require 'spec_helper' describe Gitlab::Diff::Highlight, lib: true do include RepoHelpers let(:project) { create(:project) } let(:commit) { project.commit(sample_commit.id) } let(:diff) { commit.diffs.first } let(:diff_file) { Gitlab::Diff::File.new(diff) } describe '.process_diff_lines' do let(:diff_lines) { Gitlab::Diff::Highlight.process_diff_lines(diff_file) } it 'should return Gitlab::Diff::Line elements' do expect(diff_lines.first).to be_an_instance_of(Gitlab::Diff::Line) end it 'should highlight the code' do code = %Q{<span id="LC3" class="line"> <span class="k">def</span> <span class="nf">popen</span><span class="p">(</span><span class="n">cmd</span><span class="p">,</span> <span class="n">path</span><span class="o">=</span><span class="kp">nil</span><span class="p">)</span></span>\n} expect(diff_lines[2].text).to eq(code) end it 'should keep the inline diff markup' do expect(diff_lines[5].text).to match(Regexp.new(Regexp.escape('<span class="idiff">RuntimeError, </span>'))) end end end