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|
(.require
[library
[lux (.except)
[abstract
[monad (.only do)]]
[control
["[0]" try (.only Try) (.use "[1]#[0]" functor)]
["[0]" exception]
["[0]" io (.only IO)]
[concurrency
["[0]" async (.only Async) (.use "[1]#[0]" monad)]]]
[data
["[0]" product]
["[0]" text (.use "[1]#[0]" equivalence)
["%" \\format (.only format)]]
[collection
["[0]" list]]]
[math
["[0]" random]
[number
["n" nat]
["i" int]]]
[test
["_" property (.only Test)]
["[0]" unit]]]]
[\\library
["[0]" / (.only)
[//
[file (.only Path)]
["[0]" environment
["[1]" \\parser (.only Environment)]]]]])
(with_template [<name> <command> <type> <prep>]
[(def <name>
(-> <type> [Environment Path /.Command (List /.Argument)])
(|>> <prep> list [environment.empty "~" <command>]))]
[echo! "echo" Text (|>)]
[sleep! "sleep" Nat %.nat]
)
(def (can_wait! process)
(-> (/.Process Async) unit.Test)
(|> (of process await [])
(async#each (|>> (try#each (i.= /.normal))
(try.else false)
(unit.coverage [/.Exit /.normal])))
async#conjoint))
(def (can_read! expected process)
(-> Text (/.Process Async) (Async Bit))
(|> (of process read [])
(async#each (|>> (try#each (text#= expected))
(try.else false)))))
(def (can_destroy! process)
(-> (/.Process Async) (Async Bit))
(do async.monad
[?destroy (of process destroy [])
?await (of process await [])]
(in (and (when ?destroy
{try.#Success _}
true
{try.#Failure error}
false)
(when ?await
{try.#Success _}
false
{try.#Failure error}
true)))))
(with_expansions [<shell_coverage> (these [/.Command /.Argument])]
(def .public (spec shell)
(-> (/.Shell Async)
Test)
(<| (_.for [/.Shell
/.execute
/.Process
/.read /.fail /.write /.destroy /.await])
(do [! random.monad]
[message (random.alphabetic 10)
seconds (of ! each (|>> (n.% 5) (n.+ 5)) random.nat)]
(in (do [! async.monad]
[?echo (of shell execute (..echo! message))
?sleep (of shell execute (..sleep! seconds))]
(when [?echo ?sleep]
[{try.#Success echo} {try.#Success sleep}]
(do !
[can_read! (..can_read! message echo)
can_destroy! (..can_destroy! sleep)]
(all unit.and
(unit.coverage <shell_coverage>
(and can_read!
can_destroy!))
(..can_wait! echo)
))
_
(unit.coverage <shell_coverage>
false))))))))
(exception.def dead)
(def (mock [environment working_directory command arguments])
(-> [Environment Path /.Command (List /.Argument)]
(/.Mock Bit))
(implementation
(def (on_read dead?)
(if dead?
(exception.except ..dead [])
(do try.monad
[echo (try.of_maybe (list.head arguments))]
(in [dead? echo]))))
(def (on_fail dead?)
(if dead?
(exception.except ..dead [])
{try.#Success [dead? ""]}))
(def (on_write message dead?)
(if dead?
(exception.except ..dead [])
{try.#Success dead?}))
(def (on_destroy dead?)
(if dead?
(exception.except ..dead [])
{try.#Success true}))
(def (on_await dead?)
(if dead?
(exception.except ..dead [])
{try.#Success [true /.normal]}))))
(def (io_shell command oops input destruction exit)
(-> /.Command Text Text Text /.Exit (/.Shell IO))
(implementation
(def (execute [environment working_directory command arguments])
(<| io.io
{try.#Success}
(is (/.Process IO))
(implementation
(def (read _)
(io.io {try.#Success command}))
(def (fail _)
(io.io {try.#Success oops}))
(def (write message)
(io.io {try.#Failure message}))
(def (destroy _)
(io.io {try.#Failure destruction}))
(def (await _)
(io.io {try.#Success exit})))))))
(def .public test
Test
(<| (_.covering /._)
(all _.and
(_.for [/.Mock /.mock
/.on_read /.on_fail /.on_write /.on_destroy /.on_await
/.async]
(..spec (/.async (/.mock (|>> ..mock {try.#Success})
false))))
(_.coverage [/.error]
(not (i.= /.normal /.error)))
(do random.monad
[command (random.alphabetic 5)
oops (random.alphabetic 5)
input (random.alphabetic 5)
destruction (random.alphabetic 5)
exit random.int
.let [shell (/.async (..io_shell command oops input destruction exit))]]
(in (do [! async.monad]
[verdict (do (try.with !)
[process (of shell execute [environment.empty "~" command (list)])
read (of process read [])
failure (of process fail [])
wrote! (do !
[write (of process write input)]
(in {try.#Success (when write
{try.#Success _}
false
{try.#Failure write}
(text#= input write))}))
destroyed! (do !
[destroy (of process destroy [])]
(in {try.#Success (when destroy
{try.#Success _}
false
{try.#Failure destroy}
(text#= destruction destroy))}))
await (of process await [])]
(in (and (text#= command read)
(text#= oops failure)
wrote!
destroyed!
(i.= exit await))))]
(unit.coverage [/.Shell]
(try.else false verdict)))))
)))
|
