107 lines
3.0 KiB
JavaScript
107 lines
3.0 KiB
JavaScript
import { find, settled } from '@ember/test-helpers';
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import { module, test } from 'qunit';
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import { setupRenderingTest } from 'ember-qunit';
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import hbs from 'htmlbars-inline-precompile';
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import sinon from 'sinon';
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import RSVP from 'rsvp';
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import { formatBytes } from 'nomad-ui/helpers/format-bytes';
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module('Integration | Component | image file', function(hooks) {
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setupRenderingTest(hooks);
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const commonTemplate = hbs`
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{{image-file src=src alt=alt size=size}}
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`;
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const commonProperties = {
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src: 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7',
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alt: 'This is the alt text',
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size: 123456,
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};
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test('component displays the image', async function(assert) {
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this.setProperties(commonProperties);
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await this.render(commonTemplate);
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assert.ok(find('img'), 'Image is in the DOM');
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assert.equal(
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find('img').getAttribute('src'),
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commonProperties.src,
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`src is ${commonProperties.src}`
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);
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});
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test('the image is wrapped in an anchor that links directly to the image', async function(assert) {
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this.setProperties(commonProperties);
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await this.render(commonTemplate);
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assert.ok(find('a'), 'Anchor');
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assert.ok(find('a > img'), 'Image in anchor');
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assert.equal(
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find('a').getAttribute('href'),
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commonProperties.src,
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`href is ${commonProperties.src}`
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);
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assert.equal(find('a').getAttribute('target'), '_blank', 'Anchor opens to a new tab');
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assert.equal(
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find('a').getAttribute('rel'),
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'noopener noreferrer',
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'Anchor rel correctly bars openers and referrers'
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);
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});
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test('component updates image meta when the image loads', async function(assert) {
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const { spy, wrapper, notifier } = notifyingSpy();
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this.setProperties(commonProperties);
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this.set('spy', wrapper);
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this.render(hbs`
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{{image-file src=src alt=alt size=size updateImageMeta=spy}}
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`);
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await notifier;
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assert.ok(spy.calledOnce);
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});
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test('component shows the width, height, and size of the image', async function(assert) {
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this.setProperties(commonProperties);
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await this.render(commonTemplate);
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await settled();
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const statsEl = find('[data-test-file-stats]');
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assert.ok(
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/\d+px \u00d7 \d+px/.test(statsEl.textContent),
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'Width and height are formatted correctly'
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);
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assert.ok(
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statsEl.textContent.trim().endsWith(formatBytes([commonProperties.size]) + ')'),
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'Human-formatted size is included'
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);
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});
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});
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function notifyingSpy() {
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// The notifier must resolve when the spy wrapper is called
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let dispatch;
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const notifier = new RSVP.Promise(resolve => {
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dispatch = resolve;
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});
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const spy = sinon.spy();
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// The spy wrapper must call the spy, passing all arguments through, and it must
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// call dispatch in order to resolve the promise.
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const wrapper = (...args) => {
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spy(...args);
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dispatch();
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};
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// All three pieces are required to wire up a component, pause test execution, and
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// write assertions.
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return { spy, wrapper, notifier };
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}
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