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-rw-r--r--tests/Language/GraphQL/AST/EncoderSpec.hs64
-rw-r--r--tests/Language/GraphQL/AST/LexerSpec.hs4
-rw-r--r--tests/Language/GraphQL/AST/ParserSpec.hs2
-rw-r--r--tests/Language/GraphQL/ErrorSpec.hs2
-rw-r--r--tests/Language/GraphQL/ExecuteSpec.hs39
-rw-r--r--tests/Language/GraphQL/ValidateSpec.hs522
6 files changed, 518 insertions, 115 deletions
diff --git a/tests/Language/GraphQL/AST/EncoderSpec.hs b/tests/Language/GraphQL/AST/EncoderSpec.hs
index 5fa3706..0c7dd39 100644
--- a/tests/Language/GraphQL/AST/EncoderSpec.hs
+++ b/tests/Language/GraphQL/AST/EncoderSpec.hs
@@ -4,7 +4,7 @@ module Language.GraphQL.AST.EncoderSpec
( spec
) where
-import Language.GraphQL.AST
+import qualified Language.GraphQL.AST.Document as Full
import Language.GraphQL.AST.Encoder
import Test.Hspec (Spec, context, describe, it, shouldBe, shouldStartWith, shouldEndWith, shouldNotContain)
import Test.QuickCheck (choose, oneof, forAll)
@@ -15,52 +15,52 @@ spec :: Spec
spec = do
describe "value" $ do
context "null value" $ do
- let testNull formatter = value formatter Null `shouldBe` "null"
+ let testNull formatter = value formatter Full.Null `shouldBe` "null"
it "minified" $ testNull minified
it "pretty" $ testNull pretty
context "minified" $ do
it "escapes \\" $
- value minified (String "\\") `shouldBe` "\"\\\\\""
+ value minified (Full.String "\\") `shouldBe` "\"\\\\\""
it "escapes double quotes" $
- value minified (String "\"") `shouldBe` "\"\\\"\""
+ value minified (Full.String "\"") `shouldBe` "\"\\\"\""
it "escapes \\f" $
- value minified (String "\f") `shouldBe` "\"\\f\""
+ value minified (Full.String "\f") `shouldBe` "\"\\f\""
it "escapes \\n" $
- value minified (String "\n") `shouldBe` "\"\\n\""
+ value minified (Full.String "\n") `shouldBe` "\"\\n\""
it "escapes \\r" $
- value minified (String "\r") `shouldBe` "\"\\r\""
+ value minified (Full.String "\r") `shouldBe` "\"\\r\""
it "escapes \\t" $
- value minified (String "\t") `shouldBe` "\"\\t\""
+ value minified (Full.String "\t") `shouldBe` "\"\\t\""
it "escapes backspace" $
- value minified (String "a\bc") `shouldBe` "\"a\\bc\""
+ value minified (Full.String "a\bc") `shouldBe` "\"a\\bc\""
context "escapes Unicode for chars less than 0010" $ do
- it "Null" $ value minified (String "\x0000") `shouldBe` "\"\\u0000\""
- it "bell" $ value minified (String "\x0007") `shouldBe` "\"\\u0007\""
+ it "Null" $ value minified (Full.String "\x0000") `shouldBe` "\"\\u0000\""
+ it "bell" $ value minified (Full.String "\x0007") `shouldBe` "\"\\u0007\""
context "escapes Unicode for char less than 0020" $ do
- it "DLE" $ value minified (String "\x0010") `shouldBe` "\"\\u0010\""
- it "EM" $ value minified (String "\x0019") `shouldBe` "\"\\u0019\""
+ it "DLE" $ value minified (Full.String "\x0010") `shouldBe` "\"\\u0010\""
+ it "EM" $ value minified (Full.String "\x0019") `shouldBe` "\"\\u0019\""
context "encodes without escape" $ do
- it "space" $ value minified (String "\x0020") `shouldBe` "\" \""
- it "~" $ value minified (String "\x007E") `shouldBe` "\"~\""
+ it "space" $ value minified (Full.String "\x0020") `shouldBe` "\" \""
+ it "~" $ value minified (Full.String "\x007E") `shouldBe` "\"~\""
context "pretty" $ do
