From 96934d24cf1e709dd395e1214708b7a586bcab22 Mon Sep 17 00:00:00 2001
From: Cristian Carlesso <kentaromiura@gmail.com>
Date: Thu, 20 Oct 2016 04:53:30 +0100
Subject: [PATCH] Adding Symbols support to jest (#1948)

* Adding Symbols support to jest

* Moving test inside jest-mock-test

* Update index.js
---
 packages/jest-mock/src/__tests__/jest-mock-test.js | 2 ++
 packages/jest-mock/src/index.js                    | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/jest-mock/src/__tests__/jest-mock-test.js b/packages/jest-mock/src/__tests__/jest-mock-test.js
index c6b1dfb0130b..37fa048febec 100644
--- a/packages/jest-mock/src/__tests__/jest-mock-test.js
+++ b/packages/jest-mock/src/__tests__/jest-mock-test.js
@@ -26,6 +26,8 @@ describe('moduleMocker', () => {
     });
 
     it('mocks constant values', () => {
+      const metadata = moduleMocker.getMetadata(Symbol.for('bowties.are.cool'));
+      expect(metadata.value).toEqual(Symbol.for('bowties.are.cool'));
       expect(moduleMocker.getMetadata('banana').value).toEqual('banana');
       expect(moduleMocker.getMetadata(27).value).toEqual(27);
       expect(moduleMocker.getMetadata(false).value).toEqual(false);
diff --git a/packages/jest-mock/src/index.js b/packages/jest-mock/src/index.js
index 12bd497ea907..751b20e70d90 100644
--- a/packages/jest-mock/src/index.js
+++ b/packages/jest-mock/src/index.js
@@ -91,7 +91,12 @@ function getType(ref?: any): string|null {
     return 'array';
   } else if (isA('Object', ref)) {
     return 'object';
-  } else if (isA('Number', ref) || isA('String', ref) || isA('Boolean', ref)) {
+  } else if (
+    isA('Number', ref) ||
+    isA('String', ref) ||
+    isA('Boolean', ref) ||
+    isA('Symbol', ref)
+  ) {
     return 'constant';
   } else if (isA('Map', ref) || isA('WeakMap', ref) || isA('Set', ref)) {
     return 'collection';