--- /dev/null
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+import * as React from 'react';
+import axios from 'axios';
+import { configure, shallow } from "enzyme";
+import * as Adapter from 'enzyme-adapter-react-16';
+import { ListItem } from '@material-ui/core';
+import * as JSZip from 'jszip';
+import { DownloadAction } from './download-action';
+
+configure({ adapter: new Adapter() });
+
+jest.mock('axios');
+
+jest.mock('file-saver', () => ({
+ saveAs: jest.fn(),
+}));
+
+const mock = {
+ file: jest.fn(),
+ generateAsync: jest.fn().mockImplementation(() => Promise.resolve('test')),
+};
+
+jest.mock('jszip', () => jest.fn().mockImplementation(() => mock));
+
+describe('<DownloadAction />', () => {
+ let props;
+ let zip;
+
+ beforeEach(() => {
+ props = {};
+ zip = new JSZip();
+ (axios as any).get.mockImplementationOnce(() => Promise.resolve({ data: '1234' }));
+ });
+
+ it('should return null if missing href or kind of file in props', () => {
+ // when
+ const wrapper = shallow(<DownloadAction {...props} />);
+
+ // then
+ expect(wrapper.html()).toBeNull();
+ });
+
+ it('should return a element', () => {
+ // setup
+ props.href = '#';
+
+ // when
+ const wrapper = shallow(<DownloadAction {...props} />);
+
+ // then
+ expect(wrapper.html()).not.toBeNull();
+ });
+
+ it('should handle download', () => {
+ // setup
+ props = {
+ href: ['file1'],
+ kind: 'files',
+ download: [],
+ currentCollectionUuid: '123412-123123'
+ };
+ const wrapper = shallow(<DownloadAction {...props} />);
+
+ // when
+ wrapper.find(ListItem).simulate('click');
+
+ // then
+ expect(axios.get).toHaveBeenCalledWith(props.href[0]);
+ });
+});
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