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Re: [jakartaee-platform-dev] TCK tests in the same repo as API and Spec

This has been discussed numerous times over the last 3 years.  No one disagrees with the goal of splitting up the TCK repo.  Whether the individual spec TCKs are in the same repo as the API classes or in a different repo is just a detail.  The challenge is in splitting up the existing TCK repo such that the resulting TCK for each spec is functionally identical to the existing standalone TCKs for the specs, and that the platform TCK is somehow created by combining all the individual TCKs to produce a new platform TCK that is functionally identical to the existing platform TCK.

Needless to say, this is not a small job.

No one with deep knowledge of the existing TCKs has come forward with a detailed plan for how to achieve the above.  Without that, we're all just wishing and hoping.

And I strongly encourage you to not just start hacking on the TCK to create what you want for your spec.  We need to solve the larger problem and a bunch of uncoordinated hacks to individual TCKs will not get us there.


P.S.  You should be able to find some of the previous history of this discussion in the jakartaee-tck-dev mailing list.

Andy Guibert wrote on 1/30/20 10:45 AM:
Hi all,

Currently all of the Jakarta EE TCK tests are housed in one big repo and they use a custom test framework from the Java EE days:

 It is more convenient to have the TCK tests in the same repo as the API and spec docs because as the technologies change over time all 3 parts (tck/api/spec) can be updated in the same PR. Additionally, implementations can then consume the TCK tests as Maven artifacts and run/verify that they pass the TCK. This is what MicroProfile has done and it works very well.

As an example, I've started this off with the JSON-B TCK test here:

Just wanted to share this with the wider dev community and encourage other specs to follow suit as time permits.

Cheers, Andy
-- IBM

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