620395c..master · schematic

git.iko.soy/schematic

on master help sign in

.travis.yml+2−2

since splitsnapshots

unifiedsplit

@@ -1,4 +1,4 @@

1−sudo: false

1+sudo: required

3language: c

@@ -22,4 +22,4 @@ script:

23cache:

24 directories:

25− - $HOME/.stack

25+ - $HOME/.stack

ChangeLog.md+17

@@ -1,5 +1,22 @@

1# Revision history for schematic

3+## 0.5.0.0 -- 2019-02-20

5+GHC 8.6, json generation by schema definition, validation bug fixes, better

6+parsing error messages.

8+## 0.4.3.0 -- 2018-07-12

10+GHC 8.4 support, dropping support for older GHC versions

11+

12+## 0.4.2.0

13+

14+Support ghc-8.4 and drop support for older versions

15+

16+## 0.4.1.0 -- 2017-11-05

17+

18+Convenience isomorphisms: txt, num, opt, bln etc

19+

3## 0.4.1.0 -- 2017-11-01

20## 0.4.1.0 -- 2017-11-01

5flens and fget now use type application syntax

22flens and fget now use type application syntax

README.md+4−4

@@ -24,7 +24,7 @@ $ stack install schematic

25## GHC Extensions

27−To use this library without any hassle, you should add a few GHC extension

27+To use this library without any hassle you should add a few GHC extension

28either to a module or a cabal file:

30```

@@ -35,7 +35,7 @@ TypeApplications

35```

37`Overloaded`-extensions are being used only by `field` combinator,

38−so it you don't use it - feel free to disable it.

38+so if you don't use it - feel free to disable it.

40## GHC Options

@@ -132,8 +132,8 @@ type SchemaExample = 'SchemaObject FieldsSchema

132

133There are two ways of working with named fields in the objects:

134

135−* Using the `fget` and `fset` functions: `fget fooProxy (fput newFooVal objectData) == newFooVal`

135+* Using the `fget` and `fset` functions: `fget @"foo" (fput newFooVal objectData) == newFooVal`

136−* Using the lens library: `set (flens (Proxy @"foo")) newFooVal objectData ^. flens (Proxy @"foo") == newFooVal`

136+* Using the lens library: `set (flens @"foo") newFooVal objectData ^. flens @"foo" == newFooVal`

137

138## Migrations

139

release+16−8

@@ -4,6 +4,12 @@ set -o xtrace

5dist=`stack path --dist-dir --stack-yaml ./stack.yaml 2> /dev/null`

7+rootdir=`pwd`

9+cabalfile=`ls *.cabal`

10+packagename="${cabalfile%%.*}"

11+version=`grep '^version:' schematic.cabal | rev | cut -d" " -f1 | rev`

12+

7echo -e "\033[1;36mTesting library...\033[0m"

13echo -e "\033[1;36mTesting library...\033[0m"

8stack test 2> /dev/null

14stack test 2> /dev/null

@@ -18,17 +24,19 @@ if [ "$?" -eq "0" ]; then

18 read -p "Hackage username: " username

24 read -p "Hackage username: " username

19 read -p "Hackage password: " -s password

25 read -p "Hackage password: " -s password

20 echo ""

26 echo ""

21− cabal upload -u $username -p $password dist/$1-$2.tar.gz

27+ cabal upload -u $username -p $password dist/$packagename-$version.tar.gz

23− docdir=$dist/doc/html

29+ docdir=`find .stack-work -name "$packagename-$version-docs"`

24− cd $docdir

25− doc=$1-$2-docs

27− echo -e "Compressing documentation from \033[1;34m$docdir\033[0m for \033[1;35m$1\033[0m-\033[1;33m$2\033[1;30m"

31+ echo -e "Compressing documentation from \033[1;34m$docdir\033[0m for \033[1;35m$packagename\033[0m-\033[1;33m$version\033[1;30m"

28− cp -r $1 $doc

29− tar -c -v -z --format=ustar -f $doc.tar.gz $doc

32+ tar -c -v -z --format=ustar -f $docdir.tar.gz $docdir

30 echo -e "\033[1;32mUploading documentation to Hackage...\033[0m"

33 echo -e "\033[1;32mUploading documentation to Hackage...\033[0m"

34+ cd $docdir

35+ cd ..

31− curl -X PUT -H 'Content-Type: application/x-tar' -H 'Content-Encoding: gzip' --data-binary "@$doc.tar.gz" "https://$username:$password@hackage.haskell.org/package/$1-$2/docs"

36+ curl -X PUT -H 'Content-Type: application/x-tar' -H 'Content-Encoding: gzip' --data-binary "$packagename-$version-docs.tar.gz" "https://$username:$password@hackage.haskell.org/package/$packagename-$version/candidate/docs"

37+ open "https://hackage.haskell.org/package/$packagename-$version/candidate/"

38+ cd $rootdir

39+ echo "To publish the candidate, use 'cabal upload --publish'."

32 exit $?

40 exit $?

33else

41else

34 echo -e "\033[1;31mNot in a stack-powered project\033[0m"

42 echo -e "\033[1;31mNot in a stack-powered project\033[0m"

release.nixnew file+32

@@ -0,0 +1,32 @@

1+{ schematicSrc ? { outPath = ./.; revCount = 0; gitTag = "dirty"; }

2+, supportedSystems ? [ "x86_64-linux" ]

3+}:

5+let

6+ _nixpkgs = import <nixpkgs> {};

7+ inherit (_nixpkgs) pkgs lib;

9+ stackageOverlayPath = pkgs.fetchFromGitHub {

10+ owner = "typeable";

11+ repo = "nixpkgs-stackage";

12+ rev = "abe0a03ba2bde609b0707ce45301ec836cb3ed29";

13+ sha256 = "0ksdk83zbsgvs30izwsfyjh4xxwz8dsn9a5igrs3pjap4whpzqfv";

14+ };

15+

16+ nixpkgsArgs = {

17+ overlays = [ (import stackageOverlayPath) ];

18+ };

19+

20+ release = import <nixpkgs/pkgs/top-level/release-lib.nix> { inherit nixpkgsArgs supportedSystems; };

21+

22+ mkStackage = system:

23+ let

24+ nixpkgs = release.pkgsFor system;

25+ stackage = nixpkgs.haskell.packages.stackage.lib.callStackage2nix "schematic" schematicSrc { inherit nixpkgs; };

26+ in

27+ stackage;

28+

29+in

30+ lib.genAttrs supportedSystems (system: {

31+ inherit (mkStackage system) schematic;

32+ })

schematic.cabal+15−7

@@ -1,6 +1,7 @@

1name: schematic

2−version: 0.4.1.0

2+version: 0.5.0.0

3synopsis: JSON-biased spec and validation tool

4+description: JSON-biased spec and validation tool. Makes possible to have a schema as a haskell type and derive json instances, validation actions, JSON generation for property-test generically. Built-in lens support.

4license: BSD3

5license: BSD3

5license-file: LICENSE

6license-file: LICENSE

6author: Denis Redozubov

7author: Denis Redozubov

@@ -15,6 +16,8 @@ cabal-version: >=1.10

15library

16library

16 exposed-modules: Data.Schematic

17 exposed-modules: Data.Schematic

17 , Data.Schematic.DSL

18 , Data.Schematic.DSL

19+ , Data.Schematic.Generator

20+ , Data.Schematic.Generator.Regex

18 , Data.Schematic.Instances

21 , Data.Schematic.Instances

19 , Data.Schematic.JsonSchema

22 , Data.Schematic.JsonSchema

20 , Data.Schematic.Helpers

23 , Data.Schematic.Helpers

@@ -23,6 +26,11 @@ library

23 , Data.Schematic.Path

26 , Data.Schematic.Path

24 , Data.Schematic.Schema

27 , Data.Schematic.Schema

25 , Data.Schematic.Validation

28 , Data.Schematic.Validation

29+ , Data.Schematic.Verifier

30+ , Data.Schematic.Verifier.Array

31+ , Data.Schematic.Verifier.Common

32+ , Data.Schematic.Verifier.Number

33+ , Data.Schematic.Verifier.Text

26 ghc-options: -Wall

34 ghc-options: -Wall

27 default-extensions: ConstraintKinds

35 default-extensions: ConstraintKinds

28 , DataKinds

36 , DataKinds

@@ -57,7 +65,7 @@ library

57 , TypeOperators

65 , TypeOperators

58 , TypeSynonymInstances

66 , TypeSynonymInstances

59 , UndecidableInstances

67 , UndecidableInstances

60− build-depends: base >=4.9 && <4.11

68+ build-depends: base >=4.11 && <4.13

61 , bytestring

69 , bytestring

62 , aeson >= 1

70 , aeson >= 1

63 , containers

71 , containers

@@ -67,14 +75,14 @@ library

67 , regex-tdfa

75 , regex-tdfa

68 , regex-tdfa-text

76 , regex-tdfa-text

69 , scientific

77 , scientific

70− , singletons >= 2.2

78+ , singletons >= 2.4

71 , smallcheck

79 , smallcheck

72 , tagged

80 , tagged

73 , template-haskell

81 , template-haskell

74 , text

82 , text

75 , union

83 , union

76 , unordered-containers

84 , unordered-containers

77− , validationt >= 0.1.0.1

85+ , validationt >= 0.2.1.0

78 , vector

86 , vector

79 , vinyl

87 , vinyl

80 hs-source-dirs: src

88 hs-source-dirs: src

@@ -87,7 +95,7 @@ test-suite spec

87 default-language: Haskell2010

95 default-language: Haskell2010

88 build-depends: HUnit

96 build-depends: HUnit

89 , aeson >= 1

97 , aeson >= 1

90− , base >=4.9 && <4.11

98+ , base >=4.11 && <4.13

91 , bytestring

99 , bytestring

92 , containers

100 , containers

93 , hjsonschema

101 , hjsonschema

@@ -104,9 +112,9 @@ test-suite spec

104 , tagged

112 , tagged

105 , text

113 , text

106 , unordered-containers

114 , unordered-containers

107− , validationt >= 0.1.0.1

115+ , validationt >= 0.2.1.0

108 , vinyl

116 , vinyl

109 other-modules: SchemaSpec

117 other-modules: SchemaSpec

110 , HelpersSpec

118 , HelpersSpec

111 , LensSpec

119 , LensSpec

112− , JsonSchemaSpec

120+ , JsonSchemaSpec

src/Data/Schematic.hs−23

@@ -39,29 +39,6 @@ import Data.Tagged

39import Data.Text as T

42−parseAndValidateJson

43− :: forall schema

44− . (J.FromJSON (JsonRepr schema), TopLevel schema, SingI schema)

45− => J.Value

46− -> ParseResult (JsonRepr schema)

47−parseAndValidateJson v =

48− case parseEither parseJSON v of

49− Left s -> DecodingError $ T.pack s

50− Right jsonRepr ->

51− let

52− validate = validateJsonRepr (sing :: Sing schema) [] jsonRepr

53− res = runIdentity . runValidationTEither $ validate

54− in case res of

55− Left em -> ValidationError em

56− Right () -> Valid jsonRepr

57−

58−parseAndValidateJsonBy

59− :: (J.FromJSON (JsonRepr schema), TopLevel schema, SingI schema)

60− => proxy schema

61− -> J.Value

62− -> ParseResult (JsonRepr schema)

63−parseAndValidateJsonBy _ = parseAndValidateJson

64−

65parseAndValidateTopVersionJson

42parseAndValidateTopVersionJson

66 :: forall proxy (v :: Versioned)

43 :: forall proxy (v :: Versioned)

67 . (SingI (TopVersion (AllVersions v)))

44 . (SingI (TopVersion (AllVersions v)))

src/Data/Schematic/DSL.hs+16−7

@@ -1,4 +1,5 @@

1{-# LANGUAGE AllowAmbiguousTypes #-}

2+{-# LANGUAGE CPP #-}

3module Data.Schematic.DSL where

4module Data.Schematic.DSL where

@@ -17,11 +18,19 @@ import Data.Vinyl

17import Data.Vinyl.Functor

18import Data.Vinyl.Functor

21+#if MIN_VERSION_base(4,12,0)

20type Constructor a

22type Constructor a

21− = forall b. FSubset (FieldsOf a) b (FImage (FieldsOf a) b)

23+ = forall fields b

22− => Rec (Tagged (FieldsOf a) :. FieldRepr) b

24+ . (fields ~ FieldsOf a, FSubset fields b (FImage fields b), RMap fields)

25+ => Rec (Tagged fields :. FieldRepr) b

26+ -> JsonRepr ('SchemaObject fields)

27+#else

28+type Constructor a

29+ = forall fields b

30+ . (fields ~ FieldsOf a, FSubset fields b (FImage fields b))

31+ => Rec (Tagged fields :. FieldRepr) b

23− -> JsonRepr ('SchemaObject (FieldsOf a))

