Commit f58764e2

@@ -9,7 +9,7 @@ class PublishCakeToTwitter
   end
 
   def handle(message)
-    tweet_about(cakes.find(message[:cake_id]))
+    tweet_about(@cakes.find(message[:cake_id]))
   end
 
   private
@@ -19,7 +19,11 @@ class PublishCakeToTwitter
   end
 
   def tweet_for(cake)
-    "#{cake.name} By #{cake.user.name} on https://www.cakeside.com/creations/#{cake.to_param}!"
+    "#{cake.name} By #{cake.user.name} on #{routes.creation_url(cake)}!"
+  end
+
+  def routes
+    Cake::Application.routes.url_helpers
   end
 
   handle_asynchronously :handle, run_at: Proc.new { 10.minutes.from_now }

@@ -0,0 +1,35 @@
+require "spec_helper"
+
+describe PublishCakeToTwitter do
+  let(:twitter) { double(tweet: '') }
+  let(:cakes) { double }
+
+  subject { PublishCakeToTwitter.new(twitter, cakes) }
+
+  describe "#handles?" do
+    it "handles cake_published" do
+      subject.handles?(:cake_published).should be_true
+    end
+  end
+
+  describe "#handle" do
+    context "when the cake is published and safe for kids" do
+      let(:artist) { User.new(name: 'joe') }
+      let(:cake) { Creation.new(id: id, name: 'yummy') }
+      let(:id) { 88 }
+
+      before :each do
+        Rails.application.routes.default_url_options[:host]= 'localhost:3000' 
+        cake.stub(:is_safe_for_children?).and_return(true)
+        cake.stub(:published?).and_return(true)
+        cake.stub(:user).and_return(artist)
+        cakes.stub(:find).with(id).and_return(cake)
+      end
+
+      it "tweets new cakes" do
+        subject.handle(cake_id: id)
+        twitter.should have_received(:tweet).with("yummy By joe on http://localhost:3000/creations/88-yummy!")
+      end
+    end
+  end
+end