Karma tests for http://stackoverflow.com/a/13419367/224004

gistfile1.js

    // http://stackoverflow.com/a/13419367/224004

    describe('parseQuery', function() {
        it('parses a simple query string that starts with a ?', function() {
            expect(parseQuery('?a=z')).toEqual({'a': 'z'});
        });

        it('parses a simple query string that doesn\'t start with a ?', function() {
            expect(parseQuery('a=z')).toEqual({'a': 'z'});
        });

        it('decodes entities', function() {
            expect(parseQuery('%5Ba%5D%20(%20v%20)=%5Ba%5D%20(%20v%20)')).toEqual({'[a] ( v )': '[a] ( v )'});
        });

        it('parses a query string with multiple values', function() {
            expect(parseQuery('%5B=2&2=3')).toEqual({'[': '2', '2': '3'});
        });

        it('uses the last key value if there are duplicate keys', function() {
            expect(parseQuery('?a=1&a=2&a=3&b=2&b=1')).toEqual({'a': '3', 'b': '1'});
        });
    });