it "uses strings for short string values" $
- value pretty (String "Short text") `shouldBe` "\"Short text\""
+ value pretty (Full.String "Short text") `shouldBe` "\"Short text\""
it "uses block strings for text with new lines, with newline symbol" $
- value pretty (String "Line 1\nLine 2")
+ value pretty (Full.String "Line 1\nLine 2")
`shouldBe` [r|"""
Line 1
Line 2
"""|]
it "uses block strings for text with new lines, with CR symbol" $
- value pretty (String "Line 1\rLine 2")
+ value pretty (Full.String "Line 1\rLine 2")
`shouldBe` [r|"""
Line 1
Line 2
"""|]
it "uses block strings for text with new lines, with CR symbol followed by newline" $
- value pretty (String "Line 1\r\nLine 2")
+ value pretty (Full.String "Line 1\r\nLine 2")
`shouldBe` [r|"""
Line 1
Line 2
@@ -77,12 +77,12 @@ spec = do
forAll genNotAllowedSymbol $ \x -> do
let
rawValue = "Short \n" <> cons x "text"
- encoded = value pretty (String $ toStrict rawValue)
+ encoded = value pretty (Full.String $ toStrict rawValue)
shouldStartWith (unpack encoded) "\""
shouldEndWith (unpack encoded) "\""
shouldNotContain (unpack encoded) "\"\"\""
- it "Hello world" $ value pretty (String "Hello,\n World!\n\nYours,\n GraphQL.")
+ it "Hello world" $ value pretty (Full.String "Hello,\n World!\n\nYours,\n GraphQL.")
`shouldBe` [r|"""
Hello,
World!
@@ -91,29 +91,29 @@ spec = do
GraphQL.
"""|]
- it "has only newlines" $ value pretty (String "\n") `shouldBe` [r|"""
+ it "has only newlines" $ value pretty (Full.String "\n") `shouldBe` [r|"""
"""|]
it "has newlines and one symbol at the begining" $
- value pretty (String "a\n\n") `shouldBe` [r|"""
+ value pretty (Full.String "a\n\n") `shouldBe` [r|"""
a
"""|]
it "has newlines and one symbol at the end" $
- value pretty (String "\n\na") `shouldBe` [r|"""
+ value pretty (Full.String "\n\na") `shouldBe` [r|"""
a
"""|]
it "has newlines and one symbol in the middle" $
- value pretty (String "\na\n") `shouldBe` [r|"""
+ value pretty (Full.String "\na\n") `shouldBe` [r|"""
a
"""|]
- it "skip trailing whitespaces" $ value pretty (String " Short\ntext ")
+ it "skip trailing whitespaces" $ value pretty (Full.String " Short\ntext ")
`shouldBe` [r|"""
Short
text
@@ -121,11 +121,13 @@ spec = do
describe "definition" $
it "indents block strings in arguments" $
- let arguments = [Argument "message" (String "line1\nline2")]
- field = Field Nothing "field" arguments [] []
- operation = DefinitionOperation
- $ SelectionSet (pure field)
- $ Location 0 0
+ let location = Full.Location 0 0
+ argumentValue = Full.Node (Full.String "line1\nline2") location
+ arguments = [Full.Argument "message" argumentValue location]
+ field = Full.Field Nothing "field" arguments [] [] location
+ fieldSelection = pure $ Full.FieldSelection field
+ operation = Full.DefinitionOperation
+ $ Full.SelectionSet fieldSelection location
in definition pretty operation `shouldBe` [r|{
field(message: """
line1
diff --git a/tests/Language/GraphQL/AST/LexerSpec.hs b/tests/Language/GraphQL/AST/LexerSpec.hs
index 0b4cb31..c4fae45 100644
--- a/tests/Language/GraphQL/AST/LexerSpec.hs
+++ b/tests/Language/GraphQL/AST/LexerSpec.hs
@@ -75,9 +75,9 @@ spec = describe "Lexer" $ do
parse dollar "" "$" `shouldParse` "$"
runBetween parens `shouldSucceedOn` "()"
parse spread "" "..." `shouldParse` "..."
