RSpec Expectations

rspec-expectations adds should and should_not to every object and includes several standard matchers in RSpec::Matchers

Install

gem install rspec               # for rspec-core, rspec-expectations, rspec-mocks
gem install rspec-expectations  # for rspec-expectations only

Matchers

Matchers are objects used to compose expectations:

result.should eq("this value")

In that example, eq("this value") returns a Matcher object that compares the actual result to the expected "this value".

Also see