Effective Testing with RSpec 3

Using Parts of RSpec With Other Test Frameworks

Sometimes, you’ll want to use the powerful test doubles available in rspec-mocks, or the composable matchers provided by rspec-expectations, in a project where the rest of RSpec isn’t a good fit. For instance, you may already have an extensive test suite written in Minitest, or you may be writing acceptance tests in Cucumber.^[124][125]

Both of these parts of RSpec are easy to use with other test frameworks, or even without a test framework at all. In fact, you’ve already done so in ​Parts of an Expectation​ and throughout Chapter 13, ​Understanding Test Doubles​.

If you’re using Minitest, RSpec provides a couple of conveniences for you, including the following:

• Reporting unmet expectations correctly ...