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|
(.module:
[lux #*
["%" data/text/format (#+ format)]
["r" math/random (#+ Random) ("#@." monad)]
["_" test (#+ Test)]
[abstract/monad (#+ do)]
[control
["." io (#+ IO)]
["." try (#+ Try)]
[concurrency
["." promise]]
[security
["!" capability]]]
[data
["." binary (#+ Binary)]
["." text]
[number
["n" nat]
["i" int]]
[collection
["." list]]]
[time
["." instant]
["." duration]]]
{1
["." / (#+ Path File)]}
[///
[data
["_." binary]]])
(def: truncate-millis
(let [millis +1,000]
(|>> (i./ millis) (i.* millis))))
(def: (creation-and-deletion number)
(-> Nat Test)
(r@wrap (do promise.monad
[#let [path (format "temp_file_" (%.nat number))]
result (promise.future
(do (try.with io.monad)
[#let [check-existence! (: (IO (Try Bit))
(try.lift io.monad (/.exists? io.monad /.system path)))]
pre! check-existence!
file (!.use (:: /.system create-file) path)
post! check-existence!
_ (!.use (:: file delete) [])
remains? check-existence!]
(wrap (and (not pre!)
post!
(not remains?)))))]
(_.assert "Can create/delete files."
(try.default #0 result)))))
(def: (read-and-write number data)
(-> Nat Binary Test)
(r@wrap (do promise.monad
[#let [path (format "temp_file_" (%.nat number))]
result (promise.future
(do (try.with io.monad)
[file (!.use (:: /.system create-file) path)
_ (!.use (:: file over-write) data)
content (!.use (:: file content) [])
_ (!.use (:: file delete) [])]
(wrap (:: binary.equivalence = data content))))]
(_.assert "Can write/read files."
(try.default #0 result)))))
(def: #export test
Test
(<| (_.context (%.name (name-of /._)))
(do {@ r.monad}
[file-size (|> r.nat (:: @ map (|>> (n.% 100) (n.max 10))))
dataL (_binary.binary file-size)
dataR (_binary.binary file-size)
new-modified (|> r.int (:: @ map (|>> i.abs
truncate-millis
duration.from-millis
instant.absolute)))]
($_ _.and
(creation-and-deletion 0)
(read-and-write 1 dataL)
(wrap (do promise.monad
[#let [path "temp_file_2"]
result (promise.future
(do (try.with io.monad)
[file (!.use (:: /.system create-file) path)
_ (!.use (:: file over-write) dataL)
read-size (!.use (:: file size) [])
_ (!.use (:: file delete) [])]
(wrap (n.= file-size read-size))))]
(_.assert "Can read file size."
(try.default #0 result))))
(wrap (do promise.monad
[#let [path "temp_file_3"]
result (promise.future
(do (try.with io.monad)
[file (!.use (:: /.system create-file) path)
_ (!.use (:: file over-write) dataL)
_ (!.use (:: file append) dataR)
content (!.use (:: file content) [])
read-size (!.use (:: file size) [])
_ (!.use (:: file delete) [])]
(wrap (and (n.= (n.* 2 file-size) read-size)
(:: binary.equivalence =
dataL
(try.assume (binary.slice 0 (dec file-size) content)))
(:: binary.equivalence =
dataR
(try.assume (binary.slice file-size (dec read-size) content)))))))]
(_.assert "Can append to files."
(try.default #0 result))))
(wrap (do promise.monad
[#let [path "temp_dir_4"]
result (promise.future
(do (try.with io.monad)
[#let [check-existence! (: (IO (Try Bit))
(try.lift io.monad (/.exists? io.monad /.system path)))]
pre! check-existence!
dir (!.use (:: /.system create-directory) path)
post! check-existence!
_ (!.use (:: dir discard) [])
remains? check-existence!]
(wrap (and (not pre!)
post!
(not remains?)))))]
(_.assert "Can create/delete directories."
(try.default #0 result))))
(wrap (do promise.monad
[#let [file-path "temp_file_5"
dir-path "temp_dir_5"]
result (promise.future
(do (try.with io.monad)
[dir (!.use (:: /.system create-directory) dir-path)
file (!.use (:: /.system create-file) (format dir-path "/" file-path))
_ (!.use (:: file over-write) dataL)
read-size (!.use (:: file size) [])
_ (!.use (:: file delete) [])
_ (!.use (:: dir discard) [])]
(wrap (n.= file-size read-size))))]
(_.assert "Can create files inside of directories."
(try.default #0 result))))
(wrap (do promise.monad
[#let [file-path "temp_file_6"
dir-path "temp_dir_6"
inner-dir-path "inner_temp_dir_6"]
result (promise.future
(do (try.with io.monad)
[dir (!.use (:: /.system create-directory) dir-path)
pre-files (!.use (:: dir files) [])
pre-directories (!.use (:: dir directories) [])
file (!.use (:: /.system create-file) (format dir-path "/" file-path))
inner-dir (!.use (:: /.system create-directory) (format dir-path "/" inner-dir-path))
post-files (!.use (:: dir files) [])
post-directories (!.use (:: dir directories) [])
_ (!.use (:: file delete) [])
_ (!.use (:: inner-dir discard) [])
_ (!.use (:: dir discard) [])]
(wrap (and (and (n.= 0 (list.size pre-files))
(n.= 0 (list.size pre-directories)))
(and (n.= 1 (list.size post-files))
(n.= 1 (list.size post-directories)))))))]
(_.assert "Can list files/directories inside a directory."
(try.default #0 result))))
(wrap (do promise.monad
[#let [path "temp_file_7"]
result (promise.future
(do (try.with io.monad)
[file (!.use (:: /.system create-file) path)
_ (!.use (:: file over-write) dataL)
_ (!.use (:: file modify) new-modified)
old-modified (!.use (:: file last-modified) [])
_ (!.use (:: file delete) [])]
(wrap (:: instant.equivalence = new-modified old-modified))))]
(_.assert "Can change the time of last modification."
(try.default #0 result))))
(wrap (do promise.monad
[#let [path0 (format "temp_file_8+0")
path1 (format "temp_file_8+1")]
result (promise.future
(do (try.with io.monad)
[#let [check-existence! (: (-> Path (IO (Try Bit)))
(|>> (/.exists? io.monad /.system)
(try.lift io.monad)))]
file0 (!.use (:: /.system create-file) path0)
_ (!.use (:: file0 over-write) dataL)
pre! (check-existence! path0)
file1 (: (IO (Try (File IO))) ## TODO: Remove :
(!.use (:: file0 move) path1))
post! (check-existence! path0)
confirmed? (check-existence! path1)
_ (!.use (:: file1 delete) [])]
(wrap (and pre!
(not post!)
confirmed?))))]
(_.assert "Can move a file from one path to another."
(try.default #0 result))))
))))
|
