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|
(.module:
[library
[lux (#- char)
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
[\\specification
["$." equivalence]
["$." hash]
["$." order]
["$." monoid]]]
[control
pipe]
[data
["." maybe]
[collection
["." list]
["." set]]]
[math
["." random]
[number
["n" nat]]]]]
["." / #_
["#." buffer]
["#." encoding]
["#." format]
["#." regex]
["#." escape]
["#." unicode #_
["#" set]]]
[\\library
["." /]])
(def: bounded_size
(random.Random Nat)
(|> random.nat
(\ random.monad map (|>> (n.% 20) (n.+ 1)))))
(def: size
Test
(do {! random.monad}
[size (\ ! map (n.% 10) random.nat)
sample (random.unicode size)]
($_ _.and
(_.cover [/.size]
(n.= size (/.size sample)))
(_.cover [/.empty?]
(or (/.empty? sample)
(not (n.= 0 size)))))))
(def: affix
Test
(do {! random.monad}
[inner (random.unicode 1)
outer (random.only (|>> (\ /.equivalence = inner) not)
(random.unicode 1))
left (random.unicode 1)
right (random.unicode 1)
#let [full (\ /.monoid compose inner outer)
fake_index (dec 0)]]
(`` ($_ _.and
(~~ (template [<affix> <predicate>]
[(_.cover [<affix> <predicate>]
(<predicate> outer (<affix> outer inner)))]
[/.prefix /.starts_with?]
[/.suffix /.ends_with?]
[/.enclose' /.encloses?]
))
(_.cover [/.enclose]
(let [value (/.enclose [left right] inner)]
(and (/.starts_with? left value)
(/.ends_with? right value))))
(_.cover [/.format]
(let [sample (/.format inner)]
(and (/.encloses? /.double_quote sample)
(/.contains? inner sample))))
))))
(def: index
Test
(do {! random.monad}
[inner (random.unicode 1)
outer (random.only (|>> (\ /.equivalence = inner) not)
(random.unicode 1))
#let [fake_index (dec 0)]]
($_ _.and
(_.cover [/.contains?]
(let [full (\ /.monoid compose inner outer)]
(and (/.contains? inner full)
(/.contains? outer full))))
(_.cover [/.index_of]
(and (|> (/.index_of inner (\ /.monoid compose inner outer))
(maybe.default fake_index)
(n.= 0))
(|> (/.index_of outer (\ /.monoid compose inner outer))
(maybe.default fake_index)
(n.= 1))))
(_.cover [/.index_of']
(let [full (\ /.monoid compose inner outer)]
(and (|> (/.index_of' inner 0 full)
(maybe.default fake_index)
(n.= 0))
(|> (/.index_of' inner 1 full)
(maybe.default fake_index)
(n.= fake_index))
(|> (/.index_of' outer 0 full)
(maybe.default fake_index)
(n.= 1))
(|> (/.index_of' outer 1 full)
(maybe.default fake_index)
(n.= 1))
(|> (/.index_of' outer 2 full)
(maybe.default fake_index)
(n.= fake_index)))))
(_.cover [/.last_index_of]
(let [full ($_ (\ /.monoid compose) outer inner outer)]
(and (|> (/.last_index_of inner full)
(maybe.default fake_index)
(n.= 1))
(|> (/.last_index_of outer full)
(maybe.default fake_index)
(n.= 2)))))
(_.cover [/.last_index_of']
(let [full ($_ (\ /.monoid compose) outer inner outer)]
(and (|> (/.last_index_of' inner 0 full)
(maybe.default fake_index)
(n.= 1))
(|> (/.last_index_of' inner 2 full)
(maybe.default fake_index)
(n.= fake_index))
(|> (/.last_index_of' outer 0 full)
(maybe.default fake_index)
(n.= 2))
(|> (/.last_index_of' outer 2 full)
(maybe.default fake_index)
(n.= 2))
(|> (/.last_index_of' outer 3 full)
(maybe.default fake_index)
(n.= fake_index)))))
)))
(def: char
Test
($_ _.and
(_.for [/.Char /.of_code]
(`` ($_ _.and
(~~ (template [<short> <long>]
[(_.cover [<short> <long>]
(\ /.equivalence = <short> <long>))]
[/.\0 /.null]
[/.\a /.alarm]
[/.\b /.back_space]
[/.\t /.tab]
[/.\n /.new_line]
[/.\v /.vertical_tab]
[/.\f /.form_feed]
[/.\r /.carriage_return]
[/.\'' /.double_quote]))
(_.cover [/.line_feed]
(\ /.equivalence = /.new_line /.line_feed))
)))
(do {! random.monad}
[size (\ ! map (|>> (n.% 10) inc) random.nat)
characters (random.set /.hash size (random.ascii/alpha 1))
#let [sample (|> characters set.to_list /.concat)]
expected (\ ! map (n.% size) random.nat)]
(_.cover [/.nth]
(case (/.nth expected sample)
(#.Some char)
(case (/.index_of (/.of_code char) sample)
(#.Some actual)
(n.= expected actual)
_
false)
#.None
false)))
(_.cover [/.space /.space?]
