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|
... This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
... If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
(.require
[library
[lux (.except and for)
["[0]" debug]
[abstract
[monad (.only do)]]
[control
["[0]" pipe]
["[0]" maybe]
["[0]" try]
["[0]" exception (.only Exception)]
["[0]" io]
[concurrency
["[0]" atom (.only Atom)]
["[0]" async (.only Async) (.use "[1]#[0]" monad)]]]
[data
["[0]" product]
["[0]" text (.only)
["%" \\format (.only format)]]
[collection
["[0]" list (.use "[1]#[0]" functor mix)]
["[0]" set]
["[0]" dictionary
["[1]" ordered (.only Dictionary)]]]]
[math
["[0]" random (.only Random) (.use "[1]#[0]" monad)]
[number (.only hex)
["n" nat]
["f" frac]]]
[meta
["[0]" symbol]
["[0]" code
["<[1]>" \\parser]]
[compiler
["@" target]]
[macro
[syntax (.only syntax)]]]
[world
["[0]" environment]
["[0]" console]
[time
[duration (.only Duration)]
["[0]" instant]]]]]
[//
["//" unit]
["[0]" coverage (.only Coverage)]
["[0]" tally (.only Tally)]])
(type .public Test
(Random //.Test))
(def .public (and left right)
(-> Test Test Test)
(do [! random.monad]
[left left]
(of ! each (//.and left) right)))
(def .public context
(-> Text Test Test)
(|>> %.text
//.context
random#each))
(def .public failure
(-> Text Test)
(|>> //.failure
random#in))
(def .public success
(-> Text Test)
(|>> //.success
random#in))
(def .public (test message condition)
(-> Text Bit Test)
(random#in (//.test message condition)))
(def .public (lifted message random)
(-> Text (Random Bit) Test)
(do random.monad
[it random]
(test message it)))
(def pcg_32_magic_inc
Nat
(hex "FEDCBA9876543210"))
(type .public Seed
Nat)
(def .public (seed value test)
(-> Seed Test Test)
(function (_ prng)
(let [[_ result] (random.result (random.pcg_32 [..pcg_32_magic_inc value])
test)]
[prng result])))
(def separator
text.new_line)
(def (times_failure seed documentation)
(-> Seed Text Text)
(format documentation ..separator ..separator
"Failed with this seed: " (%.nat seed)))
(exception.def .public must_try_test_at_least_once)
(type .public Success_Policy
Bit)
(def .public ignore_success
Success_Policy
#0)
(def .public announce_success
Success_Policy
#1)
(def .public (times amount announce_success? test)
(-> Nat Success_Policy Test Test)
(when amount
0 (..failure (exception.error ..must_try_test_at_least_once []))
_ (do random.monad
[seed random.nat]
(function (again prng)
(let [[prng' instance] (random.result (random.pcg_32 [..pcg_32_magic_inc seed]) test)]
[prng' (do [! async.monad]
[[tally documentation] instance]
(if (tally.failed? tally)
(in [tally (times_failure seed documentation)])
(exec
(if announce_success?
(debug.log! (format "Succeeded with this seed: " (%.nat seed)))
[])
(when amount
1 instance
_ (|> test
(times (-- amount) announce_success?)