- parse colon "" ":" `shouldParse` ":"
+ parse colon "" `shouldSucceedOn` ":"
parse equals "" "=" `shouldParse` "="
- parse at "" "@" `shouldParse` "@"
+ parse at "" `shouldSucceedOn` "@"
runBetween brackets `shouldSucceedOn` "[]"
runBetween braces `shouldSucceedOn` "{}"
parse pipe "" "|" `shouldParse` "|"
diff --git a/tests/Language/GraphQL/AST/ParserSpec.hs b/tests/Language/GraphQL/AST/ParserSpec.hs
index f59e5a9..5c4d39e 100644
--- a/tests/Language/GraphQL/AST/ParserSpec.hs
+++ b/tests/Language/GraphQL/AST/ParserSpec.hs
@@ -128,7 +128,7 @@ spec = describe "Parser" $ do
parse document "" `shouldSucceedOn` [r|extend schema { query: Query }|]
it "parses schema extension with an operation type and directive" $
- let newDirective = Directive "newDirective" []
+ let newDirective = Directive "newDirective" [] $ Location 1 15
schemaExtension = SchemaExtension
$ SchemaOperationExtension [newDirective]
$ OperationTypeDefinition Query "Query" :| []
diff --git a/tests/Language/GraphQL/ErrorSpec.hs b/tests/Language/GraphQL/ErrorSpec.hs
index 1497c48..38d7d3a 100644
--- a/tests/Language/GraphQL/ErrorSpec.hs
+++ b/tests/Language/GraphQL/ErrorSpec.hs
@@ -19,6 +19,6 @@ import Test.Hspec ( Spec
spec :: Spec
spec = describe "singleError" $
it "constructs an error with the given message" $
- let errors'' = Seq.singleton $ Error "Message." []
+ let errors'' = Seq.singleton $ Error "Message." [] []
expected = Response Aeson.Null errors''
in singleError "Message." `shouldBe` expected
diff --git a/tests/Language/GraphQL/ExecuteSpec.hs b/tests/Language/GraphQL/ExecuteSpec.hs
index 8fbb55b..f6e3e6f 100644
--- a/tests/Language/GraphQL/ExecuteSpec.hs
+++ b/tests/Language/GraphQL/ExecuteSpec.hs
@@ -3,6 +3,7 @@
obtain one at https://mozilla.org/MPL/2.0/. -}
{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
module Language.GraphQL.ExecuteSpec
( spec
) where
@@ -10,10 +11,11 @@ module Language.GraphQL.ExecuteSpec
import Control.Exception (SomeException)
import Data.Aeson ((.=))
import qualified Data.Aeson as Aeson
+import Data.Aeson.Types (emptyObject)
import Data.Conduit
import Data.HashMap.Strict (HashMap)
import qualified Data.HashMap.Strict as HashMap
-import Language.GraphQL.AST (Name)
+import Language.GraphQL.AST (Document, Name)
import Language.GraphQL.AST.Parser (document)
import Language.GraphQL.Error
import Language.GraphQL.Execute
@@ -21,13 +23,10 @@ import Language.GraphQL.Type as Type
import Language.GraphQL.Type.Out as Out
import Test.Hspec (Spec, context, describe, it, shouldBe)
import Text.Megaparsec (parse)
+import Text.RawString.QQ (r)
-schema :: Schema (Either SomeException)
-schema = Schema
- { query = queryType
- , mutation = Nothing
- , subscription = Just subscriptionType
- }
+philosopherSchema :: Schema (Either SomeException)
