jest: added restoreAllMocks

types/jest/index.d.ts

@@ -60,6 +60,12 @@ declare namespace jest {
      * Equivalent to calling .mockClear() on every mocked function.
      */
     function resetAllMocks(): typeof jest;
+    /**
+     * available in Jest 20.1.0+
+     * Restores all mocks back to their original value. Equivalent to calling .mockRestore on every mocked function.
+     * Beware that jest.restoreAllMocks() only works when mock was created with jest.spyOn; other mocks will require you to manually restore them.
+     */
+    function restoreAllMocks(): typeof jest;
     /**
      * Removes any pending timers from the timer system. If any timers have
      * been scheduled, they will be cleared and will never have the opportunity

types/jest/jest-tests.ts

@@ -17,6 +17,12 @@ describe('sum', () => {
     });
 });
 
+describe('restoreAllMocks', () => {
+    afterEach(() => {
+        jest.restoreAllMocks();
+    });
+});
+
 describe('fetchCurrentUser', () => {
     it('calls the callback when $.ajax requests are finished', () => {
         const fetchCurrentUser = require('../fetchCurrentUser');