77 lines
2.9 KiB
TypeScript
77 lines
2.9 KiB
TypeScript
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/**
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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 {supportPatchXHROnProperty} from '../test-util';
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declare const global: any;
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describe('TaskTrackingZone', function() {
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let _TaskTrackingZoneSpec: typeof TaskTrackingZoneSpec = (Zone as any)['TaskTrackingZoneSpec'];
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let taskTrackingZoneSpec: TaskTrackingZoneSpec|null = null;
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let taskTrackingZone: Zone;
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beforeEach(() => {
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taskTrackingZoneSpec = new _TaskTrackingZoneSpec();
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taskTrackingZone = Zone.current.fork(taskTrackingZoneSpec);
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});
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it('should track tasks', (done: Function) => {
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taskTrackingZone.run(() => {
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taskTrackingZone.scheduleMicroTask('test1', () => {});
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expect(taskTrackingZoneSpec !.microTasks.length).toBe(1);
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expect(taskTrackingZoneSpec !.microTasks[0].source).toBe('test1');
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setTimeout(() => {});
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expect(taskTrackingZoneSpec !.macroTasks.length).toBe(1);
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expect(taskTrackingZoneSpec !.macroTasks[0].source).toBe('setTimeout');
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taskTrackingZone.cancelTask(taskTrackingZoneSpec !.macroTasks[0]);
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expect(taskTrackingZoneSpec !.macroTasks.length).toBe(0);
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setTimeout(() => {
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// assert on execution it is null
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expect(taskTrackingZoneSpec !.macroTasks.length).toBe(0);
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expect(taskTrackingZoneSpec !.microTasks.length).toBe(0);
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// If a browser does not have XMLHttpRequest, then end test here.
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if (typeof global['XMLHttpRequest'] == 'undefined') return done();
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const xhr = new XMLHttpRequest();
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xhr.open('get', '/', true);
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xhr.onreadystatechange = () => {
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if (xhr.readyState == 4) {
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// clear current event tasks using setTimeout
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setTimeout(() => {
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expect(taskTrackingZoneSpec !.macroTasks.length).toBe(0);
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expect(taskTrackingZoneSpec !.microTasks.length).toBe(0);
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if (supportPatchXHROnProperty()) {
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expect(taskTrackingZoneSpec !.eventTasks.length).not.toBe(0);
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}
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taskTrackingZoneSpec !.clearEvents();
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expect(taskTrackingZoneSpec !.eventTasks.length).toBe(0);
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done();
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});
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}
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};
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xhr.send();
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expect(taskTrackingZoneSpec !.macroTasks.length).toBe(1);
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expect(taskTrackingZoneSpec !.macroTasks[0].source).toBe('XMLHttpRequest.send');
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if (supportPatchXHROnProperty()) {
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expect(taskTrackingZoneSpec !.eventTasks[0].source)
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.toMatch(/\.addEventListener:readystatechange/);
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}
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});
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});
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});
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it('should capture task creation stacktrace', (done) => {
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taskTrackingZone.run(() => {
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setTimeout(() => { done(); });
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expect((taskTrackingZoneSpec !.macroTasks[0] as any)['creationLocation']).toBeTruthy();
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});
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});
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});
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