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Add a test/compare form to the core tests infrastructure.

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Sam Tobin-Hochstadt 2021-05-07 11:53:20 -04:00 committed by Sam Tobin-Hochstadt
parent abfa49d7d9
commit 0db8353d6b
1 changed files with 20 additions and 7 deletions
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27
pkgs/racket-test-core/tests/racket/testing.rktl
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@ -38,6 +38,14 @@ the results of that (with equal?) to the value of the
something that isn't a procedure. That name is used in the
transcript.
The `test/compare` form has similar shapes:
(test/compare <compare> <expected> <procedure> <argument1> <argument2> ...)
(test/compare <compare> <expected> <symbolic-name> <expression>)
In both cases, it works like `test` but uses `compare` instead of `equal?`.
|#
(require (for-syntax racket/base))
@ -104,13 +112,15 @@ transcript.
(define wrong-result-retries (make-parameter 0))
(define test
(define-values (test test/compare)
(let ()
(define (test* expect fun args kws kvs)
(define (test* expect fun args kws kvs cmp)
(define form
`(,fun ,@args ,@(apply append (if kws (map list kws kvs) '()))))
(set! number-of-tests (add1 number-of-tests))
(printf "~s ==> " form)
(define compare (if cmp (format " (compared with ~s)" cmp) ""))
(flush-output)
(with-handlers ([(λ (e) (not (exn:break? e))) ;; handle "exceptions" that are arbitrary values
(λ (e)
@ -121,7 +131,7 @@ transcript.
(if kws (keyword-apply fun kws kvs args) (apply fun args))
(car args))])
(printf "~s\n" res)
(let ([ok? (equal? expect res)])
(let ([ok? ((or cmp equal?) expect res)])
(cond
[(and (not ok?)
(positive? (wrong-result-retries)))
@ -131,11 +141,14 @@ transcript.
[else
(unless ok?
(record-error (list res expect form))
(printf " BUT EXPECTED ~s\n" expect))
(printf " BUT EXPECTED ~s~a\n" expect compare))
ok?])))))
(define (test/kw kws kvs expect fun . args) (test* expect fun args kws kvs))
(define (test expect fun . args) (test* expect fun args #f #f))
(make-keyword-procedure test/kw test)))
(define (test/kw kws kvs expect fun . args) (test* expect fun args kws kvs #f))
(define (test expect fun . args) (test* expect fun args #f #f #f))
(define (test/compare compare expect fun . args) (test* expect fun args #f #f compare))
(define (test/compare/kw kws kvs compare expect fun . args) (test* expect fun args kws kvs compare))
(values (make-keyword-procedure test/kw test)
(make-keyword-procedure test/compare/kw test/compare))))
(define (nonneg-exact? x)
(and (exact? x)