[hibernate-dev] replace Pax Exam with Docker

[Steve Ebersole]

Personally I have had problems with Arquillian in the past.  It was either
setting up CDI tests or setting up OSGi tests (or maybe both).

I am open to any suggestions that make this less brittle or easier to work
with

On Fri, Jan 12, 2018 at 5:34 AM Sanne Grinovero <sanne at hibernate.org> wrote:

> +1 to explore alternatives to Pax Exam, but I'd be wary of maintining
> our own test infrastructure.
>
> Pax Exam was just "helping" to deploy/run things in Karaf, so I can't
> imagine using Karaf without the helpers being a walk in the park; e.g.
> having to deal with HTTP operations comes with its own baggage
> {dependencies, complexity, speed, .. } and generally more stuff to
> maintain.
>
> So.. +1 to try out Arquillian or anything else. Or maybe you could
> start your own tool, but I'd prefer to see it in a separate repository
> :) e.g. a nice Gradle plugin so maybe you get more people helping?
>
> Also: considered contributing to Pax? My personal experience with it
> has always been a pain but if I had to try identify the reason, it was
> mostly caused by me being unfamiliar with Karaf and not having good
> clues to track down the real failure; maybe some minor error reporting
> improvements could make a big difference to its usability? Just
> saying, I don't feel like Pax is bad, but it seems their developers
> really expect their users to be deeply familiar with it all - feels
> like the typical case in which they could use some feedback and a
> hand.
>
> Thanks,
> Sanne
>
> On 12 January 2018 at 08:22, Gunnar Morling <gunnar at hibernate.org> wrote:
> > Hi Brett,
> >
> > We also had our fair share of frustration with Pax Exam in HV, and I was
> > (more than once) at the point of dropping it.
> >
> > Docker could work, but as you say it's a bit of a heavy dependency, if
> not
> > required anyways. Not sure whether I'd like to add this as a prerequisite
> > for the HV build to be executed. And tests in separate profiles tend to
> be
> > "forgotten" in my experience.
> >
> > One other approach could be to use Arquillian's OSGi support (see
> > https://github.com/arquillian/arquillian-container-osgi), did you
> consider
> > to use that one as an alternative?
> >
> > Cheers,
> >
> > --Gunnar
> >
> >
> > 2018-01-12 3:34 GMT+01:00 Brett Meyer <brett at hibernate.org>:
> >
> >> <tired-rant>
> >>
> >> I'm fed up with Pax Exam and would love to replace it as the
> >> hibernate-osgi integration test harness.  Most of the Karaf committers
> >> I've been working with hate it more than I do.  Every single time we
> >> upgrade the Karaf version, something less-than-minor in hibernate-osgi,
> >> upgrade/change dependencies, or attempt to upgrade Pax Exam itself,
> >> there's some new obfuscated failure.  And no matter how much I pray, it
> >> refuses to let us get to the container logs to figure out what
> >> happened.  Tis a house of cards.
> >>
> >> </tired-rant>
> >>
> >> One alternative that recently came up elsewhere: use Docker to bootstrap
> >> the container, hit it with our features.xml, install a test bundle that
> >> exposes functionality externally (over HTTP, Karaf commands, etc), then
> >> hit the endpoints and run assertions.
> >>
> >> Pros: true "integration test", plain vanilla Karaf, direct access to all
> >> logs, easier to eventually support and test other containers.
> >>
> >> Cons: Need Docker installed for local test runs, probably safer to
> >> isolate the integration test behind a disabled-by-default Maven profile.
> >>
> >> Any gut reactions?
> >>
> >> OSGi is fun and I'm not at all bitter,
> >>
> >> -Brett-
> >>
> >> ;)
> >>
> >>
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