'use strict';

const ExtendableError = require('../lib/utils').ExtendableError;

describe('lib/utils', () => {

describe('Error', () => {

it('should be an Error inheritor', () => {

const error = new ExtendableError('msg');

assert.isTrue(error instanceof Error);

});

it('should create regular error if only message specified', () => {

const error = new ExtendableError('msg');

assert.equal(error.message, 'msg');

assert.match(error.stack, /^Error: msg\n/);

assert.notInclude(error.stack, '\nCaused by:\n');

});

it('should create regular error if cause exception has no stack', () => {

const error = new ExtendableError('msg', {});

assert.equal(error.message, 'msg');

assert.match(error.stack, /^Error: msg\n/);

assert.notInclude(error.stack, '\nCaused by:\n');

});

it('should create error with extended stack if cause exception has stack', () => {

const error = new ExtendableError('msg', {stack: 'Custom stack'});

assert.equal(error.message, 'msg');

assert.match(error.stack, /^Error: msg\n/);

assert.include(error.stack, '\nCaused by:\n');

assert.include(error.stack, '\nCustom stack');

});

});

});