debian-mirror-gitlab/spec/javascripts/lib/utils/browser_spec.js

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2020-04-08 14:13:33 +05:30
/**
* This file should only contain browser specific specs.
* If you need to add or update a spec, please see spec/frontend/lib/utils/*.js
* https://gitlab.com/gitlab-org/gitlab/issues/194242#note_292137135
* https://gitlab.com/groups/gitlab-org/-/epics/895#what-if-theres-a-karma-spec-which-is-simply-unmovable-to-jest-ie-it-is-dependent-on-a-running-browser-environment
*/
import MockAdapter from 'axios-mock-adapter';
import { GlBreakpointInstance as breakpointInstance } from '@gitlab/ui/dist/utils';
import axios from '~/lib/utils/axios_utils';
import * as commonUtils from '~/lib/utils/common_utils';
import { faviconDataUrl, overlayDataUrl, faviconWithOverlayDataUrl } from './mock_data';
const PIXEL_TOLERANCE = 0.2;
/**
* Loads a data URL as the src of an
* {@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/Image|Image}
* and resolves to that Image once loaded.
*
* @param url
* @returns {Promise}
*/
const urlToImage = url =>
new Promise(resolve => {
const img = new Image();
img.onload = function() {
resolve(img);
};
img.src = url;
});
describe('common_utils browser specific specs', () => {
describe('contentTop', () => {
it('does not add height for fileTitle or compareVersionsHeader if screen is too small', () => {
spyOn(breakpointInstance, 'isDesktop').and.returnValue(false);
setFixtures(`
<div class="diff-file file-title-flex-parent">
blah blah blah
</div>
<div class="mr-version-controls">
more blah blah blah
</div>
`);
expect(commonUtils.contentTop()).toBe(0);
});
it('adds height for fileTitle and compareVersionsHeader screen is large enough', () => {
spyOn(breakpointInstance, 'isDesktop').and.returnValue(true);
setFixtures(`
<div class="diff-file file-title-flex-parent">
blah blah blah
</div>
<div class="mr-version-controls">
more blah blah blah
</div>
`);
expect(commonUtils.contentTop()).toBe(18);
});
});
describe('createOverlayIcon', () => {
it('should return the favicon with the overlay', done => {
commonUtils
.createOverlayIcon(faviconDataUrl, overlayDataUrl)
.then(url => Promise.all([urlToImage(url), urlToImage(faviconWithOverlayDataUrl)]))
.then(([actual, expected]) => {
expect(actual).toImageDiffEqual(expected, PIXEL_TOLERANCE);
done();
})
.catch(done.fail);
});
});
describe('setFaviconOverlay', () => {
beforeEach(() => {
const favicon = document.createElement('link');
favicon.setAttribute('id', 'favicon');
favicon.setAttribute('data-original-href', faviconDataUrl);
document.body.appendChild(favicon);
});
afterEach(() => {
document.body.removeChild(document.getElementById('favicon'));
});
it('should set page favicon to provided favicon overlay', done => {
commonUtils
.setFaviconOverlay(overlayDataUrl)
.then(() => document.getElementById('favicon').getAttribute('href'))
.then(url => Promise.all([urlToImage(url), urlToImage(faviconWithOverlayDataUrl)]))
.then(([actual, expected]) => {
expect(actual).toImageDiffEqual(expected, PIXEL_TOLERANCE);
done();
})
.catch(done.fail);
});
});
describe('setCiStatusFavicon', () => {
const BUILD_URL = `${gl.TEST_HOST}/frontend-fixtures/builds-project/-/jobs/1/status.json`;
let mock;
beforeEach(() => {
const favicon = document.createElement('link');
favicon.setAttribute('id', 'favicon');
favicon.setAttribute('href', 'null');
favicon.setAttribute('data-original-href', faviconDataUrl);
document.body.appendChild(favicon);
mock = new MockAdapter(axios);
});
afterEach(() => {
mock.restore();
document.body.removeChild(document.getElementById('favicon'));
});
it('should reset favicon in case of error', done => {
mock.onGet(BUILD_URL).replyOnce(500);
commonUtils.setCiStatusFavicon(BUILD_URL).catch(() => {
const favicon = document.getElementById('favicon');
expect(favicon.getAttribute('href')).toEqual(faviconDataUrl);
done();
});
});
it('should set page favicon to CI status favicon based on provided status', done => {
mock.onGet(BUILD_URL).reply(200, {
favicon: overlayDataUrl,
});
commonUtils
.setCiStatusFavicon(BUILD_URL)
.then(() => document.getElementById('favicon').getAttribute('href'))
.then(url => Promise.all([urlToImage(url), urlToImage(faviconWithOverlayDataUrl)]))
.then(([actual, expected]) => {
expect(actual).toImageDiffEqual(expected, PIXEL_TOLERANCE);
done();
})
.catch(done.fail);
});
});
describe('isInViewport', () => {
let el;
beforeEach(() => {
el = document.createElement('div');
});
afterEach(() => {
document.body.removeChild(el);
});
it('returns true when provided `el` is in viewport', () => {
el.setAttribute('style', `position: absolute; right: ${window.innerWidth + 0.2};`);
document.body.appendChild(el);
expect(commonUtils.isInViewport(el)).toBe(true);
});
it('returns false when provided `el` is not in viewport', () => {
el.setAttribute('style', 'position: absolute; top: -1000px; left: -1000px;');
document.body.appendChild(el);
expect(commonUtils.isInViewport(el)).toBe(false);
});
});
});