utils-error.js

require('chai').should();

describe('Grasshopper utilts - error', function(){
    'use strict';

    var err = require('../lib/utils/error');

    it('create an err without a code or message. Should return 500 with a server exception message.', function() {
        var e = err();
        e.code.should.equal(500);
        e.message.should.equal('Server Error.');
    });

    it('create an err with a 404 but no message, should display correct 404 messaging.', function() {
        var e = err(404);
        e.code.should.equal(404);
        e.message.should.equal('Resource could not be found.');
    });

    it('create an error with 404 but customize the error message.', function() {
        var e = err(404, 'This is my custom error message.');
        e.code.should.equal(404);
        e.message.should.equal('This is my custom error message.');
    });

    it('should check the code param to be an integer, if it is not then we should assume it is a message.',function(){
        var e = err('Throw my custom message');
        e.code.should.equal(500);
        e.message.should.equal('Throw my custom message');
    });

    it('should check if the code param is a type of an error object and build the custom error object.', function(){
       var e = err(new Error('Custom Error'));
        e.code.should.equal(500);
        e.message.should.equal('Custom Error');
    });

    it('should check if the custom error object has a "code" param and pass that through.', function(){
        var error = new Error('Custom Error'),
            e = null;

        error.code = 404;
        e = err(error);
        e.code.should.equal(404);
        e.message.should.equal('Custom Error');
    });
});