Fix false-positive validation error for unknown type

Fixes graphql#255

Author: leebyron

src/validation/__tests__/KnownTypeNames.js

@@ -55,4 +55,26 @@ describe('Validate: Known type names', () => {
  ]);
  });
 
+ it('ignores type definitions', () => {
+ expectFailsRule(KnownTypeNames, `
+ type NotInTheSchema {
+ field: FooBar
+ }
+ interface FooBar {
+ field: NotInTheSchema
+ }
+ union U = A | B
+ input Blob {
+ field: UnknownType
+ }
+ query Foo($var: NotInTheSchema) {
+ user(id: $var) {
+ id
+ }
+ }
+ `, [
+ unknownType('NotInTheSchema', 12, 23),
+ ]);
+ });
+
 });

src/validation/rules/KnownTypeNames.js

@@ -24,6 +24,13 @@ export function unknownTypeMessage(type: any): string {
  */
 export function KnownTypeNames(context: ValidationContext): any {
  return {
+ // TODO: when validating IDL, re-enable these. Experimental version does not
+ // add unreferenced types, resulting in false-positive errors. Squelched
+ // errors for now.
+ ObjectTypeDefinition: () => false,
+ InterfaceTypeDefinition: () => false,
+ UnionTypeDefinition: () => false,
+ InputObjectTypeDefinition: () => false,
  NamedType(node) {
  var typeName = node.name.value;
  var type = context.getSchema().getType(typeName);