32+ -> JsonRepr ('SchemaObject fields)

24−

33+#endif

25withRepr :: Constructor a

34withRepr :: Constructor a

26withRepr = ReprObject . rmap (unTagged . getCompose) . fcast

35withRepr = ReprObject . rmap (unTagged . getCompose) . fcast

@@ -66,9 +75,9 @@ type family FieldsOf (s :: Schema) :: [(Symbol, Schema)] where

66 FieldsOf ('SchemaObject fs) = fs

75 FieldsOf ('SchemaObject fs) = fs

68type FieldConstructor fn =

77type FieldConstructor fn =

69− forall fs. (Representable (ByField fn fs (FIndex fn fs)))

78+ forall byField fs. (byField ~ ByField fn fs (FIndex fn fs), Representable byField)

70− => Repr (ByField fn fs (FIndex fn fs))

79+ => Repr byField

71− -> (Tagged fs :. FieldRepr) '(fn, (ByField fn fs (FIndex fn fs)))

80+ -> (Tagged fs :. FieldRepr) '(fn, byField)

73field :: forall fn. KnownSymbol fn => FieldConstructor fn

82field :: forall fn. KnownSymbol fn => FieldConstructor fn

74field = Compose . Tagged . constructField (sing :: Sing fn) Proxy

83field = Compose . Tagged . constructField (sing :: Sing fn) Proxy

src/Data/Schematic/Generator.hsnew file+91

@@ -0,0 +1,91 @@

1+module Data.Schematic.Generator where

3+import Data.Maybe

4+import Data.Schematic.Generator.Regex

5+import {-# SOURCE #-} Data.Schematic.Schema

6+import Data.Schematic.Verifier

7+import Data.Scientific

8+import Data.Text (Text, pack)

9+import qualified Data.Vector as V

10+import Test.SmallCheck.Series

11+

12+maxHigh :: Int

13+maxHigh = 30

14+

15+minLow :: Int

16+minLow = 2

17+

18+textLengthSeries :: Monad m => [VerifiedTextConstraint] -> Series m Text

19+textLengthSeries =

20+ \case

21+ [VTEq eq] -> pure $ pack $ take (fromIntegral eq) $ cycle "sample"

22+ [VTBounds ml mh] -> do

23+ let

24+ l = fromMaybe minLow (fromIntegral <$> ml) + 1

25+ h = fromMaybe maxHigh (fromIntegral <$> mh) - 1

26+ n <- generate $ \depth -> take depth [l .. h]

27+ pure $ pack $ take (fromIntegral n) $ cycle "sample"

28+ _ -> pure "error"

29+

30+textEnumSeries :: Monad m => [Text] -> Series m Text

31+textEnumSeries enum = generate $ \depth -> take depth enum

32+

33+textSeries :: Monad m => [DemotedTextConstraint] -> Series m Text

34+textSeries cs = do

35+ let mvcs = verifyTextConstraints cs

36+ case mvcs of

37+ Just vcs -> do

38+ n <- textSeries' vcs

39+ pure n

40+ Nothing -> pure "error"

41+

42+textSeries' :: Monad m => [VerifiedTextConstraint] -> Series m Text

43+textSeries' [] = pure "sample"

44+textSeries' vcs = do

45+ let enums = listToMaybe [x | VTEnum x <- vcs]

46+ case enums of

47+ Just e -> textEnumSeries e

48+ Nothing -> do

49+ let regexps = listToMaybe [x | VTRegex x _ _ <- vcs]

50+ case regexps of

51+ Just e -> regexSeries e

52+ Nothing -> textLengthSeries vcs

53+

54+numberSeries :: Monad m => [DemotedNumberConstraint] -> Series m Scientific

55+numberSeries cs = do

56+ let mvcs = verifyNumberConstraints cs

57+ case mvcs of

58+ Just vcs -> do

59+ n <- numberSeries' vcs

60+ pure $ n

61+ Nothing -> pure 0

62+

63+numberSeries' :: Monad m => VerifiedNumberConstraint -> Series m Scientific

64+numberSeries' =

65+ \case

66+ VNEq eq -> pure $ fromIntegral eq

67+ VNBounds ml mh -> do

68+ let l = fromMaybe minLow (fromIntegral <$> ml) + 1

69+ h = fromMaybe maxHigh (fromIntegral <$> mh) - 1

70+ n <- generate $ \depth -> take depth [l .. h]

71+ pure $ fromIntegral n

72+

73+arraySeries

74+ :: (Monad m, Serial m (JsonRepr s))

75+ => [DemotedArrayConstraint]

76+ -> Series m (V.Vector (JsonRepr s))

77+arraySeries cs = do

78+ let mvcs = verifyArrayConstraint cs

79+ case mvcs of

80+ Just vcs -> arraySeries' vcs

81+ Nothing -> pure V.empty

82+

83+arraySeries'

84+ :: forall m s. (Monad m, Serial m (JsonRepr s))

85+ => Maybe VerifiedArrayConstraint

86+ -> Series m (V.Vector (JsonRepr s))

87+arraySeries' ml = do

88+ objs <- V.replicateM (maybe minRepeat f ml) (series :: Series m (JsonRepr s))

89+ pure $ objs

90+ where

91+ f (VAEq l) = fromIntegral l

src/Data/Schematic/Generator/Regex.hsnew file+76

@@ -0,0 +1,76 @@

1+module Data.Schematic.Generator.Regex where

3+import Control.Monad

4+import Data.List

5+import Data.Maybe

6+import qualified Data.Set as S

7+import Data.Text (Text, unpack)

8+import Data.Text.Lazy (toStrict)

9+import Data.Text.Lazy.Builder (Builder, singleton, toLazyText)

10+import Test.SmallCheck.Series

11+import Text.Regex.TDFA.Pattern

12+import Text.Regex.TDFA.ReadRegex (parseRegex)

13+

14+

15+minRepeat :: Int

16+minRepeat = 2

17+

18+maxRepeat :: Int

19+maxRepeat = 10

20+

21+regexSeries :: (Monad m) => Text -> Series m Text

22+regexSeries regexp =

23+ case parseRegex . unpack $ regexp of

24+ Right (p, _) -> toStrict . toLazyText <$> regexSeries' p

25+ Left _ -> pure ""

26+

27+regexSeries' :: (Monad m) => Pattern -> Series m Builder

28+regexSeries' pt =

29+ case pt of

30+ PEmpty -> pure mempty

31+ PChar {..} -> pure $ singleton getPatternChar

32+ PAny {getPatternSet = PatternSet (Just cset) _ _ _} -> do

33+ x <- generate $ \depth -> take depth $ S.toList cset

34+ pure $ singleton x

35+ PAnyNot {getPatternSet = PatternSet (Just cset) _ _ _} -> do

36+ x <-

37+ generate $ \depth ->

38+ take depth $ notChars $ concatMap expandEscape $ S.toList cset

39+ pure $ singleton x

40+ PQuest p -> regexSeries' p \/ pure mempty

41+ PPlus p -> regexSeries' $ PBound 1 Nothing p

42+ PStar _ p -> regexSeries' $ PBound 0 Nothing p

43+ PBound low mhigh p -> do

44+ let high = fromMaybe (low + maxRepeat) mhigh

45+ n <- generate $ \depth -> take depth [low .. high]

46+ decDepth $ do

47+ ps <- replicateM n $ regexSeries' p

48+ pure $ mconcat ps

49+ PConcat ps -> mconcat <$> mapM regexSeries' ps

50+ POr xs -> regexSeries' =<< (generate $ \depth -> take depth xs)

51+ PDot _ -> do

52+ x <- generate $ \depth -> take depth $ notChars []

53+ pure $ singleton x

54+ PEscape {..} -> do

55+ x <- generate $ \depth -> take depth $ expandEscape getPatternChar

56+ pure $ singleton x

57+ PCarat _ -> pure mempty

58+ PDollar _ -> pure mempty

59+ _ -> pure mempty

60+ where

61+ notChars = ([' ' .. '~'] \\)

62+ expandEscape ch =

63+ case ch of

64+ 'n' -> "\n"

65+ 't' -> "\t"

66+ 'r' -> "\r"

67+ 'f' -> "\f"

68+ 'a' -> "\a"

69+ 'e' -> "\ESC"

70+ 'd' -> ['0' .. '9']

71+ 'w' -> ['0' .. '9'] ++ '_' : ['a' .. 'z'] ++ ['A' .. 'Z']

72+ 's' -> "\9\32"

73+ 'D' -> notChars $ ['0' .. '9']

74+ 'W' -> notChars $ ['0' .. '9'] ++ '_' : ['a' .. 'z'] ++ ['A' .. 'Z']

75+ 'S' -> notChars "\9\32"

76+ ch' -> [ch']

src/Data/Schematic/Instances.hs+4

@@ -4,6 +4,7 @@

4module Data.Schematic.Instances where

6import Data.Scientific

7+import Data.Text (Text, pack)

7import Data.Vector as V

8import Data.Vector as V

8import Data.Vinyl

9import Data.Vinyl

9import Test.SmallCheck.Series

10import Test.SmallCheck.Series

@@ -21,3 +22,6 @@ instance Serial m a => Serial m (V.Vector a) where

22instance Monad m => Serial m Scientific where

23instance Monad m => Serial m Scientific where

23 series = scientific <$> series <*> series

24 series = scientific <$> series <*> series

25+

26+instance Monad m => Serial m Text where

27+ series = pack <$> series

src/Data/Schematic/JsonSchema.hs+29−10

@@ -12,8 +12,10 @@ import Control.Monad.State.Strict

12import Data.Aeson as J

13import Data.Foldable as F

14import Data.HashMap.Strict as H

15+import Data.List as L

15import Data.List.NonEmpty as NE

16import Data.List.NonEmpty as NE

16import Data.Schematic.Schema as S

17import Data.Schematic.Schema as S

18+import Data.Set as Set

17import Data.Singletons

19import Data.Singletons

18import Data.Text

20import Data.Text

19import Data.Traversable

21import Data.Traversable

@@ -28,13 +30,13 @@ textConstraint :: DemotedTextConstraint -> State D4.Schema ()

28textConstraint (DTEq n) = modify $ \s -> s

30textConstraint (DTEq n) = modify $ \s -> s

29 { _schemaMinLength = pure $ fromIntegral n

31 { _schemaMinLength = pure $ fromIntegral n

30 , _schemaMaxLength = pure $ fromIntegral n }

32 , _schemaMaxLength = pure $ fromIntegral n }

31−textConstraint (DTLt n) = modify $ \s -> s

32− { _schemaMaxLength = pure . fromIntegral $ n + 1 }

33textConstraint (DTLe n) = modify $ \s -> s

34 { _schemaMaxLength = pure . fromIntegral $ n }

35−textConstraint (DTGt n) =

35+textConstraint (DTLt n) =

36 let n' = if n == 0 then 0 else n - 1

37+ in modify $ \s -> s { _schemaMaxLength = pure . fromIntegral $ n' }

38+textConstraint (DTGt n) = modify $ \s -> s

37− in modify $ \s -> s { _schemaMinLength = pure . fromIntegral $ n' }

39+ { _schemaMinLength = pure . fromIntegral $ n + 1 }

38textConstraint (DTGe n) = modify $ \s -> s

40textConstraint (DTGe n) = modify $ \s -> s

39 { _schemaMinLength = pure . fromIntegral $ n }

41 { _schemaMinLength = pure . fromIntegral $ n }

40textConstraint (DTRegex r) = modify $ \s -> s { _schemaPattern = pure r }

42textConstraint (DTRegex r) = modify $ \s -> s { _schemaPattern = pure r }

@@ -46,18 +48,30 @@ numberConstraint :: DemotedNumberConstraint -> State D4.Schema ()

46numberConstraint (DNLe n) = modify $ \s -> s

48numberConstraint (DNLe n) = modify $ \s -> s

47 { _schemaMaximum = pure . fromIntegral $ n }

49 { _schemaMaximum = pure . fromIntegral $ n }

48numberConstraint (DNLt n) = modify $ \s -> s

50numberConstraint (DNLt n) = modify $ \s -> s

49− { _schemaMaximum = pure . fromIntegral $ n + 1 }

51+ { _schemaMaximum = pure . fromIntegral $ n

52+ , _schemaExclusiveMaximum = pure True }

50numberConstraint (DNGt n) = modify $ \s -> s

53numberConstraint (DNGt n) = modify $ \s -> s

54+ { _schemaMinimum = pure . fromIntegral $ n

55+ , _schemaExclusiveMinimum = pure True }

56+numberConstraint (DNGe n) = modify $ \s -> s

51 { _schemaMinimum = pure . fromIntegral $ n }

57 { _schemaMinimum = pure . fromIntegral $ n }

52−numberConstraint (DNGe n) =

53− let n' = if n == 0 then 0 else n - 1

54− in modify $ \s -> s { _schemaMinimum = pure . fromIntegral $ n' }

55numberConstraint (DNEq n) = modify $ \s -> s

58numberConstraint (DNEq n) = modify $ \s -> s

56 { _schemaMinimum = pure $ fromIntegral n

59 { _schemaMinimum = pure $ fromIntegral n

57 , _schemaMaximum = pure $ fromIntegral n }

60 , _schemaMaximum = pure $ fromIntegral n }

59arrayConstraint :: DemotedArrayConstraint -> State D4.Schema ()

