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|
(.module:
[library
[lux #*
[abstract
[monad (#+ do)]]
[control
["." io]
["." exception]
[concurrency
["." promise]
["." atom (#+ Atom)]]]
[data
["." text ("#\." equivalence)]
[collection
["." list]]]
[math
["." random]
[number
["n" nat]]]]]
[\\library
["." /]])
(def: (verify expected_message/0 expected_message/1 successes failures [tally message])
(-> Text Text Nat Nat [/.Tally Text] Bit)
(and (text.contains? expected_message/0 message)
(text.contains? expected_message/1 message)
(n.= successes (get@ #/.successes tally))
(n.= failures (get@ #/.failures tally))))
(def: assertion
/.Test
(do {! random.monad}
[expected_message/0 (random.ascii/lower 5)
expected_message/1 (random.filter (|>> (text\= expected_message/0) not)
(random.ascii/lower 5))]
($_ /.and
(wrap (do promise.monad
[[success_tally success_message] (/.assert expected_message/0 true)
[failure_tally failure_message] (/.assert expected_message/0 false)]
(/.cover' [/.assert /.Tally]
(and (text.ends_with? expected_message/0 success_message)
(text.ends_with? expected_message/0 failure_message)
(and (n.= 1 (get@ #/.successes success_tally))
(n.= 0 (get@ #/.failures success_tally)))
(and (n.= 0 (get@ #/.successes failure_tally))
(n.= 1 (get@ #/.failures failure_tally)))))))
(wrap (do promise.monad
[tt (/.and' (/.assert expected_message/0 true)
(/.assert expected_message/1 true))
ff (/.and' (/.assert expected_message/0 false)
(/.assert expected_message/1 false))
tf (/.and' (/.assert expected_message/0 true)
(/.assert expected_message/1 false))
ft (/.and' (/.assert expected_message/0 false)
(/.assert expected_message/1 true))]
(/.cover' [/.and']
(and (..verify expected_message/0 expected_message/1 2 0 tt)
(..verify expected_message/0 expected_message/1 0 2 ff)
(..verify expected_message/0 expected_message/1 1 1 tf)
(..verify expected_message/0 expected_message/1 1 1 ft)))))
)))
(def: seed
/.Test
(do {! random.monad}
[seed random.nat
#let [[read write] (: [(promise.Promise Nat) (promise.Resolver Nat)]
(promise.promise []))]
pre (<| (/.seed seed)
(do !
[sample random.nat
#let [wrote? (io.run (write sample))]]
(/.test "" wrote?)))
post (<| (/.seed seed)
(do !
[actual random.nat]
(wrap (do promise.monad
[expected read]
(/.assert "" (n.= expected actual))))))]
(wrap (do promise.monad
[[pre_tally pre_message] pre
[post_tally post_message] post]
(/.cover' [/.seed]
(and (and (n.= 1 (get@ #/.successes pre_tally))
(n.= 0 (get@ #/.failures pre_tally)))
(and (n.= 1 (get@ #/.successes post_tally))
(n.= 0 (get@ #/.failures post_tally)))))))))
(def: times
/.Test
($_ /.and
(do {! random.monad}
[times_assertion (/.times 0 (/.test "" true))]
(wrap (do promise.monad
[[tally error] times_assertion]
(/.cover' [/.must_try_test_at_least_once]
(and (text.contains? (get@ #exception.label /.must_try_test_at_least_once) error)
(n.= 0 (get@ #/.successes tally))
(n.= 1 (get@ #/.failures tally)))))))
(do {! random.monad}
[expected (\ ! map (|>> (n.% 10) inc) random.nat)
#let [counter (: (Atom Nat)
(atom.atom 0))]
times_assertion (<| (/.times expected)
(do !
[_ (wrap [])
#let [_ (io.run (atom.update inc counter))]]
(/.test "" true)))]
(wrap (do promise.monad
[[tally error] times_assertion
actual (promise.future (atom.read counter))]
(/.cover' [/.times]
(and (n.= expected actual)
(n.= 1 (get@ #/.successes tally))
(n.= 0 (get@ #/.failures tally)))))))
))
(def: in_parallel
/.Test
($_ /.and
(do {! random.monad}
[expected (\ ! map (|>> (n.% 10) inc) random.nat)
#let [counter (: (Atom Nat)
(atom.atom 0))]
assertion (<| /.in_parallel
(list.repeat expected)
(: /.Test)
(do !
