Overview
-
Learn how to use RSpec, the Ruby testing framework that can help developers be more productive, write better code, and reduce bugs during development.
Syllabus
-
Introduction
- Welcome
- How to use the exercise files
- What is RSpec?
- Why software tests are important
- Thinking in user stories
- Writing good tests
- Installing Ruby and RubyGems
- Installing RSpec
- Configuration
- Target code and the spec file
- Basic syntax
- Writing specs
- Running specs
- Skipping examples and working with pending examples
- Fundamentals
- A deprecated modifier: should
- Equivalence matchers
- Truthiness matchers
- Numeric comparison matchers
- Collections
- Other useful matchers
- Predicate matchers
- Observation matchers
- Complex expectations
- Helper methods
- Hooks: before, after, and around
- Using the let method
- Setting a subject
- Implicitly defined subjects
- Shared examples
- What are test doubles?
- Using mocks and stubs
- Partial test doubles
- Message expectations
- Message argument constraints
- Message count constraints
- Spies
- Food-finder application
- Challenge: NumberHelper
- Solution: NumberHelper
- Challenge: StringExtend
- Solution: StringExtend
- Challenge: Restaurant
- Solution: Restaurant
- Challenge: Guide
- Solution: Guide
- Installing
- Generators
- Test database
- Transactional examples
- Model specs
- Helper specs
- Controller specs: Requests
- Controller specs: Responses
- View specs
- What is TDD?
- A TDD example: Part one
- A TDD example: Part two
- A TDD example: Part three
- A TDD example: Part four
- Benefits and disadvantages
- Fixtures and factories
- Acceptance testing
- Automatic testing
- Other tools
- Goodbye
