buildDocs/after.spec.js

import * as tslib_1 from "tslib";
import { expect } from 'chai';
import { After } from './after';
describe('after', () => {
    it('should invoke the method after 3 times', () => {
        let calls = 0;
        class MyClass {
            constructor() {
                this.props = [];
            }
            set prop(val) {
                this.props.push(val);
            }
            fn() {
                calls++;
            }
        }
        tslib_1.__decorate([
            After(2)
        ], MyClass.prototype, "prop", null);
        tslib_1.__decorate([
            After(3)
        ], MyClass.prototype, "fn", null);
        const myClass = new MyClass();
        const myClass2 = new MyClass();
        myClass.fn();
        myClass.fn();
        myClass.fn();
        myClass.fn();
        expect(calls, 'single class').to.equal(2);
        myClass2.fn();
        myClass2.fn();
        myClass2.fn();
        myClass2.fn();
        expect(calls, 'multiple class').to.equal(4);
        myClass.prop = 50;
        myClass.prop = 100;
        expect(myClass.props.length, 'setter length').to.equal(1);
        expect(myClass.props[0], 'setter value').to.equal(100);
    });
});