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|
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
module Language.GraphQL.AST.ParserSpec
( spec
) where
import Data.List.NonEmpty (NonEmpty(..))
import Language.GraphQL.AST.Document
import Language.GraphQL.AST.Parser
import Test.Hspec (Spec, describe, it)
import Test.Hspec.Megaparsec (shouldParse, shouldFailOn, shouldSucceedOn)
import Text.Megaparsec (parse)
import Text.RawString.QQ (r)
spec :: Spec
spec = describe "Parser" $ do
it "accepts BOM header" $
parse document "" `shouldSucceedOn` "\xfeff{foo}"
it "accepts block strings as argument" $
parse document "" `shouldSucceedOn` [r|{
hello(text: """Argument""")
}|]
it "accepts strings as argument" $
parse document "" `shouldSucceedOn` [r|{
hello(text: "Argument")
}|]
it "accepts two required arguments" $
parse document "" `shouldSucceedOn` [r|
mutation auth($username: String!, $password: String!){
test
}|]
it "accepts two string arguments" $
parse document "" `shouldSucceedOn` [r|
mutation auth{
test(username: "username", password: "password")
}|]
it "accepts two block string arguments" $
parse document "" `shouldSucceedOn` [r|
mutation auth{
test(username: """username""", password: """password""")
}|]
it "parses minimal schema definition" $
parse document "" `shouldSucceedOn` [r|schema { query: Query }|]
it "parses minimal scalar definition" $
parse document "" `shouldSucceedOn` [r|scalar Time|]
it "parses ImplementsInterfaces" $
parse document "" `shouldSucceedOn` [r|
type Person implements NamedEntity & ValuedEntity {
name: String
}
|]
it "parses a type without ImplementsInterfaces" $
parse document "" `shouldSucceedOn` [r|
type Person {
name: String
}
|]
it "parses ArgumentsDefinition in an ObjectDefinition" $
parse document "" `shouldSucceedOn` [r|
type Person {
name(first: String, last: String): String
}
|]
it "parses minimal union type definition" $
parse document "" `shouldSucceedOn` [r|
union SearchResult = Photo | Person
|]
it "parses minimal interface type definition" $
parse document "" `shouldSucceedOn` [r|
interface NamedEntity {
name: String
}
|]
it "parses minimal enum type definition" $
parse document "" `shouldSucceedOn` [r|
enum Direction {
NORTH
EAST
SOUTH
WEST
}
|]
it "parses minimal enum type definition" $
parse document "" `shouldSucceedOn` [r|
enum Direction {
NORTH
EAST
SOUTH
WEST
}
|]
it "parses minimal input object type definition" $
parse document "" `shouldSucceedOn` [r|
input Point2D {
x: Float
y: Float
}
|]
it "parses minimal input enum definition with an optional pipe" $
parse document "" `shouldSucceedOn` [r|
directive @example on
| FIELD
| FRAGMENT_SPREAD
|]
it "parses schema extension with a new directive" $
parse document "" `shouldSucceedOn`[r|
extend schema @newDirective
|]
it "parses schema extension with an operation type definition" $
parse document "" `shouldSucceedOn` [r|extend schema { query: Query }|]
it "parses schema extension with an operation type and directive" $
let newDirective = Directive "newDirective" []
schemaExtension = SchemaExtension
$ SchemaOperationExtension [newDirective]
$ OperationTypeDefinition Query "Query" :| []
testSchemaExtension = TypeSystemExtension schemaExtension
$ Location 1 1
query = [r|extend schema @newDirective { query: Query }|]
in parse document "" query `shouldParse` (testSchemaExtension :| [])
it "parses an object extension" $
parse document "" `shouldSucceedOn` [r|
extend type Story {
isHiddenLocally: Boolean
}
|]
it "rejects variables in DefaultValue" $
parse document "" `shouldFailOn` [r|
query ($book: String = "Zarathustra", $author: String = $book) {
title
}
|]
it "parses documents beginning with a comment" $
parse document "" `shouldSucceedOn` [r|
"""
Query
"""
type Query {
queryField: String
}
|]
it "parses subscriptions" $
parse document "" `shouldSucceedOn` [r|
subscription NewMessages {
newMessage(roomId: 123) {
sender
}
}
|]
|
