Gregory Szorc wrote on 07/15/2014 09:04 PM:

> On 7/15/14, 11:49 AM, Dave Townsend wrote:
>> Since forever Jetpack tests in the Firefox trees have been run using our
>> custom python CFX tool which is based on a fork of an ancient version of
>> mozrunner. This causes us a number of problems. Keeping up with tree
>> visibility rules is hard. Some features from newer versions of mozrunner
>> like crash stack handling aren't available and our attempts to update to
>> the newer mozbase have been blocked on trying to get some of our forked
>> code accepted. It also makes it hard for Mozilla other developers to run
>> our tests as CFX has a very different syntax to the other test suites.
>>
>> We've started investigating switching away from CFX and instead using the
>> python automation that the mochitests use. This would work somewhat
>> similarly to browser-chrome tests, runtests.py will startup Firefox and
>> overlay some XUL and JS on the main window from where we can run the
>> existing JS parts of the Jetpack test suites.
>>
>> There are many benefits here. The runtests.py code is well used and known
>> to be resilient. It supports things like screenshots on failures and crash
>> stacks that Jetpack tests don't currently handle. We'll use manifest files
>> like the other test suites so disabling tests per platform will be easy.
>> Excellent mach integration will make running individual tests simple. It
>> also makes it possible to use commonjs style tests elsewhere in the tree.
>> Release engineering should find managing the Jetpack tests a lot easier as
>> they behave just like other mochitests.
>>
>> My initial experiment last week shows that this will work. The first part
>> of our tests (package tests) is running and passing on my local machine and
>> I expect to have the add-on tests working this week.
>>
>> I wanted to give everyone a heads up about this work to give you all a
>> chance to ask questions or raise objections. The changes to runtests and
>> the build system are minimal, just adding support for new manifest types
>> really but I will be needing reviews for those. We'll also have to make the
>> buildbot changes to switch over to use these new tests but I expect that to
>> be pretty straightforward.
> 
> Was Marionette considered? From what little I know (jgriffin and others 
> can correct me), Marionette seems like the logical base for this test suite.

Adding the tools mailing list, so that members of the A-team are aware
of this thread, and can answer appropriately.

-- 
Henrik Skupin
Senior Test Engineer
Mozilla Corporation
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