import * as utils from '@/js/utils';

test('debounce', () => {
    const stub = jest.fn();
    const debounced = utils.debounce(stub, 2000);

    debounced();
    debounced();
    expect(stub).not.toBeCalled();
    jest.runAllTimers();
    expect(stub).toBeCalledTimes(1);
});

test('queryString', () => {
    history.pushState({}, 'page', `${location.href}?key=value`);
    expect(utils.queryString('key')).toBe('value');
    expect(utils.queryString('a')).toBeUndefined();
    expect(utils.queryString('a', 'b')).toBe('b');
});

test('queryStringify', () => {
    expect(utils.queryStringify({ a: 'b', c: 'd' })).toBe('a=b&c=d');
});