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hnix-store-tests (empty) → 0.1.0.0

raw patch · 31 files changed

+955/−0 lines, 31 filesdep +QuickCheckdep +attoparsecdep +base

Dependencies added: QuickCheck, attoparsec, base, bytestring, containers, crypton, dependent-sum, generic-arbitrary, hashable, hnix-store-core, hnix-store-tests, hspec, text, time, unordered-containers, vector

Files

+ CHANGELOG.md view
@@ -0,0 +1,9 @@+# 0.1.0.0 2024-07-31++* Initial release++---++`hnix-store-tests` uses [PVP Versioning][1].++[1]: https://pvp.haskell.org
+ LICENSE view
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+ README.md view
@@ -0,0 +1,7 @@+# hnix-store-tests++Arbitrary instances for core types, roundtrip property tests, utility functions+and a harness for running tests that require nix-store+with nix-daemon.++[Test.Hspec.Nix]: ./src/Test/Hspec/Nix.hs
+ hnix-store-tests.cabal view
@@ -0,0 +1,97 @@+cabal-version:       2.2+name:                hnix-store-tests+version:             0.1.0.0+synopsis:            Test utilities and instances+description:+  This package contains Arbitrary instances for core+  types, roundtrip property tests, utility functions+  and a harness for running tests that require nix-store+  with nix-daemon.+homepage:            https://github.com/haskell-nix/hnix-store+license:             Apache-2.0+license-file:        LICENSE+author:              Sorki+maintainer:          srk@48.io+copyright:           2023 Sorki+category:            Nix+build-type:          Simple+extra-doc-files:+    CHANGELOG.md+extra-source-files:+    README.md++common commons+  ghc-options:  -Wall+  default-extensions:+      DerivingStrategies+    , DerivingVia+    , FlexibleInstances+    , ScopedTypeVariables+    , StandaloneDeriving+    , RecordWildCards+    , TypeApplications+    , LambdaCase+  default-language: Haskell2010++library+  import: commons+  exposed-modules:+      Data.ByteString.Arbitrary+    , Data.HashSet.Arbitrary+    , Data.Text.Arbitrary+    , Data.Vector.Arbitrary+    , System.Nix.Arbitrary+    , System.Nix.Arbitrary.Base+    , System.Nix.Arbitrary.Build+    , System.Nix.Arbitrary.ContentAddress+    , System.Nix.Arbitrary.Derivation+    , System.Nix.Arbitrary.DerivedPath+    , System.Nix.Arbitrary.Hash+    , System.Nix.Arbitrary.OutputName+    , System.Nix.Arbitrary.Realisation+    , System.Nix.Arbitrary.Signature+    , System.Nix.Arbitrary.Store.Types+    , System.Nix.Arbitrary.StorePath+    , System.Nix.Arbitrary.StorePath.Metadata+    , System.Nix.Arbitrary.UTCTime+    , Test.Hspec.Nix+  build-depends:+      base >=4.12 && <5+    , hnix-store-core >= 0.8+    , bytestring+    , containers+    , crypton+    , dependent-sum > 0.7+    , generic-arbitrary < 1.1+    , hashable+    , hspec+    , QuickCheck+    , text+    , time+    , unordered-containers+    , vector+  hs-source-dirs:      src++test-suite props+  import: commons+  type: exitcode-stdio-1.0+  main-is: Spec.hs+  other-modules:+      BaseEncodingSpec+      ContentAddressSpec+      DerivationSpec+      DerivedPathSpec+      RealisationSpec+      StorePathSpec+      SignatureSpec+  hs-source-dirs:+    tests+  build-tool-depends:+    hspec-discover:hspec-discover+  build-depends:+      base+    , hnix-store-core+    , hnix-store-tests+    , attoparsec+    , text+    , hspec
+ src/Data/ByteString/Arbitrary.hs view
