urbit/lib/tester.hoon
2018-03-09 19:27:32 -08:00

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/+ new-hoon
::
:> testing utilities
|%
:> # %models
+|
+= tests
:> a hierarchical structure of tests
:>
:> a recursive association list mapping a part of a path
:> to either a test trap or a sublist of the same type.
(list instance)
::
+= instance
:> a mapping between a term and part of a test tree.
(pair term (each $-(@uvJ (list tape)) tests))
::
:> # %generate
:> utilities for generating ++tests from files and directories.
+|
++ merge-base-and-recur
:> combine the current file and subdirectory.
:>
:> this merges the file {base} with its child files {recur}.
|= [base=vase recur=(map @ta tests)]
^- tests
=+ a=(gen-tests base)
=+ b=(test-map-to-test-list recur)
:: todo: why does ++weld not work here? {a} and {b} are cast and have the
:: correct faces.
(welp a b)
::
++ test-map-to-test-list
:> translates ford output to something we can work with.
:>
:> ford gives us a `(map @ta tests)`, but we actually
:> want something like ++tests.
|= a=(map @ta tests)
:: todo: i'd like to sort this, but ++sort has -find.a problems much like
:: ++weld does above!?
^- tests
%+ turn
(to-list:dct:new-hoon a)
|= {key/@ta value/tests}
[key [%| value]]
::
++ gen-tests
:> creates a {tests} list out of a vase of a test suite
|= v=vase
^- tests
=+ arms=(sort (sloe p.v) aor)
%+ turn arms
|= arm/term
:- arm
:- %&
|= eny=@uvJ
=+ context=(slop !>((init-test eny)) v)
=/ r (slap context [%cnsg [arm ~] [%$ 3] [[%$ 2] ~]])
((hard (list tape)) q.r)
::
:> # %per-test
:> data initialized on a per-test basis.
::
++ init-test |=({eny/@uvJ} %*(. tester eny eny, check-iterations 10))
::
++ tester
|_ $: eny=@uvJ :< entropy
check-iterations=@u :< # of check trials
current-iteration=@u :< current iteration
==
:> #
:> # %check
:> #
:> gates for quick check style tests.
+|
+- check
|* [generator=$-(@uvJ *) test=$-(* ?)]
|- ^- wall
?: (gth current-iteration check-iterations)
~
:: todo: wrap generator in mule so it can crash.
=+ sample=(generator eny)
:: todo: wrap test in mule so it can crash.
?: (test sample)
%= $
eny (shaf %huh eny) :: xxx: better random?
current-iteration (add current-iteration 1)
==
=/ case +(current-iteration)
=/ pl ?+(case "" %1 "s")
::XXX sample is a noun
["falsified after {<case>} case{pl} by '{<`*`sample>}', seed {<eny>}"]~
::
:: todo: a generate function that takes an arbitrary span.
::
++ generate-range
|= [min=@ max=@]
|= c=@uvJ
^- @
=+ gen=(random:new-hoon c)
=^ num gen (range:gen min max)
num
::
++ generate-dict
:> generator which will produce a dict with {count} random pairs.
|= count=@u
:> generate a dict with entropy {c}.
|= c=@uvJ
:>
:> gen: stateful random number generator
:> out: resulting map
:> i: loop counter
:>
=/ gen (random:new-hoon c)
=| out=(dict:new-hoon @ud @ud)
=| i=@u
|-
^- (dict:new-hoon @ud @ud)
?: =(i count)
out
=^ first gen (range:gen 0 100)
=^ second gen (range:gen 0 100)
$(out (put:dct:new-hoon out first second), i +(i))
:> #
:> # %test
:> #
:> test expectation functions
+|
:: todo: unit testing libraries have a lot more to them than just eq.
++ expect-eq
|* [a=* b=*]
^- wall
?: =(a b)
~
:~ "actual: '{(noah !>(a))}'"
"expected: '{(noah !>(b))}'"
==
--
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