A light-weight window mock for Node/io.js unit-testing
npm install window-mock 

A light-weight window-mock for node/ io.js unit-testing written in ES6
shell
npm install window-mock --save-dev
`Usage (ES6+)
Once you created a WindowMock-Instance the mock should behave exactly as the
browser's window object.`javascript
import test from 'tape';
import WindowMock from 'window-mock';test(
Some window interaction unit test, (t) => { let
windowMock = new WindowMock();
windowMock.localStorage.setItem('key', 'value');
t.equal(
windowMock.localStorage.getItem('key'),
'value',
'should set
key to value'
); t.end();
});
`Usage (ES5/ Javascript)
`javascript
var
test = require('tape'),
WindowMock = require('window-mock');test(
Some window interaction unit test, function(t) { var
windowMock = new WindowMock();
windowMock.localStorage.setItem('key', 'value');
t.equal(
windowMock.localStorage.getItem('key'),
'value',
'should set
key to value'
); t.end();
});
``Feel free to fork and pull-request for extending the API!