@@ -0,0 +1,10 @@+{-# OPTIONS_GHC -Wno-orphans #-}+module Data.ByteString.Arbitrary () where++import Data.ByteString (ByteString)+import Test.QuickCheck (Arbitrary(..))+import qualified Data.ByteString.Char8++instance Arbitrary ByteString where+  arbitrary = Data.ByteString.Char8.pack <$> arbitrary+  shrink xs = Data.ByteString.Char8.pack <$> shrink (Data.ByteString.Char8.unpack xs)
+ src/Data/HashSet/Arbitrary.hs view
@@ -0,0 +1,11 @@+{-# OPTIONS_GHC -fno-warn-orphans #-}+module Data.HashSet.Arbitrary where++import Data.Hashable (Hashable)+import Data.HashSet (HashSet)+import Test.QuickCheck (Arbitrary(..))+import qualified Data.HashSet++instance (Hashable a, Eq a, Arbitrary a) => Arbitrary (HashSet a) where+  arbitrary = Data.HashSet.fromList <$> arbitrary+  shrink hashset = Data.HashSet.fromList <$> shrink (Data.HashSet.toList hashset)
+ src/Data/Text/Arbitrary.hs view
@@ -0,0 +1,16 @@+{-# OPTIONS_GHC -Wno-orphans #-}+module Data.Text.Arbitrary () where++import Data.Text (Text)+import Test.QuickCheck (Arbitrary(..), frequency, suchThat)+import qualified Data.Text++instance Arbitrary Text where+  arbitrary = Data.Text.pack <$> arbitrary+  shrink xs = Data.Text.pack <$> shrink (Data.Text.unpack xs)++instance {-# OVERLAPPING #-} Arbitrary (Maybe Text) where+  arbitrary = frequency+    [ (1, pure Nothing)+    , (3, Just <$> arbitrary `suchThat` (/= mempty))+    ]
+ src/Data/Vector/Arbitrary.hs view
@@ -0,0 +1,20 @@+{-# OPTIONS_GHC -Wno-orphans #-}+-- Stolen from quickcheck-instances (BSD-3)+module Data.Vector.Arbitrary () where++import Data.Vector (Vector)+import Test.QuickCheck (Arbitrary(..), Arbitrary1(..), arbitrary1, shrink1)+import qualified Data.Vector++instance Arbitrary1 Vector where+  liftArbitrary =+    fmap Data.Vector.fromList+    . liftArbitrary+  liftShrink shr =+    fmap Data.Vector.fromList+    . liftShrink shr+    . Data.Vector.toList++instance Arbitrary a => Arbitrary (Vector a) where+  arbitrary = arbitrary1+  shrink = shrink1
+ src/System/Nix/Arbitrary.hs view
@@ -0,0 +1,19 @@+module System.Nix.Arbitrary where++import Data.ByteString.Arbitrary ()+import Data.HashSet.Arbitrary ()+import Data.Text.Arbitrary ()+import Data.Vector.Arbitrary ()++import System.Nix.Arbitrary.Base ()+import System.Nix.Arbitrary.Build ()+import System.Nix.Arbitrary.ContentAddress ()+import System.Nix.Arbitrary.Derivation ()+import System.Nix.Arbitrary.DerivedPath ()+import System.Nix.Arbitrary.Hash ()+import System.Nix.Arbitrary.OutputName ()+import System.Nix.Arbitrary.Realisation ()+import System.Nix.Arbitrary.Signature ()+import System.Nix.Arbitrary.Store.Types ()+import System.Nix.Arbitrary.StorePath ()+import System.Nix.Arbitrary.StorePath.Metadata ()
+ src/System/Nix/Arbitrary/Base.hs view
@@ -0,0 +1,12 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.Base where++import System.Nix.Base++import Test.QuickCheck (Arbitrary(..))+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))++deriving via GenericArbitrary BaseEncoding+  instance Arbitrary BaseEncoding
+ src/System/Nix/Arbitrary/Build.hs view
