Isolating Dependencies with Test Doubles using JUnit & Mockito | CodeSignal Learn

Software Engineering

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Isolating Dependencies with Test Doubles using JUnit & Mockito

Discover the pivotal role of test doubles in modern software testing. This introductory course 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.

Java

JUnit

Mockito

5 lessons

26 practices

Less than 4 hours

Course details

Isolating Dependencies with Test Doubles: Dummies

Understanding EmailService in TDD with Dummy Implementations

Enhancing Logger Interface with Severity Parameter

Identifying and Fixing Bugs in EmailService Tests

Implementing Dummy Dependencies in EmailService Tests

Implementing Test Doubles for NewsletterService

Previous Course Next Course: Refactoring by Leveraging Tests with Java & JUnit

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