+philosopherSchema = schema queryType Nothing (Just subscriptionType) mempty
queryType :: Out.ObjectType (Either SomeException)
queryType = Out.ObjectType "Query" Nothing []
@@ -71,9 +70,32 @@ quoteType = Out.ObjectType "Quote" Nothing []
quoteField =
Out.Field Nothing (Out.NonNullScalarType string) HashMap.empty
+type EitherStreamOrValue = Either
+ (ResponseEventStream (Either SomeException) Aeson.Value)
+ (Response Aeson.Value)
+
+execute' :: Document -> Either SomeException EitherStreamOrValue
+execute' =
+ execute philosopherSchema Nothing (mempty :: HashMap Name Aeson.Value)
+
spec :: Spec
spec =
describe "execute" $ do
+ it "rejects recursive fragments" $
+ let sourceQuery = [r|
+ {
+ ...cyclicFragment
+ }
+
+ fragment cyclicFragment on Query {
+ ...cyclicFragment
+ }
+ |]
+ expected = Response emptyObject mempty
+ Right (Right actual) = either (pure . parseError) execute'
+ $ parse document "" sourceQuery
+ in actual `shouldBe` expected
+
context "Query" $ do
it "skips unknown fields" $
let data'' = Aeson.object
@@ -82,7 +104,6 @@ spec =
]
]
expected = Response data'' mempty
- execute' = execute schema Nothing (mempty :: HashMap Name Aeson.Value)
Right (Right actual) = either (pure . parseError) execute'
$ parse document "" "{ philosopher { firstName surname } }"
in actual `shouldBe` expected
@@ -94,7 +115,6 @@ spec =
]
]
expected = Response data'' mempty
- execute' = execute schema Nothing (mempty :: HashMap Name Aeson.Value)
Right (Right actual) = either (pure . parseError) execute'
$ parse document "" "{ philosopher { firstName } philosopher { lastName } }"
in actual `shouldBe` expected
@@ -106,7 +126,6 @@ spec =
]
]
expected = Response data'' mempty
- execute' = execute schema Nothing (mempty :: HashMap Name Aeson.Value)
Right (Left stream) = either (pure . parseError) execute'
$ parse document "" "subscription { newQuote { quote } }"
Right (Just actual) = runConduit $ stream .| await
diff --git a/tests/Language/GraphQL/ValidateSpec.hs b/tests/Language/GraphQL/ValidateSpec.hs
index 8f6626b..318045c 100644
--- a/tests/Language/GraphQL/ValidateSpec.hs
+++ b/tests/Language/GraphQL/ValidateSpec.hs
@@ -9,8 +9,7 @@ module Language.GraphQL.ValidateSpec
( spec
) where
-import Data.Sequence (Seq(..))
-import qualified Data.Sequence as Seq
+import Data.Foldable (toList)
import qualified Data.HashMap.Strict as HashMap
import Data.Text (Text)
import qualified Language.GraphQL.AST as AST
@@ -18,23 +17,25 @@ import Language.GraphQL.Type
import qualified Language.GraphQL.Type.In as In
import qualified Language.GraphQL.Type.Out as Out
import Language.GraphQL.Validate
-import Test.Hspec (Spec, describe, it, shouldBe)
+import Test.Hspec (Spec, describe, it, shouldBe, shouldContain)
import Text.Megaparsec (parse)
import Text.RawString.QQ (r)
-schema :: Schema IO
-schema = Schema
