deprecated default value method produces bad results

bbakerman · bbakerman · commit f11205448c99 · 2023-08-09T13:27:59.000+10:00
diff --git a/src/test/groovy/graphql/schema/idl/SchemaPrinterTest.groovy b/src/test/groovy/graphql/schema/idl/SchemaPrinterTest.groovy
@@ -2247,6 +2247,25 @@ type Query {
 type TestObjectB {
   field: String
 }
+'''
+    }
+
+    def "deprecated defaultValue on programmatic args prints as expected"() {
+        def queryObjType = newObject().name("Query")
+                .field(newFieldDefinition().name("f").type(GraphQLString)
+                        .argument(newArgument().name("arg").type(GraphQLString).defaultValue(null)))
+                .build()
+        def schema = GraphQLSchema.newSchema().query(queryObjType).build()
+
+
+        when:
+        def options = defaultOptions().includeDirectiveDefinitions(false)
+        def sdl = new SchemaPrinter(options).print(schema)
+        then:
+        sdl == '''
+type Query {
+  f(arg: String = null): String
+}
 '''
     }
 }
