set up the environment

setup.sh

# install node 
brew install node

# install redis
brew install redis

# install npm
curl http://npmjs.org/install.sh | sh

# install mocha and should for testing
npm install mocha should -g

# install node-redis to talk with redis
npm install redis

# create the first test
mkdir test
touch test/test_redis.js

test_redis.js

var redis = require("redis"),
    should = require('should'),
    client = redis.createClient();

describe('strings in redis', function() {
    var keyToSet = 'bingo',
        valueToSet = 'the dog';
    describe('#set()', function() {
        it('should save without error', function(done) {

            client.set(keyToSet, valueToSet, done);

        });
    });

    describe('#get()', function() {
        it('should be able to get the value we set', function(done) {

            client.get(keyToSet, function(err, data) {
                should.not.exist(err);
                data.should.equal(valueToSet);
                done();
                
            });
        });
    });
});