nested-describe.rb

shared_context 'C0' do
  let(:c0) { 0 }
end

shared_context 'C1' do
  let(:c1) { 1 }
end

describe 'D0' do
  include_context 'C0'
  describe 'D1' do
    include_context 'C1'

    it 'can access c1' do
      expect(c1).to eq(1)
    end

    it 'cannot access c0' do
      expect(c0).to eq(0) # cannot find c0
    end
  end
end