mirror of
https://github.com/byteverse/colonnade.git
synced 2024-09-11 06:45:41 +03:00
make tests pass again
This commit is contained in:
Andrew Martin
parent
03e9e3734b
commit
fb6064b79f
@ -18,11 +18,10 @@ library
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Siphon
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Siphon.Types
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build-depends:
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base >= 4.7 && < 5
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base >= 4.9 && < 5
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, colonnade >= 1.1 && < 1.2
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, text
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, bytestring
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, contravariant
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, vector
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, streaming
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, attoparsec
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@ -30,9 +29,9 @@ library
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default-language: Haskell2010
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test-suite siphon-test
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type: exitcode-stdio-1.0
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hs-source-dirs: test
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main-is: Test.hs
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type: exitcode-stdio-1.0
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hs-source-dirs: test
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main-is: Test.hs
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build-depends:
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base
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, either
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@ -48,9 +47,9 @@ test-suite siphon-test
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, HUnit
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, test-framework-hunit
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, profunctors
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ghc-options: -threaded -rtsopts -with-rtsopts=-N
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default-language: Haskell2010
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, streaming
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default-language: Haskell2010
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source-repository head
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type: git
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type: git
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location: https://github.com/andrewthad/colonnade
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@ -9,8 +9,12 @@ module Siphon
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( Siphon
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, SiphonError
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, Indexed(..)
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, decodeHeadedChar8Csv
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, decodeHeadedUtf8Csv
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, encodeHeadedUtf8Csv
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, humanizeSiphonError
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, headed
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, headless
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, indexed
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) where
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import Siphon.Types
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@ -34,6 +38,8 @@ import qualified Streaming as SM
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import qualified Streaming.Prelude as SMP
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import qualified Data.Attoparsec.Types as ATYP
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import qualified Colonnade.Encode as CE
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import qualified Data.Vector.Mutable as MV
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import Control.Monad.Trans.Class
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import Data.ByteString.Builder (toLazyByteString,byteString)
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@ -43,73 +49,90 @@ import Data.Vector (Vector)
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import Data.ByteString (ByteString)
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import Data.Coerce (coerce)
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import Data.Char (chr)
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import Data.Text.Encoding (decodeUtf8')
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import Streaming (Stream,Of(..))
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import Data.Vector.Mutable (MVector)
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import Control.Monad.ST
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newtype Escaped c = Escaped { getEscaped :: c }
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data Ended = EndedYes | EndedNo
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deriving (Show)
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data CellResult c = CellResultData !c | CellResultNewline !Ended
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deriving (Show)
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decodeHeadedChar8Csv :: Monad m
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decodeHeadedUtf8Csv :: Monad m
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=> Siphon CE.Headed ByteString a
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-> Stream (Of ByteString) m () -- ^ encoded csv
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-> Stream (Of a) m (Maybe (SiphonError ByteString))
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decodeHeadedChar8Csv headedSiphon s1 = do
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e <- lift (consumeHeaderRowChar8 s1)
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-> Stream (Of a) m (Maybe SiphonError)
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decodeHeadedUtf8Csv headedSiphon s1 = do
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e <- lift (consumeHeaderRowUtf8 s1)
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case e of
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Left err -> return (Just err)
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Right (v :> s2) -> case headedToIndexed v headedSiphon of
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Right (v :> s2) -> case headedToIndexed utf8ToStr v headedSiphon of
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Left err -> return (Just err)
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Right ixedSiphon -> do
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let requiredLength = V.length v
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consumeBodyChar8 1 requiredLength ixedSiphon s2
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consumeBodyUtf8 1 requiredLength ixedSiphon s2
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encodeHeadedChar8Csv :: Monad m
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=> Colonnade CE.Headed ByteString a
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encodeHeadedUtf8Csv :: Monad m
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=> CE.Colonnade CE.Headed a ByteString
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-> Stream (Of a) m r
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-> Stream (Of ByteString) m r
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encodeHeadedChar8Csv headedSiphon s1 = do
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yield (header siphon encoding)
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pipe siphon encoding
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encodeHeadedUtf8Csv =
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encodeHeadedCsv escapeChar8 (B.singleton comma) (B.singleton newline)
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encodeGeneralCsv :: Monad m
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encodeHeadedCsv :: Monad m
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=> (c -> Escaped c)
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-> c -- ^ separator
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-> Colonnade f a c
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-> c -- ^ newline
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-> CE.Colonnade CE.Headed a c
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-> Stream (Of a) m r
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-> Stream (Of c) m r
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encodeGeneralCsv escapeFunc separatorStr colonnade = do
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Pipes.map (row siphon encoding)
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encodeHeadedCsv escapeFunc separatorStr newlineStr colonnade s = do
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encodeHeader escapeFunc separatorStr newlineStr colonnade
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encodeRows escapeFunc separatorStr newlineStr colonnade s
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encodeHeader :: Siphon c -> Colonnade Headed a c -> c
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encodeHeader :: Monad m
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=> (c -> Escaped c)
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-> c -- ^ separator
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-> Colonnade f a c
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-> Stream (Of c) m r
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encodeHeader escapeFunc separatorStr colonnade = SMP.mapM_ $ \a -> do
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-> c -- ^ newline
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-> CE.Colonnade CE.Headed a c
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-> Stream (Of c) m ()
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encodeHeader escapeFunc separatorStr newlineStr colonnade = do
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let (vs,ws) = V.splitAt 1 (CE.getColonnade colonnade)
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-- we only need to do this split because the first cell
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-- gets treated differently than the others. It does not
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-- get a separator added before it.
