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 racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/7e7fd2ef-92bd-4719-a199-2556295bd2b6%40googlegroups.com.
