require 'spec_helper' describe DiffFileEntity do include RepoHelpers let(:project) { create(:project, :repository) } let(:repository) { project.repository } let(:commit) { project.commit(sample_commit.id) } let(:diff_refs) { commit.diff_refs } let(:diff) { commit.raw_diffs.first } let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs: diff_refs, repository: repository) } let(:entity) { described_class.new(diff_file, request: {}) } subject { entity.as_json } shared_examples 'diff file entity' do it 'exposes correct attributes' do expect(subject).to include( :submodule, :submodule_link, :submodule_tree_url, :file_path, :deleted_file, :old_path, :new_path, :mode_changed, :a_mode, :b_mode, :text, :old_path_html, :new_path_html, :highlighted_diff_lines, :parallel_diff_lines, :blob, :file_hash, :added_lines, :removed_lines, :diff_refs, :content_sha, :stored_externally, :external_storage, :too_large, :collapsed, :new_file, :context_lines_path ) end # Converted diff files from GitHub import does not contain blob file # and content sha. context 'when diff file does not have a blob and content sha' do it 'exposes some attributes as nil' do allow(diff_file).to receive(:content_sha).and_return(nil) allow(diff_file).to receive(:blob).and_return(nil) expect(subject[:context_lines_path]).to be_nil expect(subject[:view_path]).to be_nil expect(subject[:highlighted_diff_lines]).to be_nil expect(subject[:can_modify_blob]).to be_nil end end end context 'when there is no merge request' do it_behaves_like 'diff file entity' end context 'when there is a merge request' do let(:user) { create(:user) } let(:request) { EntityRequest.new(project: project, current_user: user) } let(:merge_request) { create(:merge_request, source_project: project, target_project: project) } let(:entity) { described_class.new(diff_file, request: request, merge_request: merge_request) } let(:exposed_urls) { %i(load_collapsed_diff_url edit_path view_path context_lines_path) } it_behaves_like 'diff file entity' it 'exposes additional attributes' do expect(subject).to include(*exposed_urls) expect(subject).to include(:replaced_view_path) end it 'points all urls to merge request target project' do response = subject exposed_urls.each do |attribute| expect(response[attribute]).to include(merge_request.target_project.to_param) end end end context '#parallel_diff_lines' do it 'exposes parallel diff lines correctly' do response = subject lines = response[:parallel_diff_lines] # make sure at least one line is present for each side expect(lines.map { |line| line[:right] }.compact).to be_present expect(lines.map { |line| line[:left] }.compact).to be_present # make sure all lines are in correct format lines.each do |parallel_line| expect(parallel_line[:left].as_json).to match_schema('entities/diff_line') if parallel_line[:left] expect(parallel_line[:right].as_json).to match_schema('entities/diff_line') if parallel_line[:right] end end end end