w3nl / array-helpers

import { Arr } from '../src/helpers';

const a = new Arr();

const expectedResults = {

    test1: ['John'],

    test2: ['John', 'Peter'],

    test3: ['John', 'Peter'],

};

describe('Push if not exists', () => {

    describe('Test 1', () => {

        it('Should be return 1 item in the array.', () => {

            a.pushIfNotExists('John');

            expect(a).toEqual(expectedResults.test1);

        });

    });

    describe('Test 2', () => {

        it('Should be return 2 item in the array.', () => {

            a.pushIfNotExists('Peter');

            expect(a).toEqual(expectedResults.test2);

        });

    });

    describe('Test 3', () => {

        it('Should be return 2 item in the array.', () => {

            a.pushIfNotExists('John');

            expect(a).toEqual(expectedResults.test3);

        });

    });

});