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V.forM_ vs $ \(CE.OneColonnade _ encode) -> yield (getEscaped (escapeFunc (encode a)))
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V.forM_ ws $ \(CE.OneColonnade _ encode) -> do
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yield separator
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yeied (getEscaped (escapeFunc (encode a)))
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V.forM_ vs $ \(CE.OneColonnade (CE.Headed h) _) -> do
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SMP.yield (getEscaped (escapeFunc h))
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V.forM_ ws $ \(CE.OneColonnade (CE.Headed h) _) -> do
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SMP.yield separatorStr
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SMP.yield (getEscaped (escapeFunc h))
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SMP.yield newlineStr
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encodeRow ::
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mapStreamM :: Monad m
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=> (a -> Stream (Of b) m x)
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-> Stream (Of a) m r
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-> Stream (Of b) m r
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mapStreamM f = SM.concats . SM.mapsM (\(a :> s) -> return (f a >> return s))
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encodeRows :: Monad m
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=> (c -> Escaped c)
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-> c -- ^ separator
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-> Colonnade f a c
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-> c -- ^ newline
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-> CE.Colonnade f a c
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-> Stream (Of a) m r
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-> Stream (Of c) m r
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encodeRow escapeFunc separatorStr colonnade = SMP.mapM_ $ \a -> do
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encodeRows escapeFunc separatorStr newlineStr colonnade = mapStreamM $ \a -> do
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let (vs,ws) = V.splitAt 1 (CE.getColonnade colonnade)
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-- we only need to do this split because the first cell
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-- gets treated differently than the others. It does not
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-- get a separator added before it.
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V.forM_ vs $ \(CE.OneColonnade _ encode) -> yield (getEscaped (escapeFunc (encode a)))
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V.forM_ vs $ \(CE.OneColonnade _ encode) -> SMP.yield (getEscaped (escapeFunc (encode a)))
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V.forM_ ws $ \(CE.OneColonnade _ encode) -> do
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yield separator
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yeied (getEscaped (escapeFunc (encode a)))
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SMP.yield separatorStr
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SMP.yield (getEscaped (escapeFunc (encode a)))
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SMP.yield newlineStr
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data IndexedHeader a = IndexedHeader
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{ indexedHeaderIndexed :: {-# UNPACK #-} !Int
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@ -120,35 +143,36 @@ data IndexedHeader a = IndexedHeader
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-- expected headers into the indices of the columns that they
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-- correspond to.
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headedToIndexed :: forall c a. Eq c
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=> Vector c -- ^ Headers in the source document
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=> (c -> T.Text)
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-> Vector c -- ^ Headers in the source document
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-> Siphon CE.Headed c a -- ^ Decolonnade that contains expected headers
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-> Either (SiphonError c) (Siphon IndexedHeader c a)
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headedToIndexed v =
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-> Either SiphonError (Siphon IndexedHeader c a)
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headedToIndexed toStr v =
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mapLeft (\(HeaderErrors a b c) -> SiphonError 0 (RowErrorHeaders a b c))
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. getEitherWrap
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. go
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where
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go :: forall b.
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Siphon CE.Headed c b
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-> EitherWrap (HeaderErrors c) (Siphon IndexedHeader c b)
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-> EitherWrap HeaderErrors (Siphon IndexedHeader c b)
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go (SiphonPure b) = EitherWrap (Right (SiphonPure b))
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go (SiphonAp (CE.Headed h) decode apNext) =
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let rnext = go apNext
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ixs = V.elemIndices h v
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ixsLen = V.length ixs
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rcurrent
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| ixsLen == 1 = Right (V.unsafeIndex ixs 0)
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| ixsLen == 0 = Left (HeaderErrors V.empty (V.singleton h) V.empty)
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| otherwise =
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let dups = V.singleton (V.map (\ix -> CellError ix (V.unsafeIndex v ix)) ixs)
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| ixsLen == 1 = Right (ixs V.! 0) -- (V.unsafeIndex ixs 0)
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| ixsLen == 0 = Left (HeaderErrors V.empty (V.singleton (toStr h)) V.empty)
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| otherwise =
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let dups = V.singleton (V.map (\ix -> CellError ix (toStr (v V.! ix) {- (V.unsafeIndex v ix) -} )) ixs)
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in Left (HeaderErrors dups V.empty V.empty)
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in (\ix nextSiphon -> SiphonAp (IndexedHeader ix h) decode nextSiphon)
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<$> EitherWrap rcurrent
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<*> rnext
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data HeaderErrors c = HeaderErrors !(Vector (Vector (CellError c))) !(Vector c) !(Vector Int)
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data HeaderErrors = HeaderErrors !(Vector (Vector CellError)) !(Vector T.Text) !(Vector Int)
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instance Monoid (HeaderErrors c) where
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instance Monoid HeaderErrors where
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mempty = HeaderErrors mempty mempty mempty
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mappend (HeaderErrors a1 b1 c1) (HeaderErrors a2 b2 c2) = HeaderErrors
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(mappend a1 a2) (mappend b1 b2) (mappend c1 c2)
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@ -160,15 +184,8 @@ instance Monoid (HeaderErrors c) where
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-- (A.parse (row comma))
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-- B.null
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encodeRow :: Vector (Escaped ByteString) -> ByteString
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encodeRow = id
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. flip B.append (B.singleton newline)
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. B.intercalate (B.singleton comma)
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. V.toList
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. coerce
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escape :: ByteString -> Escaped ByteString
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escape t = case B.find (\c -> c == newline || c == cr || c == comma || c == doubleQuote) t of
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escapeChar8 :: ByteString -> Escaped ByteString
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escapeChar8 t = case B.find (\c -> c == newline || c == cr || c == comma || c == doubleQuote) t of
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Nothing -> Escaped t
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Just _ -> escapeAlways t
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@ -233,7 +250,7 @@ field !delim = do
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-- choice if we see a double quote.
