chore: adds unit test for version component

src/components/Versions/Versions.test.tsx

@@ -1,11 +1,42 @@
 import React from 'react';
 import { shallow } from 'enzyme';
 
-import Versions from './Versions';
+describe('<Version /> component', () => {
+  beforeEach(() => {
+    jest.resetModules();
+  });
 
-describe('<Versions /> component', () => {
   test('should render the component in default state', () => {
-    const wrapper = shallow(<Versions />);
+    const packageMeta = {
+      versions: {
+        '1.0.0': {
+          version: '1.0.0',
+        },
+        '2.0.0': {
+          version: '2.0.0',
+        },
+        '3.0.0': {
+          version: '3.0.0',
+        },
+      },
+      time: {
+        '1.0.0': '2016-08-26T22:36:41.762Z',
+        '2.0.0': '2017-08-26T22:36:41.762Z',
+        '3.0.0': '2018-02-07T06:43:22.801Z',
+      },
+      'dist-tags': {
+        latest: '3.0.0',
+      },
+    };
+
+    jest.doMock('../../pages/version/Version', () => ({
+      DetailContextConsumer: component => {
+        return component.children({ packageMeta });
+      },
+    }));
+
+    const Version = require('./Versions').default;
+    const wrapper = shallow(<Version />);
     expect(wrapper.html()).toMatchSnapshot();
   });
 });