require 'spec_helper' describe DiffViewer::ServerSide do set(:project) { create(:project, :repository) } let(:commit) { project.commit_by(oid: '570e7b2abdd848b95f2f578043fc23bd6f6fd24d') } let!(:diff_file) { commit.diffs.diff_file_with_new_path('files/ruby/popen.rb') } let(:viewer_class) do Class.new(DiffViewer::Base) do include DiffViewer::ServerSide end end subject { viewer_class.new(diff_file) } describe '#prepare!' do it 'loads all diff file data' do expect(Blob).to receive(:lazy).at_least(:twice) subject.prepare! end end describe '#render_error' do context 'when the diff file is stored externally' do before do allow(diff_file).to receive(:stored_externally?).and_return(true) end it 'return :server_side_but_stored_externally' do expect(subject.render_error).to eq(:server_side_but_stored_externally) end end end describe '#render_error_reason' do context 'when the diff file is stored externally' do before do allow(diff_file).to receive(:stored_externally?).and_return(true) end it 'returns error message if stored in LFS' do allow(diff_file).to receive(:external_storage).and_return(:lfs) expect(subject.render_error_message).to include('it is stored in LFS') end it 'returns error message if stored externally' do allow(diff_file).to receive(:external_storage).and_return(:foo) expect(subject.render_error_message).to include('it is stored externally') end end end end