Upgrading jest

__tests__/components/Dater.test.js

@@ -0,0 +1,81 @@
+import React from 'react';
+import { BrowserRouter } from "react-router-dom";
+
+// Testing-specific
+import { shallow, mount, render } from 'enzyme';
+
+// Test subjects
+import Dater from '../../src/js/components/Dater';
+
+describe('<Dater />', () => {
+
+	it('should render null when given invalid props', () => {
+
+		// Invalid type
+		const dom_1 = shallow(<Dater type="invalid-type" data={100000} />);
+		expect(dom_1.type()).toEqual(null);
+
+		// Missing type
+		const dom_2 = shallow(<Dater data={100000} />);
+		expect(dom_2.type()).toEqual(null);
+
+		// Missing data
+		const dom_4 = shallow(<Dater type="ago" />);
+		expect(dom_4.type()).toEqual(null);
+	});
+
+	it('should handle milliseconds', () => {
+		const dom = shallow(<Dater type="length" data={30000} />);
+		expect(dom.text()).toEqual('0:30');
+	});
+
+	it('should handle date (yyyy-mm-dd)', () => {
+		const dom = shallow(<Dater type="date" data="2015-10-23" />);
+		expect(dom.text()).toEqual("23/10/2015");
+	});
+
+	it('should handle date (mm/dd/yyyy)', () => {
+		const dom = shallow(<Dater type="date" data="10/23/2015" />);
+		expect(dom.text()).toEqual("23/10/2015");
+	});
+
+	it('should handle ago (days)', () => {
+		var date = new Date();
+		date.setDate( date.getDate() - 3 );
+
+		const dom = shallow(<Dater type="ago" data={date} />);
+		expect(dom.text()).toEqual('3 days');
+	});
+
+	it('should handle ago (hours)', () => {
+		var date = new Date();
+		date.setTime( date.getTime() - 3 * 3600000 );
+
+		const dom = shallow(<Dater type="ago" data={date} />);
+		expect(dom.text()).toEqual('3 hours');
+	});
+
+	it('should handle ago (minutes)', () => {
+		var date = new Date();
+		date.setTime( date.getTime() - 3 * 60000 );
+
+		const dom = shallow(<Dater type="ago" data={date} />);
+		expect(dom.text()).toEqual('3 minutes');
+	});
+
+	it('should handle total time', () => {
+		var data = [
+			{
+				duration: 5 * 60000
+			},
+			{
+				duration: 5 * 60000
+			},
+			{
+				duration: 5 * 60000
+			}
+		];
+		const dom = shallow(<Dater type="total-time" data={data} />);
+		expect(dom.text()).toEqual('15 mins');
+	});
+});