require 'spec_helper' describe DiffHelper do include RepoHelpers let(:project) { create(:project) } let(:commit) { project.repository.commit(sample_commit.id) } let(:diff) { commit.diffs.first } let(:diff_file) { Gitlab::Diff::File.new(diff) } describe 'diff_hard_limit_enabled?' do it 'should return true if param is provided' do allow(controller).to receive(:params) { { force_show_diff: true } } expect(diff_hard_limit_enabled?).to be_truthy end it 'should return false if param is not provided' do expect(diff_hard_limit_enabled?).to be_falsey end end describe 'allowed_diff_size' do it 'should return hard limit for a diff if force diff is true' do allow(controller).to receive(:params) { { force_show_diff: true } } expect(allowed_diff_size).to eq(1000) end it 'should return safe limit for a diff if force diff is false' do expect(allowed_diff_size).to eq(100) end end describe 'parallel_diff' do it 'should return an array of arrays containing the parsed diff' do expect(parallel_diff(diff_file, 0)). to match_array(parallel_diff_result_array) end end describe 'generate_line_code' do it 'should generate correct line code' do expect(generate_line_code(diff_file.file_path, diff_file.diff_lines.first)). to eq('2f6fcd96b88b36ce98c38da085c795a27d92a3dd_6_6') end end describe 'unfold_bottom_class' do it 'should return empty string when bottom line shouldnt be unfolded' do expect(unfold_bottom_class(false)).to eq('') end it 'should return js class when bottom lines should be unfolded' do expect(unfold_bottom_class(true)).to eq('js-unfold-bottom') end end describe 'diff_line_content' do it 'should return non breaking space when line is empty' do expect(diff_line_content(nil)).to eq('  ') end it 'should return the line itself' do expect(diff_line_content(diff_file.diff_lines.first.text)). to eq('@@ -6,12 +6,18 @@ module Popen') expect(diff_line_content(diff_file.diff_lines.first.type)).to eq('match') expect(diff_line_content(diff_file.diff_lines.first.new_pos)).to eq(6) end end def parallel_diff_result_array [ ["match", 6, "@@ -6,12 +6,18 @@ module Popen", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_6_6", "match", 6, "@@ -6,12 +6,18 @@ module Popen", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_6_6"], [nil, 6, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_6_6", nil, 6, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_6_6"], [nil, 7, " def popen(cmd, path=nil)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_7_7", nil, 7, " def popen(cmd, path=nil)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_7_7"], [nil, 8, " unless cmd.is_a?(Array)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_8_8", nil, 8, " unless cmd.is_a?(Array)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_8_8"], ["old", 9, "- raise "System commands must be given as an array of strings"", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_9_9", "new", 9, "+ raise RuntimeError, "System commands must be given as an array of strings"", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"], [nil, 10, " end", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_10", nil, 10, " end", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_10"], [nil, 11, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_11_11", nil, 11, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_11_11"], [nil, 12, " path ||= Dir.pwd", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_12_12", nil, 12, " path ||= Dir.pwd", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_12_12"], ["old", 13, "- vars = { "PWD" => path }", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_13_13", "old", nil, " ", nil], ["old", 14, "- options = { chdir: path }", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_14_13", "new", 13, "+", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_13"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_14", "new", 14, "+ vars = {", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_14"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_15", "new", 15, "+ "PWD" => path", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_15"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_16", "new", 16, "+ }", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_16"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_17", "new", 17, "+", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_17"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_18", "new", 18, "+ options = {", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_18"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_19", "new", 19, "+ chdir: path", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_19"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_20", "new", 20, "+ }", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_20"], [nil, 15, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_21", nil, 21, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_21"], [nil, 16, " unless File.directory?(path)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_16_22", nil, 22, " unless File.directory?(path)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_16_22"], [nil, 17, " FileUtils.mkdir_p(path)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_17_23", nil, 23, " FileUtils.mkdir_p(path)", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_17_23"], ["match", 19, "@@ -19,6 +25,7 @@ module Popen", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_19_25", "match", 25, "@@ -19,6 +25,7 @@ module Popen", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_19_25"], [nil, 19, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_19_25", nil, 25, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_19_25"], [nil, 20, " @cmd_output = """, "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_20_26", nil, 26, " @cmd_output = """, "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_20_26"], [nil, 21, " @cmd_status = 0", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_21_27", nil, 27, " @cmd_status = 0", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_21_27"], [nil, nil, " ", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_22_28", "new", 28, "+", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_22_28"], [nil, 22, " Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_22_29", nil, 29, " Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_22_29"], [nil, 23, " @cmd_output << stdout.read", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_23_30", nil, 30, " @cmd_output << stdout.read", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_23_30"], [nil, 24, " @cmd_output << stderr.read", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_24_31", nil, 31, " @cmd_output << stderr.read", "2f6fcd96b88b36ce98c38da085c795a27d92a3dd_24_31"] ] end end