102 lines
3.1 KiB
TypeScript
102 lines
3.1 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {$, by, element} from 'protractor';
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import {openBrowser, verifyNoBrowserErrors} from '../../../e2e_util/e2e_util';
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import {runBenchmark} from '../../../e2e_util/perf_util';
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/** List of possible scenarios that should be tested. */
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const SCENARIOS = [
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{optionIndex: 0, id: 'no_styling_involved'}, {optionIndex: 1, id: 'static_class'},
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{optionIndex: 2, id: 'static_class_with_interpolation'}, {optionIndex: 3, id: 'class_binding'},
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{optionIndex: 4, id: 'static_class_and_class_binding'},
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{optionIndex: 5, id: 'static_class_and_ngclass_binding'},
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{optionIndex: 6, id: 'static_class_and_ngstyle_binding_and_style_binding'}
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];
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describe('styling benchmark spec', () => {
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afterEach(verifyNoBrowserErrors);
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it('should render and interact to update and detect changes', () => {
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openBrowser({url: '/', ignoreBrowserSynchronization: true});
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create();
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const items = element.all(by.css('styling-bindings button'));
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expect(items.count()).toBe(2000);
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expect(items.first().getAttribute('title')).toBe('bar');
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update();
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expect(items.first().getAttribute('title')).toBe('baz');
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});
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it('should render and run noop change detection', () => {
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openBrowser({url: '/', ignoreBrowserSynchronization: true});
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create();
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const items = element.all(by.css('styling-bindings button'));
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expect(items.count()).toBe(2000);
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expect(items.first().getAttribute('title')).toBe('bar');
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detectChanges();
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expect(items.first().getAttribute('title')).toBe('bar');
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});
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// Create benchmarks for each possible test scenario.
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SCENARIOS.forEach(({optionIndex, id}) => {
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describe(id, () => {
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it('should run update benchmark', done => {
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runStylingBenchmark(`styling.${id}.update`, {
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work: () => update(),
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prepare: () => {
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selectScenario(optionIndex);
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create();
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},
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}).then(done, done.fail);
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});
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it('should run detect changes benchmark', done => {
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runStylingBenchmark(`styling.${id}.noop_cd`, {
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work: () => detectChanges(),
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prepare: () => {
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selectScenario(optionIndex);
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create();
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},
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}).then(done, done.fail);
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});
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});
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});
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});
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function selectScenario(optionIndex: number) {
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// Switch to the current scenario by clicking the corresponding option.
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element.all(by.tagName('option')).get(optionIndex).click();
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}
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function create() {
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$('#create').click();
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}
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function update() {
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$('#update').click();
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}
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function detectChanges() {
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$('#detect_changes').click();
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}
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/**
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* Runs the styling benchmark with the given id and worker. The worker describes
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* the actions that should run for preparation and measurement.
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*/
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function runStylingBenchmark(id: string, worker: {prepare: () => void, work: () => void}) {
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return runBenchmark({
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id,
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url: '/',
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params: [],
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ignoreBrowserSynchronization: true,
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prepare: worker.prepare,
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work: worker.work
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});
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}
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