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|
(.require
[library
[lux (.except)
["_" test (.only Test)]
[abstract
[monad (.only do)]]
[control
["[0]" io]
["[0]" try (.only Try)]
["[0]" exception (.only exception:)]]
[data
["[0]" text (.use "[1]#[0]" equivalence)
["%" \\format (.only format)]]]
[math
["[0]" random]]]]
[\\library
["[0]" /]]
[\\specification
["$[0]" /]])
(exception: dead)
(def mock
(/.Mock [Bit Text])
(implementation
(def (on_read [dead? content])
(do try.monad
[char (try.of_maybe (text.char 0 content))
[_ content] (try.of_maybe (text.split_at 1 content))]
(if dead?
(exception.except ..dead [])
(in [[dead? content] char]))))
(def (on_read_line [dead? content])
(do try.monad
[[line content] (try.of_maybe (text.split_by text.new_line content))]
(if dead?
(exception.except ..dead [])
(in [[dead? content] line]))))
(def (on_write message [dead? content])
(if dead?
(exception.except ..dead [])
{try.#Success [dead? (format content message)]}))
(def (on_close [dead? content])
(if dead?
(exception.except ..dead [])
{try.#Success [true content]}))))
(def .public test
Test
(<| (_.covering /._)
(all _.and
(_.for [/.async /.mock /.Mock]
($/.spec (io.io (/.async (/.mock ..mock [false ""])))))
(do random.monad
[expected (random.alphabetic 10)
.let [console (/.mock ..mock [false ""])]]
(_.coverage [/.write_line]
(io.run!
(do io.monad
[?_ (/.write_line expected console)
?actual (at console read_line [])]
(in (<| (try.else false)
(do try.monad
[_ ?_
actual ?actual]
(in (text#= expected actual)))))))))
)))
|
