Add notifications on work page, rebase already exists with notifications.js

static/modules/notifications/__tests__/helpers.test.js

@@ -0,0 +1,104 @@
+const { partial, append, isString, createElement, createParagraph } = require('../src/helpers');
+
+const addNumbers = (x, y) => x + y;
+
+const sum = (...numbers) => numbers.reduce((total, current) => total + current, 0);
+
+describe('Helpers', () => {
+	beforeEach(() => {
+		document.body.innerHTML = '';
+	});
+
+	describe('Partial', () => {
+		it('should return a partially applied function', () => {
+			expect(typeof partial(addNumbers, 10)).toEqual('function');
+		});
+
+		it('should execute function when partially applied function is called', () => {
+			expect(partial(addNumbers, 20)(10)).toEqual(30);
+		});
+
+		it('should gather argument', () => {
+			expect(partial(sum, 5, 10)(15, 20, 25)).toEqual(75);
+		});
+	});
+
+	describe('Append', () => {
+		const container = document.createElement('div');
+		document.body.appendChild(container);
+
+		const elementToAppend = document.createElement('h1');
+		elementToAppend.classList.add('heading');
+		elementToAppend.innerText = 'working';
+
+		append(container, elementToAppend);
+
+		const element = document.querySelector('.heading');
+		expect(element);
+
+		expect(element.innerText).toEqual('working');
+	});
+
+	describe('Is string', () => {
+		expect(isString(1)).toEqual(false);
+		expect(isString(null)).toEqual(false);
+		expect(isString(undefined)).toEqual(false);
+		expect(isString({})).toEqual(false);
+
+		expect(isString('')).toEqual(true);
+		expect(isString('a')).toEqual(true);
+		expect(isString('1')).toEqual(true);
+		expect(isString('some string')).toEqual(true);
+	});
+
+	describe('Create element', () => {
+		it('should create an element', () => {
+			expect(createElement('p')).toEqual(document.createElement('p'));
+			expect(createElement('h1')).toEqual(document.createElement('h1'));
+			expect(createElement('ul')).toEqual(document.createElement('ul'));
+			expect(createElement('li')).toEqual(document.createElement('li'));
+			expect(createElement('div')).toEqual(document.createElement('div'));
+			expect(createElement('span')).toEqual(document.createElement('span'));
+		});
+
+		it('should add class names', () => {
+			expect(createElement('div', 'someclass1', 'someclass2').classList.contains('someclass2'));
+			expect(createElement('p', 'para', 'test').classList.contains('para'));
+
+			const mockUl = document.createElement('ul');
+			mockUl.classList.add('nav');
+			mockUl.classList.add('foo');
+
+			expect(createElement('ul', 'nav', 'foo').classList).toEqual(mockUl.classList);
+		});
+	});
+
+	describe('Create paragraph', () => {
+		it('should create a paragraph', () => {
+			const p = document.createElement('p');
+			p.innerText = 'Some text';
+			expect(createParagraph()('Some text')).toEqual(p);
+		});
+
+		it('should add class names', () => {
+			const p = document.createElement('p');
+			p.classList.add('body-text');
+			p.classList.add('para');
+
+			expect(createParagraph('body-text', 'para')('')).toEqual(p);
+		});
+
+		it('should set inner text', () => {
+			const p = document.createElement('p');
+			p.innerText = 'Hello world!';
+			p.classList.add('text');
+
+			expect(createParagraph('text')('Hello world!')).toEqual(p);
+		});
+
+		it('should append to DOM', () => {
+			append(document.body, createParagraph('text')('hello'));
+			expect(document.querySelector('.text').innerText).toEqual('hello');
+		});
+	});
+});

static/modules/notifications/__tests__/index.tests.js

@@ -0,0 +1,144 @@
+require('../src/index');
+
+describe('Notifications', () => {
+	beforeEach(() => {
+		document.body.innerHTML = '';
+	});
+
+	it('should display a console warning if no title or message is passed', () => {
+		jest.spyOn(global.console, 'warn');
+		window.createNotification()();
+		expect(console.warn).toBeCalled();
+	});
+
+	it('should render a default notification', () => {
+		const notification = window.createNotification();
+
+		const title = 'I am a title';
+
+		// Should initially not contain any notifications
+		expect(document.querySelectorAll('.ncf').length).toEqual(0);
+
+		// Create a notification instance with a title
+		notification({ title });
+
+		// Should be one notification with the title passed in
+		expect(document.querySelectorAll('.ncf').length).toEqual(1);
+		expect(document.querySelector('.ncf-title').innerText).toEqual(title);
+
+		// Create a second instance so there should now be two instances
+		notification({ title });
+		expect(document.querySelectorAll('.ncf').length).toEqual(2);
+	});
+
+	it('should close on click if the option is enabled', () => {
+		const notification = window.createNotification({
+			closeOnClick: true
+		});
+
+		// Create a notification with a generic body
+		notification({ message: 'some text' });
+
+		// Should be one notification instance
+		expect(document.querySelectorAll('.ncf').length).toEqual(1);
+
+		// Click the notification
+		document.querySelector('.ncf').click();
+
+		expect(document.querySelectorAll('.ncf').length).toEqual(0);
+	});
+
+	it('should not close on click if the option is disabled', () => {
+		const notification = window.createNotification({
+			closeOnClick: false
+		});
+
+		// Create a notification with a generic body
+		notification({ message: 'some text' });
+
+		// Should be one notification instance
+		expect(document.querySelectorAll('.ncf').length).toEqual(1);
+
+		// Click the notification
+		document.querySelector('.ncf').click();
+
+		expect(document.querySelectorAll('.ncf').length).toEqual(1);
+	});
+
+	it('should set position class if valid', () => {
+		const validPositions = [
+			'nfc-top-left',
+			'nfc-top-right',
+			'nfc-bottom-left',
+			'nfc-bottom-right'
+		];
+
+		validPositions.forEach(position => {
+			const notification = window.createNotification({
+				positionClass: position
+			});
+
+			notification({ title: 'title here' });
+
+			const className = `.${position}`;
+
+			expect(document.querySelectorAll(className).length).toEqual(1);
+
+			const container = document.querySelector(className);
+			expect(container.querySelectorAll('.ncf').length).toEqual(1);
+		});
+	});
+
+	it('should revert to default to default position and warn if class is invalid', () => {
+		const notification = window.createNotification({
+			positionClass: 'invalid-name'
+		});
+
+		jest.spyOn(global.console, 'warn');
+
+		notification({ message: 'test' });
+
+		expect(console.warn).toBeCalled();
+
+		expect(document.querySelectorAll('.nfc-top-right').length).toEqual(1);
+	});
+
+	it('should allow a custom onclick callback', () => {
+		let a = 'not clicked';
+
+		const notification = window.createNotification({
+			onclick: () => {
+				a = 'clicked';
+			}
+		});
+
+		notification({ message: 'click test' });
+
+		expect(a).toEqual('not clicked');
+
+		// Click the notification
+		document.querySelector('.ncf').click();
+
+		expect(a).toEqual('clicked');
+	});
+
+	it('should show for correct duration', () => {
+		const notification = window.createNotification({
+			showDuration: 500
+		});
+
+		notification({ message: 'test' });
+
+		expect(document.querySelectorAll('.ncf').length).toEqual(1);
+
+		// Should exist after 400ms
+		setTimeout(() => {
+			expect(document.querySelectorAll('.ncf').length).toEqual(1);
+		}, 400);
+
+		// Should delete after 500ms
+		setTimeout(() => {
+			expect(document.querySelectorAll('.ncf').length).toEqual(0);
+		});
+	}, 501);
+});