@@ -0,0 +1,37 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.Build where++import Data.Time (UTCTime)+import Data.Text.Arbitrary ()+import Test.QuickCheck (Arbitrary(..), scale, suchThat)+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))+import System.Nix.Arbitrary.OutputName ()+import System.Nix.Arbitrary.Realisation ()+import System.Nix.Arbitrary.UTCTime ()++import System.Nix.Build++import qualified Data.Time.Clock.POSIX++deriving via GenericArbitrary BuildMode+  instance Arbitrary BuildMode++deriving via GenericArbitrary BuildStatus+  instance Arbitrary BuildStatus++instance Arbitrary BuildResult where+  arbitrary = do+    buildResultStatus <- arbitrary+    buildResultErrorMessage <- arbitrary+    buildResultTimesBuilt <- arbitrary `suchThat` (/= Just 0)+    buildResultIsNonDeterministic <- arbitrary  `suchThat` (/= Nothing)+    buildResultStartTime <- arbitrary `suchThat` (/= Just t0)+    buildResultStopTime <- arbitrary `suchThat` (/= Just t0)+    buildResultBuiltOutputs <- scale (`div` 10) (arbitrary `suchThat` (/= Nothing))++    pure BuildResult{..}+    where+      t0 :: UTCTime+      t0 = Data.Time.Clock.POSIX.posixSecondsToUTCTime 0
+ src/System/Nix/Arbitrary/ContentAddress.hs view
@@ -0,0 +1,17 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.ContentAddress where++import System.Nix.Arbitrary.Hash ()+import System.Nix.Arbitrary.Store.Types ()+import System.Nix.ContentAddress (ContentAddress, ContentAddressMethod)++import Test.QuickCheck (Arbitrary(..))+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))++deriving via GenericArbitrary ContentAddressMethod+  instance Arbitrary ContentAddressMethod++deriving via GenericArbitrary ContentAddress+  instance Arbitrary ContentAddress
+ src/System/Nix/Arbitrary/Derivation.hs view
@@ -0,0 +1,19 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.Derivation where++import Data.Text (Text)+import Data.Text.Arbitrary ()+import Data.Vector.Arbitrary ()+import System.Nix.Derivation+import System.Nix.StorePath (StorePath)++import Test.QuickCheck (Arbitrary(..))+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))+import System.Nix.Arbitrary.StorePath ()++deriving via GenericArbitrary (Derivation StorePath Text)+  instance Arbitrary (Derivation StorePath Text)+deriving via GenericArbitrary (DerivationOutput StorePath Text)+  instance Arbitrary (DerivationOutput StorePath Text)
+ src/System/Nix/Arbitrary/DerivedPath.hs view
@@ -0,0 +1,22 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.DerivedPath where++import qualified Data.Set+import Test.QuickCheck (Arbitrary(..), oneof)+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))+import System.Nix.Arbitrary.OutputName ()+import System.Nix.Arbitrary.StorePath ()+import System.Nix.DerivedPath (DerivedPath, OutputsSpec(..))++instance Arbitrary OutputsSpec where+  arbitrary = oneof+    [ pure OutputsSpec_All+    ,   OutputsSpec_Names+      . Data.Set.fromList+      <$> ((:) <$> arbitrary <*> arbitrary)+    ]++deriving via GenericArbitrary DerivedPath+  instance Arbitrary DerivedPath
+ src/System/Nix/Arbitrary/Hash.hs view
@@ -0,0 +1,50 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.Hash where++import Data.ByteString (ByteString)+import Data.ByteString.Arbitrary ()+import Crypto.Hash (Digest, MD5(..), SHA1(..), SHA256(..), SHA512(..))+import Data.Dependent.Sum (DSum((:=>)))+import Data.Some (Some(Some))+import System.Nix.Hash (HashAlgo(..))