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(.module:
[lux #*
["_" test (#+ Test)]
[abstract
["." monad (#+ do)]]
[control
["." try (#+ Try)]
[concurrency
["." promise (#+ Promise)]]
[security
["!" capability]]]
[data
[binary (#+ Binary)]
["." product]
["." text
["%" format (#+ format)]]
[number
["n" nat]]
[collection
["." list ("#\." functor)]
["." set]]]
[math
["." random (#+ Random)]]
[world
["." file (#+ Path File)]]]
[///
["@." profile]
[//
[lux
[data
["_." binary]]]]]
{#program
["." /
["//#" /// #_
["#" profile]
["#." action (#+ Action)]]]})
(def: node-name
(Random Text)
(random.ascii/alpha 10))
(def: (files prefix)
(-> Path (Random (List [Path Binary])))
(do {! random.monad}
[count (:: ! map (n.% 10) random.nat)
names (random.set text.hash count ..node-name)
contents (random.list count (_binary.random 100))]
(wrap (list.zip/2 (list\map (|>> (format prefix)) (set.to-list names))
contents))))
(def: (create-file! fs [path content])
(-> (file.System Promise) [Path Binary] (Promise (Try Any)))
(do {! (try.with promise.monad)}
[file (: (Promise (Try (File Promise)))
(file.get-file promise.monad fs path))]
(!.use (:: file over-write) content)))
(def: (create-directory! fs path files)
(-> (file.System Promise) Path (List [Path Binary]) (Promise (Try Any)))
(do {! (try.with promise.monad)}
[_ (: (Promise (Try Path))
(file.make-directories promise.monad fs path))
_ (monad.map ! (..create-file! fs) files)]
(wrap [])))
(def: (directory-exists? fs)
(-> (file.System Promise) Path (Promise (Try Bit)))
(|>> (file.directory-exists? promise.monad fs) (try.lift promise.monad)))
(def: (file-exists? fs)
(-> (file.System Promise) Path (Promise (Try Bit)))
(|>> (file.file-exists? promise.monad fs) (try.lift promise.monad)))
(def: (assets-exist? fs directory-path files)
(-> (file.System Promise) Path (List [Path Binary]) (Promise (Try Bit)))
(do {! (try.with promise.monad)}
[directory-exists? (..directory-exists? fs directory-path)
files-exist? (: (Action (List Bit))
(|> files
(list\map product.left)
(monad.map ///action.monad (..file-exists? fs))))]
(wrap (and directory-exists?
(list.every? (|>>) files-exist?)))))
(def: #export test
Test
(<| (_.covering /._)
(do {! random.monad}
[context ..node-name
target ..node-name
sub ..node-name
#let [fs (file.mock (:: file.default separator))
/ (:: fs separator)
target-path (format context / target)
sub-path (format target-path / sub)]
direct-files (..files (format target-path /))
sub-files (..files (format sub-path /))
dummy @profile.random]
(wrap (do promise.monad
[verdict (do {! (try.with promise.monad)}
[_ (..create-directory! fs target-path direct-files)
_ (..create-directory! fs sub-path sub-files)
context-exists!/pre (..directory-exists? fs context)
target-exists!/pre (..assets-exist? fs target-path direct-files)
sub-exists!/pre (..assets-exist? fs sub-path sub-files)
_ (/.do! fs (set@ #///.target (#.Some target-path) dummy))
context-exists!/post (..directory-exists? fs context)
target-exists!/post (..assets-exist? fs target-path direct-files)
sub-exists!/post (..assets-exist? fs sub-path sub-files)]
(wrap (and (and context-exists!/pre
context-exists!/post)
(and target-exists!/pre
(not target-exists!/post))
(and sub-exists!/pre
(not sub-exists!/post)))))]
(_.claim [/.do!]
(try.default false verdict)))))))
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