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