gitlab-org--gitlab-foss/spec/frontend/flash_spec.js

283 lines
7.6 KiB
JavaScript

import createFlash, {
createAction,
hideFlash,
removeFlashClickListener,
FLASH_TYPES,
FLASH_CLOSED_EVENT,
} from '~/flash';
describe('Flash', () => {
describe('hideFlash', () => {
let el;
beforeEach(() => {
el = document.createElement('div');
el.className = 'js-testing';
});
it('sets transition style', () => {
hideFlash(el);
expect(el.style.transition).toBe('opacity 0.15s');
});
it('sets opacity style', () => {
hideFlash(el);
expect(el.style.opacity).toBe('0');
});
it('does not set styles when fadeTransition is false', () => {
hideFlash(el, false);
expect(el.style.opacity).toBe('');
expect(el.style.transition).toBeFalsy();
});
it('removes element after transitionend', () => {
document.body.appendChild(el);
hideFlash(el);
el.dispatchEvent(new Event('transitionend'));
expect(document.querySelector('.js-testing')).toBeNull();
});
it('calls event listener callback once', () => {
jest.spyOn(el, 'remove');
document.body.appendChild(el);
hideFlash(el);
el.dispatchEvent(new Event('transitionend'));
el.dispatchEvent(new Event('transitionend'));
expect(el.remove.mock.calls.length).toBe(1);
});
it(`dispatches ${FLASH_CLOSED_EVENT} event after transitionend event`, () => {
jest.spyOn(el, 'dispatchEvent');
hideFlash(el);
el.dispatchEvent(new Event('transitionend'));
expect(el.dispatchEvent).toHaveBeenCalledWith(new Event(FLASH_CLOSED_EVENT));
});
});
describe('createAction', () => {
let el;
beforeEach(() => {
el = document.createElement('div');
});
it('creates link with href', () => {
el.innerHTML = createAction({
href: 'testing',
title: 'test',
});
expect(el.querySelector('.flash-action').href).toContain('testing');
});
it('uses hash as href when no href is present', () => {
el.innerHTML = createAction({
title: 'test',
});
expect(el.querySelector('.flash-action').href).toContain('#');
});
it('adds role when no href is present', () => {
el.innerHTML = createAction({
title: 'test',
});
expect(el.querySelector('.flash-action').getAttribute('role')).toBe('button');
});
it('escapes the title text', () => {
el.innerHTML = createAction({
title: '<script>alert("a")</script>',
});
expect(el.querySelector('.flash-action').textContent.trim()).toBe(
'<script>alert("a")</script>',
);
});
});
describe('createFlash', () => {
const message = 'test';
const fadeTransition = false;
const addBodyClass = true;
const defaultParams = {
message,
actionConfig: null,
fadeTransition,
addBodyClass,
};
describe('no flash-container', () => {
it('does not add to the DOM', () => {
const flashEl = createFlash({ message });
expect(flashEl).toBeNull();
expect(document.querySelector('.flash-alert')).toBeNull();
});
});
describe('with flash-container', () => {
beforeEach(() => {
setFixtures(
'<div class="content-wrapper js-content-wrapper"><div class="flash-container"></div></div>',
);
});
afterEach(() => {
document.querySelector('.js-content-wrapper').remove();
});
it('adds flash alert element into the document by default', () => {
createFlash({ ...defaultParams });
expect(document.querySelector('.flash-container .flash-alert')).not.toBeNull();
expect(document.body.className).toContain('flash-shown');
});
it('adds flash of a warning type', () => {
createFlash({ ...defaultParams, type: FLASH_TYPES.WARNING });
expect(document.querySelector('.flash-container .flash-warning')).not.toBeNull();
expect(document.body.className).toContain('flash-shown');
});
it('escapes text', () => {
createFlash({ ...defaultParams, message: '<script>alert("a");</script>' });
expect(document.querySelector('.flash-text').textContent.trim()).toBe(
'<script>alert("a");</script>',
);
});
it('adds flash into specified parent', () => {
createFlash({ ...defaultParams, parent: document.querySelector('.content-wrapper') });
expect(document.querySelector('.content-wrapper .flash-alert')).not.toBeNull();
expect(document.querySelector('.content-wrapper').innerText.trim()).toEqual(message);
});
it('adds container classes when inside content-wrapper', () => {
createFlash(defaultParams);
expect(document.querySelector('.flash-text').className).toBe('flash-text');
expect(document.querySelector('.content-wrapper').innerText.trim()).toEqual(message);
});
it('does not add container when outside of content-wrapper', () => {
document.querySelector('.content-wrapper').className = 'js-content-wrapper';
createFlash(defaultParams);
expect(document.querySelector('.flash-text').className.trim()).toContain('flash-text');
});
it('removes element after clicking', () => {
createFlash({ ...defaultParams });
document.querySelector('.flash-alert .js-close-icon').click();
expect(document.querySelector('.flash-alert')).toBeNull();
expect(document.body.className).not.toContain('flash-shown');
});
describe('with actionConfig', () => {
it('adds action link', () => {
createFlash({
...defaultParams,
actionConfig: {
title: 'test',
},
});
expect(document.querySelector('.flash-action')).not.toBeNull();
});
it('calls actionConfig clickHandler on click', () => {
const actionConfig = {
title: 'test',
clickHandler: jest.fn(),
};
createFlash({ ...defaultParams, actionConfig });
document.querySelector('.flash-action').click();
expect(actionConfig.clickHandler).toHaveBeenCalled();
});
});
describe('additional behavior', () => {
describe('close', () => {
it('clicks the close icon', () => {
const flash = createFlash({ ...defaultParams });
const close = document.querySelector('.flash-alert .js-close-icon');
jest.spyOn(close, 'click');
flash.close();
expect(close.click.mock.calls.length).toBe(1);
});
});
});
});
});
describe('removeFlashClickListener', () => {
let el;
describe('with close icon', () => {
beforeEach(() => {
el = document.createElement('div');
el.innerHTML = `
<div class="flash-container">
<div class="flash">
<div class="close-icon js-close-icon"></div>
</div>
</div>
`;
});
it('removes global flash on click', (done) => {
removeFlashClickListener(el, false);
el.querySelector('.js-close-icon').click();
setImmediate(() => {
expect(document.querySelector('.flash')).toBeNull();
done();
});
});
});
describe('without close icon', () => {
beforeEach(() => {
el = document.createElement('div');
el.innerHTML = `
<div class="flash-container">
<div class="flash">
</div>
</div>
`;
});
it('does not throw', () => {
expect(() => removeFlashClickListener(el, false)).not.toThrow();
});
});
});
});