Testing Overview

What is testing?

• Automated testing
• Code that tests your code!
• Remember -- your tests are untested code.

Why test?

You say your code works eh... would be a shame if something were to... test it.

• Prove that your code works
• Catch bugs before they're released
• Guard against regressions -- unintended side effects of your brand new feature
• Make changes and refactor with confidence!
• Improve the design of your code

What is RSpec?

Straight from the RSpec docs...

RSpec is a DSL for creating executable examples of how code is expected to
behave, organized in groups. It uses the words "describe" and "it" so we can
express concepts like a conversation:

"Describe an account when it is first opened."
"It has a balance of zero."

https://relishapp.com/rspec/rspec-core/v/3-4/docs/example-groups/basic-structure-describe-it