require 'spec_helper' describe FormatHelper, type: :helper do describe 'markdown' do it 'should return empty string for nil' do expect(markdown(nil)).to eq '' end it 'should return HTML for header markdown' do expect(Redcarpet::Markdown).to receive(:new) .with(Redcarpet::Render::HTML, autolink: true, space_after_headers: true, no_intra_emphasis: true) .and_call_original expect(markdown('# this is my header')).to eq "