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Re: [libvirt] RFC: Move tests into same directory as the sources



On 01/21/2014 01:26 PM, Daniel P. Berrange wrote:
> Currently we have a split with all the "source" code under various
> subdirectories of src/, while the test cases are (mostly) all under
> the tests/ directory. I think there could be some benefits to moving
> the test files to be alongside the source files being tested.
> eg instead of tests/virhashtest.c  have src/util/virhashtest.c
>
> The tests/ directory is getting reasonably large, and is likely to
> grow even more as we push for greater unit tests. We could split it
> up into various sub-directories mirroring the split of dirs under
> src/, but it seems easier to put have them directory under src/ and
> remove the arbitrary split of source and tests.
>
> Having the test files alongside the source files makes it obvious
> to anyone looking in a directory that tests exist for a file. This
> might encourage people to think about adding tests when changing
> a source file. It also makes it more slightly obvious which files
> lack proper tests.
>
> In essence I'm suggesting that our code file naming should be thus
>
>    virfoo.h  - exports of module foo for general internal usage
>    virfoo.c  - implementation of module foo
>    virfoopriv.h - exports of module foo for test suite usage only
>    virfootest.c - implementation of tests for module foo
>    virfoomock.c - implementation of LD_PRELOAD hack for module foo tests

Having things organized both in smaller chunks and with the test more
closely related to the source does seem like a good idea.

If there will be multiple test source files in a directory, perhaps we
could have a "test" subdirectory for each source directory? And then of
course there are the tests that exercise some lower level function at a
higher level (e.g. the xml2argv tests, which are exercising stuff in
both /conf and /qemu etc).


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