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case mb of
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Just b
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| b == delim -> do
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| b == doubleQuote -> do
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bs <- escapedField delim
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return (CellResultData bs)
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| b == 10 || b == 13 -> do
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@ -260,7 +277,7 @@ escapedField !delim = do
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then Just (not s)
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else if s then Nothing
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else Just False)
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A.skip (== delim)
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A.option () (A.skip (== delim))
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if doubleQuote `S.elem` s
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then case Z.parse unescape s of
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Right r -> return r
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@ -276,7 +293,7 @@ unescapedField !delim =
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c /= newline &&
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c /= delim &&
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c /= cr
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) <* A.skip (== delim)
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) <* A.option () (A.skip (== delim))
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dquote :: AL.Parser Char
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dquote = char '"'
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@ -327,15 +344,15 @@ comma = 44
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-- | This adds one to the index because text editors consider
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-- line number to be one-based, not zero-based.
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humanizeSiphonError :: Eq c => (c -> String) -> SiphonError c -> String
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humanizeSiphonError toStr (SiphonError ix e) = unlines
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humanizeSiphonError :: SiphonError -> String
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humanizeSiphonError (SiphonError ix e) = unlines
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$ ("Decolonnade error on line " ++ show (ix + 1) ++ " of file.")
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: ("Error Category: " ++ descr)
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: map (" " ++) errDescrs
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where (descr,errDescrs) = prettyRowError toStr e
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where (descr,errDescrs) = prettyRowError e
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prettyRowError :: Eq c => (c -> String) -> RowError c -> (String, [String])
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prettyRowError toStr x = case x of
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prettyRowError :: RowError -> (String, [String])
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prettyRowError x = case x of
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RowErrorParse -> (,) "CSV Parsing"
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[ "The cells were malformed."
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]
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@ -352,16 +369,16 @@ prettyRowError toStr x = case x of
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, "There is a mistake in the encoding of the text."
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]
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RowErrorHeaders dupErrs namedErrs unnamedErrs -> (,) "Missing Headers" $ concat
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[ if V.length namedErrs > 0 then prettyNamedMissingHeaders toStr namedErrs else []
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[ if V.length namedErrs > 0 then prettyNamedMissingHeaders namedErrs else []
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, if V.length unnamedErrs > 0 then ["Missing unnamed headers"] else []
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, if V.length dupErrs > 0 then prettyHeadingErrors toStr dupErrs else []
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, if V.length dupErrs > 0 then prettyHeadingErrors dupErrs else []
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]
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RowErrorDecode errs -> (,) "Cell Decolonnade" (prettyCellErrors toStr errs)
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RowErrorDecode errs -> (,) "Cell Decolonnade" (prettyCellErrors errs)
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prettyCellErrors :: (c -> String) -> Vector (CellError c) -> [String]
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prettyCellErrors toStr errs = drop 1 $
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prettyCellErrors :: Vector CellError -> [String]
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prettyCellErrors errs = drop 1 $
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flip concatMap errs $ \(CellError ix content) ->
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let str = toStr content in
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let str = T.unpack content in
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[ "-----------"
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, "Column " ++ columnNumToLetters ix
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, "Cell Content Length: " ++ show (Prelude.length str)
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@ -370,27 +387,26 @@ prettyCellErrors toStr errs = drop 1 $
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else str
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]
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prettyNamedMissingHeaders :: (c -> String) -> Vector c -> [String]
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prettyNamedMissingHeaders conv missing = concat
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[ concatMap (\h -> ["The header " ++ conv h ++ " was missing."]) missing
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prettyNamedMissingHeaders :: Vector T.Text -> [String]
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prettyNamedMissingHeaders missing = concat
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[ concatMap (\h -> ["The header " ++ T.unpack h ++ " was missing."]) missing
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]
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prettyHeadingErrors :: forall c. Eq c
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=> (c -> String) -> Vector (Vector (CellError c)) -> [String]
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prettyHeadingErrors conv missing = join (V.toList (fmap f missing))
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prettyHeadingErrors :: Vector (Vector CellError) -> [String]
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prettyHeadingErrors missing = join (V.toList (fmap f missing))
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where
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f :: Vector (CellError c) -> [String]
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f :: Vector CellError -> [String]
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f v
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| not (V.null w) && V.all (== V.head w) (V.tail w) =
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[ "The header ["
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, conv (V.head w)
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, T.unpack (V.head w)
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, "] appears in columns "
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, L.intercalate ", " (V.toList (V.map (\(CellError ix _) -> columnNumToLetters ix) v))
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]
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| otherwise = multiMsg : V.toList