62arrayConstraint :: DemotedArrayConstraint -> State D4.Schema ()

60−arrayConstraint (DAEq _) = pure ()

63+arrayConstraint (DALe n) = modify $ \s -> s

64+ { _schemaMaxItems = pure . fromIntegral $ n }

65+arrayConstraint (DALt n) =

66+ let n' = if n == 0 then 0 else n - 1

67+ in modify $ \s -> s { _schemaMaxItems = pure . fromIntegral $ n' }

68+arrayConstraint (DAGt n) = modify $ \s -> s

69+ { _schemaMinItems = pure . fromIntegral $ n + 1 }

70+arrayConstraint (DAGe n) = modify $ \s -> s

71+ { _schemaMinItems = pure . fromIntegral $ n }

72+arrayConstraint (DAEq n) = modify $ \s -> s

73+ { _schemaMinItems = pure $ fromIntegral n

74+ , _schemaMaxItems = pure $ fromIntegral n }

62toJsonSchema

76toJsonSchema

63 :: forall proxy schema

77 :: forall proxy schema

@@ -84,14 +98,19 @@ toJsonSchema' = \case

84 res <- for objs $ \(n,s) -> do

98 res <- for objs $ \(n,s) -> do

85 s' <- toJsonSchema' s

99 s' <- toJsonSchema' s

86 pure (n, s')

100 pure (n, s')

101+ let

102+ nonOpt = \case

103+ (_, DSchemaOptional _) -> False

104+ _ -> True

87 pure $ emptySchema

105 pure $ emptySchema

88 { _schemaType = pure $ TypeValidatorString D4.SchemaObject

106 { _schemaType = pure $ TypeValidatorString D4.SchemaObject

107+ , _schemaRequired = pure $ Set.fromList $ fst <$> L.filter nonOpt objs

89 , _schemaProperties = pure $ H.fromList res }

108 , _schemaProperties = pure $ H.fromList res }

90 DSchemaArray acs sch -> do

109 DSchemaArray acs sch -> do

91 res <- toJsonSchema' sch

110 res <- toJsonSchema' sch

92 pure $ execState (traverse_ arrayConstraint acs) $ emptySchema

111 pure $ execState (traverse_ arrayConstraint acs) $ emptySchema

93 { _schemaType = pure $ TypeValidatorString D4.SchemaArray

112 { _schemaType = pure $ TypeValidatorString D4.SchemaArray

94− , _schemaItems = pure $ ItemsArray [res] }

113+ , _schemaItems = pure $ ItemsObject res }

95 DSchemaNull -> pure $ emptySchema

114 DSchemaNull -> pure $ emptySchema

96 { _schemaType = pure $ TypeValidatorString D4.SchemaNull }

115 { _schemaType = pure $ TypeValidatorString D4.SchemaNull }

97 DSchemaOptional sch -> do

116 DSchemaOptional sch -> do

src/Data/Schematic/Lens.hs+29−10

@@ -10,6 +10,11 @@ module Data.Schematic.Lens

10 , FSubset(..)

11 , obj

12 , arr

13+ , uni

14+ , txt

15+ , num

16+ , opt

17+ , bln

13 , textRepr

18 , textRepr

14 , numberRepr

19 , numberRepr

15 , boolRepr

20 , boolRepr

@@ -23,6 +28,7 @@ import Data.Schematic.Schema

23import Data.Scientific

28import Data.Scientific

24import Data.Singletons

29import Data.Singletons

25import Data.Text

30import Data.Text

31+import Data.Union

26import Data.Vector as V

32import Data.Vector as V

27import Data.Vinyl

33import Data.Vinyl

28import Data.Vinyl.Functor

34import Data.Vinyl.Functor

@@ -150,39 +156,52 @@ instance

150

156

151-- A bunch of @Iso@morphisms

157-- A bunch of @Iso@morphisms

152textRepr

158textRepr

153− :: (KnownSymbol fn, SingI fn, SingI cs)

159+ :: (KnownSymbol fn, SingI cs)

154 => Iso' (FieldRepr '(fn, ('SchemaText cs))) Text

160 => Iso' (FieldRepr '(fn, ('SchemaText cs))) Text

155textRepr = iso (\(FieldRepr (ReprText t)) -> t) (FieldRepr . ReprText)

161textRepr = iso (\(FieldRepr (ReprText t)) -> t) (FieldRepr . ReprText)

156

162

157numberRepr

163numberRepr

158− :: (KnownSymbol fn, SingI fn, SingI cs)

164+ :: (KnownSymbol fn, SingI cs)

159 => Iso' (FieldRepr '(fn, ('SchemaNumber cs))) Scientific

165 => Iso' (FieldRepr '(fn, ('SchemaNumber cs))) Scientific

160numberRepr = iso (\(FieldRepr (ReprNumber n)) -> n) (FieldRepr . ReprNumber)

166numberRepr = iso (\(FieldRepr (ReprNumber n)) -> n) (FieldRepr . ReprNumber)

161

167

162boolRepr

168boolRepr

163− :: (KnownSymbol fn, SingI fn, SingI cs)

169+ :: (KnownSymbol fn)

164 => Iso' (FieldRepr '(fn, 'SchemaBoolean)) Bool

170 => Iso' (FieldRepr '(fn, 'SchemaBoolean)) Bool

165boolRepr = iso (\(FieldRepr (ReprBoolean b)) -> b) (FieldRepr . ReprBoolean)

171boolRepr = iso (\(FieldRepr (ReprBoolean b)) -> b) (FieldRepr . ReprBoolean)

166

172

167arrayRepr

173arrayRepr

168− :: (KnownSymbol fn, SingI fn, SingI cs, SingI schema)

174+ :: (KnownSymbol fn, SingI cs, SingI schema)

169 => Iso' (FieldRepr '(fn, ('SchemaArray cs schema))) (V.Vector (JsonRepr schema))

175 => Iso' (FieldRepr '(fn, ('SchemaArray cs schema))) (V.Vector (JsonRepr schema))

170arrayRepr = iso (\(FieldRepr (ReprArray a)) -> a) (FieldRepr . ReprArray)

176arrayRepr = iso (\(FieldRepr (ReprArray a)) -> a) (FieldRepr . ReprArray)

171

177

172objectRepr

178objectRepr

173− :: (KnownSymbol fn, SingI fn, SingI fields)

179+ :: (KnownSymbol fn, SingI fields)

174 => Iso' (FieldRepr '(fn, ('SchemaObject fields))) (Rec FieldRepr fields)

180 => Iso' (FieldRepr '(fn, ('SchemaObject fields))) (Rec FieldRepr fields)

175objectRepr = iso (\(FieldRepr (ReprObject o)) -> o) (FieldRepr . ReprObject)

181objectRepr = iso (\(FieldRepr (ReprObject o)) -> o) (FieldRepr . ReprObject)

176

182

177optionalRepr

183optionalRepr

178− :: (KnownSymbol fn, SingI fn, SingI schema)

184+ :: (KnownSymbol fn, SingI schema)

179 => Iso' (FieldRepr '(fn, ('SchemaOptional schema))) (Maybe (JsonRepr schema))

185 => Iso' (FieldRepr '(fn, ('SchemaOptional schema))) (Maybe (JsonRepr schema))

180optionalRepr = iso (\(FieldRepr (ReprOptional r)) -> r) (FieldRepr . ReprOptional)

186optionalRepr = iso (\(FieldRepr (ReprOptional r)) -> r) (FieldRepr . ReprOptional)

181

187

182−obj :: (SingI fields) => Iso' (JsonRepr ('SchemaObject fields)) (Rec FieldRepr fields)

188+obj :: Iso' (JsonRepr ('SchemaObject fields)) (Rec FieldRepr fields)

183obj = iso (\(ReprObject r) -> r) ReprObject

189obj = iso (\(ReprObject r) -> r) ReprObject

184

190

185−arr

186− :: (SingI schema)

187− => Iso' (JsonRepr ('SchemaArray cs schema)) (V.Vector (JsonRepr schema))

191+arr :: Iso' (JsonRepr ('SchemaArray cs schema)) (V.Vector (JsonRepr schema))

188arr = iso (\(ReprArray r) -> r) ReprArray

192arr = iso (\(ReprArray r) -> r) ReprArray

193+

194+uni :: Iso' (JsonRepr ('SchemaUnion (h ': tl))) (Union JsonRepr (h ': tl))

195+uni = iso (\(ReprUnion u) -> u) ReprUnion

196+

197+txt :: Iso' (JsonRepr ('SchemaText cs)) Text

198+txt = iso (\(ReprText t) -> t) ReprText

199+

200+num :: Iso' (JsonRepr ('SchemaNumber cs)) Scientific

201+num = iso (\(ReprNumber t) -> t) ReprNumber

202+

203+bln :: Iso' (JsonRepr 'SchemaBoolean) Bool

204+bln = iso (\(ReprBoolean b) -> b) ReprBoolean

205+

206+opt :: Iso' (JsonRepr ('SchemaOptional schema)) (Maybe (JsonRepr schema))

207+opt = iso (\(ReprOptional o) -> o) ReprOptional

src/Data/Schematic/Migration.hs+14−6

@@ -1,5 +1,6 @@

1{-# LANGUAGE AllowAmbiguousTypes #-}

2+{-# LANGUAGE CPP #-}

2−{-# LANGUAGE TemplateHaskell #-}

3+{-# LANGUAGE TemplateHaskell #-}

4module Data.Schematic.Migration where

5module Data.Schematic.Migration where

@@ -7,10 +8,10 @@ import Data.Kind

7import Data.Schematic.DSL

8import Data.Schematic.DSL

8import Data.Schematic.Lens

9import Data.Schematic.Lens

9import Data.Schematic.Path

10import Data.Schematic.Path

10−import Data.Tagged

11import Data.Schematic.Schema

12−import Data.Singletons.Prelude hiding (All, (:.))

12+import Data.Singletons.Prelude hiding ((:.), All)

13import Data.Singletons.TypeLits

14+import Data.Tagged

14import Data.Vinyl

15import Data.Vinyl

15import Data.Vinyl.Functor

16import Data.Vinyl.Functor

@@ -42,8 +43,8 @@ type family SchemaByKey (fs :: [(Symbol, Schema)]) (s :: Symbol) :: Schema where

42 SchemaByKey ( '(a, s) ': tl) fn = SchemaByKey tl fn

43 SchemaByKey ( '(a, s) ': tl) fn = SchemaByKey tl fn

44type family DeleteKey (acc :: [(Symbol, Schema)]) (fn :: Symbol) (fs :: [(Symbol, Schema)]) :: [(Symbol, Schema)] where

45type family DeleteKey (acc :: [(Symbol, Schema)]) (fn :: Symbol) (fs :: [(Symbol, Schema)]) :: [(Symbol, Schema)] where

45− DeleteKey acc fn ('(fn, a) ': tl) = acc :++ tl

46+ DeleteKey acc fn ('(fn, a) ': tl) = acc ++ tl

46− DeleteKey acc fn (fna ': tl) = acc :++ (fna ': tl)

47+ DeleteKey acc fn (fna ': tl) = acc ++ (fna ': tl)

48type family UpdateKey

49type family UpdateKey

49 (fn :: Symbol)

50 (fn :: Symbol)

@@ -146,7 +147,7 @@ data instance Sing (v :: Versioned) where

146

147

147type DataMigration s m h = Tagged s (JsonRepr h -> m (JsonRepr s))

148type DataMigration s m h = Tagged s (JsonRepr h -> m (JsonRepr s))

148

149

149−data MList :: (* -> *) -> [Schema] -> Type where

150+data MList :: (Type -> Type) -> [Schema] -> Type where

150 MNil :: (Monad m, SingI s, TopLevel s) => MList m '[s]

151 MNil :: (Monad m, SingI s, TopLevel s) => MList m '[s]

151 (:&&)

152 (:&&)

152 :: (TopLevel s, SingI s)

153 :: (TopLevel s, SingI s)

@@ -156,10 +157,17 @@ data MList :: (* -> *) -> [Schema] -> Type where

156

157

157infixr 7 :&&

158infixr 7 :&&

158

159

160+#if MIN_VERSION_base(4,12,0)

161+migrateObject

162+ :: forall m fs fh. (FSubset fs fs (FImage fs fs), Monad m, RMap fh, RMap fs)

