104 lines
3.2 KiB
TypeScript
104 lines
3.2 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 {$, browser} from 'protractor';
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import {promise} from 'selenium-webdriver';
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import {verifyNoBrowserErrors} from '../../../../dev-infra/benchmark/driver-utilities';
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describe('async', () => {
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const URL = '/';
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beforeEach(() => browser.get(URL));
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it('should work with synchronous actions', () => {
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const increment = $('#increment');
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increment.$('.action').click();
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expect(increment.$('.val').getText()).toEqual('1');
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});
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it('should wait for asynchronous actions', () => {
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const timeout = $('#delayedIncrement');
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// At this point, the async action is still pending, so the count should
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// still be 0.
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expect(timeout.$('.val').getText()).toEqual('0');
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timeout.$('.action').click();
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// whenStable should only be called when the async action finished,
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// so the count should be 1 at this point.
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expect(timeout.$('.val').getText()).toEqual('1');
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});
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it('should notice when asynchronous actions are cancelled', () => {
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const timeout = $('#delayedIncrement');
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// At this point, the async action is still pending, so the count should
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// still be 0.
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expect(timeout.$('.val').getText()).toEqual('0');
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browser.ignoreSynchronization = true;
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timeout.$('.action').click();
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timeout.$('.cancel').click();
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browser.ignoreSynchronization = false;
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// whenStable should be called since the async action is cancelled. The
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// count should still be 0;
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expect(timeout.$('.val').getText()).toEqual('0');
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});
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it('should wait for a series of asynchronous actions', () => {
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const timeout = $('#multiDelayedIncrements');
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// At this point, the async action is still pending, so the count should
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// still be 0.
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expect(timeout.$('.val').getText()).toEqual('0');
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timeout.$('.action').click();
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// whenStable should only be called when all the async actions
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// finished, so the count should be 10 at this point.
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expect(timeout.$('.val').getText()).toEqual('10');
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});
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it('should wait via frameworkStabilizer', () => {
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const whenAllStable = (): promise.Promise<any> => {
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return browser.executeAsyncScript('window.frameworkStabilizers[0](arguments[0]);');
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};
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// This disables protractor's wait mechanism
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browser.ignoreSynchronization = true;
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const timeout = $('#multiDelayedIncrements');
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// At this point, the async action is still pending, so the count should
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// still be 0.
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expect(timeout.$('.val').getText()).toEqual('0');
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timeout.$('.action').click();
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whenAllStable().then((didWork: any) => {
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// whenAllStable should only be called when all the async actions
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// finished, so the count should be 10 at this point.
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expect(timeout.$('.val').getText()).toEqual('10');
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expect(didWork).toBeTruthy(); // Work was done.
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});
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whenAllStable().then((didWork: any) => {
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// whenAllStable should be called immediately since nothing is pending.
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expect(didWork).toBeFalsy(); // No work was done.
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browser.ignoreSynchronization = false;
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});
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});
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afterEach(verifyNoBrowserErrors);
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});
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