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(V.map (\(CellError ix content) -> " Column " ++ columnNumToLetters ix ++ ": " ++ conv content) v)
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(V.map (\(CellError ix content) -> " Column " ++ columnNumToLetters ix ++ ": " ++ T.unpack content) v)
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where
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w :: Vector c
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w :: Vector T.Text
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w = V.map cellErrorContent v
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multiMsg :: String
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multiMsg = "Multiple headers matched the same predicate:"
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@ -415,32 +431,37 @@ mapLeft :: (a -> b) -> Either a c -> Either b c
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mapLeft _ (Right a) = Right a
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mapLeft f (Left a) = Left (f a)
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consumeHeaderRowChar8 :: Monad m
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consumeHeaderRowUtf8 :: Monad m
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=> Stream (Of ByteString) m ()
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-> m (Either (SiphonError ByteString) (Of (Vector ByteString) (Stream (Of ByteString) m ())))
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consumeHeaderRowChar8 = consumeHeaderRow (A.parse (field comma)) B.null B.empty (\() -> True)
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-> m (Either SiphonError (Of (Vector ByteString) (Stream (Of ByteString) m ())))
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consumeHeaderRowUtf8 = consumeHeaderRow utf8ToStr (A.parse (field comma)) B.null B.empty (\() -> True)
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consumeBodyChar8 :: forall m a. Monad m
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consumeBodyUtf8 :: forall m a. Monad m
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=> Int -- ^ index of first row, usually zero or one
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-> Int -- ^ Required row length
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-> Siphon IndexedHeader ByteString a
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-> Stream (Of ByteString) m ()
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-> Stream (Of a) m (Maybe (SiphonError ByteString))
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consumeBodyChar8 = consumeBody (A.parse (field comma)) B.null B.empty (\() -> True)
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-> Stream (Of a) m (Maybe SiphonError)
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consumeBodyUtf8 = consumeBody utf8ToStr
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(A.parse (field comma)) B.null B.empty (\() -> True)
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utf8ToStr :: ByteString -> T.Text
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utf8ToStr = either (\_ -> T.empty) id . decodeUtf8'
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consumeHeaderRow :: forall m r c. Monad m
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=> (c -> ATYP.IResult c (CellResult c))
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=> (c -> T.Text)
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-> (c -> ATYP.IResult c (CellResult c))
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-> (c -> Bool) -- ^ true if null string
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-> c
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-> (r -> Bool) -- ^ true if termination is acceptable
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-> Stream (Of c) m r
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-> m (Either (SiphonError c) (Of (Vector c) (Stream (Of c) m r)))
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consumeHeaderRow parseCell isNull emptyStr isGood s0 = go 0 StrictListNil s0
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-> m (Either SiphonError (Of (Vector c) (Stream (Of c) m r)))
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consumeHeaderRow toStr parseCell isNull emptyStr isGood s0 = go 0 StrictListNil s0
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where
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go :: Int
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-> StrictList c
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-> Stream (Of c) m r
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-> m (Either (SiphonError c) (Of (Vector c) (Stream (Of c) m r)))
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-> m (Either SiphonError (Of (Vector c) (Stream (Of c) m r)))
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go !cellsLen !cells !s1 = do
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e <- skipWhile isNull s1
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case e of
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@ -451,7 +472,7 @@ consumeHeaderRow parseCell isNull emptyStr isGood s0 = go 0 StrictListNil s0
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handleResult :: Int -> StrictList c
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-> ATYP.IResult c (CellResult c)
|
||||
-> Stream (Of c) m r
|
||||
-> m (Either (SiphonError c) (Of (Vector c) (Stream (Of c) m r)))
|
||||
-> m (Either SiphonError (Of (Vector c) (Stream (Of c) m r)))
|
||||
handleResult !cellsLen !cells !result s1 = case result of
|
||||
ATYP.Fail _ _ _ -> return $ Left $ SiphonError 0 RowErrorParse
|
||||
ATYP.Done !c1 !res -> case res of
|
||||
@ -469,7 +490,8 @@ consumeHeaderRow parseCell isNull emptyStr isGood s0 = go 0 StrictListNil s0
|
||||
Right (c1 :> s2) -> handleResult cellsLen cells (k c1) s2
|
||||
|
||||
consumeBody :: forall m r c a. Monad m
|
||||
=> (c -> ATYP.IResult c (CellResult c))
|
||||
=> (c -> T.Text)
|
||||
-> (c -> ATYP.IResult c (CellResult c))
|
||||
-> (c -> Bool)
|
||||
-> c
|
||||
-> (r -> Bool) -- ^ True if termination is acceptable. False if it is because of a decoding error.
|
||||
@ -477,10 +499,11 @@ consumeBody :: forall m r c a. Monad m
|
||||
-> Int -- ^ Required row length
|
||||
-> Siphon IndexedHeader c a
|
||||
-> Stream (Of c) m r
|
||||
-> Stream (Of a) m (Maybe (SiphonError c))
|
||||
consumeBody parseCell isNull emptyStr isGood row0 reqLen siphon s0 = go row0 0 StrictListNil s0
|
||||
-> Stream (Of a) m (Maybe SiphonError)
|
||||
consumeBody toStr parseCell isNull emptyStr isGood row0 reqLen siphon s0 =
|
||||
go row0 0 StrictListNil s0
|
||||
where
|
||||
go :: Int -> Int -> StrictList c -> Stream (Of c) m r -> Stream (Of a) m (Maybe (SiphonError c))
|
||||
go :: Int -> Int -> StrictList c -> Stream (Of c) m r -> Stream (Of a) m (Maybe SiphonError)
|
||||
go !row !cellsLen !cells !s1 = do
|
||||
e <- lift (skipWhile isNull s1)
|
||||
case e of
|
||||
@ -491,11 +514,11 @@ consumeBody parseCell isNull emptyStr isGood row0 reqLen siphon s0 = go row0 0 S
|
||||
handleResult :: Int -> Int -> StrictList c
|
||||
-> ATYP.IResult c (CellResult c)
|
||||
-> Stream (Of c) m r
|
||||
-> Stream (Of a) m (Maybe (SiphonError c))
|
||||
-> Stream (Of a) m (Maybe SiphonError)
|
||||
handleResult !row !cellsLen !cells !result s1 = case result of
|
||||
ATYP.Fail _ _ _ -> return $ Just $ SiphonError row RowErrorParse
|
||||
ATYP.Done !c1 !res -> case res of
|
||||
CellResultNewline ended -> do
|
||||
CellResultNewline !ended -> do
|
||||
case decodeRow row (reverseVectorStrictList cellsLen cells) of
|
||||
Left err -> return (Just err)
|
||||
Right a -> do
|
||||
@ -519,16 +542,30 @@ consumeBody parseCell isNull emptyStr isGood row0 reqLen siphon s0 = go row0 0 S
|
||||
case e of
|
||||
Left r -> handleResult row cellsLen cells (k emptyStr) (return r)
|
||||
Right (c1 :> s2) -> handleResult row cellsLen cells (k c1) s2
|
||||
decodeRow :: Int -> Vector c -> Either (SiphonError c) a
|
||||
decodeRow :: Int -> Vector c -> Either SiphonError a
|
||||
decodeRow rowIx v =
|
||||
let vlen = V.length v in
|
||||
if vlen /= reqLen
|
||||
then Left $ SiphonError rowIx $ RowErrorSize reqLen vlen
|
||||
else uncheckedRunWithRow rowIx siphon v
|
||||
else uncheckedRunWithRow toStr rowIx siphon v
|
||||
|
||||
-- | You must pass the length of the list and as the first argument.
