5e6c70a...master · schematic

git.iko.soy/schematic

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src/Data/Schematic/JsonSchema.hs+21−9

since splitsnapshots

unifiedsplit

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

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

31 { _schemaMinLength = pure $ fromIntegral n

32 , _schemaMaxLength = pure $ fromIntegral n }

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

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

35textConstraint (DTLe n) = modify $ \s -> s

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

36 { _schemaMaxLength = pure . fromIntegral $ n }

34 { _schemaMaxLength = pure . fromIntegral $ n }

37−textConstraint (DTGt n) =

35+textConstraint (DTLt n) =

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

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

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

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

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

41 { _schemaMinLength = pure . fromIntegral $ n }

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

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

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

49 { _schemaMaximum = pure . fromIntegral $ n }

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

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

51+ { _schemaMaximum = pure . fromIntegral $ n

52+ , _schemaExclusiveMaximum = pure True }

52numberConstraint (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

53 { _schemaMinimum = pure . fromIntegral $ n }

57 { _schemaMinimum = pure . fromIntegral $ n }

54−numberConstraint (DNGe n) =

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

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

57numberConstraint (DNEq n) = modify $ \s -> s

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

58 { _schemaMinimum = pure $ fromIntegral n

59 { _schemaMinimum = pure $ fromIntegral n

59 , _schemaMaximum = pure $ fromIntegral n }

60 , _schemaMaximum = pure $ fromIntegral n }

61arrayConstraint :: DemotedArrayConstraint -> State D4.Schema ()

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

62−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 }

64toJsonSchema

76toJsonSchema

65 :: forall proxy schema

77 :: forall proxy schema

src/Data/Schematic/Schema.hs+36

@@ -180,27 +180,63 @@ instance SingKind NumberConstraint where

180

181data ArrayConstraint

182 = AEq Nat

183+ | AGt Nat

184+ | AGe Nat

185+ | ALt Nat

186+ | ALe Nat

183 deriving (Generic)

187 deriving (Generic)

184

188

185data DemotedArrayConstraint

189data DemotedArrayConstraint

186 = DAEq Integer

190 = DAEq Integer

191+ | DAGt Integer

192+ | DAGe Integer

193+ | DALt Integer

194+ | DALe Integer

187 deriving (Generic, Eq, Show)

195 deriving (Generic, Eq, Show)

188

196

189data instance Sing (ac :: ArrayConstraint) where

197data instance Sing (ac :: ArrayConstraint) where

190 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)

191

203

192instance 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

193

209

194instance 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

195

215

196instance SingKind ArrayConstraint where

216instance SingKind ArrayConstraint where

197 type Demote ArrayConstraint = DemotedArrayConstraint

217 type Demote ArrayConstraint = DemotedArrayConstraint

198 fromSing = \case

218 fromSing = \case

199 SAEq n -> withKnownNat n (DAEq . fromIntegral $ 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)

200 toSing = \case

224 toSing = \case

201 DAEq n -> case someNatVal n of

225 DAEq n -> case someNatVal n of

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

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

203 Nothing -> error "Negative singleton nat"

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))

239+ Nothing -> error "Negative singleton nat"

204

240

205data Schema

241data Schema

206 = SchemaText [TextConstraint]

242 = SchemaText [TextConstraint]

src/Data/Schematic/Schema.hs-boot+8

@@ -46,9 +46,17 @@ data DemotedNumberConstraint

47data ArrayConstraint

48 = AEq Nat

49+ | AGt Nat

50+ | AGe Nat

51+ | ALt Nat

52+ | ALe Nat

50data DemotedArrayConstraint

54data DemotedArrayConstraint

51 = DAEq Integer

55 = DAEq Integer

56+ | DAGt Integer

57+ | DAGe Integer

58+ | DALt Integer

59+ | DALe Integer

53data Schema

61data Schema

54 = SchemaText [TextConstraint]

62 = SchemaText [TextConstraint]

src/Data/Schematic/Validation.hs+41−13

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

58 let

59 nlen = withKnownNat n $ natVal n

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

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

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

62 warn = vWarning $ mmSingleton path (pure errMsg)

63 unless predicate warn

64 STLt n -> do

65 let

66 nlen = withKnownNat n $ natVal n

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

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

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

69 warn = vWarning $ mmSingleton path (pure errMsg)

70 unless predicate warn

71 STLe n -> do

72 let

73 nlen = withKnownNat n $ natVal n

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

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

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

76 warn = vWarning $ mmSingleton path (pure errMsg)

77 unless predicate warn

78 STGt n -> do

79 let

80 nlen = withKnownNat n $ natVal n

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

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

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

83 warn = vWarning $ mmSingleton path (pure errMsg)

84 unless predicate warn

85 STGe n -> do

86 let

87 nlen = withKnownNat n $ natVal n

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

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

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

90 warn = vWarning $ mmSingleton path (pure errMsg)

91 unless predicate warn

92 STRegex r -> do

93 let

94 regex = withKnownSymbol r $ fromSing r

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

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

96+ errMsg = "must match " <> regex

97 warn = vWarning $ mmSingleton path (pure errMsg)

98 unless predicate warn

99 STEnum ss -> do

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

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

102 matching SNil = False

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

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

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

105 warn = vWarning $ mmSingleton path (pure errMsg)

106 unless (matching ss) warn

107

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

115 let

116 nlen = withKnownNat n $ natVal n

117 predicate = fromIntegral nlen == num

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

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

119 warn = vWarning $ mmSingleton path (pure errMsg)

120 unless predicate warn

121 SNGt n -> do

122 let

123 nlen = withKnownNat n $ natVal n

124 predicate = num > fromIntegral nlen

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

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

126 warn = vWarning $ mmSingleton path (pure errMsg)

127 unless predicate warn

128 SNGe n -> do

129 let

130 nlen = withKnownNat n $ natVal n

131 predicate = num >= fromIntegral nlen

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

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

133 warn = vWarning $ mmSingleton path (pure errMsg)

134 unless predicate warn

135 SNLt n -> do

136 let

137 nlen = withKnownNat n $ natVal n

138 predicate = num < fromIntegral nlen

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

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

140 warn = vWarning $ mmSingleton path (pure errMsg)

141 unless predicate warn

142 SNLe n -> do

143 let

144 nlen = withKnownNat n $ natVal n

145 predicate = num <= fromIntegral nlen

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

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

147 warn = vWarning $ mmSingleton path (pure errMsg)

148 unless predicate warn

149

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

157 let

158 nlen = withKnownNat n $ natVal n

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

160− 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)

161 warn = vWarning $ mmSingleton path (pure errMsg)

189 warn = vWarning $ mmSingleton path (pure errMsg)

162 unless predicate warn

190 unless predicate warn

163

191

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