From 78c79a7f529a1c65156ccaaf3f7ae70b74d458ec Mon Sep 17 00:00:00 2001
From: Brad Baker <bbaker@atlassian.com>
Date: Sat, 20 Aug 2022 13:54:01 +1000
Subject: [PATCH] We can rename scalar types

---
 .../schema/SchemaTransformerTest.groovy       | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/src/test/groovy/graphql/schema/SchemaTransformerTest.groovy b/src/test/groovy/graphql/schema/SchemaTransformerTest.groovy
index 4d41f672b..6cda5ee32 100644
--- a/src/test/groovy/graphql/schema/SchemaTransformerTest.groovy
+++ b/src/test/groovy/graphql/schema/SchemaTransformerTest.groovy
@@ -841,4 +841,33 @@ type Query {
 }
 '''
     }
+
+    def "can rename scalars"() {
+
+        def schema = TestUtil.schema("""
+            scalar Foo
+            type Query {
+                field : Foo
+            }
+""")
+
+        def visitor = new GraphQLTypeVisitorStub() {
+
+            @Override
+            TraversalControl visitGraphQLScalarType(GraphQLScalarType node, TraverserContext<GraphQLSchemaElement> context) {
+                if (node.getName().equals("Foo")) {
+                    GraphQLScalarType newNode = node.transform({sc -> sc.name("Bar")})
+                    return changeNode(context, newNode)
+                }
+                return super.visitGraphQLScalarType(node, context)
+            }
+        }
+
+        when:
+        def newSchema = SchemaTransformer.transformSchema(schema, visitor)
+        then:
+        newSchema.getType("Bar") instanceof GraphQLScalarType
+        newSchema.getType("Foo") == null
+        (newSchema.getObjectType("Query").getFieldDefinition("field").getType() as GraphQLScalarType).getName() == "Bar"
+    }
 }