|
||||
reverseVectorStrictList :: Int -> StrictList c -> Vector c
|
||||
reverseVectorStrictList _ _ = error "write me"
|
||||
-- Passing the wrong length will lead to an error.
|
||||
reverseVectorStrictList :: forall c. Int -> StrictList c -> Vector c
|
||||
reverseVectorStrictList len sl0 = V.create $ do
|
||||
mv <- MV.new len
|
||||
go1 mv
|
||||
return mv
|
||||
where
|
||||
go1 :: forall s. MVector s c -> ST s ()
|
||||
go1 !mv = go2 0 sl0
|
||||
where
|
||||
go2 :: Int -> StrictList c -> ST s ()
|
||||
go2 _ StrictListNil = return ()
|
||||
go2 !ix (StrictListCons c slNext) = do
|
||||
MV.write mv ix c
|
||||
go2 (ix + 1) slNext
|
||||
|
||||
|
||||
skipWhile :: forall m a r. Monad m
|
||||
=> (a -> Bool)
|
||||
@ -551,31 +588,34 @@ data StrictList a = StrictListNil | StrictListCons !a !(StrictList a)
|
||||
-- | This function uses 'unsafeIndex' to access
|
||||
-- elements of the 'Vector'.
|
||||
uncheckedRunWithRow ::
|
||||
Int
|
||||
(c -> T.Text)
|
||||
-> Int
|
||||
-> Siphon IndexedHeader c a
|
||||
-> Vector c
|
||||
-> Either (SiphonError c) a
|
||||
uncheckedRunWithRow i d v = mapLeft (SiphonError i . RowErrorDecode) (uncheckedRun d v)
|
||||
-> Either SiphonError a
|
||||
uncheckedRunWithRow toStr i d v =
|
||||
mapLeft (SiphonError i . RowErrorDecode) (uncheckedRun toStr d v)
|
||||
|
||||
-- | This function does not check to make sure that the indicies in
|
||||
-- the 'Decolonnade' are in the 'Vector'. Only use this if you have
|
||||
-- already verified that none of the indices in the siphon are
|
||||
-- out of the bounds.
|
||||
uncheckedRun :: forall c a.
|
||||
Siphon IndexedHeader c a
|
||||
(c -> T.Text)
|
||||
-> Siphon IndexedHeader c a
|
||||
-> Vector c
|
||||
-> Either (Vector (CellError c)) a
|
||||
uncheckedRun dc v = getEitherWrap (go dc)
|
||||
-> Either (Vector CellError) a
|
||||
uncheckedRun toStr dc v = getEitherWrap (go dc)
|
||||
where
|
||||
go :: forall b.
|
||||
Siphon IndexedHeader c b
|
||||
-> EitherWrap (Vector (CellError c)) b
|
||||
-> EitherWrap (Vector CellError) b
|
||||
go (SiphonPure b) = EitherWrap (Right b)
|
||||
go (SiphonAp (IndexedHeader ix _) decode apNext) =
|
||||
let rnext = go apNext
|
||||
content = V.unsafeIndex v ix
|
||||
content = v V.! ix -- V.unsafeIndex v ix
|
||||
rcurrent = maybe
|
||||
(Left (V.singleton (CellError ix content)))
|
||||
(Left (V.singleton (CellError ix (toStr content))))
|
||||
Right
|
||||
(decode content)
|
||||
in rnext <*> (EitherWrap rcurrent)
|
||||
@ -593,3 +633,12 @@ maxIndex = go 0 where
|
||||
go !ix1 (SiphonAp (IndexedHeader ix2 _) _ apNext) =
|
||||
go (max ix1 ix2) apNext
|
||||
|
||||
headless :: (c -> Maybe a) -> Siphon CE.Headless c a
|
||||
headless f = SiphonAp CE.Headless f (SiphonPure id)
|
||||
|
||||
headed :: c -> (c -> Maybe a) -> Siphon CE.Headed c a
|
||||
headed h f = SiphonAp (CE.Headed h) f (SiphonPure id)
|
||||
|
||||
indexed :: Int -> (c -> Maybe a) -> Siphon Indexed c a
|
||||
indexed ix f = SiphonAp (Indexed ix) f (SiphonPure id)
|
||||
|
||||
|
||||
@ -11,9 +11,6 @@ module Siphon.Decoding
|
||||
, consumeGeneral
|
||||
, pipeGeneral
|
||||
, convertDecodeError
|
||||
, headed
|
||||
, headless
|
||||
, indexed
|
||||
) where
|
||||
|
||||
import Siphon.Types
|
||||
|
||||
@ -14,32 +14,32 @@ module Siphon.Types
|
||||
|
||||
import Data.Vector (Vector)
|
||||
import Control.Exception (Exception)
|
||||
import Data.Typeable (Typeable)
|
||||
import Data.Text (Text)
|
||||
|
||||
data CellError c = CellError
|
||||
data CellError = CellError
|
||||
{ cellErrorColumn :: !Int
|
||||
, cellErrorContent :: !c
|
||||
, cellErrorContent :: !Text
|
||||
} deriving (Show,Read,Eq)
|
||||
|
||||
newtype Indexed a = Indexed
|
||||
{ indexedIndex :: Int
|
||||
} deriving (Eq,Ord,Functor,Show,Read)
|
||||
|
||||
data SiphonError c = SiphonError
|
||||
data SiphonError = SiphonError
|
||||
{ siphonErrorRow :: !Int
|
||||
, siphonErrorCause :: !(RowError c)
|
||||
, siphonErrorCause :: !RowError
|
||||
} deriving (Show,Read,Eq)
|
||||
|
||||
instance (Show c, Typeable c) => Exception (SiphonError c)
|
||||
instance Exception SiphonError
