On Mon, Feb 12, 2018, at 6:43 PM, youenn fablet wrote:
> Hi Zan,
> I like the idea of using WebDriver for WPT conformance testing.
> Such results will probably be more meaningful for conformance than what WTR 
> or DRT could produce.
> For WPT regression testing, we would stick to using WTR/DRT and internals 
> methods instead of WebDriver, am I right?
>    y

Correct, this isn't meant as a replacement for WPT regression testing, but at 
some point in the future WebKit developers might agree that it can properly 
replace it.

But as it stands, I'm only selling it as a conformance testing process that 
produces information that (in case of current failures or future regressions) 
nudges WebKit towards conformance compliance.

> Le lun. 12 févr. 2018 à 07:08, <z...@falconsigh.net> a écrit :
>> Hi,
>>  the web-platform-tests repository includes tooling that enables running 
>> those tests against a supported browser product. I'd like to propose adding 
>> generic WebKit support there.
>>  Current changes only assume usage of the WebDriver protocol, and the 
>> WebDriver binary accepting the --port flag. Selenium executors are used for 
>> test harness and reftests. Same WebDriver implementation can also be tested 
>> against the WebDriver tests included in the web-platform-tests directory, 
>> presuming the tests are enabled or explicitly specified.
>>  Only port-specific bit is the specification of capabilities that are passed 
>> to the WebDriver binary, idea being that these capabilities are the same as 
>> those supported by the WebDriver implementation.
>>  GTK is for now the only port that's supported, and it's leveraging the 
>> WebDriver implementation under Source/WebDriver/ in WebKit. WPE will be 
>> doing the same. Safari I suppose could use its own WebDriver implementation, 
>> or perhaps even a separate product.
>>  Here's the current set of changes:
>> https://github.com/zdobersek/web-platform-tests/commit/c2ee920876ca6df7c4739feb8a6e03c77dffdb7f
>>  The web-platform-tests suite can then be run like this for the GTK port, 
>> assuming a tip-of-trunk build:
>>  $ /work/web-platform-tests/wpt run --webkit-port=gtk \
>>      --webdriver-binary=WebKitBuild/Release/bin/WebKitWebDriver \
>>      --binary=WebKitBuild/Release/bin/MiniBrowser \
>>      --binary-arg=--automation \
>>      --binary-arg=--javascript-can-open-windows-automatically=true \
>>      --binary-arg=--enable-xss-auditor=false \
>>      webkit /2dcontext
>>  This can be further wrapped into a python script and run as part of the 
>> continuous integration system. These changes add a run-web-platform-tests 
>> script that invokes the web-platform-tests runner tool, also allowing each 
>> port to specify what tests to enable and what the expected failures are:
>> https://github.com/Igalia/webkit/commit/df1aeeb9476c6dd220067f4fc3c6ad69a8f948ba
>>  Only a small subset of tests is enabled there, for prototype purposes. The 
>> expected results system could also be improved to avoid each expected 
>> failure having to be marked as such in separate .ini files.
>>  But foremost, I'd like to have a consensus of sorts about how various 
>> WebKit ports should be handled in the web-platform-tests repository, so that 
>> the changes there can proceed -- whether it's fine to implement a generic 
>> WebKit product, or whether Safari would like to be treated as a separate 
>> browser[1], etc.
>>  Regards,
>>  Zan
>>  [1] There's for instance this from a year ago (though not sure about its 
>> functionality):
>>  https://github.com/w3c/web-platform-tests/tree/wptrunner-safari
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