chefspec example

attributes-default.rb

node.default['foo']['bar'] = nil

default_spec.rb

require 'chefspec'

describe 'foo::default' do
  context 'when converging this recipe' do

    let(:runner) do
      ChefSpec::ChefRunner.new(platform:'ubuntu', version:'12.04') do |node|
        node.set['foo'] = {
          'bar' => "somethingnotnil"
        }
      end
    end

    before do
      runner.converge 'foo::default'
    end

    it 'installs the gcc package' do
      runner.should install_package 'gcc'
    end

  end

end

recipe-default.rb

raise "Didn't find valid node['foo']['bar'] attribute" if node['foo'] && node['foo']['bar'].nil?

package 'gcc'