Move functional tests

1 files changed, 92 insertions, 0 deletions

diff --git a/tests/Language/GraphQL/DirectiveSpec.hs b/tests/Language/GraphQL/DirectiveSpec.hs
new file mode 100644
index 0000000..40f6215
--- /dev/null
+++ b/tests/Language/GraphQL/DirectiveSpec.hs
@@ -0,0 +1,92 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
+module Language.GraphQL.DirectiveSpec
+    ( spec
+    ) where
+
+import Data.Aeson (object, (.=))
+import qualified Data.Aeson as Aeson
+import qualified Data.HashMap.Strict as HashMap
+import Language.GraphQL
+import Language.GraphQL.TH
+import Language.GraphQL.Type
+import qualified Language.GraphQL.Type.Out as Out
+import Test.Hspec (Spec, describe, it)
+import Test.Hspec.GraphQL
+
+experimentalResolver :: Schema IO
+experimentalResolver = schema queryType Nothing Nothing mempty
+  where
+    queryType = Out.ObjectType "Query" Nothing []
+        $ HashMap.singleton "experimentalField"
+        $ Out.ValueResolver (Out.Field Nothing (Out.NamedScalarType int) mempty)
+        $ pure $ Int 5
+
+emptyObject :: Aeson.Object
+emptyObject = HashMap.singleton "data" $ object []
+
+spec :: Spec
+spec =
+    describe "Directive executor" $ do
+        it "should be able to @skip fields" $ do
+            let sourceQuery = [gql|
+              {
+                experimentalField @skip(if: true)
+              }
+            |]
+
+            actual <- graphql experimentalResolver sourceQuery
+            actual `shouldResolveTo` emptyObject
+
+        it "should not skip fields if @skip is false" $ do
+            let sourceQuery = [gql|
+              {
+                experimentalField @skip(if: false)
+              }
+            |]
+                expected = HashMap.singleton "data"
+                    $ object
+                        [ "experimentalField" .= (5 :: Int)
+                        ]
+            actual <- graphql experimentalResolver sourceQuery
+            actual `shouldResolveTo` expected
+
+        it "should skip fields if @include is false" $ do
+            let sourceQuery = [gql|
+              {
+                experimentalField @include(if: false)
+              }
+            |]
+
+            actual <- graphql experimentalResolver sourceQuery
+            actual `shouldResolveTo` emptyObject
+
+        it "should be able to @skip a fragment spread" $ do
+            let sourceQuery = [gql|
+              {
+                ...experimentalFragment @skip(if: true)
+              }
+
+              fragment experimentalFragment on Query {
+                experimentalField
+              }
+            |]
+
+            actual <- graphql experimentalResolver sourceQuery
+            actual `shouldResolveTo` emptyObject
+
+        it "should be able to @skip an inline fragment" $ do
+            let sourceQuery = [gql|
+              {
+                ... on Query @skip(if: true) {
+                  experimentalField
+                }
+              }
+            |]
+
+            actual <- graphql experimentalResolver sourceQuery
+            actual `shouldResolveTo` emptyObject