require 'rails_helper' describe MochaAdapter do let(:adapter) { described_class.new } let(:count) { 42 } let(:failed) { 25 } let(:stderr) { "#{count-failed} passing (20ms)\n\n#{failed} failing" } describe '#parse_output' do it 'returns the correct numbers' do expect(adapter.parse_output(stderr: stderr)).to eq(count: count, failed: failed) end end end