[_ (wrap [])
#let [_ (io.run (atom.update inc counter))]]
(/.test "" true)))]
(wrap (do promise.monad
[[tally error] assertion
actual (promise.future (atom.read counter))]
(/.cover' [/.in_parallel]
(and (n.= expected actual)
(n.= expected (get@ #/.successes tally))
(n.= 0 (get@ #/.failures tally)))))))
(do {! random.monad}
[expected (\ ! map (|>> (n.% 10) inc) random.nat)
#let [counter (: (Atom Nat)
(atom.atom 0))]
assertion (<| /.in_parallel
(list.repeat expected)
(: /.Test)
(do !
[_ (wrap [])
#let [_ (undefined)
_ (io.run (atom.update inc counter))]]
(/.test "" true)))]
(wrap (do promise.monad
[[tally error] assertion
actual (promise.future (atom.read counter))]
(/.cover' [/.error_during_execution]
(let [correct_error! (text.contains? (get@ #exception.label /.error_during_execution) error)
no_complete_run! (n.= 0 actual)
no_successes! (n.= 0 (get@ #/.successes tally))
ran_all_tests! (n.= expected (get@ #/.failures tally))]
(and correct_error!
no_complete_run!
no_successes!
ran_all_tests!))))))
))
(def: #export test
/.Test
(<| (/.covering /._)
(/.for [/.Test])
(do {! random.monad}
[expected_context (random.ascii/lower 5)
expected_message/0 (random.filter (|>> (text\= expected_context) not)
(random.ascii/lower 5))
expected_message/1 (random.filter (|>> (text\= expected_message/0) not)
(random.ascii/lower 5))]
($_ /.and
(/.for [/.Assertion]
..assertion)
(/.for [/.Seed]
seed)
(do !
[success_assertion (/.test expected_message/0 true)
failure_assertion (/.test expected_message/0 false)]
(wrap (do promise.monad
[[success_tally success_message] success_assertion
[failure_tally failure_message] failure_assertion]
(/.cover' [/.test]
(and (text.ends_with? expected_message/0 success_message)
(text.ends_with? expected_message/0 failure_message)
(and (n.= 1 (get@ #/.successes success_tally))
(n.= 0 (get@ #/.failures success_tally)))
(and (n.= 0 (get@ #/.successes failure_tally))
(n.= 1 (get@ #/.failures failure_tally))))))))
(do !
[tt (/.and (/.test expected_message/0 true)
(/.test expected_message/1 true))
ff (/.and (/.test expected_message/0 false)
(/.test expected_message/1 false))
tf (/.and (/.test expected_message/0 true)
(/.test expected_message/1 false))
ft (/.and (/.test expected_message/0 false)
(/.test expected_message/1 true))]
(wrap (do promise.monad
[tt tt
ff ff
tf tf
ft ft]
(/.cover' [/.and]
(and (..verify expected_message/0 expected_message/1 2 0 tt)
(..verify expected_message/0 expected_message/1 0 2 ff)
(..verify expected_message/0 expected_message/1 1 1 tf)
(..verify expected_message/0 expected_message/1 1 1 ft))))))
(do !
[success_assertion (/.context expected_context (/.test expected_message/0 true))
failure_assertion (/.context expected_context (/.test expected_message/0 false))]
(wrap (do promise.monad
[[success_tally success_message] success_assertion
[failure_tally failure_message] failure_assertion]
(/.cover' [/.context]
(and (and (text.contains? expected_context success_message)
(text.contains? expected_message/0 success_message))
(and (text.contains? expected_context failure_message)
(text.contains? expected_message/0 failure_message))
(and (n.= 1 (get@ #/.successes success_tally))
(n.= 0 (get@ #/.failures success_tally)))
(and (n.= 0 (get@ #/.successes failure_tally))
(n.= 1 (get@ #/.failures failure_tally))))))))
(do !
[failure_assertion (/.fail expected_message/0)]
(wrap (do promise.monad
[[failure_tally failure_message] failure_assertion]
(/.cover' [/.fail]
(and (text.contains? expected_message/0 failure_message)
(and (n.= 0 (get@ #/.successes failure_tally))
(n.= 1 (get@ #/.failures failure_tally))))))))
(do !
[success_assertion (/.lift expected_message/0 (wrap true))
failure_assertion (/.lift expected_message/0 (wrap false))]
(wrap (do promise.monad
[[success_tally success_message] success_assertion
[failure_tally failure_message] failure_assertion]
(/.cover' [/.lift]
(and (text.contains? expected_message/0 success_message)
(text.contains? expected_message/0 failure_message)
(and (n.= 1 (get@ #/.successes success_tally))
(n.= 0 (get@ #/.failures success_tally)))
(and (n.= 0 (get@ #/.successes failure_tally))
(n.= 1 (get@ #/.failures failure_tally))))))))
..times
..in_parallel
))))
|