163+ => (Rec (Tagged fs :. FieldRepr) fh -> m (Rec (Tagged fs :. FieldRepr) fs))

164+ -> Tagged ('SchemaObject fs) (JsonRepr ('SchemaObject fh) -> m (JsonRepr ('SchemaObject fs)))

165+#else

159migrateObject

166migrateObject

160 :: forall m fs fh. (FSubset fs fs (FImage fs fs), Monad m)

167 :: forall m fs fh. (FSubset fs fs (FImage fs fs), Monad m)

161 => (Rec (Tagged fs :. FieldRepr) fh -> m (Rec (Tagged fs :. FieldRepr) fs))

168 => (Rec (Tagged fs :. FieldRepr) fh -> m (Rec (Tagged fs :. FieldRepr) fs))

162 -> Tagged ('SchemaObject fs) (JsonRepr ('SchemaObject fh) -> m (JsonRepr ('SchemaObject fs)))

169 -> Tagged ('SchemaObject fs) (JsonRepr ('SchemaObject fh) -> m (JsonRepr ('SchemaObject fs)))

170+#endif

163migrateObject f = Tagged $ \(ReprObject r) -> do

171migrateObject f = Tagged $ \(ReprObject r) -> do

164 res <- f $ rmap (Compose . Tagged) r

172 res <- f $ rmap (Compose . Tagged) r

165 pure $ withRepr @('SchemaObject fs) res

173 pure $ withRepr @('SchemaObject fs) res

src/Data/Schematic/Path.hs+4−6

@@ -1,8 +1,6 @@

1module Data.Schematic.Path where

3import Data.Foldable as F

4−import Data.Monoid

5−import Data.Singletons

6import Data.Singletons.Prelude

4import Data.Singletons.Prelude

7import Data.Singletons.TypeLits

5import Data.Singletons.TypeLits

8import Data.Text as T

6import Data.Text as T

@@ -26,10 +24,10 @@ demotePath = go []

26 where

24 where

27 go :: [DemotedPathSegment] -> Sing (ps :: [PathSegment]) -> [DemotedPathSegment]

25 go :: [DemotedPathSegment] -> Sing (ps :: [PathSegment]) -> [DemotedPathSegment]

28 go acc SNil = acc

26 go acc SNil = acc

29− go acc (SCons p ps) = go (acc ++ [demote p]) ps

27+ go acc (SCons p ps) = go (acc ++ [demotePathSeg p]) ps

30− demote :: Sing (ps :: PathSegment) -> DemotedPathSegment

28+ demotePathSeg :: Sing (ps :: PathSegment) -> DemotedPathSegment

31− demote (SKey s) = DKey $ T.pack $ withKnownSymbol s $ symbolVal s

29+ demotePathSeg (SKey s) = DKey $ T.pack $ withKnownSymbol s $ symbolVal s

32− demote (SIx n) = DIx $ withKnownNat n $ natVal n

30+ demotePathSeg (SIx n) = DIx $ withKnownNat n $ fromIntegral $ natVal n

34demotedPathToText :: [DemotedPathSegment] -> JSONPath

32demotedPathToText :: [DemotedPathSegment] -> JSONPath

35demotedPathToText = JSONPath . F.foldl' renderPathSegment ""

33demotedPathToText = JSONPath . F.foldl' renderPathSegment ""

src/Data/Schematic/Schema.hs+148−60

@@ -1,6 +1,7 @@

1{-# LANGUAGE AllowAmbiguousTypes #-}

2+{-# LANGUAGE CPP #-}

2−{-# LANGUAGE OverloadedLists #-}

3+{-# LANGUAGE OverloadedLists #-}

3−{-# LANGUAGE OverloadedStrings #-}

4+{-# LANGUAGE OverloadedStrings #-}

4{-# OPTIONS_GHC -fprint-explicit-kinds #-}

5{-# OPTIONS_GHC -fprint-explicit-kinds #-}

6module Data.Schematic.Schema where

7module Data.Schematic.Schema where

@@ -12,6 +13,7 @@ import Data.Aeson.Types as J

12import Data.HashMap.Strict as H

13import Data.HashMap.Strict as H

13import Data.Kind

14import Data.Kind

14import Data.Maybe

15import Data.Maybe

16+import Data.Schematic.Generator

15import Data.Schematic.Instances ()

17import Data.Schematic.Instances ()

16import Data.Scientific

18import Data.Scientific

17import Data.Singletons.Prelude.List hiding (All, Union)

19import Data.Singletons.Prelude.List hiding (All, Union)

@@ -24,7 +26,8 @@ import Data.Vinyl hiding (Dict)

24import qualified Data.Vinyl.TypeLevel as V

26import qualified Data.Vinyl.TypeLevel as V

25import GHC.Exts

27import GHC.Exts

26import GHC.Generics (Generic)

28import GHC.Generics (Generic)

29+import GHC.TypeLits

27−import GHC.TypeLits (SomeNat(..), SomeSymbol(..), someSymbolVal, someNatVal)

30+ (SomeNat(..), SomeSymbol(..), someNatVal, someSymbolVal)

28import Prelude as P

31import Prelude as P

29import Test.SmallCheck.Series

32import Test.SmallCheck.Series

@@ -48,33 +51,33 @@ data TextConstraint

48instance SingKind TextConstraint where

51instance SingKind TextConstraint where

49 type Demote TextConstraint = DemotedTextConstraint

52 type Demote TextConstraint = DemotedTextConstraint

50 fromSing = \case

53 fromSing = \case

51− STEq n -> withKnownNat n (DTEq $ natVal n)

54+ STEq n -> withKnownNat n (DTEq . fromIntegral $ natVal n)

52− STLt n -> withKnownNat n (DTLt $ natVal n)

55+ STLt n -> withKnownNat n (DTLt . fromIntegral $ natVal n)

53− STLe n -> withKnownNat n (DTLe $ natVal n)

56+ STLe n -> withKnownNat n (DTLe . fromIntegral $ natVal n)

54− STGt n -> withKnownNat n (DTGt $ natVal n)

57+ STGt n -> withKnownNat n (DTGt . fromIntegral $ natVal n)

55− STGe n -> withKnownNat n (DTGe $ natVal n)

58+ STGe n -> withKnownNat n (DTGe . fromIntegral $ natVal n)

56 STRegex s -> withKnownSymbol s (DTRegex $ T.pack $ symbolVal s)

59 STRegex s -> withKnownSymbol s (DTRegex $ T.pack $ symbolVal s)

57 STEnum s -> let

60 STEnum s -> let

58 d :: Sing (s :: [Symbol]) -> [Text]

61 d :: Sing (s :: [Symbol]) -> [Text]

59− d SNil = []

62+ d SNil = []

60 d (SCons ss@SSym fs) = T.pack (symbolVal ss) : d fs

63 d (SCons ss@SSym fs) = T.pack (symbolVal ss) : d fs

61 in DTEnum $ d s

64 in DTEnum $ d s

62 toSing = \case

65 toSing = \case

63 DTEq n -> case someNatVal n of

66 DTEq n -> case someNatVal n of

64 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STEq (SNat :: Sing n))

67 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STEq (SNat :: Sing n))

65− Nothing -> error "Negative singleton nat"

68+ Nothing -> error "Negative singleton nat"

66 DTLt n -> case someNatVal n of

69 DTLt n -> case someNatVal n of

67 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STLt (SNat :: Sing n))

70 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STLt (SNat :: Sing n))

68− Nothing -> error "Negative singleton nat"

71+ Nothing -> error "Negative singleton nat"

69 DTLe n -> case someNatVal n of

72 DTLe n -> case someNatVal n of

70 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STLe (SNat :: Sing n))

73 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STLe (SNat :: Sing n))

71− Nothing -> error "Negative singleton nat"

74+ Nothing -> error "Negative singleton nat"

72 DTGt n -> case someNatVal n of

75 DTGt n -> case someNatVal n of

73 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STGt (SNat :: Sing n))

76 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STGt (SNat :: Sing n))

74− Nothing -> error "Negative singleton nat"

77+ Nothing -> error "Negative singleton nat"

75 DTGe n -> case someNatVal n of

78 DTGe n -> case someNatVal n of

76 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STGe (SNat :: Sing n))

79 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STGe (SNat :: Sing n))

77− Nothing -> error "Negative singleton nat"

80+ Nothing -> error "Negative singleton nat"

78 DTRegex s -> case someSymbolVal (T.unpack s) of

81 DTRegex s -> case someSymbolVal (T.unpack s) of

79 SomeSymbol (_ :: Proxy n) -> SomeSing (STRegex (SSym :: Sing n))

82 SomeSymbol (_ :: Proxy n) -> SomeSing (STRegex (SSym :: Sing n))

80 DTEnum ss -> case toSing ss of

83 DTEnum ss -> case toSing ss of

@@ -88,7 +91,7 @@ data DemotedTextConstraint

88 | DTGe Integer

91 | DTGe Integer

89 | DTRegex Text

92 | DTRegex Text

90 | DTEnum [Text]

93 | DTEnum [Text]

91− deriving (Generic)

94+ deriving (Generic, Eq, Show)

93data instance Sing (tc :: TextConstraint) where

96data instance Sing (tc :: TextConstraint) where

94 STEq :: Sing n -> Sing ('TEq n)

97 STEq :: Sing n -> Sing ('TEq n)

@@ -129,7 +132,7 @@ data DemotedNumberConstraint

129 | DNGt Integer

132 | DNGt Integer

130 | DNGe Integer

133 | DNGe Integer

131 | DNEq Integer

134 | DNEq Integer

132− deriving (Generic)

135+ deriving (Generic, Eq, Show)

133

136

134data instance Sing (nc :: NumberConstraint) where

137data instance Sing (nc :: NumberConstraint) where

135 SNEq :: Sing n -> Sing ('NEq n)

138 SNEq :: Sing n -> Sing ('NEq n)

@@ -153,51 +156,87 @@ instance Eq (Sing ('NGe n)) where _ == _ = True

153instance SingKind NumberConstraint where

156instance SingKind NumberConstraint where

154 type Demote NumberConstraint = DemotedNumberConstraint

157 type Demote NumberConstraint = DemotedNumberConstraint

155 fromSing = \case

158 fromSing = \case

156− SNEq n -> withKnownNat n (DNEq $ natVal n)

159+ SNEq n -> withKnownNat n (DNEq . fromIntegral $ natVal n)

157− SNGt n -> withKnownNat n (DNGt $ natVal n)

160+ SNGt n -> withKnownNat n (DNGt . fromIntegral $ natVal n)

158− SNGe n -> withKnownNat n (DNGe $ natVal n)

161+ SNGe n -> withKnownNat n (DNGe . fromIntegral $ natVal n)

159− SNLt n -> withKnownNat n (DNLt $ natVal n)

162+ SNLt n -> withKnownNat n (DNLt . fromIntegral $ natVal n)

160− SNLe n -> withKnownNat n (DNLe $ natVal n)

163+ SNLe n -> withKnownNat n (DNLe . fromIntegral $ natVal n)

161 toSing = \case

164 toSing = \case

162 DNEq n -> case someNatVal n of

165 DNEq n -> case someNatVal n of

163 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNEq (SNat :: Sing n))

166 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNEq (SNat :: Sing n))

164− Nothing -> error "Negative singleton nat"

167+ Nothing -> error "Negative singleton nat"

165 DNGt n -> case someNatVal n of

168 DNGt n -> case someNatVal n of

166 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNGt (SNat :: Sing n))

169 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNGt (SNat :: Sing n))

167− Nothing -> error "Negative singleton nat"

170+ Nothing -> error "Negative singleton nat"

168 DNGe n -> case someNatVal n of

171 DNGe n -> case someNatVal n of

169 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNGe (SNat :: Sing n))

172 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNGe (SNat :: Sing n))

170− Nothing -> error "Negative singleton nat"

173+ Nothing -> error "Negative singleton nat"

171 DNLt n -> case someNatVal n of

174 DNLt n -> case someNatVal n of

172 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNLt (SNat :: Sing n))

175 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNLt (SNat :: Sing n))

173− Nothing -> error "Negative singleton nat"

176+ Nothing -> error "Negative singleton nat"

174 DNLe n -> case someNatVal n of

177 DNLe n -> case someNatVal n of

175 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNLe (SNat :: Sing n))

178 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNLe (SNat :: Sing n))

176− Nothing -> error "Negative singleton nat"

179+ Nothing -> error "Negative singleton nat"

177

180

178data ArrayConstraint

181data ArrayConstraint

179 = AEq Nat

182 = AEq Nat

183+ | AGt Nat

184+ | AGe Nat

185+ | ALt Nat

186+ | ALe Nat

180 deriving (Generic)

187 deriving (Generic)

181

188

182data DemotedArrayConstraint

189data DemotedArrayConstraint

183 = DAEq Integer

190 = DAEq Integer

191+ | DAGt Integer

192+ | DAGe Integer

193+ | DALt Integer

194+ | DALe Integer

184− deriving (Generic)

