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

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JavaScript
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import flash, {
createFlashEl,
createAction,
hideFlash,
removeFlashClickListener,
} from '~/flash';
describe('Flash', () => {
describe('createFlashEl', () => {
let el;
beforeEach(() => {
el = document.createElement('div');
});
afterEach(() => {
el.innerHTML = '';
});
it('creates flash element with type', () => {
el.innerHTML = createFlashEl('testing', 'alert');
expect(
el.querySelector('.flash-alert'),
).not.toBeNull();
});
it('escapes text', () => {
el.innerHTML = createFlashEl('<script>alert("a");</script>', 'alert');
expect(
el.querySelector('.flash-text').textContent.trim(),
).toBe('<script>alert("a");</script>');
});
it('adds container classes when inside content wrapper', () => {
el.innerHTML = createFlashEl('testing', 'alert', true);
expect(
el.querySelector('.flash-text').classList.contains('container-fluid'),
).toBeTruthy();
expect(
el.querySelector('.flash-text').classList.contains('container-limited'),
).toBeTruthy();
});
});
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 0.3s');
});
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,
).toBe('');
});
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', () => {
spyOn(el, 'remove').and.callThrough();
document.body.appendChild(el);
hideFlash(el);
el.dispatchEvent(new Event('transitionend'));
el.dispatchEvent(new Event('transitionend'));
expect(
el.remove.calls.count(),
).toBe(1);
});
});
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', () => {
describe('no flash-container', () => {
it('does not add to the DOM', () => {
const flashEl = flash('testing');
expect(
flashEl,
).toBeNull();
expect(
document.querySelector('.flash-alert'),
).toBeNull();
});
});
describe('with flash-container', () => {
beforeEach(() => {
document.body.innerHTML += `
<div class="content-wrapper js-content-wrapper">
<div class="flash-container"></div>
</div>
`;
});
afterEach(() => {
document.querySelector('.js-content-wrapper').remove();
});
it('adds flash element into container', () => {
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flash('test', 'alert', document, null, false, true);
expect(
document.querySelector('.flash-alert'),
).not.toBeNull();
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expect(
document.body.className,
).toContain('flash-shown');
});
it('adds flash into specified parent', () => {
flash(
'test',
'alert',
document.querySelector('.content-wrapper'),
);
expect(
document.querySelector('.content-wrapper .flash-alert'),
).not.toBeNull();
});
it('adds container classes when inside content-wrapper', () => {
flash('test');
expect(
document.querySelector('.flash-text').className,
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).toBe('flash-text container-fluid container-limited');
});
it('does not add container when outside of content-wrapper', () => {
document.querySelector('.content-wrapper').className = 'js-content-wrapper';
flash('test');
expect(
document.querySelector('.flash-text').className.trim(),
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).toBe('flash-text');
});
it('removes element after clicking', () => {
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flash('test', 'alert', document, null, false, true);
document.querySelector('.flash-alert').click();
expect(
document.querySelector('.flash-alert'),
).toBeNull();
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expect(
document.body.className,
).not.toContain('flash-shown');
});
describe('with actionConfig', () => {
it('adds action link', () => {
flash(
'test',
'alert',
document,
{
title: 'test',
},
);
expect(
document.querySelector('.flash-action'),
).not.toBeNull();
});
it('calls actionConfig clickHandler on click', () => {
const actionConfig = {
title: 'test',
clickHandler: jasmine.createSpy('actionConfig'),
};
flash(
'test',
'alert',
document,
actionConfig,
);
document.querySelector('.flash-action').click();
expect(
actionConfig.clickHandler,
).toHaveBeenCalled();
});
});
});
});
describe('removeFlashClickListener', () => {
beforeEach(() => {
document.body.innerHTML += '<div class="flash-container"><div class="flash"></div></div>';
});
it('removes global flash on click', (done) => {
const flashEl = document.querySelector('.flash');
removeFlashClickListener(flashEl, false);
flashEl.click();
setTimeout(() => {
expect(document.querySelector('.flash')).toBeNull();
done();
});
});
});
});