require 'spec_helper' describe Gitlab::Diff::Highlight, lib: true do include RepoHelpers let(:project) { create(:project, :repository) } let(:commit) { project.commit(sample_commit.id) } let(:diff) { commit.raw_diffs.first } let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs: commit.diff_refs, repository: project.repository) } describe '#highlight' do context "with a diff file" do let(:subject) { Gitlab::Diff::Highlight.new(diff_file, repository: project.repository).highlight } it 'returns Gitlab::Diff::Line elements' do expect(subject.first).to be_an_instance_of(Gitlab::Diff::Line) end it 'does not modify "match" lines' do expect(subject[0].text).to eq('@@ -6,12 +6,18 @@ module Popen') expect(subject[22].text).to eq('@@ -19,6 +25,7 @@ module Popen') end it 'highlights and marks unchanged lines' do code = %Q{ <span id="LC7" 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(subject[2].text).to eq(code) end it 'highlights and marks removed lines' do code = %Q{-<span id="LC9" class="line"> <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n} expect(subject[4].text).to eq(code) end it 'highlights and marks added lines' do code = %Q{+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no"><span class='idiff left'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span><span class='idiff right'> </span><span class="s2">"System commands must be given as an array of strings"</span></span>\n} expect(subject[5].text).to eq(code) end end context "with diff lines" do let(:subject) { Gitlab::Diff::Highlight.new(diff_file.diff_lines, repository: project.repository).highlight } it 'returns Gitlab::Diff::Line elements' do expect(subject.first).to be_an_instance_of(Gitlab::Diff::Line) end it 'does not modify "match" lines' do expect(subject[0].text).to eq('@@ -6,12 +6,18 @@ module Popen') expect(subject[22].text).to eq('@@ -19,6 +25,7 @@ module Popen') end it 'marks unchanged lines' do code = %q{ def popen(cmd, path=nil)} expect(subject[2].text).to eq(code) expect(subject[2].text).not_to be_html_safe end it 'marks removed lines' do code = %q{- raise "System commands must be given as an array of strings"} expect(subject[4].text).to eq(code) expect(subject[4].text).not_to be_html_safe end it 'marks added lines' do code = %q{+ raise <span class='idiff left right'>RuntimeError, </span>"System commands must be given as an array of strings"} expect(subject[5].text).to eq(code) expect(subject[5].text).to be_html_safe end end end end