195+ deriving (Generic, Eq, Show)

185

196

186data instance Sing (ac :: ArrayConstraint) where

197data instance Sing (ac :: ArrayConstraint) where

187 SAEq :: Sing n -> Sing ('AEq n)

198 SAEq :: Sing n -> Sing ('AEq n)

199+ SAGt :: Sing n -> Sing ('AGt n)

200+ SAGe :: Sing n -> Sing ('AGe n)

201+ SALt :: Sing n -> Sing ('ALt n)

202+ SALe :: Sing n -> Sing ('ALe n)

188

203

189instance KnownNat n => SingI ('AEq n) where sing = SAEq sing

204instance KnownNat n => SingI ('AEq n) where sing = SAEq sing

205+instance KnownNat n => SingI ('AGt n) where sing = SAGt sing

206+instance KnownNat n => SingI ('AGe n) where sing = SAGe sing

207+instance KnownNat n => SingI ('ALt n) where sing = SALt sing

208+instance KnownNat n => SingI ('ALe n) where sing = SALe sing

190

209

191instance Eq (Sing ('AEq n)) where _ == _ = True

210instance Eq (Sing ('AEq n)) where _ == _ = True

211+instance Eq (Sing ('AGt n)) where _ == _ = True

212+instance Eq (Sing ('AGe n)) where _ == _ = True

213+instance Eq (Sing ('ALt n)) where _ == _ = True

214+instance Eq (Sing ('ALe n)) where _ == _ = True

192

215

193instance SingKind ArrayConstraint where

216instance SingKind ArrayConstraint where

194 type Demote ArrayConstraint = DemotedArrayConstraint

217 type Demote ArrayConstraint = DemotedArrayConstraint

195 fromSing = \case

218 fromSing = \case

196− SAEq n -> withKnownNat n (DAEq $ natVal n)

219+ SAEq n -> withKnownNat n (DAEq . fromIntegral $ natVal n)

220+ SAGt n -> withKnownNat n (DAGt . fromIntegral $ natVal n)

221+ SAGe n -> withKnownNat n (DAGe . fromIntegral $ natVal n)

222+ SALt n -> withKnownNat n (DALt . fromIntegral $ natVal n)

223+ SALe n -> withKnownNat n (DALe . fromIntegral $ natVal n)

197 toSing = \case

224 toSing = \case

198 DAEq n -> case someNatVal n of

225 DAEq n -> case someNatVal n of

199 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAEq (SNat :: Sing n))

226 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAEq (SNat :: Sing n))

227+ Nothing -> error "Negative singleton nat"

228+ DAGt n -> case someNatVal n of

229+ Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAGt (SNat :: Sing n))

230+ Nothing -> error "Negative singleton nat"

231+ DAGe n -> case someNatVal n of

232+ Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAGe (SNat :: Sing n))

233+ Nothing -> error "Negative singleton nat"

234+ DALt n -> case someNatVal n of

235+ Just (SomeNat (_ :: Proxy n)) -> SomeSing (SALt (SNat :: Sing n))

236+ Nothing -> error "Negative singleton nat"

237+ DALe n -> case someNatVal n of

238+ Just (SomeNat (_ :: Proxy n)) -> SomeSing (SALe (SNat :: Sing n))

200− Nothing -> error "Negative singleton nat"

239+ Nothing -> error "Negative singleton nat"

201

240

202data Schema

241data Schema

203 = SchemaText [TextConstraint]

242 = SchemaText [TextConstraint]

@@ -219,7 +258,7 @@ data DemotedSchema

219 | DSchemaNull

258 | DSchemaNull

220 | DSchemaOptional DemotedSchema

259 | DSchemaOptional DemotedSchema

221 | DSchemaUnion [DemotedSchema]

260 | DSchemaUnion [DemotedSchema]

222− deriving (Generic)

261+ deriving (Generic, Eq, Show)

223

262

224data instance Sing (schema :: Schema) where

263data instance Sing (schema :: Schema) where

225 SSchemaText :: Sing tcs -> Sing ('SchemaText tcs)

264 SSchemaText :: Sing tcs -> Sing ('SchemaText tcs)

@@ -334,6 +373,31 @@ data JsonRepr :: Schema -> Type where

334 ReprOptional :: Maybe (JsonRepr s) -> JsonRepr ('SchemaOptional s)

373 ReprOptional :: Maybe (JsonRepr s) -> JsonRepr ('SchemaOptional s)

335 ReprUnion :: Union JsonRepr (h ': tl) -> JsonRepr ('SchemaUnion (h ': tl))

374 ReprUnion :: Union JsonRepr (h ': tl) -> JsonRepr ('SchemaUnion (h ': tl))

336

375

376+instance (Monad m, Serial m Text, SingI cs)

377+ => Serial m (JsonRepr ('SchemaText cs)) where

378+ series = decDepth $ fmap ReprText $ textSeries $ fromSing (sing :: Sing cs)

379+

380+instance (Monad m, Serial m Scientific, SingI cs)

381+ => Serial m (JsonRepr ('SchemaNumber cs)) where

382+ series = decDepth $ fmap ReprNumber

383+ $ numberSeries $ fromSing (sing :: Sing cs)

384+

385+instance Monad m => Serial m (JsonRepr 'SchemaNull) where

386+ series = cons0 ReprNull

387+

388+instance (Serial m (JsonRepr s), Serial m (V.Vector (JsonRepr s)), SingI cs)

389+ => Serial m (JsonRepr ('SchemaArray cs s)) where

390+ series = decDepth $ fmap ReprArray

391+ $ arraySeries $ fromSing (sing :: Sing cs)

392+

393+instance (Serial m (JsonRepr s))

394+ => Serial m (JsonRepr ('SchemaOptional s)) where

395+ series = cons1 ReprOptional

396+

397+instance (Monad m, Serial m (Rec FieldRepr fs))

398+ => Serial m (JsonRepr ('SchemaObject fs)) where

399+ series = cons1 ReprObject

400+

337-- | Move to the union package

401-- | Move to the union package

338instance Show (JsonRepr ('SchemaText cs)) where

402instance Show (JsonRepr ('SchemaText cs)) where

339 show (ReprText t) = "ReprText " P.++ show t

403 show (ReprText t) = "ReprText " P.++ show t

@@ -341,39 +405,31 @@ instance Show (JsonRepr ('SchemaText cs)) where

341instance Show (JsonRepr ('SchemaNumber cs)) where

405instance Show (JsonRepr ('SchemaNumber cs)) where

342 show (ReprNumber n) = "ReprNumber " P.++ show n

406 show (ReprNumber n) = "ReprNumber " P.++ show n

343

407

408+instance Show (JsonRepr 'SchemaBoolean) where

409+ show (ReprBoolean n) = "ReprBoolean " P.++ show n

410+

344instance Show (JsonRepr 'SchemaNull) where show _ = "ReprNull"

411instance Show (JsonRepr 'SchemaNull) where show _ = "ReprNull"

345

412

346instance Show (JsonRepr s) => Show (JsonRepr ('SchemaArray acs s)) where

413instance Show (JsonRepr s) => Show (JsonRepr ('SchemaArray acs s)) where

347 show (ReprArray v) = "ReprArray " P.++ show v

414 show (ReprArray v) = "ReprArray " P.++ show v

348

415

416+#if MIN_VERSION_base(4,12,0)

417+instance

418+ ( V.RecAll FieldRepr fs Show, RMap fs, ReifyConstraint Show FieldRepr fs

419+ , RecordToList fs )

420+ => Show (JsonRepr ('SchemaObject fs)) where

421+ show (ReprObject fs) = "ReprObject " P.++ show fs

422+#else

349instance V.RecAll FieldRepr fs Show => Show (JsonRepr ('SchemaObject fs)) where

423instance V.RecAll FieldRepr fs Show => Show (JsonRepr ('SchemaObject fs)) where

350 show (ReprObject fs) = "ReprObject " P.++ show fs

424 show (ReprObject fs) = "ReprObject " P.++ show fs

425+#endif

351

426

352instance Show (JsonRepr s) => Show (JsonRepr ('SchemaOptional s)) where

427instance Show (JsonRepr s) => Show (JsonRepr ('SchemaOptional s)) where

353 show (ReprOptional s) = "ReprOptional " P.++ show s

428 show (ReprOptional s) = "ReprOptional " P.++ show s

354

429

355−instance (Monad m, Serial m Text)

430+instance Show (Union JsonRepr (h ': tl))

356− => Serial m (JsonRepr ('SchemaText cs)) where

431+ => Show (JsonRepr ('SchemaUnion (h ': tl))) where

357− series = cons1 ReprText

432+ show (ReprUnion s) = "ReprUnion " P.++ show s

358−

359−instance (Monad m, Serial m Scientific)

360− => Serial m (JsonRepr ('SchemaNumber cs)) where

361− series = cons1 ReprNumber

362−

363−instance Monad m => Serial m (JsonRepr 'SchemaNull) where

364− series = cons0 ReprNull

365−

366−instance (Serial m (V.Vector (JsonRepr s)))

367− => Serial m (JsonRepr ('SchemaArray cs s)) where

368− series = cons1 ReprArray

369−

370−instance (Serial m (JsonRepr s))

371− => Serial m (JsonRepr ('SchemaOptional s)) where

372− series = cons1 ReprOptional

373−

374−instance (Monad m, Serial m (Rec FieldRepr fs))

375− => Serial m (JsonRepr ('SchemaObject fs)) where

376− series = cons1 ReprObject

377

433

378instance Eq (Rec FieldRepr fs) => Eq (JsonRepr ('SchemaObject fs)) where

434instance Eq (Rec FieldRepr fs) => Eq (JsonRepr ('SchemaObject fs)) where

379 ReprObject a == ReprObject b = a == b

435 ReprObject a == ReprObject b = a == b

@@ -384,6 +440,9 @@ instance Eq (JsonRepr ('SchemaText cs)) where

384instance Eq (JsonRepr ('SchemaNumber cs)) where

440instance Eq (JsonRepr ('SchemaNumber cs)) where

385 ReprNumber a == ReprNumber b = a == b

441 ReprNumber a == ReprNumber b = a == b

386

442

443+instance Eq (JsonRepr 'SchemaBoolean) where

444+ ReprBoolean a == ReprBoolean b = a == b

445+

387instance Eq (JsonRepr 'SchemaNull) where

446instance Eq (JsonRepr 'SchemaNull) where

388 ReprNull == ReprNull = True

447 ReprNull == ReprNull = True

389

448

@@ -393,6 +452,35 @@ instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaArray as s)) where

393instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaOptional s)) where

452instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaOptional s)) where

394 ReprOptional a == ReprOptional b = a == b

453 ReprOptional a == ReprOptional b = a == b

395

454

455+instance Eq (Union JsonRepr (h ': tl))

456+ => Eq (JsonRepr ('SchemaUnion (h ': tl))) where

457+ ReprUnion a == ReprUnion b = a == b

458+

459+instance Ord (Rec FieldRepr fs) => Ord (JsonRepr ('SchemaObject fs)) where

460+ ReprObject a `compare` ReprObject b = a `compare` b

461+

462+instance Ord (JsonRepr ('SchemaText cs)) where

463+ ReprText a `compare` ReprText b = a `compare` b

464+

465+instance Ord (JsonRepr ('SchemaNumber cs)) where

466+ ReprNumber a `compare` ReprNumber b = a `compare` b

467+

468+instance Ord (JsonRepr 'SchemaBoolean) where

469+ ReprBoolean a `compare` ReprBoolean b = a `compare` b

470+

471+instance Ord (JsonRepr 'SchemaNull) where

472+ compare _ _ = EQ

473+

474+instance Ord (JsonRepr s) => Ord (JsonRepr ('SchemaArray as s)) where

475+ ReprArray a `compare` ReprArray b = a `compare` b

476+

477+instance Ord (JsonRepr s) => Ord (JsonRepr ('SchemaOptional s)) where

478+ ReprOptional a `compare` ReprOptional b = a `compare` b

479+

480+instance Ord (Union JsonRepr (h ': tl))

481+ => Ord (JsonRepr ('SchemaUnion (h ': tl))) where

482+ ReprUnion a `compare` ReprUnion b = a `compare` b

483+

396instance IsList (JsonRepr ('SchemaArray cs s)) where

484instance IsList (JsonRepr ('SchemaArray cs s)) where

397 type Item (JsonRepr ('SchemaArray cs s)) = JsonRepr s

485 type Item (JsonRepr ('SchemaArray cs s)) = JsonRepr s

398 fromList = ReprArray . GHC.Exts.fromList

486 fromList = ReprArray . GHC.Exts.fromList

@@ -454,25 +542,25 @@ instance SingI schema => J.FromJSON (JsonRepr schema) where

