mirror of
https://github.com/Choices-js/Choices.git
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034191c78a
* use matchMedia * use last-of-type * better type check * simplify distanceFromTopWindow * use visibility * update JSDoc
486 lines
13 KiB
JavaScript
486 lines
13 KiB
JavaScript
import { expect } from 'chai';
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import { stub } from 'sinon';
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import Container from './container';
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import { DEFAULT_CLASSNAMES } from '../constants';
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describe('components/container', () => {
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let instance;
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let element;
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beforeEach(() => {
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element = document.createElement('div');
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element.id = 'container';
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document.body.appendChild(element);
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instance = new Container({
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element: document.getElementById('container'),
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classNames: DEFAULT_CLASSNAMES,
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position: 'auto',
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type: 'text',
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});
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});
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afterEach(() => {
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document.body.innerHTML = '';
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element = null;
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instance = null;
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});
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describe('constructor', () => {
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it('assigns choices element to class', () => {
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expect(instance.element).to.eql(element);
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});
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it('assigns classnames to class', () => {
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expect(instance.classNames).to.eql(DEFAULT_CLASSNAMES);
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});
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});
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describe('addEventListeners', () => {
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let addEventListenerStub;
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beforeEach(() => {
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addEventListenerStub = stub(instance.element, 'addEventListener');
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});
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afterEach(() => {
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addEventListenerStub.restore();
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});
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it('adds event listeners', () => {
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instance.addEventListeners();
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expect(addEventListenerStub.callCount).to.equal(2);
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expect(addEventListenerStub.getCall(0).args[0]).to.equal('focus');
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expect(addEventListenerStub.getCall(1).args[0]).to.equal('blur');
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});
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});
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describe('removeEventListeners', () => {
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let removeEventListenerStub;
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beforeEach(() => {
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removeEventListenerStub = stub(instance.element, 'removeEventListener');
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});
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afterEach(() => {
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removeEventListenerStub.restore();
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});
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it('removes event listeners', () => {
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instance.removeEventListeners();
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expect(removeEventListenerStub.callCount).to.equal(2);
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expect(removeEventListenerStub.getCall(0).args[0]).to.equal('focus');
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expect(removeEventListenerStub.getCall(1).args[0]).to.equal('blur');
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});
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});
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describe('onFocus', () => {
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it('sets isFocussed flag to true', () => {
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expect(instance.isFocussed).to.equal(false);
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instance._onFocus();
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expect(instance.isFocussed).to.equal(true);
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});
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});
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describe('onBlur', () => {
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it('sets isFocussed flag to false', () => {
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instance.isFocussed = true;
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instance._onBlur();
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expect(instance.isFocussed).to.equal(false);
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});
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});
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describe('shouldFlip', () => {
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describe('not passing dropdownPos', () => {
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it('returns false', () => {
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expect(instance.shouldFlip()).to.equal(false);
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});
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});
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describe('passing dropdownPos', () => {
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describe('position config option set to "auto"', () => {
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beforeEach(() => {
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instance.position = 'auto';
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});
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});
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describe('position config option set to "top"', () => {
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beforeEach(() => {
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instance.position = 'top';
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});
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it('returns true', () => {
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expect(instance.shouldFlip(100)).to.equal(true);
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});
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});
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describe('position config option set to "bottom"', () => {
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beforeEach(() => {
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instance.position = 'bottom';
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});
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it('returns false', () => {
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expect(instance.shouldFlip(100)).to.equal(false);
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});
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});
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});
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});
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describe('setActiveDescendant', () => {
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it("sets element's aria-activedescendant attribute with passed descendant ID", () => {
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const activeDescendantID = '1234';
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expect(instance.element.getAttribute('aria-activedescendant')).to.equal(
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null,
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);
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instance.setActiveDescendant(activeDescendantID);
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expect(instance.element.getAttribute('aria-activedescendant')).to.equal(
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activeDescendantID,
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);
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});
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});
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describe('removeActiveDescendant', () => {
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it("remove elememnt's aria-activedescendant attribute", () => {
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const activeDescendantID = '1234';
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instance.element.setAttribute(
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'aria-activedescendant',
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activeDescendantID,
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);
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expect(instance.element.getAttribute('aria-activedescendant')).to.equal(
