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Mocking NodeJS Modules

branch: master
readme.md

Horaa - Testing NodeJS Modules

With the recent development of NodeJS many developers who has worked with other languages starting to love NodeJS. But when they do testing It'll be quite hard for them because of NodeJS's module system.

Specifically, mocking existing( whether core or contributed ) modules will be very tricky. But with horaa it's fun to do that.

Install

npm install horaa

Example

Your Code

//stored in abc.js
exports.welcome = function() {
    var os = require('os');

    if(os.type() == 'linux') {
        return 'this is a linux box';
    } else {
        return 'meka nam linux nemei :)';
    }
};

Your Test Code (with horaa)

//stored in test.js
var horaa = require('horaa');
var lib = require('./abc'); // your code
var assert = require('assert');

//do the hijacking
var osHoraa = horaa('os');
osHoraa.hijack('type', function() {
    return 'linux';
});

assert.equal(lib.welcome(), 'this is a linux box');

//restore the method
osHoraa.restore('type');

Running Horaa's tests

npm install .

make test

Linting

make lint

Docs

make doc

License

The MIT License

Copyright (c) 2011 Arunoda Susiripala

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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