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CodeSignal

Isolating Dependencies with Test Doubles with TypeScript & Jest

via CodeSignal

Overview

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.

Syllabus

  • Lesson 1: Isolating Dependencies with Test Doubles: Dummies
  • Lesson 2: Isolating Dependencies with Test Doubles: Stubs
  • Lesson 3: Utilizing Spies in Test Driven Development with Jest
  • Lesson 4: Mocking Dependencies with Jest in TDD
  • Lesson 5: Isolating Dependencies with Test Doubles: Fakes

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