[Bioc-devel] testthat instructions for website

[Michael Lawrence]

On Fri, Mar 13, 2015 at 6:06 PM, Michael Love <michaelisaiahlove at gmail.com>
wrote:

> hi Bioc team,
>
> Can we add some testthat instructions to the unit testing page:
>
> http://bioconductor.org/developers/how-to/unitTesting-guidelines/
>
> I presume the instructions would be simply to follow the basic
> testthat instructions, e.g.:
>
> https://github.com/hadley/testthat/blob/master/README.md
> http://r-pkgs.had.co.nz/tests.html
>
> ...add testthat to Suggests, put tests in files starting with 'test'
> inside tests/testthat/ and write a file tests/testthat.R with specific
> code in it. I think this is what the packages here are all doing:
>
> http://bioconductor.org/help/search/index.html?q=testthat
>
> best,
>
> Mike
>
> ~~~~ end of request, details continue below ~~~~
>
> My reasons for wanting that Bioconductor support testthat in addition
> to RUnit is that RUnit does not make it very simple to run all tests,
> which should be a very simple thing to do.
>
> With testthat, this is simply a call to test() which lives in
> devtools. With RUnit you have to do:
>
> runTestSuite(defineTestSuite("myTest", "inst/unitTests/","test_"))
>
> Although that's not quite enough. That will not run the same test as
> Bioconductor, or as if you ran the code in the test files in your
> console, because defineTestSuite picks rngKind =
> "Marsaglia-Multicarry" and rngNormalKind = "Kinderman-Ramage", which
> are not the current R default random number generators.
>
> So then you have to do:
>
> runTestSuite(defineTestSuite("myTest", "inst/unitTests/","test_",
> rngKind = "default", rngNormalKind = "default"))
>
> Or you could call BiocGenerics:::testPackage(), but we probably all
> agree it's better that unit testing have a documented, exported
> function.
>
>
It's probably past time that we export/document that function. Or perhaps
even contribute it back to RUnit.


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