require 'spec_helper' describe Ru::Iterator do describe "#to_a" do it "returns the array" do iterator = described_class.new(%w{john paul george ringo}) expect(iterator.to_a).to eq(%w{john paul george ringo}) end end describe "#to_stdout" do it "returns the string" do iterator = described_class.new(%w{john paul george ringo}) expect(iterator.to_stdout).to eq("john\npaul\ngeorge\nringo") end context "with a method called on it" do it "returns the string" do iterator = described_class.new(%w{john paul george ringo}) expect(iterator.to_s.to_stdout).to eq("john\npaul\ngeorge\nringo") end end end end