shrub/lib/tester.hoon
2018-08-23 15:03:55 -07:00

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|%
:: $test: a test with a fully resolved path
::
+$ test [=path func=test-func]
:: $test-arm: a test with a name (derived from its arm name in a test core)
::
+$ test-arm [name=term func=test-func]
:: $test-func: a single test, as a gate; sample is entropy, produces failures
::
+$ test-func $-(@uvJ tang)
--
|%
:: +resolve-test-paths: add test names to file paths to form full identifiers
::
++ resolve-test-paths
|= paths-to-tests=(map path (list test-arm))
^- (list test)
::
%- zing
%+ turn ~(tap by paths-to-tests)
|= [=path test-arms=(list test-arm)]
^- (list test)
:: strip off leading 'tests' from :path
::
=. path
?> ?=(^ path)
?> ?=(%tests i.path)
t.path
:: for each test, add the test's name to :path
::
%+ turn test-arms
|= =test-arm
^- test
[(weld path /[name.test-arm]) func.test-arm]
:: +get-test-arms: convert test arms to functions and produce them
::
++ get-test-arms
|= [test-core-type=type test-core=*]
^- (list test-arm)
::
=/ arms=(list @tas) (sort (sloe test-core-type) aor)
::
%+ turn (skim arms has-test-prefix)
|= name=term
^- test-arm
::
?> (~(nest ut (~(peek ut test-core-type) %free 6)) & p:!>((init-test)))
::
~| [%failed-to-compile-test-arm name]
=/ run-arm=[=type =nock]
(~(mint ut test-core-type) p:!>(*tang) [%limb name])
::
:- name
^- test-func
::
|= eny=@uvJ
^- tang
((hard tang) .*(test-core(+6 (init-test eny)) nock.run-arm))
:: +has-test-prefix: does the arm define a test we should run?
::
++ has-test-prefix
|= a=term ^- ?
=((end 3 5 a) 'test-')
:: +init-test: data initialized on a per-test basis
::
++ init-test |=(eny=@uvJ ~(. tester eny))
:: +tester: main testing core with helper arms to be used in tests
::
:: TODO provide a lot more helper functions.
::
++ tester
|_ eny=@uvJ
:: +expect-eq: compares !>([expected actual]) and pretty-prints the result
::
++ expect-eq
|= a=vase
^- tang
?@ q.a [palm+[": " ~ ~ ~]^~[>%ex-expected-pair< (sell a)]]~
?: =(-.q.a +.q.a)
~
:~ palm+[": " ~ ~ ~]^~[leaf+"expected" (sell (slot 2 a))]
palm+[": " ~ ~ ~]^~[leaf+"actual" (sell (slot 3 a))]
==
:: +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]))
--
--