Re: [blink-dev] Question : How to create *-expected.png for blink_web_tests

[Jihwan Kim]

Really really thanks!
have  a good day :)

2022년 3월 14일 월요일 오후 11시 0분 24초 UTC+9에 Xianzhu Wang님이 작성:

>
>    - blink_tool.py rebaseline-cl: can rebaseline for all platforms.
>    - run_web_tests.py --reset-results: can rebaseline for your current 
>    platform, or if the baseline is not platform-dependent.
>    - rebaseline script in results.html: can rebaseline for a particular 
>    platform (which can be different from your current platform) at a time, or 
>    if the baseline is not platform-dependent.
>
> See the how-to-rebaseline  
> <https://chromium.googlesource.com/chromium/src/+/HEAD/docs/testing/web_test_expectations.md#How-to-rebaseline>document
>  
> for more details about the above options.
>
> On Mon, Mar 14, 2022 at 9:01 PM Jihwan Kim <bluewha...@gmail.com> wrote:
>
>> Thanks for help!
>>
>> I have one more question.
>> There are 3 platforms on WPT. (Linux, Mac, Windows)
>> In this case, to create new *-expected.png, should I have all these three 
>> devices?
>>
>> 2022년 3월 14일 월요일 오후 4시 41분 30초 UTC+9에 Xianzhu Wang님이 작성:
>>
>>> See also: 
>>> https://chromium.googlesource.com/chromium/src/+/HEAD/docs/testing/web_test_expectations.md#How-to-rebaseline
>>>  
>>> for other options.
>>>
>>> On Mon, Mar 14, 2022 at 3:32 PM 'Mathias Bynens' via blink-dev <
>>> blin...@chromium.org> wrote:
>>>
>>>> Use --reset-results: 
>>>> https://chromium.googlesource.com/chromium/src/+/HEAD/docs/testing/web_tests.md#test-harness-options
>>>>
>>>> On Mon, Mar 14, 2022 at 7:39 AM Jihwan Kim <bluewha...@gmail.com> 
>>>> wrote:
>>>>
>>>>> I'm fixing issue with pickers, but some tests failed.
>>>>> It was a failure due to image diff.
>>>>>
>>>>> Since the resource (css) file is modified, it is correct that the 
>>>>> image diff appears,
>>>>> So I have to modify the some *-expected.png files.
>>>>> (ex: datetimelocal-month-year-selector-expected.png)
>>>>>
>>>>> And my question is - 
>>>>> Are there any rules or tools to create *-expected.png?
>>>>> or is it manual work (crop after screen capture, etc.)?
>>>>>
>>>>> This is my first time about an image comparison test,
>>>>> so please understand even if the question is too basic.
>>>>>
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>>>>> .
>>>>>
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>>>>
>>>

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