/webkitpy/layout_tests/servers/web_platform_test_server.py may be more appropriate.
It first installs (if not already done previously) these submodules (which description is found in LayoutTests/imported/w3c/resources/web-platform-tests-modules.json) on the local file system.
It then starts the wpt server using a specific configuration (stored in LayoutTests/imported/w3c/resources/config.json).
Created attachment 282641 [details]
(In reply to comment #2)
> Created attachment 282641 [details]
This patch updates run-webkit-httpd to start or not web-platform-tests server in addition to httpd.
I guess the run-webkit-httpd should be renamed.
Comment on attachment 282641 [details]
Clearing flags on attachment: 282641
Committed r202780: <http://trac.webkit.org/changeset/202780>
All reviewed patches have been landed. Closing bug.