require 'spec_helper' describe BlobViewer::Changelog do include FakeBlobHelpers let(:project) { create(:project, :repository) } let(:blob) { fake_blob(path: 'CHANGELOG') } subject { described_class.new(blob) } describe '#render_error' do context 'when there are no tags' do before do allow(project.repository).to receive(:tag_count).and_return(0) end it 'returns :no_tags' do expect(subject.render_error).to eq(:no_tags) end end context 'when there are tags' do it 'returns nil' do expect(subject.render_error).to be_nil end end end end