|
||||
|
||||
data RowError c
|
||||
data RowError
|
||||
= RowErrorParse
|
||||
-- ^ Error occurred parsing the document into cells
|
||||
| RowErrorDecode !(Vector (CellError c))
|
||||
| RowErrorDecode !(Vector CellError)
|
||||
-- ^ Error decoding the content
|
||||
| RowErrorSize !Int !Int
|
||||
-- ^ Wrong number of cells in the row
|
||||
| RowErrorHeaders !(Vector (Vector (CellError c))) !(Vector c) !(Vector Int)
|
||||
| RowErrorHeaders !(Vector (Vector CellError)) !(Vector Text) !(Vector Int)
|
||||
-- ^ Three parts:
|
||||
-- (a) Multiple header cells matched the same expected cell,
|
||||
-- (b) Headers that were missing,
|
||||
|
||||
@ -1,16 +1,18 @@
|
||||
{-# LANGUAGE BangPatterns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE DeriveGeneric #-}
|
||||
|
||||
module Main (main) where
|
||||
|
||||
import Test.QuickCheck (Gen, Arbitrary(..), choose, elements)
|
||||
import Test.HUnit (Assertion,(@?=))
|
||||
import Test.Framework (defaultMain, testGroup, Test)
|
||||
import Test.QuickCheck (Gen, Arbitrary(..), choose, elements, Property)
|
||||
import Test.QuickCheck.Property (Result, succeeded, exception)
|
||||
import Test.HUnit (Assertion,(@?=))
|
||||
import Test.Framework (defaultMain, testGroup, Test)
|
||||
import Test.Framework.Providers.QuickCheck2 (testProperty)
|
||||
import Test.Framework.Providers.HUnit (testCase)
|
||||
import Data.ByteString (ByteString)
|
||||
import Data.Text (Text)
|
||||
import GHC.Generics (Generic)
|
||||
import Test.Framework.Providers.HUnit (testCase)
|
||||
import Data.ByteString (ByteString)
|
||||
import Data.Text (Text)
|
||||
import GHC.Generics (Generic)
|
||||
import Data.Either.Combinators
|
||||
import Siphon.Types
|
||||
import Data.Functor.Identity
|
||||
@ -18,20 +20,20 @@ import Data.Functor.Contravariant (contramap)
|
||||
import Data.Functor.Contravariant.Divisible (divided,conquered)
|
||||
import Colonnade (headed,headless,Colonnade,Headed,Headless)
|
||||
import Data.Profunctor (lmap)
|
||||
import Streaming (Stream,Of(..))
|
||||
import Control.Exception
|
||||
import Debug.Trace
|
||||
import qualified Data.Text as Text
|
||||
import qualified Data.ByteString.Builder as Builder
|
||||
import qualified Data.ByteString.Lazy as LByteString
|
||||
import qualified Data.ByteString as ByteString
|
||||
import qualified Data.ByteString.Char8 as BC8
|
||||
import qualified Colonnade as Colonnade
|
||||
import qualified Siphon.Encoding as SE
|
||||
import qualified Siphon.Decoding as SD
|
||||
import qualified Siphon.Content as SC
|
||||
import qualified Pipes.Prelude as Pipes
|
||||
import qualified Siphon as S
|
||||
import qualified Streaming.Prelude as SMP
|
||||
import qualified Data.Text.Lazy as LText
|
||||
import qualified Data.Text.Lazy.Builder as TBuilder
|
||||
import qualified Data.Text.Lazy.Builder.Int as TBuilder
|
||||
import Pipes
|
||||
|
||||
main :: IO ()
|
||||
main = defaultMain tests
|
||||
@ -39,60 +41,55 @@ main = defaultMain tests
|
||||
tests :: [Test]
|
||||
tests =
|
||||
[ testGroup "ByteString encode/decode"
|
||||
[ testCase "Headless Encoding (int,char,bool)"
|
||||
$ runTestScenario
|
||||
SC.byteStringChar8
|
||||
SE.pipe
|
||||
encodingA
|
||||
"4,c,false\n"
|
||||
, testProperty "Headless Isomorphism (int,char,bool)"
|
||||
$ propIsoPipe $
|
||||
(SE.pipe SC.byteStringChar8 encodingA)
|
||||
>->
|
||||
(void $ SD.headlessPipe SC.byteStringChar8 decodingA)
|
||||
, testCase "Headed Encoding (int,char,bool)"
|
||||
$ runTestScenario
|
||||
SC.byteStringChar8
|
||||
SE.headedPipe
|
||||
[ testCase "Headed Encoding (int,char,bool)"
|
||||
$ runTestScenario [(4,'c',False)]
|
||||
S.encodeHeadedUtf8Csv
|
||||
encodingB
|
||||
$ ByteString.concat
|
||||
[ "number,letter,boolean\n"
|
||||
, "4,c,false\n"
|
||||
]
|
||||
, testCase "Headed Encoding (int,char,bool) monoidal building"
|
||||
$ runTestScenario
|
||||
SC.byteStringChar8
|
||||
SE.headedPipe
|
||||
$ runTestScenario [(4,'c',False)]
|
||||
S.encodeHeadedUtf8Csv
|
||||
encodingC
|
||||
$ ByteString.concat
|
||||
[ "boolean,letter\n"
|
||||
, "false,c\n"
|
||||
]
|
