rspec-shared

This gem adds a shared method to RSpec Core which basically a let that is shared across examples.

Synopsis

describe do
  @@one = 1

  def shared_value
    @@one = @@one.next
  end

  shared(:foo) { shared_value }

  example { foo.should eq(2) }
  example { foo.should eq(2) }

  describe do
    example { foo.should eq(2) }
  end
end