363 lines
14 KiB
Ruby
363 lines
14 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Conflict::File do
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include GitHelpers
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let(:project) { create(:project, :repository) }
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let(:repository) { project.repository }
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let(:rugged) { rugged_repo(repository) }
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let(:their_commit) { rugged.branches['conflict-start'].target }
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let(:our_commit) { rugged.branches['conflict-resolvable'].target }
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let(:merge_request) { create(:merge_request, source_branch: 'conflict-resolvable', target_branch: 'conflict-start', source_project: project) }
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let(:index) { rugged.merge_commits(our_commit, their_commit) }
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let(:rugged_conflict) { index.conflicts.last }
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let(:raw_conflict_content) { index.merge_file('files/ruby/regex.rb')[:data] }
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let(:raw_conflict_file) { Gitlab::Git::Conflict::File.new(repository, our_commit.oid, rugged_conflict, raw_conflict_content) }
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let(:conflict_file) { described_class.new(raw_conflict_file, merge_request: merge_request) }
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describe 'delegates' do
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it { expect(conflict_file).to delegate_method(:type).to(:raw) }
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it { expect(conflict_file).to delegate_method(:content).to(:raw) }
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it { expect(conflict_file).to delegate_method(:path).to(:raw) }
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it { expect(conflict_file).to delegate_method(:ancestor_path).to(:raw) }
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it { expect(conflict_file).to delegate_method(:their_path).to(:raw) }
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it { expect(conflict_file).to delegate_method(:our_path).to(:raw) }
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it { expect(conflict_file).to delegate_method(:our_mode).to(:raw) }
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it { expect(conflict_file).to delegate_method(:our_blob).to(:raw) }
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it { expect(conflict_file).to delegate_method(:repository).to(:raw) }
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end
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describe '#resolve_lines' do
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let(:section_keys) { conflict_file.sections.map { |section| section[:id] }.compact }
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context 'when resolving everything to the same side' do
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let(:resolution_hash) { section_keys.to_h { |key| [key, 'head'] } }
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let(:resolved_lines) { conflict_file.resolve_lines(resolution_hash) }
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let(:expected_lines) { conflict_file.lines.reject { |line| line.type == 'old' } }
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it 'has the correct number of lines' do
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expect(resolved_lines.length).to eq(expected_lines.length)
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end
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it 'has content matching the chosen lines' do
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expect(resolved_lines.map(&:text)).to eq(expected_lines.map(&:text))
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end
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end
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context 'with mixed resolutions' do
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let(:resolution_hash) do
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section_keys.map.with_index { |key, i| [key, i.even? ? 'head' : 'origin'] }.to_h
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end
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let(:resolved_lines) { conflict_file.resolve_lines(resolution_hash) }
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it 'has the correct number of lines' do
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file_lines = conflict_file.lines.reject { |line| line.type == 'new' }
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expect(resolved_lines.length).to eq(file_lines.length)
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end
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it 'returns a file containing only the chosen parts of the resolved sections' do
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expect(resolved_lines.chunk { |line| line.type || 'both' }.map(&:first))
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.to eq(%w(both new both old both new both))
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end
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end
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it 'raises ResolutionError when passed a hash without resolutions for all sections' do
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empty_hash = section_keys.to_h { |key| [key, nil] }
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invalid_hash = section_keys.to_h { |key| [key, 'invalid'] }
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expect { conflict_file.resolve_lines({}) }
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.to raise_error(Gitlab::Git::Conflict::Resolver::ResolutionError)
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expect { conflict_file.resolve_lines(empty_hash) }
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.to raise_error(Gitlab::Git::Conflict::Resolver::ResolutionError)
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expect { conflict_file.resolve_lines(invalid_hash) }
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.to raise_error(Gitlab::Git::Conflict::Resolver::ResolutionError)
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end
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end
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describe '#highlight_lines!' do
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def html_to_text(html)
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CGI.unescapeHTML(ActionView::Base.full_sanitizer.sanitize(html)).delete("\n")
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end
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it 'is called implicitly when rich_text is accessed on a line' do
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expect(conflict_file).to receive(:highlight_lines!).once.and_call_original
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conflict_file.lines.each(&:rich_text)
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end
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it 'sets the rich_text of the lines matching the text content' do
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conflict_file.lines.each do |line|
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expect(line.text).to eq(html_to_text(line.rich_text))
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end
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end
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# This spec will break if Rouge's highlighting changes, but we need to
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# ensure that the lines are actually highlighted.
