forked from OSS/graphql
367 lines
11 KiB
Haskell
367 lines
11 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE QuasiQuotes #-}
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module Test.StarWars.QuerySpec
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( spec
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) where
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import qualified Data.Aeson as Aeson
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import Data.Aeson ((.=))
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import qualified Data.HashMap.Strict as HashMap
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import Data.Text (Text)
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import Language.GraphQL
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import Text.RawString.QQ (r)
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import Test.Hspec.Expectations (Expectation, shouldBe)
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import Test.Hspec (Spec, describe, it)
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import Test.StarWars.Schema
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-- * Test
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-- See https://github.com/graphql/graphql-js/blob/master/src/__tests__/starWarsQueryTests.js
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spec :: Spec
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spec = describe "Star Wars Query Tests" $ do
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describe "Basic Queries" $ do
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it "R2-D2 hero" $ testQuery
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[r| query HeroNameQuery {
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hero {
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id
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}
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}
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|]
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$ Aeson.object
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[ "data" .= Aeson.object
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[ "hero" .= Aeson.object ["id" .= ("2001" :: Text)]
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]
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]
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it "R2-D2 ID and friends" $ testQuery
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[r| query HeroNameAndFriendsQuery {
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hero {
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id
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name
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friends {
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name
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}
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"hero" .= Aeson.object
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[ "id" .= ("2001" :: Text)
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, r2d2Name
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, "friends" .=
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[ Aeson.object [lukeName]
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, Aeson.object [hanName]
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, Aeson.object [leiaName]
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]
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]
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]]
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describe "Nested Queries" $ do
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it "R2-D2 friends" $ testQuery
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[r| query NestedQuery {
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hero {
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name
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friends {
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name
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appearsIn
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friends {
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name
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}
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}
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"hero" .= Aeson.object [
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"name" .= ("R2-D2" :: Text)
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, "friends" .= [
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Aeson.object [
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"name" .= ("Luke Skywalker" :: Text)
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, "appearsIn" .= ["NEW_HOPE", "EMPIRE", "JEDI" :: Text]
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, "friends" .= [
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Aeson.object [hanName]
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, Aeson.object [leiaName]
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, Aeson.object [c3poName]
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, Aeson.object [r2d2Name]
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]
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]
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, Aeson.object [
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hanName
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, "appearsIn" .= ["NEW_HOPE", "EMPIRE", "JEDI" :: Text]
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, "friends" .=
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[ Aeson.object [lukeName]
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, Aeson.object [leiaName]
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, Aeson.object [r2d2Name]
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]
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]
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, Aeson.object [
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leiaName
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, "appearsIn" .= ["NEW_HOPE", "EMPIRE", "JEDI" :: Text]
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, "friends" .=
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[ Aeson.object [lukeName]
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, Aeson.object [hanName]
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, Aeson.object [c3poName]
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, Aeson.object [r2d2Name]
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]
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]
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]
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]
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]]
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it "Luke ID" $ testQuery
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[r| query FetchLukeQuery {
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human(id: "1000") {
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name
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object
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[ "human" .= Aeson.object [lukeName]
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]]
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it "Luke ID with variable" $ testQueryParams
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(HashMap.singleton "someId" "1000")
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[r| query FetchSomeIDQuery($someId: String!) {
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human(id: $someId) {
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name
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"human" .= Aeson.object [lukeName]
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]]
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it "Han ID with variable" $ testQueryParams
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(HashMap.singleton "someId" "1002")
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[r| query FetchSomeIDQuery($someId: String!) {
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human(id: $someId) {
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name
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"human" .= Aeson.object [hanName]
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]]
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it "Invalid ID" $ testQueryParams
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(HashMap.singleton "id" "Not a valid ID")
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[r| query humanQuery($id: String!) {
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human(id: $id) {
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name
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}
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}
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|] $ Aeson.object ["data" .= Aeson.object ["human" .= Aeson.Null]]
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it "Luke aliased" $ testQuery
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[r| query FetchLukeAliased {
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luke: human(id: "1000") {
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name
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"luke" .= Aeson.object [lukeName]
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]]
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it "R2-D2 ID and friends aliased" $ testQuery
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[r| query HeroNameAndFriendsQuery {
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hero {
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id
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name
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friends {
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friendName: name
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}
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"hero" .= Aeson.object [
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"id" .= ("2001" :: Text)
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, r2d2Name
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, "friends" .=
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[ Aeson.object ["friendName" .= ("Luke Skywalker" :: Text)]
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, Aeson.object ["friendName" .= ("Han Solo" :: Text)]
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, Aeson.object ["friendName" .= ("Leia Organa" :: Text)]
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]
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]
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]]
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it "Luke and Leia aliased" $ testQuery
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[r| query FetchLukeAndLeiaAliased {
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luke: human(id: "1000") {
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name
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}
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leia: human(id: "1003") {
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name
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object
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[ "luke" .= Aeson.object [lukeName]
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, "leia" .= Aeson.object [leiaName]
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]]
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describe "Fragments for complex queries" $ do
