require 'spec_helper' describe Gitlab::Diff::InlineDiff, lib: true do describe '.for_lines' do let(:diff) do <<-EOF.strip_heredoc class Test - def initialize(test = true) + def initialize(test = false) @test = test - if true - @foo = "bar" + unless false + @foo = "baz" end end end EOF end let(:subject) { described_class.for_lines(diff.lines) } it 'finds all inline diffs' do expect(subject[0]).to be_nil expect(subject[1]).to eq([25..27]) expect(subject[2]).to eq([25..28]) expect(subject[3]).to be_nil expect(subject[4]).to eq([5..10]) expect(subject[5]).to eq([17..17]) expect(subject[6]).to eq([5..15]) expect(subject[7]).to eq([17..17]) expect(subject[8]).to be_nil end end describe "#inline_diffs" do let(:old_line) { "XXX def initialize(test = true)" } let(:new_line) { "YYY def initialize(test = false)" } let(:subject) { described_class.new(old_line, new_line, offset: 3).inline_diffs } it "finds the inline diff" do old_diffs, new_diffs = subject expect(old_diffs).to eq([26..28]) expect(new_diffs).to eq([26..29]) end end end