require 'spec_helper' describe Gitlab::Diff::ParallelDiff do include RepoHelpers let(:project) { create(:project, :repository) } let(:repository) { project.repository } let(:commit) { project.commit(sample_commit.id) } let(:diffs) { commit.raw_diffs } let(:diff) { diffs.first } let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs: commit.diff_refs, repository: repository) } subject { described_class.new(diff_file) } describe '#parallelize' do it 'returns an array of arrays containing the parsed diff' do diff_lines = diff_file.highlighted_diff_lines expected = [ # Unchanged lines { left: diff_lines[0], right: diff_lines[0] }, { left: diff_lines[1], right: diff_lines[1] }, { left: diff_lines[2], right: diff_lines[2] }, { left: diff_lines[3], right: diff_lines[3] }, { left: diff_lines[4], right: diff_lines[5] }, { left: diff_lines[6], right: diff_lines[6] }, { left: diff_lines[7], right: diff_lines[7] }, { left: diff_lines[8], right: diff_lines[8] }, # Changed lines { left: diff_lines[9], right: diff_lines[11] }, { left: diff_lines[10], right: diff_lines[12] }, # Added lines { left: nil, right: diff_lines[13] }, { left: nil, right: diff_lines[14] }, { left: nil, right: diff_lines[15] }, { left: nil, right: diff_lines[16] }, { left: nil, right: diff_lines[17] }, { left: nil, right: diff_lines[18] }, # Unchanged lines { left: diff_lines[19], right: diff_lines[19] }, { left: diff_lines[20], right: diff_lines[20] }, { left: diff_lines[21], right: diff_lines[21] }, { left: diff_lines[22], right: diff_lines[22] }, { left: diff_lines[23], right: diff_lines[23] }, { left: diff_lines[24], right: diff_lines[24] }, { left: diff_lines[25], right: diff_lines[25] }, # Added line { left: nil, right: diff_lines[26] }, # Unchanged lines { left: diff_lines[27], right: diff_lines[27] }, { left: diff_lines[28], right: diff_lines[28] }, { left: diff_lines[29], right: diff_lines[29] } ] expect(subject.parallelize).to eq(expected) end end end