454 fieldRepr <- case s of

542 fieldRepr <- case s of

455 SSchemaText so -> case H.lookup fieldName h of

543 SSchemaText so -> case H.lookup fieldName h of

456 Just v -> withSingI so $ FieldRepr <$> parseJSON v

544 Just v -> withSingI so $ FieldRepr <$> parseJSON v

457− Nothing -> fail "schematext"

545+ Nothing -> fail $ "No text field: " P.++ show fieldName

458 SSchemaNumber so -> case H.lookup fieldName h of

546 SSchemaNumber so -> case H.lookup fieldName h of

459 Just v -> withSingI so $ FieldRepr <$> parseJSON v

547 Just v -> withSingI so $ FieldRepr <$> parseJSON v

460− Nothing -> fail "schemanumber"

548+ Nothing -> fail $ "No number field: " P.++ show fieldName

461 SSchemaBoolean -> case H.lookup fieldName h of

549 SSchemaBoolean -> case H.lookup fieldName h of

462 Just v -> FieldRepr <$> parseJSON v

550 Just v -> FieldRepr <$> parseJSON v

463− Nothing -> fail "schemaboolean"

551+ Nothing -> fail $ "No boolean field: " P.++ show fieldName

464 SSchemaNull -> case H.lookup fieldName h of

552 SSchemaNull -> case H.lookup fieldName h of

465 Just v -> FieldRepr <$> parseJSON v

553 Just v -> FieldRepr <$> parseJSON v

466− Nothing -> fail "schemanull"

554+ Nothing -> fail $ "No null field: " P.++ show fieldName

467 SSchemaArray sa sb -> case H.lookup fieldName h of

555 SSchemaArray sa sb -> case H.lookup fieldName h of

468 Just v -> withSingI sa $ withSingI sb $ FieldRepr <$> parseJSON v

556 Just v -> withSingI sa $ withSingI sb $ FieldRepr <$> parseJSON v

469− Nothing -> fail "schemaarray"

557+ Nothing -> fail $ "No array field: " P.++ show fieldName

470 SSchemaObject so -> case H.lookup fieldName h of

558 SSchemaObject so -> case H.lookup fieldName h of

471 Just v -> withSingI so $ FieldRepr <$> parseJSON v

559 Just v -> withSingI so $ FieldRepr <$> parseJSON v

472− Nothing -> fail "schemaobject"

560+ Nothing -> fail $ "No object field" P.++ show fieldName

473 SSchemaOptional so -> case H.lookup fieldName h of

561 SSchemaOptional so -> case H.lookup fieldName h of

474 Just v -> withSingI so $ FieldRepr <$> parseJSON v

562 Just v -> withSingI so $ FieldRepr <$> parseJSON v

475− Nothing -> fail "schemaoptional"

563+ Nothing -> withSingI so $ pure $ FieldRepr $ ReprOptional Nothing

476 SSchemaUnion ss -> withSingI ss $ FieldRepr <$> parseUnion ss value

564 SSchemaUnion ss -> withSingI ss $ FieldRepr <$> parseUnion ss value

477 (fieldRepr :&) <$> demoteFields tl h

565 (fieldRepr :&) <$> demoteFields tl h

478 ReprObject <$> withObject "Object" (demoteFields fs) value

566 ReprObject <$> withObject "Object" (demoteFields fs) value

@@ -484,7 +572,7 @@ instance J.ToJSON (JsonRepr a) where

484 toJSON (ReprText t) = J.String t

572 toJSON (ReprText t) = J.String t

485 toJSON (ReprNumber n) = J.Number n

573 toJSON (ReprNumber n) = J.Number n

486 toJSON (ReprOptional s) = case s of

574 toJSON (ReprOptional s) = case s of

487− Just v -> toJSON v

575+ Just v -> toJSON v

488 Nothing -> J.Null

576 Nothing -> J.Null

489 toJSON (ReprArray v) = J.Array $ toJSON <$> v

577 toJSON (ReprArray v) = J.Array $ toJSON <$> v

490 toJSON (ReprObject r) = J.Object . H.fromList . fold $ r

578 toJSON (ReprObject r) = J.Object . H.fromList . fold $ r

src/Data/Schematic/Schema.hs-bootnew file+95

@@ -0,0 +1,95 @@

1+module Data.Schematic.Schema where

3+import Data.Kind

4+import Data.Maybe

5+import Data.Schematic.Instances ()

6+import Data.Scientific

7+import Data.Singletons.TH

8+import Data.Singletons.TypeLits

9+import Data.Text as T

10+import Data.Union

11+import Data.Vector as V

12+import Data.Vinyl hiding (Dict)

13+import Prelude as P

14+

15+data TextConstraint

16+ = TEq Nat

17+ | TLt Nat

18+ | TLe Nat

19+ | TGt Nat

20+ | TGe Nat

21+ | TRegex Symbol

22+ | TEnum [Symbol]

23+

24+data DemotedTextConstraint

25+ = DTEq Integer

26+ | DTLt Integer

27+ | DTLe Integer

28+ | DTGt Integer

29+ | DTGe Integer

30+ | DTRegex Text

31+ | DTEnum [Text]

32+

33+data NumberConstraint

34+ = NLe Nat

35+ | NLt Nat

36+ | NGt Nat

37+ | NGe Nat

38+ | NEq Nat

39+

40+data DemotedNumberConstraint

41+ = DNLe Integer

42+ | DNLt Integer

43+ | DNGt Integer

44+ | DNGe Integer

45+ | DNEq Integer

46+

47+data ArrayConstraint

48+ = AEq Nat

49+ | AGt Nat

50+ | AGe Nat

51+ | ALt Nat

52+ | ALe Nat

53+

54+data DemotedArrayConstraint

55+ = DAEq Integer

56+ | DAGt Integer

57+ | DAGe Integer

58+ | DALt Integer

59+ | DALe Integer

60+

61+data Schema

62+ = SchemaText [TextConstraint]

63+ | SchemaBoolean

64+ | SchemaNumber [NumberConstraint]

65+ | SchemaObject [(Symbol, Schema)]

66+ | SchemaArray [ArrayConstraint] Schema

67+ | SchemaNull

68+ | SchemaOptional Schema

69+ | SchemaUnion [Schema]

70+

71+data DemotedSchema

72+ = DSchemaText [DemotedTextConstraint]

73+ | DSchemaNumber [DemotedNumberConstraint]

74+ | DSchemaBoolean

75+ | DSchemaObject [(Text, DemotedSchema)]

76+ | DSchemaArray [DemotedArrayConstraint] DemotedSchema

77+ | DSchemaNull

78+ | DSchemaOptional DemotedSchema

79+ | DSchemaUnion [DemotedSchema]

80+

81+data FieldRepr :: (Symbol, Schema) -> Type where

82+ FieldRepr

83+ :: (SingI schema, KnownSymbol name)

84+ => JsonRepr schema

85+ -> FieldRepr '(name, schema)

86+

87+data JsonRepr :: Schema -> Type where

88+ ReprText :: Text -> JsonRepr ('SchemaText cs)

89+ ReprNumber :: Scientific -> JsonRepr ('SchemaNumber cs)

90+ ReprBoolean :: Bool -> JsonRepr 'SchemaBoolean

91+ ReprNull :: JsonRepr 'SchemaNull

92+ ReprArray :: V.Vector (JsonRepr s) -> JsonRepr ('SchemaArray cs s)

93+ ReprObject :: Rec FieldRepr fs -> JsonRepr ('SchemaObject fs)

94+ ReprOptional :: Maybe (JsonRepr s) -> JsonRepr ('SchemaOptional s)

95+ ReprUnion :: Union JsonRepr (h ': tl) -> JsonRepr ('SchemaUnion (h ': tl))

src/Data/Schematic/Validation.hs+76−19

@@ -2,6 +2,8 @@ module Data.Schematic.Validation where

3import Control.Monad

4import Control.Monad.Validation

5+import Data.Aeson

6+import Data.Aeson.Types

5import Data.Foldable

7import Data.Foldable

6import Data.Functor.Identity

8import Data.Functor.Identity

7import Data.Monoid

9import Data.Monoid

@@ -30,6 +32,10 @@ data ParseResult a

30 | ValidationError ErrorMap -- runtime

32 | ValidationError ErrorMap -- runtime

31 deriving (Show, Eq, Functor, Foldable, Traversable)

33 deriving (Show, Eq, Functor, Foldable, Traversable)

35+instance (TopLevel a, SingI a, FromJSON (JsonRepr a))

36+ => FromJSON (ParseResult (JsonRepr a)) where

37+ parseJSON = pure . parseAndValidateJson @a

38+

33isValid :: ParseResult a -> Bool

39isValid :: ParseResult a -> Bool

34isValid (Valid _) = True

40isValid (Valid _) = True

35isValid _ = False

41isValid _ = False

@@ -52,42 +58,42 @@ validateTextConstraint (JSONPath path) t = \case

52 let

58 let

53 nlen = withKnownNat n $ natVal n

59 nlen = withKnownNat n $ natVal n

54 predicate = nlen == (fromIntegral $ T.length t)

60 predicate = nlen == (fromIntegral $ T.length t)

55− errMsg = "length of " <> path <> " should be == " <> T.pack (show nlen)

61+ errMsg = "length should be == " <> T.pack (show nlen)

56 warn = vWarning $ mmSingleton path (pure errMsg)

62 warn = vWarning $ mmSingleton path (pure errMsg)

57 unless predicate warn

63 unless predicate warn

58 STLt n -> do

64 STLt n -> do

59 let

65 let

60 nlen = withKnownNat n $ natVal n

66 nlen = withKnownNat n $ natVal n

61− predicate = nlen < (fromIntegral $ T.length t)

67+ predicate = nlen > (fromIntegral $ T.length t)

62− errMsg = "length of " <> path <> " should be < " <> T.pack (show nlen)

68+ errMsg = "length should be < " <> T.pack (show nlen)

63 warn = vWarning $ mmSingleton path (pure errMsg)

69 warn = vWarning $ mmSingleton path (pure errMsg)

64 unless predicate warn

70 unless predicate warn

65 STLe n -> do

71 STLe n -> do

66 let

72 let

67 nlen = withKnownNat n $ natVal n

73 nlen = withKnownNat n $ natVal n

68− predicate = nlen <= (fromIntegral $ T.length t)

74+ predicate = nlen >= (fromIntegral $ T.length t)

69− errMsg = "length of " <> path <> " should be <= " <> T.pack (show nlen)

75+ errMsg = "length should be <= " <> T.pack (show nlen)

70 warn = vWarning $ mmSingleton path (pure errMsg)

76 warn = vWarning $ mmSingleton path (pure errMsg)

71 unless predicate warn

77 unless predicate warn

72 STGt n -> do

78 STGt n -> do

73 let

79 let

74 nlen = withKnownNat n $ natVal n

80 nlen = withKnownNat n $ natVal n

75− predicate = nlen > (fromIntegral $ T.length t)

81+ predicate = nlen < (fromIntegral $ T.length t)

76− errMsg = "length of " <> path <> " should be > " <> T.pack (show nlen)

82+ errMsg = "length should be > " <> T.pack (show nlen)

77 warn = vWarning $ mmSingleton path (pure errMsg)

83 warn = vWarning $ mmSingleton path (pure errMsg)

78 unless predicate warn

84 unless predicate warn

79 STGe n -> do

85 STGe n -> do

80 let

86 let

81 nlen = withKnownNat n $ natVal n

87 nlen = withKnownNat n $ natVal n

82− predicate = nlen >= (fromIntegral $ T.length t)

88+ predicate = nlen <= (fromIntegral $ T.length t)

83− errMsg = "length of " <> path <> " should be >= " <> T.pack (show nlen)

89+ errMsg = "length should be >= " <> T.pack (show nlen)

84 warn = vWarning $ mmSingleton path (pure errMsg)

90 warn = vWarning $ mmSingleton path (pure errMsg)

85 unless predicate warn

91 unless predicate warn

86 STRegex r -> do

92 STRegex r -> do

87 let

93 let

88 regex = withKnownSymbol r $ fromSing r

94 regex = withKnownSymbol r $ fromSing r

89 predicate = matchTest (makeRegex (T.unpack regex) :: Regex) (T.unpack t)

95 predicate = matchTest (makeRegex (T.unpack regex) :: Regex) (T.unpack t)

90− errMsg = path <> " must match " <> regex

96+ errMsg = "must match " <> regex

91 warn = vWarning $ mmSingleton path (pure errMsg)

97 warn = vWarning $ mmSingleton path (pure errMsg)

92 unless predicate warn

98 unless predicate warn

93 STEnum ss -> do

99 STEnum ss -> do

@@ -95,7 +101,7 @@ validateTextConstraint (JSONPath path) t = \case

95 matching :: Sing (s :: [Symbol]) -> Bool

101 matching :: Sing (s :: [Symbol]) -> Bool

96 matching SNil = False

102 matching SNil = False

97 matching (SCons s@SSym fs) = T.pack (symbolVal s) == t || matching fs

103 matching (SCons s@SSym fs) = T.pack (symbolVal s) == t || matching fs

98− errMsg = path <> " must be one of " <> T.pack (show (fromSing ss))

