On Mon, Oct 3, 2011 at 7:16 AM, Axel Rauschmayer <[email protected]> wrote:
> > I'm curious to know why unit-testing is the motivation. In most cases, > encapsulation should never be broken for sake of exercising a public api. > Private data and methods should do their work while the public api bears the > results of the complete logic set, ie. the public api should fail its tests > if the private data and methods are not behaving correctly. > > Ideally, yes. However, I occasionally write private helpers that I would > like to test. > Exactly. It's a matter of domains -- it may be easier to prove sound the constituent components of a composition than to exercise the composition's full range. This is completely orthogonal to issues of encapsulation.
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