Implement update action for projects API

app/controllers/api/v1/projects_controller.rb

@@ -1,5 +1,5 @@
 class Api::V1::ProjectsController < Api::V1::BaseController
-  before_filter :find_project, :only => [:show]
+  before_filter :find_project, :only => [:show, :update]
 
   def index
     respond_with(Project.for(current_user).all)
@@ -18,6 +18,11 @@ def show
     respond_with(@project, :methods => "last_ticket")
   end
 
+  def update
+    @project.update_attributes(params[:project])
+    respond_with(@project)
+  end
+
   private
 
   def find_project

spec/api/v1/projects_spec.rb

@@ -94,4 +94,35 @@
       ticket_title.should_not be_blank
     end
   end
+
+  context "updating a project" do
+    before do
+      user.admin = true
+      user.save
+    end
+
+    let(:url) { "/api/v1/projects/#{project.id}" }
+    it "successful JSON" do
+      put "#{url}.json", :token => token,
+                         :project => { 
+                            :name => "Not Ticketee"
+                          }
+
+      last_response.status.should eql(204)
+      last_response.body.should eql("")
+
+      project.reload
+      project.name.should eql("Not Ticketee")
+    end
+
+    it "unsuccessful JSON" do
+      put "#{url}.json", :token => token,
+                         :project => { 
+                           :name => ""
+                          }
+      last_response.status.should eql(422)
+      errors = { :errors => { :name => ["can't be blank"] } }
+      last_response.body.should eql(errors.to_json)
+    end
+  end
 end