30 lines
880 B
TypeScript
30 lines
880 B
TypeScript
import {describe, it, fakeAsync, expect, tick, clearPendingTimers} from '@angular/core/testing';
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// #docregion basic
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describe('this test', () => {
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it('looks async but is synchronous', <any>fakeAsync((): void => {
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var flag = false;
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setTimeout(() => { flag = true; }, 100);
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expect(flag).toBe(false);
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tick(50);
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expect(flag).toBe(false);
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tick(50);
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expect(flag).toBe(true);
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}));
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});
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// #enddocregion
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// #docregion pending
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describe('this test', () => {
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it('aborts a timer', <any>fakeAsync((): void => {
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// This timer is scheduled but doesn't need to complete for the
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// test to pass (maybe it's a timeout for some operation).
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// Leaving it will cause the test to fail...
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setTimeout(() => {}, 100);
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// Unless we clean it up first.
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clearPendingTimers();
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}));
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});
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// #enddocregion
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