bencripps / react-redux-grid

import expect from 'expect';

import {

    throttle, debounce

} from './../../src/util/throttle';

describe('throttle utility function', () => {

    it('Should call a function', () => {

        const spy = sinon.spy();

        const func = throttle(spy, null);

        func();

        expect(spy.called)

            .toEqual(true);

    });

    it('Should call a function only once', () => {

        const spy = sinon.spy();

        const func = throttle(spy, null);

        for (let i = 0; i < 10; i++) {

            func();

        }

        expect(spy.callCount)

            .toEqual(1);

    });

});

describe('debounce utility function', () => {

    it('Should call a function after timeout', (done) => {

        const spy = sinon.spy();

        const func = debounce(spy, 100);

        func();

        expect(spy.called)

            .toEqual(false);

        setTimeout(() => {

            expect(spy.called)

                .toEqual(true);

            done();

        }, 101);

    });

});