104+ errMsg = "must be one of " <> T.pack (show (fromSing ss))

99 warn = vWarning $ mmSingleton path (pure errMsg)

105 warn = vWarning $ mmSingleton path (pure errMsg)

100 unless (matching ss) warn

106 unless (matching ss) warn

101

107

@@ -109,35 +115,35 @@ validateNumberConstraint (JSONPath path) num = \case

109 let

115 let

110 nlen = withKnownNat n $ natVal n

116 nlen = withKnownNat n $ natVal n

111 predicate = fromIntegral nlen == num

117 predicate = fromIntegral nlen == num

112− errMsg = path <> " should be == " <> T.pack (show nlen)

118+ errMsg = "should be == " <> T.pack (show nlen)

113 warn = vWarning $ mmSingleton path (pure errMsg)

119 warn = vWarning $ mmSingleton path (pure errMsg)

114 unless predicate warn

120 unless predicate warn

115 SNGt n -> do

121 SNGt n -> do

116 let

122 let

117 nlen = withKnownNat n $ natVal n

123 nlen = withKnownNat n $ natVal n

118 predicate = num > fromIntegral nlen

124 predicate = num > fromIntegral nlen

119− errMsg = path <> " should be > " <> T.pack (show nlen)

125+ errMsg = "should be > " <> T.pack (show nlen)

120 warn = vWarning $ mmSingleton path (pure errMsg)

126 warn = vWarning $ mmSingleton path (pure errMsg)

121 unless predicate warn

127 unless predicate warn

122 SNGe n -> do

128 SNGe n -> do

123 let

129 let

124 nlen = withKnownNat n $ natVal n

130 nlen = withKnownNat n $ natVal n

125 predicate = num >= fromIntegral nlen

131 predicate = num >= fromIntegral nlen

126− errMsg = path <> " should be >= " <> T.pack (show nlen)

132+ errMsg = "should be >= " <> T.pack (show nlen)

127 warn = vWarning $ mmSingleton path (pure errMsg)

133 warn = vWarning $ mmSingleton path (pure errMsg)

128 unless predicate warn

134 unless predicate warn

129 SNLt n -> do

135 SNLt n -> do

130 let

136 let

131 nlen = withKnownNat n $ natVal n

137 nlen = withKnownNat n $ natVal n

132− predicate = fromIntegral nlen < num

138+ predicate = num < fromIntegral nlen

133− errMsg = path <> " should be < " <> T.pack (show nlen)

139+ errMsg = "should be < " <> T.pack (show nlen)

134 warn = vWarning $ mmSingleton path (pure errMsg)

140 warn = vWarning $ mmSingleton path (pure errMsg)

135 unless predicate warn

141 unless predicate warn

136 SNLe n -> do

142 SNLe n -> do

137 let

143 let

138 nlen = withKnownNat n $ natVal n

144 nlen = withKnownNat n $ natVal n

139− predicate = fromIntegral nlen <= num

145+ predicate = num <= fromIntegral nlen

140− errMsg = path <> " should be <= " <> T.pack (show nlen)

146+ errMsg = "should be <= " <> T.pack (show nlen)

141 warn = vWarning $ mmSingleton path (pure errMsg)

147 warn = vWarning $ mmSingleton path (pure errMsg)

142 unless predicate warn

148 unless predicate warn

143

149

@@ -151,7 +157,35 @@ validateArrayConstraint (JSONPath path) v = \case

151 let

157 let

152 nlen = withKnownNat n $ natVal n

158 nlen = withKnownNat n $ natVal n

153 predicate = nlen == fromIntegral (V.length v)

159 predicate = nlen == fromIntegral (V.length v)

154− errMsg = "length of " <> path <> " should be == " <> T.pack (show nlen)

160+ errMsg = "length should be == " <> T.pack (show nlen)

161+ warn = vWarning $ mmSingleton path (pure errMsg)

162+ unless predicate warn

163+ SAGt n -> do

164+ let

165+ nlen = withKnownNat n $ natVal n

166+ predicate = fromIntegral (V.length v) > nlen

167+ errMsg = "length should be > " <> T.pack (show nlen)

168+ warn = vWarning $ mmSingleton path (pure errMsg)

169+ unless predicate warn

170+ SAGe n -> do

171+ let

172+ nlen = withKnownNat n $ natVal n

173+ predicate = fromIntegral (V.length v) >= nlen

174+ errMsg = "length should be >= " <> T.pack (show nlen)

175+ warn = vWarning $ mmSingleton path (pure errMsg)

176+ unless predicate warn

177+ SALt n -> do

178+ let

179+ nlen = withKnownNat n $ natVal n

180+ predicate = fromIntegral (V.length v) < nlen

181+ errMsg = "length should be < " <> T.pack (show nlen)

182+ warn = vWarning $ mmSingleton path (pure errMsg)

183+ unless predicate warn

184+ SALe n -> do

185+ let

186+ nlen = withKnownNat n $ natVal n

187+ predicate = fromIntegral (V.length v) <= nlen

188+ errMsg = "length should be <= " <> T.pack (show nlen)

155 warn = vWarning $ mmSingleton path (pure errMsg)

189 warn = vWarning $ mmSingleton path (pure errMsg)

156 unless predicate warn

190 unless predicate warn

157

191

@@ -246,3 +280,26 @@ toUnion _ = ReprUnion . urelax

246

280

247umatch' :: UElem a as i => Sing a -> Union f as -> Maybe (f a)

281umatch' :: UElem a as i => Sing a -> Union f as -> Maybe (f a)

248umatch' _ u = umatch u

282umatch' _ u = umatch u

283+

284+parseAndValidateJson

285+ :: forall schema

286+ . (FromJSON (JsonRepr schema), TopLevel schema, SingI schema)

287+ => Value

288+ -> ParseResult (JsonRepr schema)

289+parseAndValidateJson v =

290+ case parseEither parseJSON v of

291+ Left s -> DecodingError $ T.pack s

292+ Right jsonRepr ->

293+ let

294+ validate = validateJsonRepr (sing :: Sing schema) [] jsonRepr

295+ res = runIdentity . runValidationTEither $ validate

296+ in case res of

297+ Left em -> ValidationError em

298+ Right () -> Valid jsonRepr

299+

300+parseAndValidateJsonBy

301+ :: (FromJSON (JsonRepr schema), TopLevel schema, SingI schema)

302+ => proxy schema

303+ -> Value

304+ -> ParseResult (JsonRepr schema)

305+parseAndValidateJsonBy _ = parseAndValidateJson

src/Data/Schematic/Verifier.hsnew file+5

@@ -0,0 +1,5 @@

1+module Data.Schematic.Verifier (module X) where

3+import Data.Schematic.Verifier.Array as X

4+import Data.Schematic.Verifier.Number as X

5+import Data.Schematic.Verifier.Text as X

src/Data/Schematic/Verifier/Array.hsnew file+14

@@ -0,0 +1,14 @@

1+module Data.Schematic.Verifier.Array where

3+import {-# SOURCE #-} Data.Schematic.Schema

4+import Data.Schematic.Verifier.Common

6+data VerifiedArrayConstraint =

7+ VAEq Integer

8+ deriving (Show)

10+verifyArrayConstraint ::

11+ [DemotedArrayConstraint] -> Maybe (Maybe VerifiedArrayConstraint)

12+verifyArrayConstraint cs = do

13+ x <- verifyDNEq [x | DAEq x <- cs]

14+ pure $ VAEq <$> x

src/Data/Schematic/Verifier/Common.hsnew file+43

@@ -0,0 +1,43 @@

1+module Data.Schematic.Verifier.Common where

3+import Data.List (nub)

5+simplifyNumberConstraint :: ([Integer] -> Integer) -> [Integer] -> Maybe Integer

6+simplifyNumberConstraint f =

7+ \case

8+ [] -> Nothing

9+ x -> Just $ f x

10+

11+simplifyDNLs :: [Integer] -> Maybe Integer

12+simplifyDNLs = simplifyNumberConstraint minimum

13+

14+simplifyDNGs :: [Integer] -> Maybe Integer

15+simplifyDNGs = simplifyNumberConstraint maximum

16+

17+verifyDNEq :: [Integer] -> Maybe (Maybe Integer)

18+verifyDNEq x =

19+ case nub x of

20+ [] -> Just Nothing

21+ [y] -> Just $ Just y

22+ (_:_:_) -> Nothing

23+

24+verify3 :: Maybe Integer -> Maybe Integer -> Maybe Integer -> Maybe ()

25+verify3 (Just x) (Just y) (Just z) =

26+ if x < y && y < z

27+ then Just ()

28+ else Nothing

29+verify3 _ _ _ = Just ()

30+

31+verify2 :: Maybe Integer -> Maybe Integer -> Maybe ()

32+verify2 (Just x) (Just y) =

33+ if x < y

34+ then Just ()

35+ else Nothing

36+verify2 _ _ = Just ()

37+

38+verifyEquations :: Maybe Integer -> Maybe Integer -> Maybe Integer -> Maybe ()

39+verifyEquations mgt meq mlt = do

40+ verify3 mgt meq mlt

41+ verify2 mgt meq

42+ verify2 meq mlt

43+ verify2 mgt mlt

src/Data/Schematic/Verifier/Number.hsnew file+31

@@ -0,0 +1,31 @@

1+module Data.Schematic.Verifier.Number where

3+import {-# SOURCE #-} Data.Schematic.Schema

4+import Data.Schematic.Verifier.Common

6+toStrictNumber :: [DemotedNumberConstraint] -> [DemotedNumberConstraint]

7+toStrictNumber = map f

8+ where

9+ f (DNLe x) = DNLt (x + 1)

10+ f (DNGe x) = DNGt (x - 1)

11+ f x = x

12+

13+data VerifiedNumberConstraint

14+ = VNEq Integer

15+ | VNBounds (Maybe Integer) (Maybe Integer)

16+ deriving (Show)

17+

18+verifyNumberConstraints

19+ :: [DemotedNumberConstraint]

20+ -> Maybe VerifiedNumberConstraint

21+verifyNumberConstraints cs' = do

22+ let

23+ cs = toStrictNumber cs'

24+ mlt = simplifyDNLs [x | DNLt x <- cs]

25+ mgt = simplifyDNGs [x | DNGt x <- cs]

26+ meq <- verifyDNEq [x | DNEq x <- cs]

27+ verifyEquations mgt meq mlt

28+ Just $

29+ case meq of

30+ Just eq -> VNEq eq

31+ Nothing -> VNBounds mgt mlt

src/Data/Schematic/Verifier/Text.hsnew file+121

@@ -0,0 +1,121 @@

1+module Data.Schematic.Verifier.Text where

3+import Control.Monad

4+import Data.Maybe

5+import {-# SOURCE #-} Data.Schematic.Schema

6+import Data.Schematic.Verifier.Common

7+import Data.Text (Text, unpack)

8+import Text.Regex.TDFA.Pattern

9+import Text.Regex.TDFA.ReadRegex (parseRegex)

10+

11+toStrictTextLength :: [DemotedTextConstraint] -> [DemotedTextConstraint]

12+toStrictTextLength = map f

13+ where

14+ f (DTLe x) = DTLt (x + 1)

15+ f (DTGe x) = DTGt (x - 1)

16+ f x = x

17+

18+data VerifiedTextConstraint

19+ = VTEq Integer

20+ | VTBounds (Maybe Integer) (Maybe Integer)

21+ | VTRegex Text Integer (Maybe Integer)

22+ | VTEnum [Text]

23+ deriving (Show)

24+

25+verifyTextLengthConstraints

26+ :: [DemotedTextConstraint]

27+ -> Maybe (Maybe VerifiedTextConstraint)

28+verifyTextLengthConstraints cs' = do

29+ let

30+ cs = toStrictTextLength cs'

31+ mlt = simplifyDNLs [x | DTLt x <- cs]

32+ mgt = simplifyDNGs [x | DTGt x <- cs]

33+ meq <- verifyDNEq [x | DTEq x <- cs]

34+ verifyEquations mgt meq mlt

35+ case all isNothing ([mgt, meq, mlt] :: [Maybe Integer]) of

36+ True -> Just Nothing

37+ _ ->

38+ Just $

39+ Just $

40+ case meq of

41+ Just eq -> VTEq eq

42+ Nothing -> VTBounds mgt mlt

43+

44+regexLength :: Text -> Maybe (Int, Maybe Int)

45+regexLength regexp =

46+ case parseRegex . unpack $ regexp of

47+ Right (p, _) -> Just (minRegexLength p, maxRegexLength p)

