buildDocs/debounce.spec.js

import * as tslib_1 from "tslib";
import { expect } from 'chai';
import { Debounce } from './debounce';
describe('debounce', () => {
    it('should debounce the method', done => {
        let calls = 0;
        class MyClass {
            fn() {
                calls++;
            }
        }
        tslib_1.__decorate([
            Debounce(10)
        ], MyClass.prototype, "fn", null);
        const myClass = new MyClass();
        myClass.fn();
        myClass.fn();
        myClass.fn();
        myClass.fn();
        myClass.fn();
        setTimeout(() => {
            expect(calls).to.equal(1);
            done();
        }, 11);
    });
    it('should debounce the property setter', done => {
        class MyClass {
            constructor() {
                this._value = 100;
            }
            set value(value) {
                this._value = value;
            }
            get value() {
                return this._value;
            }
        }
        tslib_1.__decorate([
            Debounce(10)
        ], MyClass.prototype, "value", null);
        const myClass = new MyClass();
        myClass.value = 5;
        myClass.value = 15;
        expect(myClass.value).to.equal(100);
        setTimeout(() => {
            expect(myClass.value).to.equal(15);
            done();
        }, 11);
    });
    it('should contain the flush and cancel methods', () => {
        class MyClass {
            fn() { }
        }
        tslib_1.__decorate([
            Debounce(10)
        ], MyClass.prototype, "fn", null);
        const myClass = new MyClass();
        expect(myClass.fn.cancel).to.be.a('function');
        expect(myClass.fn.flush).to.be.a('function');
    });
});