From 33318a3b01d27771c6d51ddc5899162bf3acebd8 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Mon, 31 Aug 2020 11:06:27 +0200
Subject: Validate fragment spread target existence

---
 tests/Language/GraphQL/ValidateSpec.hs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'tests/Language/GraphQL')

diff --git a/tests/Language/GraphQL/ValidateSpec.hs b/tests/Language/GraphQL/ValidateSpec.hs
index 8f6626b..f8809f9 100644
--- a/tests/Language/GraphQL/ValidateSpec.hs
+++ b/tests/Language/GraphQL/ValidateSpec.hs
@@ -281,3 +281,19 @@ spec =
                     , path = []
                     }
              in validate queryString `shouldBe` Seq.singleton 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]
+                    , path = []
+                    }
+             in validate queryString `shouldBe` Seq.singleton expected
-- 
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