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|
(.using
[library
[lux "*"
["_" test {"+" Test}]
[abstract
[monad {"+" do}]]
[data
["[0]" text ("[1]#[0]" equivalence)
["%" format {"+" format}]]]
[math
["[0]" random]
[number
["n" nat]]]]]
[\\library
["[0]" / {"+" exception:}
[//
["[0]" try {"+" Try}]]]])
(exception: an_exception)
(exception: another_exception)
(def: label "YOLO")
(exception: (custom_exception [value Nat])
(/.report label (%.nat value)))
(def: .public test
Test
(do [! random.monad]
[expected random.nat
wrong (|> random.nat (random.only (|>> (n.= expected) not)))
assertion_succeeded? random.bit
.let [report_element (# ! each %.nat random.nat)]
field0 report_element
value0 report_element
field1 report_element
value1 report_element]
(<| (_.covering /._)
(_.for [/.Exception])
($_ _.and
(_.cover [/.except]
(case (/.except ..an_exception [])
{try.#Success _} false
{try.#Failure _} true))
(_.cover [/.error]
(case (/.except ..an_exception [])
{try.#Success _}
false
{try.#Failure message}
(text#= message (/.error ..an_exception []))))
(_.cover [/.match?]
(/.match? ..an_exception
(/.error ..an_exception [])))
(_.cover [/.assertion]
(case (/.assertion ..an_exception [] assertion_succeeded?)
{try.#Success _}
assertion_succeeded?
{try.#Failure message}
(and (not assertion_succeeded?)
(text#= message (/.error ..an_exception [])))))
(_.cover [/.when]
(and (n.= expected
(|> (/.except ..an_exception [])
(/.when ..an_exception (function (_ ex) expected))
(/.otherwise (function (_ ex) wrong))))
(n.= expected
(|> (/.except ..another_exception [])
(/.when ..an_exception (function (_ ex) wrong))
(/.when ..another_exception (function (_ ex) expected))
(/.otherwise (function (_ ex) wrong))))))
(_.cover [/.otherwise]
(n.= expected
(|> (/.except ..another_exception [])
(/.when ..an_exception (function (_ ex) wrong))
(/.otherwise (function (_ ex) expected)))))
(_.cover [/.report]
(let [report (/.report field0 value0
field1 value1)]
(and (text.contains? field0 report)
(text.contains? value0 report)
(text.contains? field1 report)
(text.contains? value1 report))))
(_.cover [/.listing]
(let [enumeration (/.listing %.text (list field0 value0 field1 value1))]
(and (text.contains? field0 enumeration)
(text.contains? value0 enumeration)
(text.contains? field1 enumeration)
(text.contains? value1 enumeration))))
(_.cover [/.with]
(and (case (/.with ..an_exception [] {try.#Success expected})
{try.#Success actual} (n.= expected actual)
{try.#Failure _} false)
(case (/.with ..an_exception [] {try.#Failure ""})
{try.#Success _} false
{try.#Failure message} (text#= message (/.error ..an_exception [])))
(case (/.with ..an_exception []
(is (Try Nat)
(/.except ..another_exception [])))
{try.#Success _}
false
{try.#Failure message}
(and (text.contains? (/.error ..an_exception []) message)
(text.contains? (/.error ..another_exception []) message)))))
(_.cover [/.exception:]
(case (/.except ..custom_exception [expected])
{try.#Success _}
false
{try.#Failure message}
(and (text.contains? ..label message)
(text.contains? (%.nat expected) message))))
))))
|
