created tests for components related to importing from source

web/src/components/helper/__tests__/Modal.test.js

@@ -0,0 +1,16 @@
+import React from 'react';
+import { shallow, mount } from 'enzyme';
+import Modal from '../Modal';
+
+it('renders without crashing', () => {
+  shallow(<Modal />);
+});
+
+it('receives props as expected', () =>{
+  const actionButton = <button key={0}>Dummy action button</button>;
+  const childButton = <button key={1}>Child button</button>;
+  const wrapper = mount(<Modal title={'Dummy title'} actions={[actionButton]}>{childButton}</Modal>);
+  expect(wrapper.props().title).toEqual('Dummy title');
+  expect(wrapper.props().actions).toEqual([actionButton]);
+  expect(wrapper.props().children).toEqual(childButton);
+});