2017-08-01 03:49:03 -04:00
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import {
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calculateTop,
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hideSubLevelItems,
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showSubLevelItems,
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} from '~/fly_out_nav';
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2017-07-19 05:36:08 -04:00
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describe('Fly out sidebar navigation', () => {
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2017-08-01 03:49:03 -04:00
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let el;
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beforeEach(() => {
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el = document.createElement('div');
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document.body.appendChild(el);
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});
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afterEach(() => {
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el.remove();
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});
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2017-07-19 05:36:08 -04:00
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describe('calculateTop', () => {
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it('returns boundingRect top', () => {
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const boundingRect = {
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top: 100,
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2017-07-24 11:14:29 -04:00
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height: 100,
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2017-07-19 05:36:08 -04:00
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};
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expect(
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calculateTop(boundingRect, 100),
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).toBe(100);
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});
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it('returns boundingRect - bottomOverflow', () => {
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const boundingRect = {
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2017-07-24 11:14:29 -04:00
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top: window.innerHeight - 50,
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height: 100,
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2017-07-19 05:36:08 -04:00
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};
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expect(
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calculateTop(boundingRect, 100),
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2017-07-24 11:14:29 -04:00
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).toBe(window.innerHeight - 50);
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2017-07-19 05:36:08 -04:00
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});
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});
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2017-08-01 03:49:03 -04:00
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describe('hideSubLevelItems', () => {
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beforeEach(() => {
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el.innerHTML = '<div class="sidebar-sub-level-items"></div>';
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});
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it('hides subitems', () => {
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hideSubLevelItems(el);
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expect(
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el.querySelector('.sidebar-sub-level-items').style.display,
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).toBe('none');
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});
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it('removes is-over class', () => {
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spyOn(el.classList, 'remove');
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hideSubLevelItems(el);
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expect(
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el.classList.remove,
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).toHaveBeenCalledWith('is-over');
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});
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it('removes is-above class from sub-items', () => {
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const subItems = el.querySelector('.sidebar-sub-level-items');
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spyOn(subItems.classList, 'remove');
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hideSubLevelItems(el);
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expect(
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subItems.classList.remove,
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).toHaveBeenCalledWith('is-above');
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});
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it('does nothing if el has no sub-items', () => {
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el.innerHTML = '';
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spyOn(el.classList, 'remove');
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hideSubLevelItems(el);
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expect(
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el.classList.remove,
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).not.toHaveBeenCalledWith();
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});
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});
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describe('showSubLevelItems', () => {
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beforeEach(() => {
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el.innerHTML = '<div class="sidebar-sub-level-items"></div>';
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});
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it('adds is-over class to el', () => {
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spyOn(el.classList, 'add');
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showSubLevelItems(el);
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expect(
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el.classList.add,
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).toHaveBeenCalledWith('is-over');
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});
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it('shows sub-items', () => {
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showSubLevelItems(el);
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expect(
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el.querySelector('.sidebar-sub-level-items').style.display,
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).toBe('block');
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});
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it('sets transform of sub-items', () => {
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showSubLevelItems(el);
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expect(
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el.querySelector('.sidebar-sub-level-items').style.transform,
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).toBe(`translate3d(0px, ${el.offsetTop}px, 0px)`);
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});
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it('sets is-above when element is above', () => {
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const subItems = el.querySelector('.sidebar-sub-level-items');
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2017-08-01 06:55:37 -04:00
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subItems.style.height = `${window.innerHeight + el.offsetHeight}px`;
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subItems.style.position = 'absolute';
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2017-08-01 03:49:03 -04:00
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el.style.position = 'relative';
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2017-08-01 06:55:37 -04:00
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el.style.top = `${window.innerHeight - el.offsetHeight}px`;
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2017-08-01 03:49:03 -04:00
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2017-08-01 06:55:37 -04:00
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spyOn(subItems.classList, 'add');
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2017-08-01 03:49:03 -04:00
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showSubLevelItems(el);
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expect(
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2017-08-01 06:55:37 -04:00
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subItems.classList.add,
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2017-08-01 03:49:03 -04:00
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).toHaveBeenCalledWith('is-above');
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});
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});
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2017-07-19 05:36:08 -04:00
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});
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