Make sure bug with useFlowReadOnlyTypes on Enums is fixed #1413

dotansimha · Mar 11, 2019 · 9a9a205 · 9a9a205
1 parent 8c4a495
commit 9a9a205
Showing 1 changed file with 19 additions and 2 deletions.
diff --git a/packages/plugins/flow/tests/flow.spec.ts b/packages/plugins/flow/tests/flow.spec.ts
@@ -29,11 +29,18 @@ describe('Flow Plugin', () => {
     });
 
     it('Should respect flow option useFlowReadOnlyTypes', () => {
-      const ast = parse(`
+      const ast = parse(/* GraphQL */ `
         interface MyInterface {
           foo: String
           bar: String!
-        }`);
+        }
+
+        enum MyEnum {
+          A
+          B
+          C
+        }
+      `);
       const result = visit(ast, {
         leave: new FlowVisitor({
           useFlowReadOnlyTypes: true
@@ -46,7 +53,17 @@ describe('Flow Plugin', () => {
           +bar: string,
         };
       `);
+      expect(result.definitions[1]).toBeSimilarStringTo(`
+        export const MyEnumValues = Object.freeze({
+          A: 'A',
+          B: 'B',
+          C: 'C'
+        });
+        export type MyEnum = $Values<typeof MyEnumValues>;
+      `);
+
       validateFlow(result.definitions[0]);
+      validateFlow(result.definitions[1]);
     });
   });