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|
(.module:
[library
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
["." predicate]]
[control
[pipe (#+ case>)]
[io (#+ IO)]
["." maybe ("#\." functor)]
["." try ("#\." functor)]
["." exception]
[concurrency
["." async (#+ Async)]]]
[data
["." text ("#\." equivalence)
["%" format (#+ format)]
[encoding
["." utf8 ("#\." codec)]]]
["." binary (#+ Binary) ("#\." equivalence monoid)
["$#" \\test]]
[collection
["." list]]]
[math
["." random]
[number
["n" nat]]]
[time
["." instant (#+ Instant) ("#\." equivalence)]]]]
[\\library
["." /]])
(def: (for_path fs)
(-> (IO (/.System Async)) Test)
(<| (_.for [/.Path])
(do {! random.monad}
[parent (random.ascii/numeric 2)
child (random.ascii/numeric 2)])
in
(do async.monad
[fs (async.future fs)]
($_ _.and'
(_.cover' [/.rooted]
(let [path (/.rooted fs parent child)]
(and (text.starts_with? parent path)
(text.ends_with? child path))))
(_.cover' [/.parent]
(|> (/.rooted fs parent child)
(/.parent fs)
(maybe\each (text\= parent))
(maybe.else false)))
(_.cover' [/.name]
(|> (/.rooted fs parent child)
(/.name fs)
(text\= child)))
))))
(def: (directory?&make_directory fs parent)
(-> (/.System Async) /.Path (Async Bit))
(do async.monad
[directory_pre! (\ fs directory? parent)
made? (\ fs make_directory parent)
directory_post! (\ fs directory? parent)]
(in (and (not directory_pre!)
(case made?
(#try.Success _) true
(#try.Failure _) false)
directory_post!))))
(def: (file?&write fs content path)
(-> (/.System Async) Binary /.Path (Async Bit))
(do async.monad
[file_pre! (\ fs file? path)
made? (\ fs write content path)
file_post! (\ fs file? path)]
(in (and (not file_pre!)
(case made?
(#try.Success _) true
(#try.Failure _) false)
file_post!))))
(def: (file_size&read&append fs expected_file_size content appendix path)
(-> (/.System Async) Nat Binary Binary /.Path (Async Bit))
(do async.monad
[pre_file_size (\ fs file_size path)
pre_content (\ fs read path)
appended? (\ fs append appendix path)
post_file_size (\ fs file_size path)
post_content (\ fs read path)]
(in (<| (try.else false)
(do {! try.monad}
[pre_file_size!
(\ ! each (n.= expected_file_size) pre_file_size)
pre_content!
(\ ! each (binary\= content) pre_content)
_ appended?
post_file_size!
(\ ! each (n.= (n.* 2 expected_file_size)) post_file_size)
post_content!
(\ ! each (binary\= (binary\composite content appendix)) post_content)]
(in (and pre_file_size!
pre_content!
post_file_size!
post_content!)))))))
(def: (modified?&last_modified fs expected_time path)
(-> (/.System Async) Instant /.Path (Async Bit))
(do async.monad
[modified? (\ fs modify expected_time path)
last_modified (\ fs last_modified path)]
(in (<| (try.else false)
(do {! try.monad}
[_ modified?]
(\ ! each (instant\= expected_time) last_modified))))))
(def: (directory_files&sub_directories fs parent sub_dir child)
(-> (/.System Async) /.Path /.Path /.Path (Async Bit))
(let [sub_dir (/.rooted fs parent sub_dir)
child (/.rooted fs parent child)]
(do async.monad
[made_sub? (\ fs make_directory sub_dir)
directory_files (\ fs directory_files parent)
sub_directories (\ fs sub_directories parent)
.let [(^open "list\.") (list.equivalence text.equivalence)]]
(in (<| (try.else false)
(do try.monad
[_ made_sub?]
(in (and (|> directory_files
(try\each (list\= (list child)))
(try.else false))
(|> sub_directories
(try\each (list\= (list sub_dir)))
(try.else false))))))))))
(def: (move&delete fs parent child alternate_child)
(-> (/.System Async) /.Path Text Text (Async Bit))
(let [origin (/.rooted fs parent child)
destination (/.rooted fs parent alternate_child)]
(do {! async.monad}
[moved? (\ fs move destination origin)
lost? (|> origin
(\ fs file?)
(\ ! each not))
found? (\ fs file? destination)
deleted? (\ fs delete destination)]
(in (<| (try.else false)
(do try.monad
[_ moved?
_ deleted?]
(in (and lost?
found?))))))))
