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Back-end Engineering

Red-Green-Refactor: Mastering TDD with Ruby & RSpec

Focus on the core TDD workflow: "Red-Green-Refactor." Develop skills by writing failing tests (Red), crafting code to pass them (Green), and refactoring while keeping tests passing (Refactor). This course emphasizes practice over new theory, allowing you to hone your TDD abilities with various coding challenges.

RSpec

Ruby

See path

5 lessons

27 practices

3 hours

Programming, Algorithms, and Data Structures

Course details

Practicing Test Driven Development with Ruby and RSpec

Preview

Applying a Percentage-Based Discount

Zero Discount Handling Task

Calculating Accurate Decimal Discounts

Negative Price Error Handling in Discount Calculation

Discount Function Error Handling and Calculation Task

Negative Discount Handling

Previous Course

Next Course: Isolating Dependencies with Test Doubles in Ruby & RSpec

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