Myron Marston started using RSpec in 2009 and began contributing to it in 2010. He’s been its principal maintainer since late 2012. Here are just of the few major improvements he’s made to RSpec:
Composable matchers, which express exactly the pass/fail criteria you need
rspec --bisect, which finds the minimal set of test cases to reproduce a failure
Integrating RSpec’s assertions and mocking libraries with the Minitest framework that ships with Ruby
The --only-failures and --next-failure options that let you rerun just your failing tests so that you can fix bugs more quickly
With the insider knowledge Myron provides in this book, you’ll learn all of these techniques and more. By the end, you’ll be able to get free of just about any ...