[webkit-dev] WebKit unit test framework

Sam Weinig weinig at apple.com
Wed Apr 20 16:01:38 PDT 2011

I am really not an expert on testing frameworks, and just put together something that met my needs (as has been the tradition in this project).  That said, the only features I like about TestWebKitAPI is that I know how it works and can hack 
it to do what I want, and that it has the ability to run each test in its own invocation (I also like the color output from the tests, because it's is in color!) 

So, my questions for people who have used gtest is, "Is it hackable?" What kind of changes have you had success making? Is a death test as scary as it sounds?


On Apr 18, 2011, at 11:36 AM, David Levin wrote:

> Issue: There has been a long standing bug to add unit tests to WebKit (https://bugs.webkit.org/show_bug.cgi?id=21010). It was also mentioned on webkit-dev that it would be helpful in various cases.
> Landscape: Surveying WebKit, it is looks like there are at least three testing frameworks being used: TestWebKitAPI/WebKitAPITest (in Tools), QTest, gtest (in Source/WebKit/chromium/). However, only one TestWebKitAPI has been used so far (as far as I can tell) for testing core WebKit items like WTF (though I was unaware of TestWebKitAPI until Friday).
> It seems like a good way to think about the issue of which to use in general in WebKit would be to decide on what would be desired in our framework and then see how each matches up.
> Here's my take on this. (It may be biased toward what I am familiar with but I welcome others to add their own criteria.) 
> Criteria
> Musts:
> Compatible license with WebKit
> Builds/Can be built on the many platforms and build systems supported by WebKit (ideally without extra installs).
> Useful:
> Easy to write tests
> Hackable to suit our needs
> Well tested features (to support hackability/stability)
> Supports filtering of tests so you can run just the test you care about (and easily listing the tests).
> Supports writing out values when there is test failure. (For example, if the is verifying that A == B but that is not true, then the values of A and B should be printed.)
> Well documented
> thanks,
> dave
> _______________________________________________
> webkit-dev mailing list
> webkit-dev at lists.webkit.org
> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev

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