RSpec Expectations RSpec::Expectations lets you express expected outcomes on an object in an example. expect(account.balance).to eq(Money.new(37.42, :USD)) Install If you want to use rspec-expectations with rspec, just install the rspec gem and RubyGems will also install rspec-expectations for you (along with rspec-core and rspec-mocks): gem install rspec Want to run against the main branch? You'l