free_mutant/spec/unit/mutant/reporter/null_spec.rb

RSpec.describe Mutant::Reporter::Null do
  let(:object) { described_class.new }

  describe '#report' do
    subject { object.report(double('some input')) }

    it_should_behave_like 'a command method'
  end

  describe '#warn' do
    subject { object.warn(double('some input')) }

    it_should_behave_like 'a command method'
  end

  describe '#progress' do
    subject { object.progress(double('some input')) }

    it_should_behave_like 'a command method'
  end
end