ChefSpec does not support node attributes in assertions per http://st…

…ackoverflow.com/a/21763443

Add stub for golang cookbooks shell out to grep

spec/unit/recipes/install_source_spec.rb

@@ -1,8 +1,12 @@
 require 'spec_helper'
 
-describe_recipe 'consul::install_binary' do
+describe_recipe 'consul::install_source' do
+  before do
+	stub_command("/usr/local/go/bin/go version | grep \"go1.2 \"").and_return(false)
+  end
+
   it { expect(chef_run).to include_recipe('golang::default') }
-  it { expect(chef_run).to create_directory("#{node[:golang][:gohome]}/src/github.com/hashicorp") }
+  it { expect(chef_run).to create_directory('/opt/go/src/github.com/hashicorp') }
   it { expect(chef_run).to checkout_git('https://github.com/hashicorp/consul.git') }
   it { expect(chef_run.link('/usr/bin/local/consul')).to link_to('/opt/go/bin') }
   it { expect(chef_run).to include_recipe('consul::_service') }