Re: [webkit-dev] Upstreaming from LayoutTests to web-platform-tests, coordinating Blink+WebKit

2017-11-16 Thread Alexey Proskuryakov

Migrating WebKit tests seems undesirable to me, as that would make us lose all 
their modification history. As mentioned before, WPT tests are inherently 
getting less attention in CI support, largely because of unclear benefit when 
there isn't any history for why the particular test was added.

Regression tests are taking an excessive amount of time to run for us (more 
than 1.5 hours in a debug build), a very large proportion of which is WPT. I do 
not think that the strategy of adopting WPT tests is working well for WebKit.

- Alexey


> 15 нояб. 2017 г., в 2:02, Philip Jägenstedt  написал(а):
> 
> Hello webkit-dev! (ecosystem-infra in Bcc)
> 
> TPAC was last week, and there was much talk about web-platform-tests. Some 
> notes are at 
> https://lists.w3.org/Archives/Public/public-test-infra/2017OctDec/thread.html 
> 
>  and in particular https://www.w3.org/2017/11/07-testing-minutes.html 
> .
> 
> In Blink, we're thinking seriously about what it'd take to upstream large 
> parts of LayoutTests into web-platform-tests, and we've realized that there 
> are some risks here, beyond just making sure the tests are good and per spec. 
> Specifically, one bad outcome would be if Blink successfully upstreamed 
> thousands of tests that are also in WebKit, which then begin to diverge in 
> small and large ways. That'd leave WebKit with more duplication between its 
> own tests and web-platform-tests than any other engine, and a headache that 
> grows over time.
> 
> So, I think this would require close cooperation with the WebKit project. 
> Some different ways this might happen:
> A Blink developer and WebKit developer work together at the same time to move 
> their common tests in some area into web-platform-tests, each removing 
> identical tests that were upstreamed by the other and consolidating what 
> remains.
> A Blink developer works to first upstream tests from WebKit (using WebKit's 
> coming export mechanism), waits for it to be imported into Blink, and then 
> removes the tests from Blink.
> The reverse situation.
> 
> Are there already some areas where the first approach might be doable, where 
> the Blink and WebKit folks already know each other and are eager to do this? 
> Is LayoutTests/css3/flexbox/ by any chance such a case?
> 
> I realize it's hard to judge these approaches in the abstract, but am curious 
> to hear any enthusiasm or concerns about it.
> 
> Thanks!
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[webkit-dev] Visual Viewport API

2017-11-16 Thread Ali Juma
Hello webkit-dev,

I've started working on implementing the Visual Viewport API. This API
exposes properties of the visual viewport (the viewport that's affected by
pinch-zoom).

Spec:
https://wicg.github.io/visual-viewport/

Tracking bug:
https://bugs.webkit.org/show_bug.cgi?id=170982

Thanks,
Ali
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Re: [webkit-dev] trac.webkit.org planned maintenance

2017-11-16 Thread Ling Ho
Maintenance of trac.webkit.org is complete. Please email 
ad...@webkit.org if you encounter any issue.


Thanks,
...
Ling Ho
WebKit Operations

On 11/15/17 1:12 PM, Ling Ho wrote:

Hello WebKit developers,

We are bringing down trac.webkit.org on Wednesday starting 10pm (PST) 
for a scheduled maintenance.


The outage will last between 1-2 hours.

I will send out another email once it is back up.

Thanks,
...
Ling Ho
WebKit Operations
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