- { query = queryType
- , mutation = Nothing
- , subscription = Nothing
- }
+petSchema :: Schema IO
+petSchema = schema queryType Nothing (Just subscriptionType) mempty
queryType :: ObjectType IO
-queryType = ObjectType "Query" Nothing []
- $ HashMap.singleton "dog" dogResolver
+queryType = ObjectType "Query" Nothing [] $ HashMap.fromList
+ [ ("dog", dogResolver)
+ , ("findDog", findDogResolver)
+ ]
where
dogField = Field Nothing (Out.NamedObjectType dogType) mempty
dogResolver = ValueResolver dogField $ pure Null
+ findDogArguments = HashMap.singleton "complex"
+ $ In.Argument Nothing (In.NonNullInputObjectType dogDataType) Nothing
+ findDogField = Field Nothing (Out.NamedObjectType dogType) findDogArguments
+ findDogResolver = ValueResolver findDogField $ pure Null
dogCommandType :: EnumType
dogCommandType = EnumType "DogCommand" Nothing $ HashMap.fromList
@@ -72,6 +73,12 @@ dogType = ObjectType "Dog" Nothing [petType] $ HashMap.fromList
ownerField = Field Nothing (Out.NamedObjectType humanType) mempty
ownerResolver = ValueResolver ownerField $ pure Null
+dogDataType :: InputObjectType
+dogDataType = InputObjectType "DogData" Nothing
+ $ HashMap.singleton "name" nameInputField
+ where
+ nameInputField = InputField Nothing (In.NonNullScalarType string) Nothing
+
sentientType :: InterfaceType IO
sentientType = InterfaceType "Sentient" Nothing []
$ HashMap.singleton "name"
@@ -81,19 +88,28 @@ petType :: InterfaceType IO
petType = InterfaceType "Pet" Nothing []
$ HashMap.singleton "name"
$ Field Nothing (Out.NonNullScalarType string) mempty
-{-
-alienType :: ObjectType IO
-alienType = ObjectType "Alien" Nothing [sentientType] $ HashMap.fromList
- [ ("name", nameResolver)
- , ("homePlanet", homePlanetResolver)
+
+subscriptionType :: ObjectType IO
+subscriptionType = ObjectType "Subscription" Nothing [] $ HashMap.fromList
+ [ ("newMessage", newMessageResolver)
+ , ("disallowedSecondRootField", newMessageResolver)
]
where
- nameField = Field Nothing (Out.NonNullScalarType string) mempty
- nameResolver = ValueResolver nameField $ pure "Name"
- homePlanetField =
- Field Nothing (Out.NamedScalarType string) mempty
- homePlanetResolver = ValueResolver homePlanetField $ pure "Home planet"
--}
+ newMessageField = Field Nothing (Out.NonNullObjectType messageType) mempty
+ newMessageResolver = ValueResolver newMessageField
+ $ pure $ Object HashMap.empty
+
+messageType :: ObjectType IO
+messageType = ObjectType "Message" Nothing [] $ HashMap.fromList
+ [ ("sender", senderResolver)
+ , ("body", bodyResolver)
+ ]
+ where
+ senderField = Field Nothing (Out.NonNullScalarType string) mempty
+ senderResolver = ValueResolver senderField $ pure "Sender"
+ bodyField = Field Nothing (Out.NonNullScalarType string) mempty
+ bodyResolver = ValueResolver bodyField $ pure "Message body."