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it "Aliases to query for duplicate content" $ testQuery
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[r| query DuplicateFields {
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luke: human(id: "1000") {
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name
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homePlanet
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}
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leia: human(id: "1003") {
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name
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homePlanet
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}
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"luke" .= Aeson.object [lukeName, tatooine]
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, "leia" .= Aeson.object [leiaName, alderaan]
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]]
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it "Fragment for duplicate content" $ testQuery
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[r| query UseFragment {
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luke: human(id: "1000") {
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...HumanFragment
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}
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leia: human(id: "1003") {
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...HumanFragment
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}
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}
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fragment HumanFragment on Human {
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name
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homePlanet
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}
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|]
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$ Aeson.object [ "data" .= Aeson.object [
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"luke" .= Aeson.object [lukeName, tatooine]
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, "leia" .= Aeson.object [leiaName, alderaan]
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]]
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describe "__typename" $ do
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it "R2D2 is a Droid" $ testQuery
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[r| query CheckTypeOfR2 {
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hero {
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__typename
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name
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}
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}
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|]
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$ Aeson.object ["data" .= Aeson.object [
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"hero" .= Aeson.object
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[ "__typename" .= ("Droid" :: Text)
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, r2d2Name
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]
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]]
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it "Luke is a human" $ testQuery
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[r| query CheckTypeOfLuke {
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hero(episode: EMPIRE) {
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__typename
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name
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}
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}
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|]
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$ Aeson.object ["data" .= Aeson.object [
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"hero" .= Aeson.object
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[ "__typename" .= ("Human" :: Text)
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, lukeName
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]
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]]
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describe "Errors in resolvers" $ do
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it "error on secretBackstory" $ testQuery
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[r|
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query HeroNameQuery {
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hero {
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name
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secretBackstory
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}
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}
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|]
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$ Aeson.object
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[ "data" .= Aeson.object
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[ "hero" .= Aeson.object
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[ "name" .= ("R2-D2" :: Text)
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, "secretBackstory" .= Aeson.Null
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]
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]
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, "errors" .=
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[ Aeson.object
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["message" .= ("secretBackstory is secret." :: Text)]
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]
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]
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it "Error in a list" $ testQuery
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[r| query HeroNameQuery {
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hero {
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name
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friends {
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name
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secretBackstory
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}
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}
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}
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|]
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$ Aeson.object ["data" .= Aeson.object
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[ "hero" .= Aeson.object
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[ "name" .= ("R2-D2" :: Text)
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, "friends" .=
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[ Aeson.object
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[ "name" .= ("Luke Skywalker" :: Text)
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, "secretBackstory" .= Aeson.Null
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]
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, Aeson.object
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[ "name" .= ("Han Solo" :: Text)
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, "secretBackstory" .= Aeson.Null
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]
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, Aeson.object
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[ "name" .= ("Leia Organa" :: Text)
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, "secretBackstory" .= Aeson.Null
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]
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]
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]
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]
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, "errors" .=
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[ Aeson.object
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[ "message" .= ("secretBackstory is secret." :: Text)
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]
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, Aeson.object
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[ "message" .= ("secretBackstory is secret." :: Text)
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]
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, Aeson.object
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[ "message" .= ("secretBackstory is secret." :: Text)
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]
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]
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]
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it "error on secretBackstory with alias" $ testQuery
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[r| query HeroNameQuery {
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mainHero: hero {
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name
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story: secretBackstory
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}
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}
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|]
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$ Aeson.object
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[ "data" .= Aeson.object
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[ "mainHero" .= Aeson.object
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[ "name" .= ("R2-D2" :: Text)
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, "story" .= Aeson.Null
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]
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]
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, "errors" .=
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[ Aeson.object
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[ "message" .= ("secretBackstory is secret." :: Text)
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]
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]
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]
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where
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lukeName = "name" .= ("Luke Skywalker" :: Text)
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leiaName = "name" .= ("Leia Organa" :: Text)
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hanName = "name" .= ("Han Solo" :: Text)
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r2d2Name = "name" .= ("R2-D2" :: Text)
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c3poName = "name" .= ("C-3PO" :: Text)
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tatooine = "homePlanet" .= ("Tatooine" :: Text)
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alderaan = "homePlanet" .= ("Alderaan" :: Text)
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testQuery :: Text -> Aeson.Value -> Expectation
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testQuery q expected =
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let Right (Right actual) = graphql starWarsSchema q
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in Aeson.Object actual `shouldBe` expected
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testQueryParams :: Aeson.Object -> Text -> Aeson.Value -> Expectation
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testQueryParams f q expected =
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let Right (Right actual) = graphqlSubs starWarsSchema Nothing f q
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in Aeson.Object actual `shouldBe` expected
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