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require 'spec_helper'
describe Gitlab::Diff::Highlight 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) }
shared_examples 'without inline diffs' do
let(:code) { '<h2 onmouseover="alert(2)">Test</h2>' }
before do
allow(Gitlab::Diff::InlineDiff).to receive(:for_lines).and_return([])
allow_any_instance_of(Gitlab::Diff::Line).to receive(:text).and_return(code)
end
it 'returns html escaped diff text' do
expect(subject[1].rich_text).to eq html_escape(code)
expect(subject[1].rich_text).to be_html_safe
end
end
describe '#highlight' do
context "with a diff file" do
let(:subject) { described_class.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" lang="ruby"> <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].rich_text).to eq(code)
end
it 'highlights and marks removed lines' do
code = %Q{-<span id="LC9" class="line" lang="ruby"> <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
expect(subject[4].rich_text).to eq(code)
end
it 'highlights and marks added lines' do
code = %Q{+<span id="LC9" class="line" lang="ruby"> <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].rich_text).to eq(code)
end
context 'when no diff_refs' do
before do
allow(diff_file).to receive(:diff_refs).and_return(nil)
end
context 'when no inline diffs' do
it_behaves_like 'without inline diffs'
end
end
end
context "with diff lines" do
let(:subject) { described_class.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].rich_text).to eq(code)
expect(subject[5].rich_text).to be_html_safe
end
context 'when the inline diff marker has an invalid range' do
before do
allow_any_instance_of(Gitlab::Diff::InlineDiffMarker).to receive(:mark).and_raise(RangeError)
end
it 'keeps the original rich line' do
allow(Gitlab::Sentry).to receive(:track_exception)
code = %q{+ raise RuntimeError, "System commands must be given as an array of strings"}
expect(subject[5].text).to eq(code)
expect(subject[5].text).not_to be_html_safe
end
it 'reports to Sentry if configured' do
expect(Gitlab::Sentry).to receive(:track_exception).and_call_original
expect { subject }. to raise_exception(RangeError)
end
end
context 'when no inline diffs' do
it_behaves_like 'without inline diffs'
end
end
end
end
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