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Back-end Engineering

136 learners

Red-Green-Refactor: Practicing TDD with JavaScript & Jest

This course focuses on practicing the core TDD workflow: "Red-Green-Refactor." You'll write failing tests (Red), implement code to pass them (Green), and refactor while keeping tests passing (Refactor). No new concepts are introduced—just hands-on practice with various requirements to sharpen your TDD skills.

Jest

TypeScript

See path

5 lessons

27 practices

3 hours

Programming, Algorithms, and Data Structures

Course details

Practice Red-Green-Refactor: Discount Calculation

Preview

Discount Calculation: Requirement #1

Discount Calculation: Requirement #2

Discount Calculation: Requirement #3

Discount Calculation: Requirement #4

Discount Calculation: Requirement #5

Discount Calculation: Requirement #6

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Next Course: Isolating Dependencies with Test Doubles with TypeScript & Jest

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