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|
(.require
[library
[lux (.except)
[abstract
[monad (.only do)]
[\\specification
["[0]S" equivalence]]]
[control
["[0]" maybe (.use "[1]#[0]" functor)]]
[data
["[0]" text (.only)
["%" \\format]]]
[math
["[0]" random (.only Random)]
[number
["n" nat]]]
[test
["_" property (.only Test)]]]]
[\\library
["[0]" / (.only)
["[0]" currency]]]
["[0]" /
["[1][0]" currency]])
(def .public random
(Random (Ex (_ of)
(/.Money of)))
(do random.monad
[expected_currency /currency.random
expected_amount random.nat]
(in (/.money expected_currency expected_amount))))
(def .public test
Test
(<| (_.covering /._)
(do [! random.monad]
[.let [expected_currency currency.usd]
expected_amount random.nat
expected_parameter (random.only (n.> 0) random.nat)
expected_subject random.nat])
(_.for [/.Money])
(all _.and
(_.for [/.equivalence]
(equivalenceS.spec /.equivalence ..random))
(_.coverage [/.money /.currency /.amount]
(let [it (/.money expected_currency expected_amount)]
(and (same? expected_currency (/.currency it))
(same? expected_amount (/.amount it)))))
(_.coverage [/.+ /.-]
(let [parameter (/.money expected_currency expected_parameter)
subject (/.money expected_currency expected_subject)]
(and (|> subject
(/.+ parameter)
(of /.equivalence = subject)
not)
(|> subject
(/.+ parameter)
(/.- parameter)
(maybe#each (of /.equivalence = subject))
(maybe.else false)))))
(do !
[it ..random]
(_.coverage [/.format]
(and (text.starts_with? (%.nat (/.amount it))
(text.replaced_once "." "" (/.format it)))
(text.ends_with? (currency.alphabetic_code (/.currency it))
(/.format it)))))
/currency.test
)))
|