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activeDescendantID,
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);
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instance.removeActiveDescendant();
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expect(instance.element.getAttribute('aria-activedescendant')).to.equal(
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null,
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);
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});
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});
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describe('open', () => {
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beforeEach(() => {
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instance.open();
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});
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it('adds open state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.openState),
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).to.equal(true);
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});
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it('sets aria-expanded attribute to true', () => {
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expect(instance.element.getAttribute('aria-expanded')).to.equal('true');
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});
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it('sets isOpen flag to true', () => {
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expect(instance.isOpen).to.equal(true);
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});
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describe('flipping dropdown', () => {
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let shouldFlipStub;
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beforeEach(() => {
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shouldFlipStub = stub().returns(true);
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instance.shouldFlip = shouldFlipStub;
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instance.open();
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});
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afterEach(() => {
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instance.shouldFlip.reset();
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});
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it('adds adds flipped state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.flippedState),
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).to.equal(true);
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});
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it('sets isFlipped flag to true', () => {
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expect(instance.isFlipped).to.equal(true);
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});
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});
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});
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describe('close', () => {
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beforeEach(() => {
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instance.close();
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});
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it('adds open state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.openState),
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).to.equal(false);
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});
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it('sets aria-expanded attribute to true', () => {
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expect(instance.element.getAttribute('aria-expanded')).to.equal('false');
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});
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it('sets isOpen flag to true', () => {
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expect(instance.isOpen).to.equal(false);
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});
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describe('flipped dropdown', () => {
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beforeEach(() => {
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instance.isFlipped = true;
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instance.close();
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});
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it('removes adds flipped state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.flippedState),
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).to.equal(false);
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});
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it('sets isFlipped flag to false', () => {
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expect(instance.isFlipped).to.equal(false);
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});
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});
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});
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describe('focus', () => {
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let focusStub;
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beforeEach(() => {
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focusStub = stub(instance.element, 'focus');
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});
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afterEach(() => {
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focusStub.restore();
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});
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describe('isFocussed flag being set to false', () => {
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it('focuses element', () => {
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instance.isFocussed = false;
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instance.focus();
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expect(focusStub.called).to.equal(true);
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});
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});
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describe('isFocussed flag being set to true', () => {
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it('does not focus element', () => {
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instance.isFocussed = true;
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instance.focus();
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expect(focusStub.called).to.equal(false);
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});
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});
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});
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describe('addFocusState', () => {
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beforeEach(() => {
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instance.removeLoadingState();
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});
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it('adds focus state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.focusState),
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).to.equal(false);
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instance.addFocusState();
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.focusState),
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).to.equal(true);
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});
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});
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describe('removeFocusState', () => {
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beforeEach(() => {
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instance.addFocusState();
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});
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it('removes focus state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.focusState),
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).to.equal(true);
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instance.removeFocusState();
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.focusState),
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).to.equal(false);
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});
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});
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describe('enable', () => {
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beforeEach(() => {
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instance.disable();
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});
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it('removes disabled state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.disabledState),
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).to.equal(true);
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instance.enable();
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.disabledState),
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).to.equal(false);
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});
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it('removes aria-disabled attribute', () => {
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expect(instance.element.getAttribute('aria-disabled')).to.equal('true');
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instance.enable();
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expect(instance.element.getAttribute('aria-disabled')).to.equal(null);
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});
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it('sets isDisabled flag to true', () => {
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instance.enable();
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expect(instance.isDisabled).to.equal(false);
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});
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describe('select one element', () => {
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beforeEach(() => {
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instance.type = 'select-one';
