simple stateful module

test.js

var state = {
	foo: 'bam'
};

function getState() {
	return this;
}

function setBoo() {
	this.foo = "boo";
}

function setVar( x ) {
	this.foo = x;
}

var wrapper = {
	getState: getState.bind( state ),
	setBoo: setBoo.bind( state ),
	setVar: setVar.bind( state )
};

module.exports = wrapper;

test.spec.js

require( 'should' );

describe( "test", function() {
	var test;
	before( function() {
		test = require( './test.js' );
	} );

	describe( "getState", function() {
		var s;
		before( function() {
			s = test.getState();
		} );
		it( 'returns state', function() {
			s.should.have.property( 'foo' );
			s.foo.should.equal( 'bam' );
		} );
	} );

	describe( "setBoo", function() {
		var s;
		before( function() {
			test.setBoo();
		} );
		it( 'says boo', function() {
			s = test.getState();
			s.foo.should.equal( 'boo' );
		} );
	} );

	describe( "setState", function() {
		var s;
		before( function() {
			test.setVar( 'whoop' );
		} );
		it( 'says whoop', function() {
			s = test.getState();
			s.foo.should.equal( 'whoop' );
		} );
	} );

} );