++import Test.QuickCheck (Arbitrary(arbitrary), oneof)++import qualified Crypto.Hash++-- * Arbitrary @Digest@s++instance Arbitrary (Digest MD5) where+  arbitrary = Crypto.Hash.hash @ByteString <$> arbitrary++instance Arbitrary (Digest SHA1) where+  arbitrary = Crypto.Hash.hash @ByteString <$> arbitrary++instance Arbitrary (Digest SHA256) where+  arbitrary = Crypto.Hash.hash @ByteString <$> arbitrary++instance Arbitrary (Digest SHA512) where+  arbitrary = Crypto.Hash.hash @ByteString <$> arbitrary++-- * Arbitrary @DSum HashAlgo Digest@s++instance Arbitrary (DSum HashAlgo Digest)  where+  arbitrary = oneof+    [ (HashAlgo_MD5 :=>)    <$> arbitrary+    , (HashAlgo_SHA1 :=>)   <$> arbitrary+    , (HashAlgo_SHA256 :=>) <$> arbitrary+    , (HashAlgo_SHA512 :=>) <$> arbitrary+    ]++instance Arbitrary (Some HashAlgo)  where+  arbitrary =+    oneof+    $ pure+    <$> [+      Some HashAlgo_MD5+    , Some HashAlgo_SHA1+    , Some HashAlgo_SHA256+    , Some HashAlgo_SHA512+    ]
+ src/System/Nix/Arbitrary/OutputName.hs view
@@ -0,0 +1,22 @@+{-# LANGUAGE CPP #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.OutputName where++import System.Nix.OutputName (OutputName)+import qualified Data.Text+import qualified System.Nix.OutputName++import Test.QuickCheck (Arbitrary(arbitrary), choose, elements, vectorOf)++instance Arbitrary OutputName where+  arbitrary =+      either (error . show) id+    . System.Nix.OutputName.mkOutputName+    . Data.Text.pack <$> ((:) <$> s1 <*> limited sn)+   where+    alphanum = ['a' .. 'z'] <> ['A' .. 'Z'] <> ['0' .. '9']+    s1 = elements $ alphanum <> "+-_?="+    sn = elements $ alphanum <> "+-._?="+    limited n = do+      k <- choose (0, 210)+      vectorOf k n
+ src/System/Nix/Arbitrary/Realisation.hs view
@@ -0,0 +1,27 @@+-- due to Illegal equational constraint Test.QuickCheck.Arbitrary.Generic.TypesDiffer+{-# LANGUAGE TypeFamilies #-}+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.Realisation where++import System.Nix.Arbitrary.Hash ()+import System.Nix.Arbitrary.OutputName ()+import System.Nix.Arbitrary.Signature ()+import System.Nix.Arbitrary.StorePath ()+import System.Nix.Realisation (DerivationOutput, Realisation)++import Test.QuickCheck (Arbitrary(..))+import Test.QuickCheck.Arbitrary.Generic (Arg, GenericArbitrary(..), genericArbitrary, genericShrink)++instance+  ( Arg (DerivationOutput outputName) outputName+  , Arbitrary outputName+  ) =>+  Arbitrary (DerivationOutput outputName)+  where+    arbitrary = genericArbitrary+    shrink = genericShrink++deriving via GenericArbitrary Realisation+  instance Arbitrary Realisation
+ src/System/Nix/Arbitrary/Signature.hs view
@@ -0,0 +1,35 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+{-# LANGUAGE OverloadedStrings #-}+module System.Nix.Arbitrary.Signature where++import qualified Crypto.PubKey.Ed25519+import Crypto.Random (drgNewTest, withDRG)+import qualified Data.ByteString as BS+import qualified Data.Text as Text+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))+import Test.QuickCheck++import System.Nix.Signature++instance Arbitrary Crypto.PubKey.Ed25519.Signature where+  arbitrary = do+    seeds <- (,,,,) <$> arbitraryBoundedRandom <*> arbitraryBoundedRandom <*> arbitraryBoundedRandom <*> arbitraryBoundedRandom <*> arbitraryBoundedRandom+    let drg = drgNewTest seeds+        (secretKey, _) = withDRG drg Crypto.PubKey.Ed25519.generateSecretKey+        publicKey = Crypto.PubKey.Ed25519.toPublic secretKey+        msg :: BS.ByteString = "msg"+    pure $ Crypto.PubKey.Ed25519.sign secretKey publicKey msg++deriving via GenericArbitrary Signature+  instance Arbitrary Signature++instance Arbitrary NarSignature where+  arbitrary = do+    name <- Text.pack . getPrintableString <$> suchThat arbitrary (\(PrintableString str) -> validName str)+    NarSignature name <$> arbitrary++validName :: String -> Bool+validName txt = not (null txt) && not (elem ':' txt)+
