GET /:hash works.

Gemfile

@@ -2,5 +2,11 @@ source :rubygems
 
 gem 'sinatra', '~> 1.3.2'
 gem 'redis', '~> 2.2.2'
-gem 'rspec', '~> 2.9.0'
 gem 'rake', '~> 0.9.2'
+gem 'ohm', '~> 0.1.5'
+
+group :test do
+  gem 'rack-test'
+  gem 'rspec', '~> 2.9.0'
+  gem 'factory_girl', '~> 3.1.0'
+end

Gemfile.lock

@@ -1,10 +1,23 @@
 GEM
   remote: http://rubygems.org/
   specs:
+    activesupport (3.2.3)
+      i18n (~> 0.6)
+      multi_json (~> 1.0)
     diff-lcs (1.1.3)
+    factory_girl (3.1.0)
+      activesupport (>= 3.0.0)
+    i18n (0.6.0)
+    multi_json (1.2.0)
+    nest (1.1.1)
+      redis
+    ohm (0.1.5)
+      nest (~> 1.0)
     rack (1.4.1)
     rack-protection (1.2.0)
       rack
+    rack-test (0.6.1)
+      rack (>= 1.0)
     rake (0.9.2.2)
     redis (2.2.2)
     rspec (2.9.0)
@@ -25,6 +38,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  factory_girl (~> 3.1.0)
+  ohm (~> 0.1.5)
+  rack-test
   rake (~> 0.9.2)
   redis (~> 2.2.2)
   rspec (~> 2.9.0)

app/application.rb

@@ -0,0 +1,17 @@
+require 'bundler/setup'
+require 'sinatra/base'
+
+require_relative '../lib/encoder'
+require_relative '../lib/decoder'
+require_relative '../lib/ohm_setup'
+require_relative 'models/link'
+
+module Shawtie
+  class Application < Sinatra::Base
+    get '/:hash' do |hash|
+      link = Link.find(hash: hash).first
+
+      redirect link.url
+    end
+  end
+end

app/models/link.rb

@@ -0,0 +1,11 @@
+class Link < Ohm::Model
+  attribute :url
+  attribute :hash
+
+  index :hash
+
+  def validate
+    assert_present :url
+    assert_present :hash
+  end
+end

lib/ohm_setup.rb

@@ -0,0 +1,3 @@
+require 'ohm'
+
+# Ohm.connect

spec/app/application_spec.rb

@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe Shawtie::Application do
+  context 'GET /:hash' do
+    let(:link) { FactoryGirl.build(:link) }
+
+    before do
+      get "/#{link.hash}"
+    end
+
+    it 'is a redirect' do
+      last_response.should be_redirect
+    end
+
+    it 'redirects to the URL' do
+      last_response.location.should == link.url
+    end
+  end
+end

spec/factories.rb

@@ -0,0 +1,10 @@
+FactoryGirl.define do
+  factory :link do
+    ignore do
+      url 'http://example.com'
+      sequence(:hash) { |n| "hash#{n}" }
+    end
+
+    initialize_with { Link.create(url: url, hash: hash) }
+  end
+end

spec/models/link_spec.rb

@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+describe Link do
+  context 'validations' do
+    it 'requires url to be present' do
+      link = Link.create(url: nil)
+      link.errors.assoc(:url)[1].should == :not_present
+    end
+
+    it 'requires hash to be present' do
+      link = Link.create(hash: nil)
+      link.errors.assoc(:hash)[1].should == :not_present
+    end
+  end
+end

spec/spec_helper.rb

@@ -1,5 +1,10 @@
-$LOAD_PATH << File.expand_path('../lib', __FILE__)
+$LOAD_PATH << File.dirname(__FILE__)
 
+require 'bundler/setup'
 require 'rspec'
-require 'encoder'
-require 'decoder'
+require 'rack/test'
+require 'factory_girl'
+
+require_relative '../app/application'
+
+Dir['spec/support/**/*.rb'].each { |f| require File.expand_path(f) }

spec/support/factory_girl.rb

@@ -0,0 +1 @@
+FactoryGirl.find_definitions

spec/support/rack.rb

@@ -0,0 +1,7 @@
+RSpec.configure do |config|
+  config.include Rack::Test::Methods
+
+  def app
+    Shawtie::Application
+  end
+end

spec/support/redis.rb

@@ -0,0 +1,5 @@
+RSpec.configure do |config|
+  config.before do
+    Ohm.redis.flushdb
+  end
+end