81 lines
2.7 KiB
TypeScript
81 lines
2.7 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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 {Injector, StaticProvider} from '@angular/core';
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import {AsyncTestCompleter, describe, expect, inject, it} from '@angular/core/testing/src/testing_internal';
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import {Options, PerfLogEvent, PerfLogFeatures, UserMetric, WebDriverAdapter} from '../../index';
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(function() {
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let wdAdapter: MockDriverAdapter;
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function createMetric(
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perfLogs: PerfLogEvent[], perfLogFeatures: PerfLogFeatures,
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{userMetrics}: {userMetrics?: {[key: string]: string}} = {}): UserMetric {
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if (!perfLogFeatures) {
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perfLogFeatures =
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new PerfLogFeatures({render: true, gc: true, frameCapture: true, userTiming: true});
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}
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if (!userMetrics) {
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userMetrics = {};
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}
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wdAdapter = new MockDriverAdapter();
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const providers: StaticProvider[] = [
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Options.DEFAULT_PROVIDERS, UserMetric.PROVIDERS,
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{provide: Options.USER_METRICS, useValue: userMetrics},
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{provide: WebDriverAdapter, useValue: wdAdapter}
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];
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return Injector.create(providers).get(UserMetric);
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}
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describe('user metric', () => {
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it('should describe itself based on userMetrics', () => {
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expect(createMetric([[]], new PerfLogFeatures(), {
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userMetrics: {'loadTime': 'time to load'}
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}).describe())
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.toEqual({'loadTime': 'time to load'});
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});
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describe('endMeasure', () => {
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it('should stop measuring when all properties have numeric values',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const metric = createMetric(
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[[]], new PerfLogFeatures(),
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{userMetrics: {'loadTime': 'time to load', 'content': 'time to see content'}});
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metric.beginMeasure().then(() => metric.endMeasure(true)).then(values => {
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expect(values['loadTime']).toBe(25);
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expect(values['content']).toBe(250);
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async.done();
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});
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wdAdapter.data['loadTime'] = 25;
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// Wait before setting 2nd property.
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setTimeout(() => {
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wdAdapter.data['content'] = 250;
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}, 50);
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}), 600);
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});
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});
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})();
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class MockDriverAdapter extends WebDriverAdapter {
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data: any = {};
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executeScript(script: string): any {
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// Just handles `return window.propName` ignores `delete window.propName`.
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if (script.indexOf('return window.') == 0) {
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const metricName = script.substring('return window.'.length);
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return Promise.resolve(this.data[metricName]);
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} else if (script.indexOf('delete window.') == 0) {
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return Promise.resolve(null);
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} else {
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return Promise.reject(`Unexpected syntax: ${script}`);
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}
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}
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}
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