(def: (for_system fs)
(-> (IO (/.System Async)) Test)
(<| (do {! random.monad}
[parent (random.ascii/numeric 2)
child (random.ascii/numeric 2)
sub_dir (random.only (|>> (text\= child) not)
(random.ascii/numeric 2))
alternate_child (random.only (predicate.and
(|>> (text\= child) not)
(|>> (text\= sub_dir) not))
(random.ascii/numeric 2))
expected_file_size (\ ! each (|>> (n.% 10) ++) random.nat)
content ($binary.random expected_file_size)
appendix ($binary.random expected_file_size)
expected_time random.instant])
in
(do {! async.monad}
[fs (async.future fs)
.let [path (/.rooted fs parent child)]
directory?&make_directory
(..directory?&make_directory fs parent)
file?&write
(..file?&write fs content path)
file_size&read&append
(..file_size&read&append fs expected_file_size content appendix path)
modified?&last_modified
(..modified?&last_modified fs expected_time path)
can_execute?
(|> path
(\ fs can_execute?)
(\ ! each (|>> (try.else true) not)))
directory_files&sub_directories
(..directory_files&sub_directories fs parent sub_dir child)
move&delete
(..move&delete fs parent child alternate_child)])
(_.cover' [/.System]
(and directory?&make_directory
file?&write
file_size&read&append
modified?&last_modified
can_execute?
directory_files&sub_directories
move&delete))))
(def: (make_directories&cannot_make_directory fs)
(-> (IO (/.System Async)) Test)
(<| (do {! random.monad}
[dir/0 (random.ascii/numeric 2)
dir/1 (random.ascii/numeric 2)
dir/2 (random.ascii/numeric 2)])
in
(do {! async.monad}
[fs (async.future fs)
.let [dir/1 (/.rooted fs dir/0 dir/1)
dir/2 (/.rooted fs dir/1 dir/2)]
pre_dir/0 (\ fs directory? dir/0)
pre_dir/1 (\ fs directory? dir/1)
pre_dir/2 (\ fs directory? dir/2)
made? (/.make_directories ! fs dir/2)
post_dir/0 (\ fs directory? dir/0)
post_dir/1 (\ fs directory? dir/1)
post_dir/2 (\ fs directory? dir/2)
cannot_make_directory!/0 (/.make_directories ! fs "")
cannot_make_directory!/1 (/.make_directories ! fs (\ fs separator))])
($_ _.and'
(_.cover' [/.make_directories]
(and (not pre_dir/0)
(not pre_dir/1)
(not pre_dir/2)
(case made?
(#try.Success _) true
(#try.Failure _) false)
post_dir/0
post_dir/1
post_dir/2))
(_.cover' [/.cannot_make_directory]
(and (case cannot_make_directory!/0
(#try.Success _)
false
(#try.Failure error)
(exception.match? /.cannot_make_directory error))
(case cannot_make_directory!/1
(#try.Success _)
false
(#try.Failure error)
(exception.match? /.cannot_make_directory error))))
)))
(def: (make_file&cannot_make_file fs)
(-> (IO (/.System Async)) Test)
(<| (do {! random.monad}
[file/0 (random.ascii/numeric 3)])
in
(do {! async.monad}
[fs (async.future fs)
make_file!/0 (/.make_file ! fs (utf8\encoded file/0) file/0)
make_file!/1 (/.make_file ! fs (utf8\encoded file/0) file/0)])
($_ _.and'
(_.cover' [/.make_file]
(case make_file!/0
(#try.Success _) true
(#try.Failure error) false))
(_.cover' [/.cannot_make_file]
(case make_file!/1
(#try.Success _)
false
(#try.Failure error)
(exception.match? /.cannot_make_file error)))
)))
(def: (for_utilities fs)
(-> (IO (/.System Async)) Test)
($_ _.and
(..make_directories&cannot_make_directory fs)
(..make_file&cannot_make_file fs)
))
(def: (exists? fs)
(-> (IO (/.System Async)) Test)
(<| (do {! random.monad}
[file (random.ascii/numeric 2)
dir (random.only (|>> (text\= file) not)
(random.ascii/numeric 2))])
in
(do {! async.monad}
[fs (async.future fs)
pre_file/0 (\ fs file? file)
pre_file/1 (/.exists? ! fs file)
pre_dir/0 (\ fs directory? dir)
pre_dir/1 (/.exists? ! fs dir)
made_file? (/.make_file ! fs (utf8\encoded file) file)
made_dir? (\ fs make_directory dir)
post_file/0 (\ fs file? file)
post_file/1 (/.exists? ! fs file)
post_dir/0 (\ fs directory? dir)
post_dir/1 (/.exists? ! fs dir)])
(_.cover' [/.exists?]
(and (not pre_file/0)
(not pre_file/1)
(not pre_dir/0)
(not pre_dir/1)
(case made_file?
(#try.Success _) true
(#try.Failure _) false)
(case made_dir?
(#try.Success _) true
(#try.Failure _) false)
post_file/0
post_file/1
post_dir/0
post_dir/1))))
(def: .public (spec fs)
(-> (IO (/.System Async)) Test)
($_ _.and
(..for_path fs)
(..for_utilities fs)
(..for_system fs)
(..exists? fs)
))
|
