78 lines
2.6 KiB
Haskell
78 lines
2.6 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Main (main) where
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import Test.QuickCheck (Gen, Arbitrary(..), choose)
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import Test.HUnit (Assertion,(@?=))
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import Test.Framework (defaultMain, testGroup, Test)
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import Test.Framework.Providers.QuickCheck2 (testProperty)
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import Test.Framework.Providers.HUnit (testCase)
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import Data.ByteString (ByteString)
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import Data.Either.Combinators
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import Colonnade.Types
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import Data.Functor.Identity
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import Data.Functor.Contravariant (contramap)
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import Data.Functor.Contravariant.Divisible (divided,conquered)
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import qualified Data.ByteString.Builder as Builder
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import qualified Data.ByteString.Lazy as LByteString
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import qualified Data.ByteString as ByteString
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import qualified Data.ByteString.Char8 as BC8
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import qualified Colonnade.Decoding as Decoding
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import qualified Colonnade.Encoding as Encoding
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import qualified Colonnade.Decoding.ByteString.Char8 as CDB
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import qualified Colonnade.Encoding.ByteString.Char8 as CEB
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import qualified Siphon.Encoding as SE
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import qualified Siphon.Decoding as SD
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import qualified Siphon.Content as SC
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import qualified Pipes.Prelude as Pipes
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import Pipes
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main :: IO ()
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main = defaultMain tests
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tests :: [Test]
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tests =
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[ testGroup "ByteString encode/decode"
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[ testCase "Headless Encoding (int,char,bool)" testEncodingA
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, testProperty "Headless Isomorphism (int,char,bool)"
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$ propIsoPipe $
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(SE.pipe SC.byteStringChar8 encodingA)
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>->
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(void $ SD.headlessPipe SC.byteStringChar8 decodingA)
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]
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]
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decodingA :: Decoding Headless ByteString (Int,Char,Bool)
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decodingA = (,,)
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<$> Decoding.headless CDB.int
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<*> Decoding.headless CDB.char
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<*> Decoding.headless CDB.bool
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encodingA :: Encoding Headless ByteString (Int,Char,Bool)
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encodingA = contramap tripleToPairs
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$ divided (Encoding.headless CEB.int)
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$ divided (Encoding.headless CEB.char)
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$ divided (Encoding.headless CEB.bool)
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$ conquered
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tripleToPairs :: (a,b,c) -> (a,(b,(c,())))
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tripleToPairs (a,b,c) = (a,(b,(c,())))
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propIsoPipe :: Eq a => Pipe a a Identity () -> [a] -> Bool
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propIsoPipe p as = (Pipes.toList $ each as >-> p) == as
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testEncodingA :: Assertion
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testEncodingA =
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( ByteString.concat $ Pipes.toList $
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Pipes.yield (4,'c',False) >-> SE.pipe SC.byteStringChar8 encodingA
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) @?= "4,c,false\n"
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propEncodeDecodeIso :: Eq a => (a -> b) -> (b -> Maybe a) -> a -> Bool
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propEncodeDecodeIso f g a = g (f a) == Just a
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propMatching :: Eq b => (a -> b) -> (a -> b) -> a -> Bool
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propMatching f g a = f a == g a
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