The test case folding stuff in RackUnit should mostly be ignored, instead of extended.
On Saturday, May 23, 2020 at 7:52:21 AM UTC-7, Shriram Krishnamurthi wrote: > > The documentation > > > https://docs.racket-lang.org/rackunit/internals.html?q=run-test-case#%28def._%28%28lib._rackunit%2Fmain..rkt%29._foldts-test-suite%29%29 > > says that `folds-test-suite` can be implemented in terms of > `fold-test-results` as follows: > > (define > <https://docs.racket-lang.org/reference/define.html#%28form._%28%28lib._racket%2Fprivate%2Fbase..rkt%29._define%29%29> > (fold-test-results > <https://docs.racket-lang.org/rackunit/internals.html?q=run-test-case#%28def._%28%28lib._rackunit%2Fmain..rkt%29._fold-test-results%29%29> > suite-fn case-fn seed test) > (foldts-test-suite > <https://docs.racket-lang.org/rackunit/internals.html?q=run-test-case#%28def._%28%28lib._rackunit%2Fmain..rkt%29._foldts-test-suite%29%29> > (lambda > <https://docs.racket-lang.org/reference/lambda.html#%28form._%28%28lib._racket%2Fprivate%2Fbase..rkt%29._lambda%29%29> > (suite name before > <https://docs.racket-lang.org/rackunit/api.html?q=run-test-case#%28form._%28%28lib._rackunit%2Fmain..rkt%29._before%29%29> > after > <https://docs.racket-lang.org/rackunit/api.html?q=run-test-case#%28form._%28%28lib._rackunit%2Fmain..rkt%29._after%29%29> > seed) > (before > <https://docs.racket-lang.org/rackunit/api.html?q=run-test-case#%28form._%28%28lib._rackunit%2Fmain..rkt%29._before%29%29> > ) > (suite-fn name seed)) > (lambda > <https://docs.racket-lang.org/reference/lambda.html#%28form._%28%28lib._racket%2Fprivate%2Fbase..rkt%29._lambda%29%29> > (suite name before > <https://docs.racket-lang.org/rackunit/api.html?q=run-test-case#%28form._%28%28lib._rackunit%2Fmain..rkt%29._before%29%29> > after > <https://docs.racket-lang.org/rackunit/api.html?q=run-test-case#%28form._%28%28lib._rackunit%2Fmain..rkt%29._after%29%29> > seed kid-seed) > (after > <https://docs.racket-lang.org/rackunit/api.html?q=run-test-case#%28form._%28%28lib._rackunit%2Fmain..rkt%29._after%29%29> > ) > kid-seed) > (lambda > <https://docs.racket-lang.org/reference/lambda.html#%28form._%28%28lib._racket%2Fprivate%2Fbase..rkt%29._lambda%29%29> > (case > <https://docs.racket-lang.org/reference/case.html#%28form._%28%28lib._racket%2Fprivate%2Fmore-scheme..rkt%29._case%29%29> > name action seed) > (case-fn > (run-test-case > <https://docs.racket-lang.org/rackunit/internals.html?q=run-test-case#%28def._%28%28lib._rackunit%2Fmain..rkt%29._run-test-case%29%29> > name action) > seed)) > seed > test)) > > I'm curious why the value of `seed` in the second argument (the fup > position) — highlighted — is ignored. I was guessing that, since this is a > tree-fold, there are values "from across" and "from down", and we don't > want to throw either one away. Wouldn't we want to take a combinator that > combines the two? > > Shriram > > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/7e7fd2ef-92bd-4719-a199-2556295bd2b6%40googlegroups.com.
