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|
(.module:
[library
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]]
[data
["." text ("#\." equivalence)
["%" format (#+ format)]]]
[math
["." random]
[number
["n" nat]]]]]
[\\library
["." / (#+ exception:)
[//
["." 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 (\ ! map %.nat random.nat)]
field0 report_element
value0 report_element
field1 report_element
value1 report_element]
(<| (_.covering /._)
(_.for [/.Exception])
($_ _.and
(_.cover [/.return]
(case (/.return expected)
(#try.Success actual) (n.= expected actual)
(#try.Failure _) false))
(_.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 [/.catch]
(and (n.= expected
(|> (/.except ..an_exception [])
(/.catch ..an_exception (function (_ ex) expected))
(/.otherwise (function (_ ex) wrong))))
(n.= expected
(|> (/.except ..another_exception [])
(/.catch ..an_exception (function (_ ex) wrong))
(/.catch ..another_exception (function (_ ex) expected))
(/.otherwise (function (_ ex) wrong))))))
(_.cover [/.otherwise]
(n.= expected
(|> (/.except ..another_exception [])
(/.catch ..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 []
(: (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))))
))))
|
