Copy Jest config from Mastodon and fix tests

app/gabsocial/components/__tests__/__snapshots__/display_name-test.js.snap

@@ -18,6 +18,7 @@ exports[`<DisplayName /> renders display name + account name 1`] = `
     className="display-name__account"
   >
     @
+    bar@baz
   </span>
 </span>
 `;

app/gabsocial/features/ui/components/__tests__/column-test.js

@@ -1,34 +0,0 @@
-import React from 'react';
-import { mount } from 'enzyme';
-import Column from '../column';
-import ColumnHeader from '../column_header';
-
-describe('<Column />', () => {
-  describe('<ColumnHeader /> click handler', () => {
-    const originalRaf = global.requestAnimationFrame;
-
-    beforeEach(() => {
-      global.requestAnimationFrame = jest.fn();
-    });
-
-    afterAll(() => {
-      global.requestAnimationFrame = originalRaf;
-    });
-
-    xit('runs the scroll animation if the column contains scrollable content', () => {
-      const wrapper = mount(
-        <Column heading='notifications'>
-          <div className='scrollable' />
-        </Column>
-      );
-      wrapper.find(ColumnHeader).find('button').simulate('click');
-      expect(global.requestAnimationFrame.mock.calls.length).toEqual(1);
-    });
-
-    xit('does not try to scroll if there is no scrollable content', () => {
-      const wrapper = mount(<Column heading='notifications' />);
-      wrapper.find(ColumnHeader).find('button').simulate('click');
-      expect(global.requestAnimationFrame.mock.calls.length).toEqual(0);
-    });
-  });
-});

jest.config.js

@@ -0,0 +1,32 @@
+module.exports = {
+  'projects': [
+    '<rootDir>/app/gabsocial',
+  ],
+  'testPathIgnorePatterns': [
+    '<rootDir>/node_modules/',
+    '<rootDir>/vendor/',
+    '<rootDir>/config/',
+    '<rootDir>/log/',
+    '<rootDir>/public/',
+    '<rootDir>/tmp/',
+    '<rootDir>/webpack/',
+  ],
+  'setupFiles': [
+    'raf/polyfill',
+  ],
+  'setupFilesAfterEnv': [
+    '<rootDir>/app/gabsocial/test_setup.js',
+  ],
+  'collectCoverageFrom': [
+    'app/gabsocial/**/*.js',
+    '!app/gabsocial/features/emoji/emoji_compressed.js',
+    '!app/gabsocial/locales/locale-data/*.js',
+    '!app/gabsocial/service_worker/entry.js',
+    '!app/gabsocial/test_setup.js',
+  ],
+  'coverageDirectory': '<rootDir>/coverage',
+  'moduleDirectories': [
+    '<rootDir>/node_modules',
+    '<rootDir>/app',
+  ],
+};