constructor-takes-partialy-initialized-object-good.rb

class Garden
  def initialize(gardener)
    @gardener = gardener
  end
end

class Gardener
  def initialize(workday, boots)
    @workday = workday
    @boots = boots
  end

  def working?
    # ...
  end
end

describe Gardener do
  let(:gardener) { Gardener.new(workday, boots) }
  let(:garden) { Garden.new(gardener) }

  let(:workday) { instance_double('Workday') }
  let(:boots) { instance_double('BootsWithMassiveStaticInitBlock') }

  describe "#working?" do
    before { AphidPlague.new(garden).infect }

    it { expect(gardener.working?).to be true }
  end
end