||||
, testCase "Headed Encoding (escaped characters)"
|
||||
$ runTestScenario ["bob","there,be,commas","the \" quote"]
|
||||
S.encodeHeadedUtf8Csv
|
||||
encodingF
|
||||
$ ByteString.concat
|
||||
[ "name\n"
|
||||
, "bob\n"
|
||||
, "\"there,be,commas\"\n"
|
||||
, "\"the \"\" quote\"\n"
|
||||
]
|
||||
, testCase "Headed Decoding (int,char,bool)"
|
||||
$ ( runIdentity . SMP.toList )
|
||||
( S.decodeHeadedUtf8Csv decodingB
|
||||
( mapM_ (SMP.yield . BC8.singleton) $ concat
|
||||
[ "number,letter,boolean\n"
|
||||
, "244,z,true\n"
|
||||
]
|
||||
)
|
||||
) @?= ([(244,'z',True)] :> Nothing)
|
||||
, testCase "Headed Decoding (escaped characters)"
|
||||
$ ( runIdentity . SMP.toList )
|
||||
( S.decodeHeadedUtf8Csv decodingF
|
||||
( mapM_ (SMP.yield . BC8.singleton) $ concat
|
||||
[ "name\n"
|
||||
, "drew\n"
|
||||
, "\"martin, drew\"\n"
|
||||
]
|
||||
)
|
||||
) @?= (["drew","martin, drew"] :> Nothing)
|
||||
, testProperty "Headed Isomorphism (int,char,bool)"
|
||||
$ propIsoPipe $
|
||||
(SE.headedPipe SC.byteStringChar8 encodingB)
|
||||
>->
|
||||
(void $ SD.headedPipe SC.byteStringChar8 decodingB)
|
||||
]
|
||||
, testGroup "Text encode/decode"
|
||||
[ testCase "Headless Encoding (int,char,bool)"
|
||||
$ runTestScenario
|
||||
SC.text
|
||||
SE.pipe
|
||||
encodingW
|
||||
"4,c,false\n"
|
||||
, testCase "Headless Encoding (Foo,Foo,Foo)"
|
||||
$ runCustomTestScenario
|
||||
SC.text
|
||||
SE.pipe
|
||||
encodingY
|
||||
(FooA,FooA,FooC)
|
||||
"Simple,Simple,\"More\"\"Escaped,\"\"\"\"Chars\"\n"
|
||||
, testProperty "Headless Isomorphism (Foo,Foo,Foo)"
|
||||
$ propIsoPipe $
|
||||
(SE.pipe SC.text encodingY)
|
||||
>->
|
||||
(void $ SD.headlessPipe SC.text decodingY)
|
||||
$ propIsoStream BC8.unpack
|
||||
(S.decodeHeadedUtf8Csv decodingB)
|
||||
(S.encodeHeadedUtf8Csv encodingB)
|
||||
]
|
||||
]
|
||||
|
||||
@ -111,27 +108,31 @@ fooToString x = case x of
|
||||
encodeFoo :: (String -> c) -> Foo -> c
|
||||
encodeFoo f = f . fooToString
|
||||
|
||||
fooFromString :: String -> Either String Foo
|
||||
fooFromString :: String -> Maybe Foo
|
||||
fooFromString x = case x of
|
||||
"Simple" -> Right FooA
|
||||
"With,Escaped\nChars" -> Right FooB
|
||||
"More\"Escaped,\"\"Chars" -> Right FooC
|
||||
_ -> Left "failed to decode Foo"
|
||||
"Simple" -> Just FooA
|
||||
"With,Escaped\nChars" -> Just FooB
|
||||
"More\"Escaped,\"\"Chars" -> Just FooC
|
||||
_ -> Nothing
|
||||
|
||||
decodeFoo :: (c -> String) -> c -> Either String Foo
|
||||
decodeFoo :: (c -> String) -> c -> Maybe Foo
|
||||
decodeFoo f = fooFromString . f
|
||||
|
||||
decodingA :: Decolonnade Headless ByteString (Int,Char,Bool)
|
||||
decodingA :: Siphon Headless ByteString (Int,Char,Bool)
|
||||
decodingA = (,,)
|
||||
<$> SD.headless dbInt
|
||||
<*> SD.headless dbChar
|
||||
<*> SD.headless dbBool
|
||||
<$> S.headless dbInt
|
||||
<*> S.headless dbChar
|
||||
<*> S.headless dbBool
|
||||
|
||||
decodingB :: Decolonnade Headed ByteString (Int,Char,Bool)
|
||||
decodingB :: Siphon Headed ByteString (Int,Char,Bool)
|
||||
decodingB = (,,)
|
||||
<$> SD.headed "number" dbInt
|
||||
<*> SD.headed "letter" dbChar
|
||||
<*> SD.headed "boolean" dbBool
|
||||
<$> S.headed "number" dbInt
|
||||
<*> S.headed "letter" dbChar
|
||||
<*> S.headed "boolean" dbBool
|
||||
|
||||
decodingF :: Siphon Headed ByteString ByteString
|
||||
decodingF = S.headed "name" Just
|
||||
|
||||
|
||||
encodingA :: Colonnade Headless (Int,Char,Bool) ByteString
|
||||
encodingA = mconcat
|
||||
@ -154,11 +155,14 @@ encodingY = mconcat
|
||||
, lmap thd3 (headless $ encodeFoo Text.pack)
|
||||
]
|
||||
|
||||
decodingY :: Decolonnade Headless Text (Foo,Foo,Foo)
|
||||
decodingY :: Siphon Headless Text (Foo,Foo,Foo)
|
||||
decodingY = (,,)
|
||||
<$> SD.headless (decodeFoo Text.unpack)
|
||||
<*> SD.headless (decodeFoo Text.unpack)
|
||||
<*> SD.headless (decodeFoo Text.unpack)
|
||||
<$> S.headless (decodeFoo Text.unpack)
|
||||
<*> S.headless (decodeFoo Text.unpack)
|
||||
<*> S.headless (decodeFoo Text.unpack)
|
||||
|
||||
encodingF :: Colonnade Headed ByteString ByteString