+ src/System/Nix/Arbitrary/Store/Types.hs view
@@ -0,0 +1,15 @@+-- due to recent generic-arbitrary+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.Store.Types where++import System.Nix.Store.Types++import Test.QuickCheck (Arbitrary(..))+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))++deriving via GenericArbitrary FileIngestionMethod+  instance Arbitrary FileIngestionMethod++deriving via GenericArbitrary RepairMode+  instance Arbitrary RepairMode
+ src/System/Nix/Arbitrary/StorePath.hs view
@@ -0,0 +1,56 @@+{-# LANGUAGE CPP #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.StorePath where++#if !MIN_VERSION_base(4,18,0)+import Control.Applicative (liftA2)+#endif+import Crypto.Hash (MD5, SHA1, SHA256, SHA512)+import qualified Data.ByteString.Char8+import qualified Data.Text+import System.Nix.StorePath (StoreDir(..)+  , StorePath+  , StorePathName+  , StorePathHashPart+  )+import qualified System.Nix.StorePath++import Test.QuickCheck (Arbitrary(arbitrary), choose, elements, oneof, vectorOf)++instance Arbitrary StoreDir where+  arbitrary =+    StoreDir+    . (Data.ByteString.Char8.singleton '/' <>) -- TODO(srk): nasty, see #237+    . Data.ByteString.Char8.pack <$> arbitrary++instance Arbitrary StorePath where+  arbitrary =+    liftA2 System.Nix.StorePath.unsafeMakeStorePath+      arbitrary+      arbitrary++instance Arbitrary StorePathName where+  arbitrary =+      either undefined id+    . System.Nix.StorePath.mkStorePathName+    . Data.Text.pack <$> ((:) <$> s1 <*> limited sn)+   where+    alphanum = ['a' .. 'z'] <> ['A' .. 'Z'] <> ['0' .. '9']+    s1 = elements $ alphanum <> "+-_?="+    sn = elements $ alphanum <> "+-._?="+    limited n = do+      k <- choose (0, 210)+      vectorOf k n++instance Arbitrary StorePathHashPart where+  arbitrary =+    oneof+      [ System.Nix.StorePath.mkStorePathHashPart @MD5+        . Data.ByteString.Char8.pack <$> arbitrary+      , System.Nix.StorePath.mkStorePathHashPart @SHA1+        . Data.ByteString.Char8.pack <$> arbitrary+      , System.Nix.StorePath.mkStorePathHashPart @SHA256+        . Data.ByteString.Char8.pack <$> arbitrary+      , System.Nix.StorePath.mkStorePathHashPart @SHA512+        . Data.ByteString.Char8.pack <$> arbitrary+      ]
+ src/System/Nix/Arbitrary/StorePath/Metadata.hs view
@@ -0,0 +1,35 @@+-- due to recent generic-arbitrary+{-# LANGUAGE CPP #-}+{-# OPTIONS_GHC -fconstraint-solver-iterations=0 #-}+{-# OPTIONS_GHC -Wno-orphans #-}+module System.Nix.Arbitrary.StorePath.Metadata where++import Data.Dependent.Sum (DSum((:=>)))+import Data.HashSet.Arbitrary ()+import System.Nix.Arbitrary.ContentAddress ()+import System.Nix.Arbitrary.Hash ()+import System.Nix.Arbitrary.Signature ()+import System.Nix.Arbitrary.StorePath ()+import System.Nix.Arbitrary.UTCTime ()+import System.Nix.StorePath (StorePath)+import System.Nix.StorePath.Metadata (Metadata(..), StorePathTrust)++import qualified System.Nix.Hash++import Test.QuickCheck (Arbitrary(..), suchThat)+import Test.QuickCheck.Arbitrary.Generic (GenericArbitrary(..))++deriving via GenericArbitrary StorePathTrust+  instance Arbitrary StorePathTrust++instance Arbitrary (Metadata StorePath) where+  arbitrary = do+    metadataDeriverPath <- arbitrary+    metadataNarHash <- (System.Nix.Hash.HashAlgo_SHA256 :=>) <$> arbitrary+    metadataReferences <- arbitrary+    metadataRegistrationTime <- arbitrary+    metadataNarBytes <- arbitrary `suchThat` (/= Just 0)+    metadataTrust <- arbitrary+    metadataSigs <- arbitrary+    metadataContentAddress <- arbitrary+    pure Metadata{..}
