33 lines
537 B
TypeScript
33 lines
537 B
TypeScript
|
import { throttle } from './throttle';
|
||
|
|
|
||
|
|
import * as sinon from 'sinon';
|
||
|
|
|
||
|
|
let clock: sinon.SinonFakeTimers;
|
||
|
|
|
||
|
|
beforeEach(() => {
|
||
|
|
clock = sinon.useFakeTimers();
|
||
|
|
});
|
||
|
|
|
||
|
|
afterEach(() => {
|
||
|
|
clock.restore();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('It should throttle calls', function () {
|
||
|
|
const func = jest.fn();
|
||
|
|
|
||
|
|
const throttledFunc = throttle(func, 1000);
|
||
|
|
|
||
|
|
throttledFunc();
|
||
|
|
|
||
|
|
expect(func).toHaveBeenCalledTimes(1);
|
||
|
|
|
||
|
|
throttledFunc();
|
||
|
|
|
||
|
|
expect(func).toHaveBeenCalledTimes(1);
|
||
|
|
|
||
|
|
clock.tick(1000);
|
||
|
|
throttledFunc();
|
||
|
|
expect(func).toHaveBeenCalledTimes(2);
|
||
|
|
});
|
||
|
|
|