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