|
||||
encodingF = headed "name" id
|
||||
|
||||
encodingB :: Colonnade Headed (Int,Char,Bool) ByteString
|
||||
encodingB = mconcat
|
||||
@ -176,32 +180,51 @@ encodingC = mconcat
|
||||
tripleToPairs :: (a,b,c) -> (a,(b,(c,())))
|
||||
tripleToPairs (a,b,c) = (a,(b,(c,())))
|
||||
|
||||
propIsoPipe :: Eq a => Pipe a a Identity () -> [a] -> Bool
|
||||
propIsoPipe p as = (Pipes.toList $ each as >-> p) == as
|
||||
propIsoStream :: (Eq a, Show a, Monoid c)
|
||||
=> (c -> String)
|
||||
-> (Stream (Of c) Identity () -> Stream (Of a) Identity (Maybe SiphonError))
|
||||
-> (Stream (Of a) Identity () -> Stream (Of c) Identity ())
|
||||
-> [a]
|
||||
-> Result
|
||||
propIsoStream toStr decode encode as =
|
||||
let asNew :> m = runIdentity $ SMP.toList $ decode $ encode $ SMP.each as
|
||||
in case m of
|
||||
Nothing -> if as == asNew
|
||||
then succeeded
|
||||
else exception ("expected " ++ show as ++ " but got " ++ show asNew) myException
|
||||
Just err ->
|
||||
let csv = toStr $ mconcat $ runIdentity $ SMP.toList_ $ encode $ SMP.each as
|
||||
in exception (S.humanizeSiphonError err ++ "\nGenerated CSV\n" ++ csv) myException
|
||||
|
||||
runTestScenario :: (Monoid c, Eq c, Show c)
|
||||
=> Siphon c
|
||||
-> (Siphon c -> Colonnade f (Int,Char,Bool) c -> Pipe (Int,Char,Bool) c Identity ())
|
||||
-> Colonnade f (Int,Char,Bool) c
|
||||
-> c
|
||||
-> Assertion
|
||||
runTestScenario s p e c =
|
||||
( mconcat $ Pipes.toList $
|
||||
Pipes.yield (4,'c',False) >-> p s e
|
||||
) @?= c
|
||||
data MyException = MyException
|
||||
deriving (Show,Read,Eq)
|
||||
instance Exception MyException
|
||||
|
||||
runCustomTestScenario :: (Monoid c, Eq c, Show c)
|
||||
=> Siphon c
|
||||
-> (Siphon c -> Colonnade f a c -> Pipe a c Identity ())
|
||||
myException :: SomeException
|
||||
myException = SomeException MyException
|
||||
|
||||
runTestScenario :: (Monoid c, Eq c, Show c, Eq a, Show a)
|
||||
=> [a]
|
||||
-> (Colonnade f a c -> Stream (Of a) Identity () -> Stream (Of c) Identity ())
|
||||
-> Colonnade f a c
|
||||
-> a
|
||||
-> c
|
||||
-> Assertion
|
||||
runCustomTestScenario s p e a c =
|
||||
( mconcat $ Pipes.toList $
|
||||
Pipes.yield a >-> p s e
|
||||
runTestScenario as p e c =
|
||||
( mconcat (runIdentity (SMP.toList_ (p e (mapM_ SMP.yield as))))
|
||||
) @?= c
|
||||
|
||||
-- runCustomTestScenario :: (Monoid c, Eq c, Show c)
|
||||
-- => Siphon c
|
||||
-- -> (Siphon c -> Colonnade f a c -> Pipe a c Identity ())
|
||||
-- -> Colonnade f a c
|
||||
-- -> a
|
||||
-- -> c
|
||||
-- -> Assertion
|
||||
-- runCustomTestScenario s p e a c =
|
||||
-- ( mconcat $ Pipes.toList $
|
||||
-- Pipes.yield a >-> p s e
|
||||
-- ) @?= c
|
||||
|
||||
-- testEncodingA :: Assertion
|
||||
-- testEncodingA = runTestScenario encodingA "4,c,false\n"
|
||||
|
||||
@ -225,24 +248,23 @@ thd3 :: (a,b,c) -> c
|
||||
thd3 (a,b,c) = c
|
||||
|
||||
|
||||
dbChar :: ByteString -> Either String Char
|
||||
dbChar :: ByteString -> Maybe Char
|
||||
dbChar b = case BC8.length b of
|
||||
1 -> Right (BC8.head b)
|
||||
0 -> Left "cannot decode Char from empty bytestring"
|
||||
_ -> Left "cannot decode Char from multi-character bytestring"
|
||||
1 -> Just (BC8.head b)
|
||||
_ -> Nothing
|
||||
|
||||
dbInt :: ByteString -> Either String Int
|
||||
dbInt :: ByteString -> Maybe Int
|
||||
dbInt b = do
|
||||
(a,bsRem) <- maybe (Left "could not parse int") Right (BC8.readInt b)
|
||||
(a,bsRem) <- BC8.readInt b
|
||||
if ByteString.null bsRem
|
||||
then Right a
|
||||
else Left "found extra characters after int"
|
||||
then Just a
|
||||
else Nothing
|
||||
|
||||
dbBool :: ByteString -> Either String Bool
|
||||
dbBool :: ByteString -> Maybe Bool
|
||||
dbBool b
|
||||
| b == BC8.pack "true" = Right True
|
||||
| b == BC8.pack "false" = Right False
|
||||
| otherwise = Left "must be true or false"
|
||||
| b == BC8.pack "true" = Just True
|
||||
| b == BC8.pack "false" = Just False
|
||||
| otherwise = Nothing
|
||||
|
||||
ebChar :: Char -> ByteString
|
||||
ebChar = BC8.singleton
|
||||
|
||||
Loading…
Reference in New Issue
Block a user