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Back-end Engineering

Isolating Dependencies with Test Doubles with Swift & XCTest

Discover the pivotal role of test doubles in modern software testing. This introductory session will guide you through the essentials of dummies, stubs, spies, mocks, and fakes. Learn how these powerful tools help you isolate units under test, control behavior, and build reliable, fast, and maintainable tests. Step into the world of test doubles and elevate your software development skills.

Swift

XCTest

See path

5 lessons

25 practices

3 hours

Programming, Algorithms, and Data Structures

Course details

Introduction to Dependencies in Testing with Swift

Preview

Understanding EmailService with Dummies in TDD

Enhancing DummyLogger with Severity Parameter in EmailService

Fixing Test Suite for EmailService in Swift

Enhancing EmailService with Dummy Dependencies in Swift

Enhancing NewsletterService with Dummy Dependencies in Swift

Previous Course

Next Course: Refactoring by Leveraging Your Tests with Swift and XCTest

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