{-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE QuasiQuotes #-} module Language.GraphQL.AST.EncoderSpec ( spec ) where import Data.List.NonEmpty (NonEmpty(..)) import qualified Language.GraphQL.AST.Document as Full import Language.GraphQL.AST.Encoder import Language.GraphQL.TH import Test.Hspec (Spec, context, describe, it, shouldBe, shouldStartWith, shouldEndWith, shouldNotContain) import Test.QuickCheck (choose, oneof, forAll) import qualified Data.Text.Lazy as Text.Lazy spec :: Spec spec = do describe "value" $ do context "null value" $ do let testNull formatter = value formatter Full.Null `shouldBe` "null" it "minified" $ testNull minified it "pretty" $ testNull pretty context "minified" $ do it "escapes \\" $ value minified (Full.String "\\") `shouldBe` "\"\\\\\"" it "escapes double quotes" $ value minified (Full.String "\"") `shouldBe` "\"\\\"\"" it "escapes \\f" $ value minified (Full.String "\f") `shouldBe` "\"\\f\"" it "escapes \\n" $ value minified (Full.String "\n") `shouldBe` "\"\\n\"" it "escapes \\r" $ value minified (Full.String "\r") `shouldBe` "\"\\r\"" it "escapes \\t" $ value minified (Full.String "\t") `shouldBe` "\"\\t\"" it "escapes backspace" $ value minified (Full.String "a\bc") `shouldBe` "\"a\\bc\"" context "escapes Unicode for chars less than 0010" $ do 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 (Full.String "\x0010") `shouldBe` "\"\\u0010\"" it "EM" $ value minified (Full.String "\x0019") `shouldBe` "\"\\u0019\"" context "encodes without escape" $ do 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 (Full.String "Short text") `shouldBe` "\"Short text\"" it "uses block strings for text with new lines, with newline symbol" $ let expected = [gql| """ Line 1 Line 2 """ |] actual = value pretty $ Full.String "Line 1\nLine 2" in actual `shouldBe` expected it "uses block strings for text with new lines, with CR symbol" $ let expected = [gql| """ Line 1 Line 2 """ |] actual = value pretty $ Full.String "Line 1\rLine 2" in actual `shouldBe` expected it "uses block strings for text with new lines, with CR symbol followed by newline" $ let expected = [gql| """ Line 1 Line 2 """ |] actual = value pretty $ Full.String "Line 1\r\nLine 2" in actual `shouldBe` expected it "encodes as one line string if has escaped symbols" $ do let genNotAllowedSymbol = oneof [ choose ('\x0000', '\x0008') , choose ('\x000B', '\x000C') , choose ('\x000E', '\x001F') , pure '\x007F' ] forAll genNotAllowedSymbol $ \x -> do let rawValue = "Short \n" <> Text.Lazy.cons x "text" encoded = value pretty $ Full.String $ Text.Lazy.toStrict rawValue shouldStartWith (Text.Lazy.unpack encoded) "\"" shouldEndWith (Text.Lazy.unpack encoded) "\"" shouldNotContain (Text.Lazy.unpack encoded) "\"\"\"" it "Hello world" $ let actual = value pretty $ Full.String "Hello,\n World!\n\nYours,\n GraphQL." expected = [gql| """ Hello, World! Yours, GraphQL. """ |] in actual `shouldBe` expected it "has only newlines" $ let actual = value pretty $ Full.String "\n" expected = [gql| """ """ |] in actual `shouldBe` expected it "has newlines and one symbol at the begining" $ let actual = value pretty $ Full.String "a\n\n" expected = [gql| """ a """|] in actual `shouldBe` expected it "has newlines and one symbol at the end" $ let actual = value pretty $ Full.String "\n\na" expected = [gql| """ a """ |] in actual `shouldBe` expected it "has newlines and one symbol in the middle" $ let actual = value pretty $ Full.String "\na\n" expected = [gql| """ a """ |] in actual `shouldBe` expected it "skip trailing whitespaces" $ let actual = value pretty $ Full.String " Short\ntext " expected = [gql| """ Short text """ |] in actual `shouldBe` expected describe "definition" $ it "indents block strings in arguments" $ 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 expected = Text.Lazy.snoc [gql| { field(message: """ line1 line2 """) } |] '\n' actual = definition pretty operation in actual `shouldBe` expected describe "operationType" $ it "produces lowercase mutation operation type" $ let actual = operationType pretty Full.Mutation in actual `shouldBe` "mutation" describe "typeSystemDefinition" $ do it "produces a schema with an indented operation type definition" $ let queryType = Full.OperationTypeDefinition Full.Query "QueryRootType" mutationType = Full.OperationTypeDefinition Full.Mutation "MutationType" operations = queryType :| pure mutationType definition' = Full.SchemaDefinition [] operations expected = Text.Lazy.snoc [gql| schema { query: QueryRootType mutation: MutationType } |] '\n' actual = typeSystemDefinition pretty definition' in actual `shouldBe` expected it "encodes a scalar type definition" $ let uuidType = Full.ScalarTypeDefinition mempty "UUID" mempty definition' = Full.TypeDefinition uuidType expected = "scalar UUID" actual = typeSystemDefinition pretty definition' in actual `shouldBe` expected it "encodes an interface definition" $ let someType = Full.TypeNamed "String" argument = Full.InputValueDefinition mempty "arg" someType Nothing mempty arguments = Full.ArgumentsDefinition [argument] definition' = Full.TypeDefinition $ Full.InterfaceTypeDefinition mempty "UUID" mempty $ pure $ Full.FieldDefinition mempty "value" arguments someType mempty expected = [gql| interface UUID { value(arg: String): String } |] actual = typeSystemDefinition pretty definition' in actual `shouldBe` expected it "encodes an union definition" $ let definition' = Full.TypeDefinition $ Full.UnionTypeDefinition mempty "SearchResult" mempty $ Full.UnionMemberTypes ["Photo", "Person"] expected = [gql| union SearchResult = | Photo | Person |] actual = typeSystemDefinition pretty definition' in actual `shouldBe` expected it "encodes an enum definition" $ let values = [ Full.EnumValueDefinition mempty "NORTH" mempty , Full.EnumValueDefinition mempty "EAST" mempty , Full.EnumValueDefinition mempty "SOUTH" mempty , Full.EnumValueDefinition mempty "WEST" mempty ] definition' = Full.TypeDefinition $ Full.EnumTypeDefinition mempty "Direction" mempty values expected = [gql| enum Direction { NORTH EAST SOUTH WEST } |] actual = typeSystemDefinition pretty definition' in actual `shouldBe` expected it "encodes an input type" $ let intType = Full.TypeNonNull $ Full.NonNullTypeNamed "Int" stringType = Full.TypeNamed "String" fields = [ Full.InputValueDefinition mempty "a" stringType Nothing mempty , Full.InputValueDefinition mempty "b" intType Nothing mempty ] definition' = Full.TypeDefinition $ Full.InputObjectTypeDefinition mempty "ExampleInputObject" mempty fields expected = [gql| input ExampleInputObject { a: String b: Int! } |] actual = typeSystemDefinition pretty definition' in actual `shouldBe` expected