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it 'highlights the lines correctly' do
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expect(conflict_file.lines.first.rich_text)
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.to eq("<span id=\"LC1\" class=\"line\" lang=\"ruby\"><span class=\"k\">module</span> <span class=\"nn\">Gitlab</span></span>\n")
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end
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end
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describe '#diff_lines_for_serializer' do
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let(:diff_line_types) { conflict_file.diff_lines_for_serializer.map(&:type) }
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it 'assigns conflict types to the diff lines' do
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expect(diff_line_types[4]).to eq('conflict_marker_our')
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expect(diff_line_types[5..10]).to eq(['conflict_our'] * 6)
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expect(diff_line_types[11]).to eq('conflict_marker')
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expect(diff_line_types[12..17]).to eq(['conflict_their'] * 6)
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expect(diff_line_types[18]).to eq('conflict_marker_their')
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expect(diff_line_types[19..24]).to eq([nil] * 6)
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expect(diff_line_types[25]).to eq('conflict_marker_our')
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expect(diff_line_types[26..27]).to eq(['conflict_our'] * 2)
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expect(diff_line_types[28]).to eq('conflict_marker')
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expect(diff_line_types[29..30]).to eq(['conflict_their'] * 2)
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expect(diff_line_types[31]).to eq('conflict_marker_their')
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end
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# Swap the positions around due to conflicts/diffs display inconsistency
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# https://gitlab.com/gitlab-org/gitlab/-/issues/291989
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it 'swaps the new and old positions around' do
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lines = conflict_file.diff_lines_for_serializer
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expect(lines.map(&:old_pos)[26..27]).to eq([21, 22])
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expect(lines.map(&:new_pos)[29..30]).to eq([21, 22])
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end
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it 'does not add a match line to the end of the section' do
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expect(diff_line_types.last).to eq(nil)
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end
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context 'when there are unchanged trailing lines' do
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let(:rugged_conflict) { index.conflicts.first }
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let(:raw_conflict_content) { index.merge_file('files/ruby/popen.rb')[:data] }
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it 'assign conflict types and adds match line to the end of the section' do
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expect(diff_line_types).to eq([
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'match',
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nil, nil, nil,
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"conflict_marker_our",
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"conflict_our",
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"conflict_marker",
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"conflict_their",
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"conflict_their",
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"conflict_their",
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"conflict_marker_their",
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nil, nil, nil,
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"match"
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])
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end
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end
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end
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describe '#sections' do
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it 'only inserts match lines when there is a gap between sections' do
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conflict_file.sections.each_with_index do |section, i|
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previous_line_number = 0
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current_line_number = section[:lines].map(&:old_line).compact.min
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if i > 0
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previous_line_number = conflict_file.sections[i - 1][:lines].map(&:old_line).compact.last
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end
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if current_line_number == previous_line_number + 1
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expect(section[:lines].first.type).not_to eq('match')
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else
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expect(section[:lines].first.type).to eq('match')
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expect(section[:lines].first.text).to match(/\A@@ -#{current_line_number},\d+ \+\d+,\d+ @@ module Gitlab\Z/)
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end
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end
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end
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it 'sets conflict to false for sections with only unchanged lines' do
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conflict_file.sections.reject { |section| section[:conflict] }.each do |section|
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without_match = section[:lines].reject { |line| line.type == 'match' }
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expect(without_match).to all(have_attributes(type: nil))
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end
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end
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it 'only includes a maximum of CONTEXT_LINES (plus an optional match line) in context sections' do
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conflict_file.sections.reject { |section| section[:conflict] }.each do |section|
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without_match = section[:lines].reject { |line| line.type == 'match' }
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expect(without_match.length).to be <= Gitlab::Conflict::File::CONTEXT_LINES * 2
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end
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end
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it 'sets conflict to true for sections with only changed lines' do
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conflict_file.sections.select { |section| section[:conflict] }.each do |section|
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section[:lines].each do |line|
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expect(line.type).to be_in(%w(new old))
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end
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end
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end
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it 'adds unique IDs to conflict sections, and not to other sections' do
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section_ids = []
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conflict_file.sections.each do |section|
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if section[:conflict]
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expect(section).to have_key(:id)
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section_ids << section[:id]
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else
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expect(section).not_to have_key(:id)
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end
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end
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expect(section_ids.uniq).to eq(section_ids)
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end
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context 'with an example file' do
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let(:raw_conflict_content) do
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<<~FILE
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# Ensure there is no match line header here
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def username_regexp
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default_regexp
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end
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<<<<<<< files/ruby/regex.rb
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def project_name_regexp
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/\A[a-zA-Z0-9][a-zA-Z0-9_\-\. ]*\z/
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end
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def name_regexp
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/\A[a-zA-Z0-9_\-\. ]*\z/
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=======
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def project_name_regex
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%r{\A[a-zA-Z0-9][a-zA-Z0-9_\-\. ]*\z}
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end
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def name_regex
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%r{\A[a-zA-Z0-9_\-\. ]*\z}
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>>>>>>> files/ruby/regex.rb
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end
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# Some extra lines
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# To force a match line
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# To be created
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def path_regexp
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default_regexp
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end
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<<<<<<< files/ruby/regex.rb
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def archive_formats_regexp
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/(zip|tar|7z|tar\.gz|tgz|gz|tar\.bz2|tbz|tbz2|tb2|bz2)/
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=======
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def archive_formats_regex
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%r{(zip|tar|7z|tar\.gz|tgz|gz|tar\.bz2|tbz|tbz2|tb2|bz2)}
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>>>>>>> files/ruby/regex.rb
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end
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def git_reference_regexp
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# Valid git ref regexp, see:
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# https://www.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html
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%r{
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(?!
