rspec_spec.rb

# coding: utf-8
RSpec.configure do |c|
  c.filter_run_excluding :ruby => lambda{|version|
    !(RUBY_VERSION.to_s =~ /^#{version.to_s}/)
  }
end

describe Hash do
  context 'object_id' do
    before(:all) do
      @hash = {'object_id' => 7134}
    end
    subject { @hash }
    # どっかのobject_idが呼ばれとる
    its(['object_id']) { should_not eq 7134 }
    its(['object_id']) { should_not eq subject.object_id }
    its([:object_id]) { should_not be_nil }
    its([:object_id]) { should_not eq 7134 }
    its([:object_id]) { should_not eq subject.object_id }
  end

  context 'stringとsimbolで同名' do
    before(:all) do
      @hash = {'name' => 7134, :name => 1234}
    end
    subject { @hash }
    its(['name']) { pending('simbolの方が呼ばれる'); should eq @hash['name'] }
    its(['name']) { should eq @hash[:name] }
    its([:name]) { should eq 1234 }
  end
end