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shrub/pkg/arvo/lib/test.hoon
2020-04-16 09:40:59 -04:00

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:: testing utilities meant to be directly used from files in %/tests
::
|%
:: +expect-eq: compares :expected and :actual and pretty-prints the result
::
++ expect-eq
|= [expected=vase actual=vase]
^- tang
::
=| result=tang
::
=? result !=(q.expected q.actual)
%+ weld result
^- tang
:~ [%palm [": " ~ ~ ~] [leaf+"expected" (sell expected) ~]]
[%palm [": " ~ ~ ~] [leaf+"actual" (sell actual) ~]]
==
::
=? result !(~(nest ut p.actual) | p.expected)
%+ weld result
^- tang
:~ :+ %palm [": " ~ ~ ~]
:~ [%leaf "failed to nest"]
(~(dunk ut p.actual) %actual)
(~(dunk ut p.expected) %expected)
== ==
result
:: +expect: compares :actual to %.y and pretty-prints anything else
::
++ expect
|= actual=vase
(expect-eq !>(%.y) actual)
:: +expect-fail: kicks a trap, expecting crash. pretty-prints if succeeds
::
++ expect-fail
|= a=(trap)
^- tang
=/ b (mule a)
?- -.b
%| ~
%& [leaf+"expected failure - succeeded" ~]
==
:: +category: prepends a name to an error result; passes successes unchanged
::
++ category
|= [a=tape b=tang] ^- tang
?: =(~ b) ~ :: test OK
:- leaf+"in: '{a}'"
(turn b |=(c=tank rose+[~ " " ~]^~[c]))
--