(random.result prng')
product.right)))))])))))
(def (description duration tally)
(-> Duration Tally Text)
(let [successes (the tally.#successes tally)
failures (the tally.#failures tally)
missing (set.difference (the tally.#actual tally)
(the tally.#expected tally))
unexpected (set.difference (the tally.#expected tally)
(the tally.#actual tally))
report (is (-> Coverage Text)
(|>> set.list
(list.sorted (of symbol.order <))
(exception.listing %.symbol)))
expected_coverage (set.size (the tally.#expected tally))
unexpected_coverage (set.size unexpected)
actual_coverage (n.- unexpected_coverage
(set.size (the tally.#actual tally)))
coverage (when expected_coverage
0 "N/A"
expected (let [missing_ratio (f./ (n.frac expected)
(n.frac (set.size missing)))
max_percent +100.0
done_percent (|> +1.0
(f.- missing_ratio)
(f.* max_percent))]
(if (f.= max_percent done_percent)
"100%"
(let [raw (|> done_percent
%.frac
(text.replaced_once "+" ""))]
(|> raw
(text.clip 0 (if (f.< +10.0 done_percent)
4 ... X.XX
5 ... XX.XX
))
(maybe.else raw)
(text.suffix "%"))))))]
(exception.report
(list ["Duration" (%.duration duration)]
["Tests" (%.nat (n.+ successes failures))]
["Successes" (%.nat successes)]
["Failures" (%.nat failures)]
["Expected coverage" (%.nat expected_coverage)]
["Actual coverage" (%.nat actual_coverage)]
["Pending coverage" (%.nat (n.- actual_coverage
expected_coverage))]
["Unexpected coverage" (%.nat unexpected_coverage)]
["Coverage" coverage]
["Pending" (report missing)]
["Unexpected" (report unexpected)]))))
(def failure_exit_code +1)
(def success_exit_code +0)
(def .public (run! test)
(-> Test (Async Nothing))
(do async.monad
[pre (async.future instant.now)
.let [seed (instant.millis pre)
prng (random.pcg_32 [..pcg_32_magic_inc seed])]
[tally documentation] (|> test (random.result prng) product.right)
post (async.future instant.now)
.let [duration (instant.span pre post)
report (format documentation
text.new_line text.new_line
(..description duration tally)
text.new_line)]
_ (with_expansions [<else> (in {try.#Success (debug.log! report)})]
(.for @.js (when console.default
{.#None}
<else>
{.#Some console}
(console.write_line report console))
<else>))]
(async.future (of environment.default exit
(when (the tally.#failures tally)
0 ..success_exit_code
_ ..failure_exit_code)))))
(def .public coverage
(syntax (_ [coverage <code>.any
condition <code>.any])
(in (list (` (of random.monad (,' in) (//.coverage (, coverage) (, condition))))))))
(def .public for
(syntax (_ [coverage <code>.any
test <code>.any])
(in (list (` (of random.functor
(,' each)
(|>> (//.for (, coverage)))
(, test)))))))
(def .public covering
(syntax (_ [module <code>.any
test <code>.any])
(in (list (` (of random.functor
(,' each)
(|>> (//.covering (, module)))
(, test)))))))
(exception.def .public (error_during_execution error)
(Exception Text)
(exception.report
(list ["Error" (%.text error)])))
(def .public (in_parallel tests)
(-> (List Test) Test)
(when (list.size tests)
0
(random#in (async#in [tally.empty ""]))
expected_tests
(do random.monad
[seed random.nat
.let [prng (random.pcg_32 [..pcg_32_magic_inc seed])
run! (is (-> Test //.Test)
(|>> (random.result prng)
product.right
try
(pipe.when
{try.#Success output}
output
{try.#Failure error}
(//.test (exception.error ..error_during_execution [error]) false))))
state (is (Atom (Dictionary Nat [Tally Text]))
(atom.atom (dictionary.empty n.order)))
[read! write!] (is [//.Test
(async.Resolver [Tally Text])]
(async.async []))
_ (list#mix (function (_ test index)
(exec
(|> (run! test)
(async.upon! (function (_ assertion)
(do io.monad
[[_ results] (atom.update! (dictionary.has index assertion) state)]
(if (n.= expected_tests (dictionary.size results))
(let [assertions (|> results
dictionary.entries
(list#each product.right))]
(write! [(|> assertions
(list#each product.left)
(list#mix tally.and tally.empty))
(|> assertions
(list#each product.right)
(text.interposed ..separator))]))
(in [])))))
io.run!)
(++ index)))
0
tests)]]
(in read!))))
|
