194 lines
4.9 KiB
Haskell
194 lines
4.9 KiB
Haskell
{-# OPTIONS_GHC -Wno-orphans #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE StandaloneDeriving #-}
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TypeApplications #-}
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module GHCup.ArbitraryTypes where
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import GHCup.Types
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import Data.ByteString ( ByteString )
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import Data.Versions
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import Data.List.NonEmpty
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import HPath
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import Test.QuickCheck
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import Test.QuickCheck.Arbitrary.ADT ( ToADTArbitrary )
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import Test.QuickCheck.Arbitrary.Generic
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import URI.ByteString
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import qualified Data.Map.Strict as M
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import qualified Data.Text as T
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import qualified Data.Text.Encoding as E
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import qualified Data.Text.Lazy as T
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( toStrict )
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import qualified Data.Text.Lazy.Builder as B
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import qualified Data.Text.Lazy.Builder.Int as B
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-----------------
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--[ utilities ]--
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-----------------
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intToText :: Integral a => a -> T.Text
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intToText = T.toStrict . B.toLazyText . B.decimal
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genVer :: Gen (Int, Int, Int)
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genVer =
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(\x y z -> (getPositive x, getPositive y, getPositive z))
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<$> arbitrary
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<*> arbitrary
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<*> arbitrary
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instance ToADTArbitrary GHCupInfo
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----------------------
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--[ base arbitrary ]--
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----------------------
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instance Arbitrary T.Text where
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arbitrary = fmap T.pack $ listOf $ elements ['a' .. 'z']
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shrink xs = T.pack <$> shrink (T.unpack xs)
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instance Arbitrary (NonEmpty Word) where
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arbitrary = fmap fromList $ listOf1 $ arbitrary
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-- utf8 encoded bytestring
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instance Arbitrary ByteString where
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arbitrary = fmap (E.encodeUtf8 . T.pack) $ listOf $ elements ['a' .. 'z']
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---------------------
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--[ uri arbitrary ]--
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---------------------
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instance Arbitrary Scheme where
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arbitrary = oneof [ Scheme <$> pure "http", Scheme <$> pure "https" ]
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instance Arbitrary Host where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary Port where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary (URIRef Absolute) where
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arbitrary =
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URI <$> arbitrary <*> pure Nothing <*> arbitrary <*> (Query <$> pure []) <*> pure Nothing
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-------------------------
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--[ version arbitrary ]--
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-------------------------
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instance Arbitrary Mess where
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arbitrary = do
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(x, y, z) <- genVer
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pure
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$ either (error . show) id
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$ mess
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$ (intToText x <> "." <> intToText y <> "." <> intToText z)
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instance Arbitrary Version where
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arbitrary = do
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(x, y, z) <- genVer
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pure
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$ either (error . show) id
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$ version
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$ (intToText x <> "." <> intToText y <> "." <> intToText z)
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instance Arbitrary SemVer where
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arbitrary = do
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(x, y, z) <- genVer
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pure
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$ either (error . show) id
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$ semver
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$ (intToText x <> "." <> intToText y <> "." <> intToText z)
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instance Arbitrary PVP where
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arbitrary = do
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(x, y, z) <- genVer
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pure
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$ either (error . show) id
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$ pvp
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$ (intToText x <> "." <> intToText y <> "." <> intToText z)
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instance Arbitrary Versioning where
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arbitrary = Ideal <$> arbitrary
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-----------------------
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--[ ghcup arbitrary ]--
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-----------------------
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instance Arbitrary Requirements where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary DownloadInfo where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary LinuxDistro where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary Platform where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary Tag where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary Architecture where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary VersionInfo where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary (Path Rel) where
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arbitrary =
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(either (error . show) id . parseRel . E.encodeUtf8 . T.pack)
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<$> (listOf1 $ elements ['a' .. 'z'])
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instance Arbitrary TarDir where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary Tool where
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arbitrary = genericArbitrary
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shrink = genericShrink
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instance Arbitrary GHCupInfo where
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arbitrary = genericArbitrary
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shrink = genericShrink
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-- our maps are nested... the default size easily blows up most ppls ram
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instance {-# OVERLAPS #-} Arbitrary v => Arbitrary (M.Map Tool v) where
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arbitrary = resize 8 $ M.fromList <$> arbitrary
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instance {-# OVERLAPS #-} Arbitrary v => Arbitrary (M.Map (Maybe Version) v) where
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arbitrary = resize 8 $ M.fromList <$> arbitrary
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instance {-# OVERLAPS #-} Arbitrary v => Arbitrary (M.Map Platform v) where
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arbitrary = resize 8 $ M.fromList <$> arbitrary
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instance {-# OVERLAPS #-} Arbitrary v => Arbitrary (M.Map (Maybe Versioning) v) where
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arbitrary = resize 8 $ M.fromList <$> arbitrary
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