solution_spec.rb

require 'rspec'
require 'code_breaker'

describe 'Your code' do
  [['solution::code']]

  VARIABLE = :baggage
  ITEMS    = ['glasses', 'shirt', 'trousers', 'socks', 'shoes']

  it 'defines a variable with name "baggage"' do
    expect(local_variables.include?(VARIABLE)).to be true
  end

  if local_variables.include?(VARIABLE)
    before(:all) do
      @statements = CodeBreaker.parse( %q{ [['solution::code']] })
    end

    it 'uses the unshift method to add "glasses"' do
      unshift = [{ lvar: VARIABLE }, :unshift, String]
      expect(@statements.include?(unshift)).to be true
    end

    it 'uses the push or << method to add "shoes"' do
      push = [{ lvar: VARIABLE }, :push, String]
      arrows = [{ lvar: VARIABLE }, :<<, String]

      includes_code = @statements.include?(push) || @statements.include?(arrows)
      expect(includes_code).to be true
    end

    it 'uses the insert method to add "trousers" and "socks"' do
      insert = [{ lvar: VARIABLE }, :insert, Fixnum, String, String]
      expect(@statements.include?(insert)).to be true
    end

    it 'changes your baggage to contain "glasses", "shirt", "trousers", "socks", & "shoes"' do
      expect(eval(VARIABLE.to_s)).to eq ITEMS
    end
  end
end