+
humanType :: ObjectType IO
humanType = ObjectType "Human" Nothing [sentientType] $ HashMap.fromList
[ ("name", nameResolver)
@@ -106,45 +122,14 @@ humanType = ObjectType "Human" Nothing [sentientType] $ HashMap.fromList
Field Nothing (Out.ListType $ Out.NonNullInterfaceType petType) mempty
petsResolver = ValueResolver petsField $ pure $ List []
{-
-catCommandType :: EnumType
-catCommandType = EnumType "CatCommand" Nothing $ HashMap.fromList
- [ ("JUMP", EnumValue Nothing)
- ]
-
-catType :: ObjectType IO
-catType = ObjectType "Cat" Nothing [petType] $ HashMap.fromList
- [ ("name", nameResolver)
- , ("nickname", nicknameResolver)
- , ("doesKnowCommand", doesKnowCommandResolver)
- , ("meowVolume", meowVolumeResolver)
- ]
- where
- nameField = Field Nothing (Out.NonNullScalarType string) mempty
- nameResolver = ValueResolver nameField $ pure "Name"
- nicknameField = Field Nothing (Out.NamedScalarType string) mempty
- nicknameResolver = ValueResolver nicknameField $ pure "Nickname"
- doesKnowCommandField = Field Nothing (Out.NonNullScalarType boolean)
- $ HashMap.singleton "catCommand"
- $ In.Argument Nothing (In.NonNullEnumType catCommandType) Nothing
- doesKnowCommandResolver = ValueResolver doesKnowCommandField
- $ pure $ Boolean True
- meowVolumeField = Field Nothing (Out.NamedScalarType int) mempty
- meowVolumeResolver = ValueResolver meowVolumeField $ pure $ Int 2
-
catOrDogType :: UnionType IO
catOrDogType = UnionType "CatOrDog" Nothing [catType, dogType]
-
-dogOrHumanType :: UnionType IO
-dogOrHumanType = UnionType "DogOrHuman" Nothing [dogType, humanType]
-
-humanOrAlienType :: UnionType IO
-humanOrAlienType = UnionType "HumanOrAlien" Nothing [humanType, alienType]
-}
-validate :: Text -> Seq Error
+validate :: Text -> [Error]
validate queryString =
case parse AST.document "" queryString of
- Left _ -> Seq.empty
- Right ast -> document schema specifiedRules ast
+ Left _ -> []
+ Right ast -> toList $ document petSchema specifiedRules ast
spec :: Spec
spec =
@@ -166,9 +151,8 @@ spec =
{ message =
"Definition must be OperationDefinition or FragmentDefinition."
, locations = [AST.Location 9 15]
- , path = []
}
- in validate queryString `shouldBe` Seq.singleton expected
+ in validate queryString `shouldContain` [expected]
it "rejects multiple subscription root fields" $
let queryString = [r|
@@ -182,11 +166,11 @@ spec =
|]
expected = Error
{ message =
- "Subscription sub must select only one top level field."
+ "Subscription \"sub\" must select only one top level \
+ \field."
, locations = [AST.Location 2 15]
- , path = []
}
- in validate queryString `shouldBe` Seq.singleton expected
+ in validate queryString `shouldContain` [expected]
it "rejects multiple subscription root fields coming from a fragment" $
let queryString = [r|
@@ -204,11 +188,11 @@ spec =
|]
expected = Error
{ message =
- "Subscription sub must select only one top level field."
+ "Subscription \"sub\" must select only one top level \
+ \field."
, locations = [AST.Location 2 15]
- , path = []
}
- in validate queryString `shouldBe` Seq.singleton expected
+ in validate queryString `shouldContain` [expected]
it "rejects multiple anonymous operations" $
let queryString = [r|
@@ -230,9 +214,8 @@ spec =
{ message =
"This anonymous operation must be the only defined operation."
, locations = [AST.Location 2 15]
- , path = []
}
- in validate queryString `shouldBe` Seq.singleton expected
+ in validate queryString `shouldBe` [expected]
it "rejects operations with the same name" $
let queryString = [r|
@@ -252,9 +235,8 @@ spec =
{ message =
"There can be only one operation named \"dogOperation\"."
, locations = [AST.Location 2 15, AST.Location 8 15]
- , path = []
}
- in validate queryString `shouldBe` Seq.singleton expected
+ in validate queryString `shouldBe` [expected]
it "rejects fragments with the same name" $
let queryString = [r|
@@ -278,6 +260,406 @@ spec =
{ message =
"There can be only one fragment named \"fragmentOne\"."
, locations = [AST.Location 8 15, AST.Location 12 15]
- , path = []
}
- in validate queryString `shouldBe` Seq.singleton expected
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects the fragment spread without a target" $
+ let queryString = [r|
+ {
+ dog {
+ ...undefinedFragment
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Fragment target \"undefinedFragment\" is undefined."
