Re: Rework runner concept / intellij or eclipse formatter file?

I think part of the issue is that some people have used runners where rules
would do...

IMHO where a runner makes "sense" is in things like @Theory which mutate
the one-to-one mapping between test methods and tests.

Similarly for data driven tests, etc.

To my mind, a runner should be used for those cases where a single test
method gets reused multiple times, or perhaps where test sequencing is
being applied (though a unit test anti pattern)

As such the runner should actually be a meta annotation on the test
indicator annotation and applying it to the test class is an anti pattern
applied as a short cut to annotation scanning to identify test indicator
annotations and their corresponding runner meta-annotations.

The "injection" use case of test runners should be easy to implement as
@Rule which just leaves rule sequencing to be ensured as deterministic.

My €0.02

On Friday, 28 June 2013, Henning Groß wrote:

> I think the runner concept is one of the bigger flaws in junit. If you want
> a certain behaviour you need to use a specific runner. Often you will want
> more than just one behaviour. For example you may want the spring runner
> with junit and jparams behaviour. Sometimes you will find a way to makr
> that work. Sometimes you just dont. A rework of the runner-concept,
> introducing something like a chain for the behaviour-part would be a good
> idea, i guess. This could either be achieved by introducing a runner that
> does the work or by introducing this concept deeper into the framework. How
> are your thoughts on this? It could only work well when introduced to junit
> and the old concept would get marked deprecated as this makes
> runner-providers like spring migrate to the new concept. I would be willing
> to give it a try and implement this if you think its a good idea. Another
> thing: anyone got junit formatter file?
> Regards, Henning
>
>
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-- 
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