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|
(.using
[library
[lux "*"
["_" test {"+" Test}]
[abstract
[monad {"+" do}]]
[control
["[0]" try]
["[0]" exception]
[concurrency
["[0]" async {"+" Async} ("[1]#[0]" monad)]]]
[math
["[0]" random]]
[world
["[0]" file]]]]
[\\library
["[0]" /]]
["$[0]" /// "_"
["[1][0]" context]])
(`` (implementation: (bad it)
(-> (file.System Async) (file.System Async))
(~~ (template [<name>]
[(def: <name>
(# it <name>))]
[separator]
[file?]
[directory?]
[modify]
[write]
[append]
[move]
[directory_files]
[sub_directories]
[file_size]
[last_modified]
[can_execute?]
[read]
[delete]
))
(def: (make_directory path)
(async#in {try.#Failure ""}))
))
(def: .public test
Test
(<| (_.covering /._)
(do [! random.monad]
[context $///context.random
@module random.nat]
($_ _.and
(in (do [! async.monad]
[.let [/ "/"
fs (file.mock /)]
pre/0 (# fs directory? (/.path fs context @module))
pre/1 (/.enabled? fs context @module)
outcome (/.enable! ! fs context @module)
post/0 (# fs directory? (/.path fs context @module))
post/1 (/.enabled? fs context @module)]
(_.cover' [/.path /.enabled? /.enable!]
(and (not pre/0)
(not pre/1)
(case outcome
{try.#Success _} true
{try.#Failure _} false)
post/0
post/1))))
(in (do [! async.monad]
[.let [/ "/"
fs (file.mock /)]
pre/0 (# fs directory? (/.path fs context @module))
pre/1 (/.enabled? fs context @module)
outcome (/.enable! ! (..bad fs) context @module)
post/0 (# fs directory? (/.path fs context @module))
post/1 (/.enabled? fs context @module)]
(_.cover' [/.cannot_enable]
(and (not pre/0)
(not pre/1)
(case outcome
{try.#Success _}
false
{try.#Failure error}
(exception.match? /.cannot_enable error))
(not post/0)
(not post/1)))))
))))
|