+ , locations = [AST.Location 4 19]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects fragment spreads without an unknown target type" $
+ let queryString = [r|
+ {
+ dog {
+ ...notOnExistingType
+ }
+ }
+ fragment notOnExistingType on NotInSchema {
+ name
+ }
+ |]
+ expected = Error
+ { message =
+ "Fragment \"notOnExistingType\" is specified on type \
+ \\"NotInSchema\" which doesn't exist in the schema."
+ , locations = [AST.Location 4 19]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects inline fragments without a target" $
+ let queryString = [r|
+ {
+ ... on NotInSchema {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Inline fragment is specified on type \"NotInSchema\" \
+ \which doesn't exist in the schema."
+ , locations = [AST.Location 3 17]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects fragments on scalar types" $
+ let queryString = [r|
+ {
+ dog {
+ ...fragOnScalar
+ }
+ }
+ fragment fragOnScalar on Int {
+ name
+ }
+ |]
+ expected = Error
+ { message =
+ "Fragment cannot condition on non composite type \
+ \\"Int\"."
+ , locations = [AST.Location 7 15]
+ }
+ in validate queryString `shouldContain` [expected]
+
+ it "rejects inline fragments on scalar types" $
+ let queryString = [r|
+ {
+ ... on Boolean {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Fragment cannot condition on non composite type \
+ \\"Boolean\"."
+ , locations = [AST.Location 3 17]
+ }
+ in validate queryString `shouldContain` [expected]
+
+ it "rejects unused fragments" $
+ let queryString = [r|
+ fragment nameFragment on Dog { # unused
+ name
+ }
+
+ {
+ dog {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Fragment \"nameFragment\" is never used."
+ , locations = [AST.Location 2 15]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects spreads that form cycles" $
+ let queryString = [r|
+ {
+ dog {
+ ...nameFragment
+ }
+ }
+ fragment nameFragment on Dog {
+ name
+ ...barkVolumeFragment
+ }
+ fragment barkVolumeFragment on Dog {
+ barkVolume
+ ...nameFragment
+ }
+ |]
+ error1 = Error
+ { message =
+ "Cannot spread fragment \"barkVolumeFragment\" within \
+ \itself (via barkVolumeFragment -> nameFragment -> \
+ \barkVolumeFragment)."
+ , locations = [AST.Location 11 15]
+ }
+ error2 = Error
+ { message =
+ "Cannot spread fragment \"nameFragment\" within itself \
+ \(via nameFragment -> barkVolumeFragment -> \
+ \nameFragment)."
+ , locations = [AST.Location 7 15]
+ }
+ in validate queryString `shouldBe` [error1, error2]
+
+ it "rejects duplicate field arguments" $ do
+ let queryString = [r|
+ {
+ dog {
+ isHousetrained(atOtherHomes: true, atOtherHomes: true)
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "There can be only one argument named \"atOtherHomes\"."
+ , locations = [AST.Location 4 34, AST.Location 4 54]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects more than one directive per location" $ do
+ let queryString = [r|
+ query ($foo: Boolean = true, $bar: Boolean = false) {
+ dog @skip(if: $foo) @skip(if: $bar) {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "There can be only one directive named \"skip\"."
+ , locations = [AST.Location 3 21, AST.Location 3 37]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects duplicate variables" $
+ let queryString = [r|
+ query houseTrainedQuery($atOtherHomes: Boolean, $atOtherHomes: Boolean) {
+ dog {
+ isHousetrained(atOtherHomes: $atOtherHomes)
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "There can be only one variable named \"atOtherHomes\"."
+ , locations = [AST.Location 2 39, AST.Location 2 63]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects non-input types as variables" $
+ let queryString = [r|
+ query takesDogBang($dog: Dog!) {
+ dog {
+ isHousetrained(atOtherHomes: $dog)
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Variable \"$dog\" cannot be non-input type \"Dog\"."
