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@jonrimmer
Created May 3, 2018 09:32
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Clearing all pending tasks from the fake async zone
import { fakeAsync, tick } from '@angular/core/testing';
import { discardFakeAsyncTimers ) from './helpers';
const myComponent = {};
describe('My Component', () => {
before(fakeAsync(() => {
myComponent.getAsyncData();
// Run async stuff.
tick();
// Uh oh, some code we don't control keeps adding async tasks!
discardFakeAsyncTimers();
// Gone now.
}));
it('should work', () => {
expect(myComponent.asyncResult).toBe('correct');
});
});
import 'zone.js';
export function discardFakeAsyncTimers() {
const fakeZoneSpec = Zone.current.get('FakeAsyncTestZoneSpec');
fakeZoneSpec.pendingPeriodicTimers.length = 0;
fakeZoneSpec.pendingTimers.length = 0;
}
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