New features should have unit tests
johan.tibell at gmail.com
Tue Feb 10 20:14:01 UTC 2015
Lately it's become more and more clear to me that we cannot release (or
work) on cabal effectively without often breaking previously working
features. Cabal is a big project by now and has a large surface area, both
in terms of features and in terms of systems (e.g. compilers, OSes, etc) it
On top of that, Cabal, being a glorified system for doing command line I/O,
gets less support from the type system than your average Haskell program.
I strongly suggest that future feature additions come with unit tests,
preferable of the fast kind in Cabal/tests/UnitTests.hs but at the very
least of the kind in Cabal/tests/PackageTests (and similarly for
cabal-install). We also need to spend some time adding tests for existing
features. A good start would be to look at the regressions we saw in 1.22
and writing test cases for those.
-- Johan, release manager
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