+ src/System/Nix/Arbitrary/UTCTime.hs view
@@ -0,0 +1,26 @@+{-# OPTIONS_GHC -Wno-orphans #-}+-- Stolen from quickcheck-instances (BSD-3)+-- UTCTime/DiffTime slightly modified to produce+-- values rounded to whole seconds+module System.Nix.Arbitrary.UTCTime where++import Data.Time (Day(..), DiffTime, UTCTime(..))+import Test.QuickCheck (Arbitrary(..))++instance Arbitrary Day where+    arbitrary = ModifiedJulianDay <$> (2000 +) <$> arbitrary+    shrink    = (ModifiedJulianDay <$>) . shrink . Data.Time.toModifiedJulianDay++instance Arbitrary DiffTime where+    -- without abs something weird happens, try it+    arbitrary = fromInteger . abs <$> arbitrary++instance Arbitrary UTCTime where+    arbitrary =+        UTCTime+        <$> arbitrary+        <*> arbitrary+    shrink ut@(UTCTime day dayTime) =+         [ ut { Data.Time.utctDay     = d' } | d' <- shrink day     ]+      ++ [ ut { Data.Time.utctDayTime = t' } | t' <- shrink dayTime ]+
+ src/Test/Hspec/Nix.hs view
@@ -0,0 +1,29 @@+module Test.Hspec.Nix+  ( forceRight+  , roundtrips+  ) where++import Test.Hspec (Expectation, shouldBe)++roundtrips+  :: forall a b f+   . ( Applicative f+     , Eq (f a)+     , Show a+     , Show b+     , Show (f a)+     )+  => (a -> b)   -- ^ Encode+  -> (b -> f a) -- ^ Decode+  -> a+  -> Expectation+roundtrips encode decode x =+  decode (encode x) `shouldBe` pure x++forceRight+  :: Show a+  => Either a b+  -> b+forceRight = \case+  Right x -> x+  Left e -> error $ "forceRight failed: " ++ show e
+ tests/BaseEncodingSpec.hs view
@@ -0,0 +1,30 @@+module BaseEncodingSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.QuickCheck (prop)+import Test.Hspec.Nix (roundtrips)++import System.Nix.Base+import System.Nix.Arbitrary ()+import System.Nix.StorePath (StorePathHashPart(..))++spec :: Spec+spec = do+  describe "Hash" $ do+    prop "Base16 roundtrips" $+      roundtrips+        (encodeWith Base16)+        (decodeWith Base16)+        . unStorePathHashPart++    prop "Nix-like Base32 roundtrips" $+      roundtrips+        (encodeWith NixBase32)+        (decodeWith NixBase32)+        . unStorePathHashPart++    prop "Base64 roundtrips" $+      roundtrips+        (encodeWith Base64)+        (decodeWith Base64)+        . unStorePathHashPart
+ tests/ContentAddressSpec.hs view
@@ -0,0 +1,16 @@+module ContentAddressSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.QuickCheck (prop)+import Test.Hspec.Nix (roundtrips)+import System.Nix.Arbitrary ()++import qualified System.Nix.ContentAddress++spec :: Spec+spec = do+  describe "ContentAddress" $ do+    prop "roundtrips" $+      roundtrips+        System.Nix.ContentAddress.buildContentAddress+        System.Nix.ContentAddress.parseContentAddress
+ tests/DerivationSpec.hs view