+ , locations = [AST.Location 2 34]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects undefined variables" $
+ let queryString = [r|
+ query variableIsNotDefinedUsedInSingleFragment {
+ dog {
+ ...isHousetrainedFragment
+ }
+ }
+
+ fragment isHousetrainedFragment on Dog {
+ isHousetrained(atOtherHomes: $atOtherHomes)
+ }
+ |]
+ expected = Error
+ { message =
+ "Variable \"$atOtherHomes\" is not defined by \
+ \operation \
+ \\"variableIsNotDefinedUsedInSingleFragment\"."
+ , locations = [AST.Location 9 46]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects unused variables" $
+ let queryString = [r|
+ query variableUnused($atOtherHomes: Boolean) {
+ dog {
+ isHousetrained
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Variable \"$atOtherHomes\" is never used in operation \
+ \\"variableUnused\"."
+ , locations = [AST.Location 2 36]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects duplicate fields in input objects" $
+ let queryString = [r|
+ {
+ findDog(complex: { name: "Fido", name: "Jack" }) {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "There can be only one input field named \"name\"."
+ , locations = [AST.Location 3 36, AST.Location 3 50]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects undefined fields" $
+ let queryString = [r|
+ {
+ dog {
+ meowVolume
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Cannot query field \"meowVolume\" on type \"Dog\"."
+ , locations = [AST.Location 4 19]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects scalar fields with not empty selection set" $
+ let queryString = [r|
+ {
+ dog {
+ barkVolume {
+ sinceWhen
+ }
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Field \"barkVolume\" must not have a selection since \
+ \type \"Int\" has no subfields."
+ , locations = [AST.Location 4 19]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects field arguments missing in the type" $
+ let queryString = [r|
+ {
+ dog {
+ doesKnowCommand(command: CLEAN_UP_HOUSE, dogCommand: SIT)
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Unknown argument \"command\" on field \
+ \\"Dog.doesKnowCommand\"."
+ , locations = [AST.Location 4 35]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects directive arguments missing in the definition" $
+ let queryString = [r|
+ {
+ dog {
+ isHousetrained(atOtherHomes: true) @include(unless: false, if: true)
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Unknown argument \"unless\" on directive \"@include\"."
+ , locations = [AST.Location 4 63]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects undefined directives" $
+ let queryString = [r|
+ {
+ dog {
+ isHousetrained(atOtherHomes: true) @ignore(if: true)
+ }
+ }
+ |]
+ expected = Error
+ { message = "Unknown directive \"@ignore\"."
+ , locations = [AST.Location 4 54]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects undefined input object fields" $
+ let queryString = [r|
+ {
+ findDog(complex: { favoriteCookieFlavor: "Bacon", name: "Jack" }) {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Field \"favoriteCookieFlavor\" is not defined \
+ \by type \"DogData\"."
+ , locations = [AST.Location 3 36]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects directives in invalid locations" $
+ let queryString = [r|
+ query @skip(if: $foo) {
+ dog {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message = "Directive \"@skip\" may not be used on QUERY."
+ , locations = [AST.Location 2 21]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "rejects missing required input fields" $
+ let queryString = [r|
+ {
+ findDog(complex: { name: null }) {
+ name
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Input field \"name\" of type \"DogData\" is required, \
+ \but it was not provided."
+ , locations = [AST.Location 3 34]
+ }
+ in validate queryString `shouldBe` [expected]
+
+ it "finds corresponding subscription fragment" $
+ let queryString = [r|
+ subscription sub {
+ ...anotherSubscription
+ ...multipleSubscriptions
+ }
+ fragment multipleSubscriptions on Subscription {
+ newMessage {
+ body
+ }
+ disallowedSecondRootField {
+ sender
+ }
+ }
+ fragment anotherSubscription on Subscription {
+ newMessage {
+ body
+ sender
+ }
+ }
+ |]
+ expected = Error
+ { message =
+ "Subscription \"sub\" must select only one top level \
+ \field."
+ , locations = [AST.Location 2 15]
+ }
+ in validate queryString `shouldBe` [expected]