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{-# LANGUAGE OverloadedStrings, QuasiQuotes #-}
import Data.Conduit.Process
import System.Process.QQ
import Control.Monad.Trans.Resource (runResourceT)
import qualified Data.ByteString.Lazy.Char8 as L
import Data.Conduit
import qualified Data.Conduit.Binary as CB
import Test.Hspec
main :: IO ()
main = hspec $ do
describe "process conduit" $ do
it "get process's output" $ do
r <- runResourceT $ sourceCmd "echo abc def" $$ CB.take (10^9)
L.words r `shouldBe` ["abc", "def"]
it "act as conduit" $ do
r <- runResourceT $
sourceProcess (proc "echo" ["zxc\nasd\nqwe"])
$$ conduitCmd "sort"
=$ CB.take (10^9)
L.words r `shouldBe` ["asd", "qwe", "zxc"]
describe "quasiquoter" $ do
it "get process's output" $ do
r <- [cmd|echo abc def|]
L.words r `shouldBe` ["abc", "def"]
it "act as conduit" $ do
r <- runResourceT $
sourceProcess (proc "echo" ["zxc\nasd\nqwe"])
$$ [ccmd|sort|]
=$ CB.take (10^9)
L.words r `shouldBe` ["asd", "qwe", "zxc"]
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