@@ -0,0 +1,27 @@+module DerivationSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.QuickCheck (xprop)+import Test.Hspec.Nix (roundtrips)++import System.Nix.Arbitrary ()+import System.Nix.Derivation (parseDerivation, buildDerivation)++import qualified Data.Attoparsec.Text+import qualified Data.Text.Lazy+import qualified Data.Text.Lazy.Builder++-- TODO(srk): this won't roundtrip as Arbitrary Text+-- contains wild stuff like control characters and UTF8 sequences.+-- Either fix in nix-derivation or use wrapper type+-- (but we use Nix.Derivation.textParser so we need Text for now)+spec :: Spec+spec = do+  describe "Derivation" $ do+    xprop "roundtrips via Text" $ \sd ->+      roundtrips+        ( Data.Text.Lazy.toStrict+        . Data.Text.Lazy.Builder.toLazyText+        . buildDerivation sd+        )+        (Data.Attoparsec.Text.parseOnly (parseDerivation sd))
+ tests/DerivedPathSpec.hs view
@@ -0,0 +1,17 @@+module DerivedPathSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.QuickCheck (prop)+import Test.Hspec.Nix (roundtrips)++import System.Nix.Arbitrary ()++import qualified System.Nix.DerivedPath++spec :: Spec+spec = do+  describe "DerivedPath" $ do+    prop "roundtrips" $ \sd ->+      roundtrips+        (System.Nix.DerivedPath.derivedPathToText sd)+        (System.Nix.DerivedPath.parseDerivedPath sd)
+ tests/RealisationSpec.hs view
@@ -0,0 +1,26 @@+module RealisationSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.QuickCheck (prop)+import Test.Hspec.Nix (roundtrips)++import System.Nix.Arbitrary ()++import qualified Data.Text.Lazy+import qualified Data.Text.Lazy.Builder+import qualified System.Nix.OutputName+import qualified System.Nix.Realisation++spec :: Spec+spec = do+  describe "DerivationOutput" $ do+    prop "roundtrips" $+      roundtrips+        ( Data.Text.Lazy.toStrict+        . Data.Text.Lazy.Builder.toLazyText+        . System.Nix.Realisation.derivationOutputBuilder+            System.Nix.OutputName.unOutputName+        )+        ( System.Nix.Realisation.derivationOutputParser+            System.Nix.OutputName.mkOutputName+        )
+ tests/SignatureSpec.hs view
@@ -0,0 +1,15 @@+module SignatureSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.Nix (roundtrips)+import Test.Hspec.QuickCheck (prop)++import System.Nix.Signature (signatureToText, parseSignature, narSignatureToText, parseNarSignature)+import System.Nix.Arbitrary ()++spec :: Spec+spec = do+  describe "Signature" $ do+    prop "roundtrips" $ roundtrips signatureToText parseSignature+  describe "NarSignature" $ do+    prop "roundtrips" $ roundtrips narSignatureToText parseNarSignature
+ tests/Spec.hs view
@@ -0,0 +1,1 @@+{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
+ tests/StorePathSpec.hs view
@@ -0,0 +1,31 @@+module StorePathSpec where++import Test.Hspec (Spec, describe)+import Test.Hspec.QuickCheck (prop)+import Test.Hspec.Nix (roundtrips)++import System.Nix.Arbitrary ()+import System.Nix.StorePath++import qualified Data.Attoparsec.Text++spec :: Spec+spec = do+  describe "StorePath" $ do+    prop "roundtrips using parsePath . storePathToRawFilePath" $+      \storeDir ->+        roundtrips+          (storePathToRawFilePath storeDir)+          (parsePath storeDir)++    prop "roundtrips using parsePathFromText . storePathToText" $+      \storeDir ->+        roundtrips+          (storePathToText storeDir)+          (parsePathFromText storeDir)++    prop "roundtrips using pathParser . storePathToText" $+      \storeDir ->+        roundtrips+          (storePathToText storeDir)+          (Data.Attoparsec.Text.parseOnly $ pathParser storeDir)