(`` (and (~~ (template [<char>]
[(/.space? (`` (.char (~~ (static <char>)))))]
[/.tab]
[/.vertical_tab]
[/.space]
[/.new_line]
[/.carriage_return]
[/.form_feed]
)))))
))
(def: manipulation
Test
(do {! random.monad}
[size (\ ! map (|>> (n.% 10) (n.+ 2)) random.nat)
characters (random.set /.hash size (random.ascii/alpha 1))
separator (random.only (|>> (set.member? characters) not)
(random.ascii/alpha 1))
#let [with_no_separator (|> characters set.to_list /.concat)]
static (random.ascii/alpha 1)
#let [dynamic (random.only (|>> (\ /.equivalence = static) not)
(random.ascii/alpha 1))]
pre dynamic
post dynamic
lower (random.ascii/lower 1)
upper (random.ascii/upper 1)]
($_ _.and
(_.cover [/.concat]
(n.= (set.size characters)
(/.size (/.concat (set.to_list characters)))))
(_.cover [/.join_with /.split_all_with]
(and (|> (set.to_list characters)
(/.join_with separator)
(/.split_all_with separator)
(set.of_list /.hash)
(\ set.equivalence = characters))
(\ /.equivalence =
(/.concat (set.to_list characters))
(/.join_with "" (set.to_list characters)))))
(_.cover [/.replace_once]
(\ /.equivalence =
(\ /.monoid compose post static)
(/.replace_once pre post (\ /.monoid compose pre static))))
(_.cover [/.split_with]
(case (/.split_with static ($_ (\ /.monoid compose) pre static post))
(#.Some [left right])
(and (\ /.equivalence = pre left)
(\ /.equivalence = post right))
#.None
false))
(_.cover [/.lower_case]
(let [effectiveness!
(|> upper
/.lower_case
(\ /.equivalence = upper)
not)
idempotence!
(|> lower
/.lower_case
(\ /.equivalence = lower))
inverse!
(|> lower
/.upper_case
/.lower_case
(\ /.equivalence = lower))]
(and effectiveness!
idempotence!
inverse!)))
(_.cover [/.upper_case]
(let [effectiveness!
(|> lower
/.upper_case
(\ /.equivalence = lower)
not)
idempotence!
(|> upper
/.upper_case
(\ /.equivalence = upper))
inverse!
(|> upper
/.lower_case
/.upper_case
(\ /.equivalence = upper))]
(and effectiveness!
idempotence!
inverse!)))
)))
(def: #export test
Test
(<| (_.covering /._)
(_.for [.Text])
($_ _.and
(_.for [/.equivalence]
($equivalence.spec /.equivalence (random.ascii 2)))
(_.for [/.hash]
(|> (random.ascii 1)
($hash.spec /.hash)))
(_.for [/.order]
($order.spec /.order (random.ascii 2)))
(_.for [/.monoid]
($monoid.spec /.equivalence /.monoid (random.ascii 2)))
..size
..affix
..index
..char
..manipulation
(do random.monad
[sizeL bounded_size
sizeR bounded_size
sampleL (random.unicode sizeL)
sampleR (random.unicode sizeR)
middle (random.unicode 1)
#let [sample (/.concat (list sampleL sampleR))
(^open "/\.") /.equivalence]]
($_ _.and
(_.cover [/.split]
(|> (/.split sizeL sample)
(case> (#.Right [_l _r])
(and (/\= sampleL _l)
(/\= sampleR _r)
(/\= sample (/.concat (list _l _r))))
_
#0)))
(_.cover [/.clip /.clip']
(|> [(/.clip 0 sizeL sample)
(/.clip sizeL (n.- sizeL (/.size sample)) sample)
(/.clip' sizeL sample)
(/.clip' 0 sample)]
(case> [(#.Right _l) (#.Right _r) (#.Right _r') (#.Right _f)]
(and (/\= sampleL _l)
(/\= sampleR _r)
(/\= _r _r')
(/\= sample _f))
_
#0)))
))
(do {! random.monad}
[sizeP bounded_size
sizeL bounded_size
#let [## The wider unicode charset includes control characters that
## can make text replacement work improperly.
## Because of that, I restrict the charset.
normal_char_gen (|> random.nat (\ ! map (|>> (n.% 128) (n.max 1))))]
sep1 (random.text normal_char_gen 1)
sep2 (random.text normal_char_gen 1)
#let [part_gen (|> (random.text normal_char_gen sizeP)
(random.only (|>> (/.contains? sep1) not)))]
parts (random.list sizeL part_gen)
#let [sample1 (/.concat (list.interpose sep1 parts))
sample2 (/.concat (list.interpose sep2 parts))
(^open "/\.") /.equivalence]]
(_.cover [/.replace_all]
(/\= sample2
(/.replace_all sep1 sep2 sample1))))
/buffer.test
/encoding.test
/format.test
/regex.test
/escape.test
/unicode.test
)))
|
