[Scons-dev] tools and testing

[Bill Deegan]

Would it be possible to mock the dub tool for a unit test?
(Or even for a E2E test?)


On Tue, Apr 18, 2017 at 8:13 PM, Russel Winder <russel at winder.org.uk> wrote:

> On Tue, 2017-04-18 at 09:24 -0700, Bill Deegan wrote:
> > Unitesting is there to make sure that no unintention breakage occurs.
> > I'm not willing to take a major piece of code into SCons core without
> > tests.
> >
> > That would violate SCons's practices.
>
> Excellent position, I have no problems with that. For tools I think the
> end-to-end tests are essential, and the SCons test framework very
> usable.
>
> The question is though that if the _Library type is not exposed is
> there actually a test obligation if all the publicly exposed things
> (the builders) are exercised by end-to-end tests.
>
> Having said this I am still working on a test for fetching a package
> from a local area and installing on a local area so it fits in the test
> framework, but it doesn't really emulate what happens in a real case,
> so it is not clear to me what is actually being tested, and whether the
> test is actually useful. My worry is that such a test simply tests
> whether Dub does what it says it does, which is nothing to do with
> SCons and the dub tool per se.
>
> On the other hand there are now function in the dub tool that could use
> a bit of testing for confidence sake. I am trying to work out how best
> to do that with an end to end perspective.
>
> --
> Russel.
> ============================================================
> =================
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