48+ Left _ -> Nothing

49+

50+minRegexLength :: Pattern -> Int

51+minRegexLength p =

52+ case p of

53+ PEmpty -> 0

54+ PChar {..} -> 1

55+ PAny {..} -> 1

56+ PAnyNot {..} -> 1

57+ PQuest _ -> 0

58+ PPlus sch -> minRegexLength $ PBound 1 Nothing sch

59+ PStar _ sch -> minRegexLength $ PBound 0 Nothing sch

60+ PBound low _ sch -> low * minRegexLength sch

61+ PConcat ps -> sum $ fmap minRegexLength ps

62+ POr xs -> minimum $ fmap minRegexLength xs

63+ PDot _ -> 1

64+ PEscape {..} -> 1

65+ PCarat _ -> 0

66+ PDollar _ -> 0

67+ _ -> 0

68+

69+maxRegexLength :: Pattern -> Maybe Int

70+maxRegexLength p =

71+ case p of

72+ PEmpty -> Just 0

73+ PChar _ _ -> Just 1

74+ PAny _ _ -> Just 1

75+ PAnyNot _ _ -> Just 1

76+ PQuest _ -> Just 0

77+ PPlus _ -> Nothing

78+ PStar _ _ -> Nothing

79+ PBound _ mhigh sch -> (*) <$> mhigh <*> maxRegexLength sch

80+ PConcat ps -> sum <$> mapM maxRegexLength ps

81+ POr xs -> maximum <$> mapM maxRegexLength xs

82+ PDot _ -> Just 1

83+ PEscape _ _ -> Just 1

84+ PCarat _ -> Just 0

85+ PDollar _ -> Just 0

86+ _ -> Just 0

87+

88+verifyTextRegexConstraint

89+ :: [DemotedTextConstraint]

90+ -> Maybe (Maybe VerifiedTextConstraint)

91+verifyTextRegexConstraint cs = do

92+ let regexps = [x | DTRegex x <- cs]

93+ case regexps of

94+ [] -> Just Nothing

95+ [x] -> do

96+ (l, mh) <- regexLength x

97+ Just $ Just $ VTRegex x (fromIntegral l) (fromIntegral <$> mh)

98+ _ -> Nothing

99+

100+verifyTextEnumConstraint

101+ :: [DemotedTextConstraint]

102+ -> Maybe (Maybe VerifiedTextConstraint)

103+verifyTextEnumConstraint cs = do

104+ let enums = concat [x | DTEnum x <- cs]

105+ case enums of

106+ [] -> Just Nothing

107+ x -> Just $ Just $ VTEnum x

108+

109+verifyTextConstraints

110+ :: [DemotedTextConstraint]

111+ -> Maybe [VerifiedTextConstraint]

112+verifyTextConstraints cs = do

113+ regexp <- verifyTextRegexConstraint cs

114+ void $

115+ case regexp of

116+ Just (VTRegex _ l mh) ->

117+ verifyTextLengthConstraints (DTGe l : cs ++ maybeToList (DTLe <$> mh))

118+ _ -> pure Nothing

119+ lengths <- verifyTextLengthConstraints cs

120+ enums <- verifyTextEnumConstraint cs

121+ return $ catMaybes [lengths, enums, regexp]

stack-13.7.yamlnew file+5

@@ -0,0 +1,5 @@

1+resolver: lts-13.7

2+extra-deps:

3+ - hjsonpointer-1.4.0@rev:0

4+ - hjsonschema-1.9.0@rev:0

5+ - validationt-0.2.1.0

stack.yaml+4−50

@@ -1,51 +1,5 @@

1−resolver: nightly-2017-09-17

1+resolver: lts-12.0

2−

3−# User packages to be built.

4−# Various formats can be used as shown in the example below.

5−#

6−# packages:

7−# - some-directory

8−# - https://example.com/foo/bar/baz-0.0.2.tar.gz

9−# - location:

10−# git: https://github.com/commercialhaskell/stack.git

11−# commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a

12−# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a

13−# extra-dep: true

14−# subdirs:

15−# - auto-update

16−# - wai

17−#

18−# A package marked 'extra-dep: true' will only be built if demanded by a

19−# non-dependency (i.e. a user package), and its test suites and benchmarks

20−# will not be run. This is useful for tweaking upstream packages.

21−packages:

22−- '.'

23−

24extra-deps:

2extra-deps:

25−- hjsonpointer-1.3.0

3+ - hjsonpointer-1.4.0@rev:0

26−- hjsonschema-1.7.0

4+ - hjsonschema-1.9.0@rev:0

27−- validationt-0.2.0.0

5+ - validationt-0.2.1.0

28−

29−# Override default flag values for local packages and extra-deps

30−flags: {}

31−

32−# Extra package databases containing global packages

33−extra-package-dbs: []

34−

35−# Control whether we use the GHC we find on the path

36−# system-ghc: true

37−#

38−# Require a specific version of stack, using version ranges

39−# require-stack-version: -any # Default

40−# require-stack-version: ">=1.4"

41−#

42−# Override the architecture used by stack, especially useful on Windows

43−# arch: i386

44−# arch: x86_64

45−#

46−# Extra directories used by stack for building

47−# extra-include-dirs: [/path/to/dir]

48−# extra-lib-dirs: [/path/to/dir]

49−#

50−# Allow a newer minor version of GHC than the snapshot specifies

51−# compiler-check: newer-minor

test/JsonSchemaSpec.hs+58

@@ -10,6 +10,7 @@ module JsonSchemaSpec (spec, main) where

10import Data.Aeson as J

11import Data.Maybe

12import Data.Proxy

13+import Data.ByteString.Lazy as B

13import Data.Schematic

14import Data.Schematic

14import Data.Vinyl

15import Data.Vinyl

15import JSONSchema.Draft4 as D4

16import JSONSchema.Draft4 as D4

@@ -31,6 +32,27 @@ exampleData = withRepr @SchemaExample $

31 :& field @"bar" (pure (ReprText "foo"))

32 :& field @"bar" (pure (ReprText "foo"))

32 :& RNil

33 :& RNil

35+type SchemaArrayExample = 'SchemaObject

36+ '[ '("a1", 'SchemaArray '[ 'AGt 1 ] ('SchemaNumber '[]))

37+ , '("a2", 'SchemaArray '[ 'AGe 1 ] ('SchemaNumber '[]))

38+ , '("a3", 'SchemaArray '[ 'ALt 1 ] ('SchemaNumber '[]))

39+ , '("a4", 'SchemaArray '[ 'ALe 1 ] ('SchemaNumber '[]))

40+ ]

41+

42+type SchemaNumberExample = 'SchemaObject

43+ '[ '("n1", 'SchemaNumber '[ 'NGt 1 ])

44+ , '("n2", 'SchemaNumber '[ 'NGe 1 ])

45+ , '("n3", 'SchemaNumber '[ 'NLt 1 ])

46+ , '("n4", 'SchemaNumber '[ 'NLe 1 ])

47+ ]

48+

49+type SchemaTextExample = 'SchemaObject

50+ '[ '("t1", 'SchemaText '[ 'TGt 1 ])

51+ , '("t2", 'SchemaText '[ 'TGe 1 ])

52+ , '("t3", 'SchemaText '[ 'TLt 1 ])

53+ , '("t4", 'SchemaText '[ 'TLe 1 ])

54+ ]

55+

34spec :: Spec

56spec :: Spec

35spec = do

57spec = do

36 it "validates simple schema" $ do

58 it "validates simple schema" $ do

@@ -38,6 +60,42 @@ spec = do

38 fetchHTTPAndValidate schema (toJSON exampleData) >>= \case

60 fetchHTTPAndValidate schema (toJSON exampleData) >>= \case

39 Left _ -> fail "failed to validate test example"

61 Left _ -> fail "failed to validate test example"

40 Right _ -> pure ()

62 Right _ -> pure ()

63+ it "validates schema with arrays" $ do

64+ let

65+ schema = D4.SchemaWithURI (fromJust $ toJsonSchema (Proxy @SchemaArrayExample)) Nothing

66+ obj = withRepr @SchemaArrayExample $

67+ field @"a1" [ReprNumber 13, ReprNumber 13]

68+ :& field @"a2" [ReprNumber 13]

69+ :& field @"a3" []

70+ :& field @"a4" [ReprNumber 13]

71+ :& RNil

72+ fetchHTTPAndValidate schema (toJSON obj) >>= \case

73+ Left e -> fail "failed to validate test example"

74+ Right _ -> pure ()

75+ it "validates schema with numbers" $ do

76+ let

77+ schema = D4.SchemaWithURI (fromJust $ toJsonSchema (Proxy @SchemaNumberExample)) Nothing

78+ obj = withRepr @SchemaNumberExample $

79+ field @"n1" 1.1

80+ :& field @"n2" 1

81+ :& field @"n3" 0.9

82+ :& field @"n4" 1.0

83+ :& RNil

84+ fetchHTTPAndValidate schema (toJSON obj) >>= \case

85+ Left e -> fail "failed to validate test example"

86+ Right _ -> pure ()

87+ it "validates schema with strings" $ do

88+ let

89+ schema = D4.SchemaWithURI (fromJust $ toJsonSchema (Proxy @SchemaTextExample)) Nothing

90+ obj = withRepr @SchemaTextExample $

91+ field @"t1" "11"

92+ :& field @"t2" "1"

93+ :& field @"t3" ""

94+ :& field @"t4" "1"

95+ :& RNil

96+ fetchHTTPAndValidate schema (toJSON obj) >>= \case

97+ Left e -> fail "failed to validate test example"

98+ Right _ -> pure ()

42main :: IO ()

100main :: IO ()

43main = hspec spec

101main = hspec spec

test/SchemaSpec.hs+24

@@ -17,15 +17,26 @@ import Data.ByteString.Lazy

17import Data.Functor.Identity

18import Data.Proxy

19import Data.Schematic

20+import Data.Schematic.Generator

21+import Data.Singletons

20import Data.Tagged

22import Data.Tagged

21import Data.Vinyl

23import Data.Vinyl

22import Test.Hspec

24import Test.Hspec

25+import Test.Hspec.SmallCheck

26+import Test.SmallCheck as SC

27+import Test.SmallCheck.Drivers as SC

28+import Test.SmallCheck.Series as SC

30+import Debug.Trace

25type SchemaExample = 'SchemaObject

32type SchemaExample = 'SchemaObject

26 '[ '("foo", 'SchemaArray '[ 'AEq 1] ('SchemaNumber '[ 'NGt 10]))

33 '[ '("foo", 'SchemaArray '[ 'AEq 1] ('SchemaNumber '[ 'NGt 10]))

27 , '("bar", 'SchemaOptional ('SchemaText '[ 'TEnum '["foo", "bar"]]))]

34 , '("bar", 'SchemaOptional ('SchemaText '[ 'TEnum '["foo", "bar"]]))]

36+type SchemaExample2 = 'SchemaObject

37+ '[ '("foo", 'SchemaArray '[ 'AEq 2] ('SchemaText '[ 'TGt 10]))

38+ , '("bar", 'SchemaOptional ('SchemaText '[ 'TRegex "[0-9]+"]))]

39+

29jsonExample :: JsonRepr SchemaExample

40jsonExample :: JsonRepr SchemaExample

30jsonExample = withRepr @SchemaExample

41jsonExample = withRepr @SchemaExample

31 $ field @"bar" (Just "bar")

42 $ field @"bar" (Just "bar")

@@ -69,6 +80,12 @@ schemaJson = "{\"foo\": [13], \"bar\": null}"

69schemaJson2 :: ByteString

80schemaJson2 :: ByteString

70schemaJson2 = "{\"foo\": [3], \"bar\": null}"

81schemaJson2 = "{\"foo\": [3], \"bar\": null}"

83+schemaJsonSeries :: Monad m => SC.Series m (JsonRepr SchemaExample)

84+schemaJsonSeries = series

85+

86+schemaJsonSeries2 :: Monad m => SC.Series m (JsonRepr SchemaExample2)

87+schemaJsonSeries2 = series

88+

72spec :: Spec

89spec :: Spec

73spec = do

90spec = do

74 -- it "show/read JsonRepr properly" $

91 -- it "show/read JsonRepr properly" $

@@ -93,6 +110,13 @@ spec = do

93 migrationList

110 migrationList

94 schemaJson

111 schemaJson

95 `shouldSatisfy` isValid

112 `shouldSatisfy` isValid

113+ it "validates json series" $ property $

114+ SC.over schemaJsonSeries $ \x ->

115+ isValid (parseAndValidateJson @SchemaExample (toJSON x))

116+ it "validates json series 2" $ property $

117+ SC.over schemaJsonSeries2 $ \x ->

118+ isValid (parseAndValidateJson @SchemaExample2 (toJSON x))

119+

120

97main :: IO ()

121main :: IO ()

98main = hspec spec

122main = hspec spec