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(?# doesn't begins with)
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\/| (?# rule #6)
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(?# doesn't contain)
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.*(?:
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[\/.]\.| (?# rule #1,3)
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\/\/| (?# rule #6)
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@\{| (?# rule #8)
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\\ (?# rule #9)
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)
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)
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[^\000-\040\177~^:?*\[]+ (?# rule #4-5)
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(?# doesn't end with)
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(?<!\.lock) (?# rule #1)
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(?<![\/.]) (?# rule #6-7)
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}x
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end
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protected
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<<<<<<< files/ruby/regex.rb
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def default_regexp
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/\A[.?]?[a-zA-Z0-9][a-zA-Z0-9_\-\.]*(?<!\.git)\z/
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=======
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def default_regex
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%r{\A[.?]?[a-zA-Z0-9][a-zA-Z0-9_\-\.]*(?<!\.git)\z}
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>>>>>>> files/ruby/regex.rb
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end
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FILE
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end
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let(:sections) { conflict_file.sections }
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it 'sets the correct match line headers' do
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expect(sections[0][:lines].first).to have_attributes(type: 'match', text: '@@ -3,14 +3,14 @@')
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expect(sections[3][:lines].first).to have_attributes(type: 'match', text: '@@ -19,26 +19,26 @@ def path_regexp')
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expect(sections[6][:lines].first).to have_attributes(type: 'match', text: '@@ -47,52 +47,52 @@ end')
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end
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it 'does not add match lines where they are not needed' do
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expect(sections[1][:lines].first.type).not_to eq('match')
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expect(sections[2][:lines].first.type).not_to eq('match')
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expect(sections[4][:lines].first.type).not_to eq('match')
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expect(sections[5][:lines].first.type).not_to eq('match')
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expect(sections[7][:lines].first.type).not_to eq('match')
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end
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it 'creates context sections of the correct length' do
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expect(sections[0][:lines].count { |line| line.type.nil? }).to eq(3)
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expect(sections[2][:lines].count { |line| line.type.nil? }).to eq(3)
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expect(sections[3][:lines].count { |line| line.type.nil? }).to eq(3)
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expect(sections[5][:lines].count { |line| line.type.nil? }).to eq(3)
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expect(sections[6][:lines].count { |line| line.type.nil? }).to eq(3)
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expect(sections[8][:lines].count { |line| line.type.nil? }).to eq(1)
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end
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end
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end
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describe '#as_json' do
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it 'includes the blob path for the file' do
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expect(conflict_file.as_json[:blob_path])
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.to eq("/#{project.full_path}/-/blob/#{our_commit.oid}/files/ruby/regex.rb")
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end
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it 'includes the blob icon for the file' do
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expect(conflict_file.as_json[:blob_icon]).to eq('doc-text')
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end
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context 'with the full_content option passed' do
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it 'includes the full content of the conflict' do
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expect(conflict_file.as_json(full_content: true)).to have_key(:content)
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end
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end
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end
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describe '#conflict_type' do
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using RSpec::Parameterized::TableSyntax
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let(:rugged_conflict) { { ancestor: { path: ancestor_path }, theirs: { path: their_path }, ours: { path: our_path } } }
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let(:diff_file) { double(renamed_file?: renamed_file?) }
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subject(:conflict_type) { conflict_file.conflict_type(diff_file) }
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where(:ancestor_path, :their_path, :our_path, :renamed_file?, :result) do
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'/ancestor/path' | '/their/path' | '/our/path' | false | :both_modified
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'/ancestor/path' | '' | '/our/path' | false | :modified_source_removed_target
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'/ancestor/path' | '/their/path' | '' | false | :modified_target_removed_source
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'' | '/their/path' | '/our/path' | false | :both_added
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'' | '' | '/our/path' | false | :removed_target_renamed_source
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'' | '' | '/our/path' | true | :renamed_same_file
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'' | '/their/path' | '' | false | :removed_source_renamed_target
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end
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with_them do
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it { expect(conflict_type).to eq(result) }
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end
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end
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end
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