Implemented index quote

.rspec

@@ -0,0 +1,2 @@
+--color
+--format progress

bloomberg_quote.gemspec

@@ -18,6 +18,10 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
+  s.add_development_dependency "rspec"
+  s.add_development_dependency "fakeweb"
+  s.add_runtime_dependency "nokogiri"
+
   # specify any dependencies here; for example:
   # s.add_development_dependency "rspec"
   # s.add_runtime_dependency "rest-client"

lib/bloomberg_quote.rb

@@ -1,5 +1,65 @@
 require "bloomberg_quote/version"
+require "open-uri"
+require "nokogiri"
+require "json"
 
 module BloombergQuote
-  # Your code goes here...
+  class Quote
+    def initialize(symbol)
+      @symbol = symbol
+      pull_data
+    end
+
+    def valid?
+      return false unless @data
+      @data.size > 0
+    end
+
+    def data
+      @data.nil? ? {} : @data
+    end
+
+    private
+      def pull_data
+        return if @symbol.empty?
+
+        case @symbol
+        when /:IND\Z/
+          pull_index_data
+        end
+      end
+
+      def pull_index_data
+        @data = {}
+
+        fetch_page
+        return unless @doc.css('div.ticker_header > span.price').text.
+          gsub(',','') =~ /(\d+\.?(?:\d+))/
+        @data["Price"] = $1.to_f
+
+        json = parse_json
+        @data["Previous Close"] = json["prev_close"].to_f
+        @data["Open"] = json["data_values"][0][1].to_f
+      end
+
+      def parse_json
+        inline_scripts = @doc.xpath('//script[not(@src)]').map(&:text)
+        inline_scripts.find do |js|
+          js =~ /BLOOMBERG\.global_var\.chartData\s+?=\s+?(.+?);/
+        end
+        JSON.parse($1)
+      end
+
+      def fetch_page
+        @doc = Nokogiri::HTML(open_url)
+      end
+
+      def open_url
+        open(quote_url)
+      end
+
+      def quote_url
+        "http://www.bloomberg.com/quote/#{@symbol}"
+      end
+    end
 end

spec/bloomberg_quote_spec.rb

@@ -0,0 +1,59 @@
+require 'spec_helper'
+require 'bloomberg_quote'
+require 'fakeweb'
+
+describe BloombergQuote do
+  describe 'Indexes' do
+    describe '#valid?' do
+      context 'when wrong symbol' do
+        it { BloombergQuote::Quote.new('DUMMY:IND').valid?.should be_false }
+      end
+
+      context 'when right symbol' do
+        it { BloombergQuote::Quote.new('TPX:IND').valid?.should be_true }
+      end
+    end
+
+    describe '#data' do
+      context 'when wrong symbol' do
+        it { BloombergQuote::Quote.new('DUMMY:IND').data.should be_empty }
+      end
+
+      shared_examples_for 'TPX:IND data' do |options|
+        subject { BloombergQuote::Quote.new('TPX:IND').data }
+        it { should_not be_empty }
+        it { should have_key('Price') }
+        it { should have_key('Previous Close') }
+        it { should have_key('Open') }
+        its(['Price']) { should be_instance_of(Float) }
+        its(['Previous Close']) { should be_instance_of(Float) }
+        its(['Open']) { should be_instance_of(Float) }
+
+        if options.has_key?(:use_fakeweb) && options[:use_fakeweb]
+          its(['Price']) { should == 813.33 }
+          its(['Previous Close']) { should == 819.27 }
+          its(['Open']) { should == 814.37 }
+        end
+      end
+
+      context 'when right symbol' do
+        it_should_behave_like 'TPX:IND data', {}
+
+        describe 'values' do
+          before(:all) do
+            FakeWeb.register_uri(
+              :get, "http://www.bloomberg.com/quote/TPX:IND",
+              :body => File.read('spec/fakeweb/tpx.html'))
+              FakeWeb.allow_net_connect = false
+          end
+
+          after(:all) do
+            FakeWeb.clean_registry
+          end
+
+          it_should_behave_like 'TPX:IND data', :use_fakeweb => true
+        end
+      end
+    end
+  end
+end