buildDocs/once.spec.js

import * as tslib_1 from "tslib";
import { expect } from 'chai';
import { Once } from './once';
describe('once', () => {
    it('should invoke the method only once', () => {
        let calls = 0;
        class MyClass {
            fn() {
                calls++;
            }
        }
        tslib_1.__decorate([
            Once()
        ], MyClass.prototype, "fn", null);
        const myClass = new MyClass();
        const myClass2 = new MyClass();
        myClass.fn();
        myClass.fn();
        myClass.fn();
        expect(calls, 'single class').to.equal(1);
        myClass2.fn();
        myClass2.fn();
        myClass2.fn();
        expect(calls, 'multiple class').to.equal(2);
    });
});