spec.js

'use strict';

const lib = require('../../lib/index');

describe('Basic functionality', function () {
    it('displays the help banner when no params are given', function () {
        lib({})
            .then(result => expect(result).toContain('Usage: makeappicon --base-icon ICON_PATH'))
            .catch();
    });

    it('displays the help banner when the help flag is set to true', function () {
        lib({helpFlag: true})
            .then(result => expect(result).toContain('Usage: makeappicon --base-icon ICON_PATH'))
            .catch();
    });

    it('should fail to find the icon', function () {
        lib({iconPath: '/something.wrong.png'})
            .catch(err => expect(err).toBe(1));
    });
});