require 'spec_helper' describe Projects::CompareController do let(:project) { create(:project, :repository) } let(:user) { create(:user) } let(:ref_from) { "improve%2Fawesome" } let(:ref_to) { "feature" } before do sign_in(user) project.team << [user, :master] end it 'compare shows some diffs' do get(:show, namespace_id: project.namespace, project_id: project, from: ref_from, to: ref_to) expect(response).to be_success expect(assigns(:diffs).diff_files.first).not_to be_nil expect(assigns(:commits).length).to be >= 1 end it 'compare shows some diffs with ignore whitespace change option' do get(:show, namespace_id: project.namespace, project_id: project, from: '08f22f25', to: '66eceea0', w: 1) expect(response).to be_success diff_file = assigns(:diffs).diff_files.first expect(diff_file).not_to be_nil expect(assigns(:commits).length).to be >= 1 # without whitespace option, there are more than 2 diff_splits diff_splits = diff_file.diff.diff.split("\n") expect(diff_splits.length).to be <= 2 end describe 'non-existent refs' do it 'uses invalid source ref' do get(:show, namespace_id: project.namespace, project_id: project, from: 'non-existent', to: ref_to) expect(response).to be_success expect(assigns(:diffs).diff_files.to_a).to eq([]) expect(assigns(:commits)).to eq([]) end it 'uses invalid target ref' do get(:show, namespace_id: project.namespace, project_id: project, from: ref_from, to: 'non-existent') expect(response).to be_success expect(assigns(:diffs)).to eq(nil) expect(assigns(:commits)).to eq(nil) end it 'redirects back to index when params[:from] is empty and preserves params[:to]' do post(:create, namespace_id: project.namespace, project_id: project, from: '', to: 'master') expect(response).to redirect_to(namespace_project_compare_index_path(project.namespace, project, to: 'master')) end it 'redirects back to index when params[:to] is empty and preserves params[:from]' do post(:create, namespace_id: project.namespace, project_id: project, from: 'master', to: '') expect(response).to redirect_to(namespace_project_compare_index_path(project.namespace, project, from: 'master')) end it 'redirects back to index when params[:from] and params[:to] are empty' do post(:create, namespace_id: project.namespace, project_id: project, from: '', to: '') expect(response).to redirect_to(namespace_project_compare_index_path) end end describe 'GET diff_for_path' do def diff_for_path(extra_params = {}) params = { namespace_id: project.namespace, project_id: project } get :diff_for_path, params.merge(extra_params) end let(:existing_path) { 'files/ruby/feature.rb' } context 'when the from and to refs exist' do context 'when the user has access to the project' do context 'when the path exists in the diff' do it 'disables diff notes' do diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path) expect(assigns(:diff_notes_disabled)).to be_truthy end it 'only renders the diffs for the path given' do expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs| expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path) meth.call(diffs) end diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path) end end context 'when the path does not exist in the diff' do before do diff_for_path(from: ref_from, to: ref_to, old_path: existing_path.succ, new_path: existing_path.succ) end it 'returns a 404' do expect(response).to have_http_status(404) end end end context 'when the user does not have access to the project' do before do project.team.truncate diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path) end it 'returns a 404' do expect(response).to have_http_status(404) end end end context 'when the from ref does not exist' do before do diff_for_path(from: ref_from.succ, to: ref_to, old_path: existing_path, new_path: existing_path) end it 'returns a 404' do expect(response).to have_http_status(404) end end context 'when the to ref does not exist' do before do diff_for_path(from: ref_from, to: ref_to.succ, old_path: existing_path, new_path: existing_path) end it 'returns a 404' do expect(response).to have_http_status(404) end end end end