39 lines
1.3 KiB
Haskell
39 lines
1.3 KiB
Haskell
module Test.Common where
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import Prelude
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import Control.Monad.Error.Class (class MonadError, liftEither, try)
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import Data.Bifunctor (lmap)
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import Data.String.Gen (genAlphaString)
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import Data.Tuple (fst)
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import Data.Tuple.Nested (type (/\), (/\))
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import Effect.Aff (Aff, bracket)
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import Effect.Class (liftEffect)
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import Effect.Exception (Error, error)
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import Node.FS.Sync as FS
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import Pipes.Core (Pipe)
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import Pipes.Prelude as Pipes
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import Simple.JSON (class ReadForeign, class WriteForeign, readJSON, writeJSON)
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import Test.QuickCheck.Gen (randomSampleOne, resize)
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tmpFile :: (String -> Aff Unit) -> Aff Unit
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tmpFile f = tmpFiles (f <<< fst)
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tmpFiles :: (String /\ String -> Aff Unit) -> Aff Unit
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tmpFiles =
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let
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acq = do
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randa <- liftEffect $ randomSampleOne $ resize 10 genAlphaString
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randb <- liftEffect $ randomSampleOne $ resize 10 genAlphaString
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void $ try $ liftEffect $ FS.mkdir ".tmp"
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pure $ (".tmp/tmp." <> randa) /\ (".tmp/tmp." <> randb)
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rel (a /\ b) = liftEffect (try (FS.rm a) *> void (try $ FS.rm b))
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in
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bracket acq rel
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jsonStringify :: forall m a. Monad m => WriteForeign a => Pipe a String m Unit
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jsonStringify = Pipes.map writeJSON
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jsonParse :: forall m @a. MonadError Error m => ReadForeign a => Pipe String a m Unit
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jsonParse = Pipes.mapM (liftEither <<< lmap (error <<< show) <<< readJSON)
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