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Back-end Engineering

Red-Green-Refactor: Practicing TDD with Swift & XCTest

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.

Swift

XCTest

See path

5 lessons

27 practices

3 hours

Programming, Algorithms, and Data Structures

Course details

Test Driven Development with Swift and XCTest

Preview

Correct Discount Application Task

Zero Discount Handling Task

Decimal Discount Precision Task

Negative Price Handling Task

Discount Percentage Greater Than 100% Handling Task

Negative Discount Percentage Handling Task

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Next Course: Isolating Dependencies with Test Doubles with Swift & XCTest

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