require 'rails_helper' describe BaseMarkdownRenderer do let(:renderer) { described_class.new } def render_markdown(markdown) doc = CommonMarker.render_doc(markdown, :DEFAULT) renderer.render(doc) end describe '#image' do context 'when image has a height' do it 'renders the img tag with the correct attributes' do markdown = '![Sample Title](https://example.com/image.jpg?cw_image_height=100)' expect(render_markdown(markdown)).to include('') end end context 'when image does not have a height' do it 'renders the img tag without the height attribute' do markdown = '![Sample Title](https://example.com/image.jpg)' expect(render_markdown(markdown)).to include('') end end context 'when image has an invalid URL' do it 'renders the img tag without crashing' do markdown = '![Sample Title](invalid_url)' expect { render_markdown(markdown) }.not_to raise_error end end end end