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instance.enable();
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});
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it('sets tabindex attribute', () => {
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expect(instance.element.getAttribute('tabindex')).to.equal('0');
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});
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});
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});
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describe('disable', () => {
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beforeEach(() => {
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instance.enable();
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});
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it('removes disabled state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.disabledState),
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).to.equal(false);
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instance.disable();
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.disabledState),
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).to.equal(true);
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});
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it('removes aria-disabled attribute', () => {
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expect(instance.element.getAttribute('aria-disabled')).to.equal(null);
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instance.disable();
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expect(instance.element.getAttribute('aria-disabled')).to.equal('true');
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});
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it('sets isDisabled flag to true', () => {
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instance.disable();
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expect(instance.isDisabled).to.equal(true);
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});
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describe('select one element', () => {
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beforeEach(() => {
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instance.type = 'select-one';
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instance.disable();
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});
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it('sets tabindex attribute', () => {
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expect(instance.element.getAttribute('tabindex')).to.equal('-1');
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});
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});
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});
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describe('wrap', () => {
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let elementToWrap;
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beforeEach(() => {
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elementToWrap = document.createElement('div');
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elementToWrap.id = 'wrap-test';
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document.body.appendChild(elementToWrap);
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});
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afterEach(() => {
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document.getElementById('wrap-test').remove();
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});
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it('wraps passed element inside element', () => {
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expect(instance.element.querySelector('div#wrap-test')).to.equal(null);
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instance.wrap(document.querySelector('div#wrap-test'));
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expect(instance.element.querySelector('div#wrap-test')).to.equal(
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elementToWrap,
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);
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});
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});
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describe('unwrap', () => {
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let elementToUnwrap;
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beforeEach(() => {
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elementToUnwrap = document.createElement('div');
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elementToUnwrap.id = 'unwrap-test';
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document.body.appendChild(elementToUnwrap);
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instance.wrap(document.getElementById('unwrap-test'));
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});
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afterEach(() => {
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document.body.removeChild(document.getElementById('unwrap-test'));
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});
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it('moves wrapped element outside of element', () => {
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expect(
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instance.element.querySelector('div#unwrap-test'),
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).to.be.instanceof(HTMLElement);
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instance.unwrap(elementToUnwrap);
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expect(instance.element.querySelector('div#unwrap-test')).to.equal(null);
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expect(document.querySelector('div#unwrap-test')).to.be.instanceof(
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HTMLElement,
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);
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});
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it('removes element from DOM', () => {
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expect(document.getElementById('container')).to.not.equal(null);
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instance.unwrap(elementToUnwrap);
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expect(document.getElementById('container')).to.equal(null);
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});
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});
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describe('addLoadingState', () => {
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beforeEach(() => {
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instance.removeLoadingState();
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});
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it('adds loading state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.loadingState),
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).to.equal(false);
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instance.addLoadingState();
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.loadingState),
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).to.equal(true);
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});
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it('sets aria-busy attribute to true', () => {
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expect(instance.element.getAttribute('aria-busy')).to.equal(null);
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instance.addLoadingState();
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expect(instance.element.getAttribute('aria-busy')).to.equal('true');
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});
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it('sets isLoading flag to false', () => {
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expect(instance.isLoading).to.equal(false);
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instance.addLoadingState();
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expect(instance.isLoading).to.equal(true);
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});
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});
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describe('removeLoadingState', () => {
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beforeEach(() => {
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instance.addLoadingState();
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});
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it('removes loading state class', () => {
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.loadingState),
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).to.equal(true);
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instance.removeLoadingState();
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expect(
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instance.element.classList.contains(DEFAULT_CLASSNAMES.loadingState),
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).to.equal(false);
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});
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it('removes aria-busy attribute', () => {
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expect(instance.element.getAttribute('aria-busy')).to.equal('true');
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instance.removeLoadingState();
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expect(instance.element.getAttribute('aria-busy')).to.equal(null);
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});
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it('sets isLoading flag to true', () => {
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expect(instance.isLoading).to.equal(true);
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instance.removeLoadingState();
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expect(instance.isLoading).to.equal(false);
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});
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});
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});
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