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Testing Mastery: JUnit, Mockito & Integration Tests · Lesson

Unit vs. Integration Tests

Clearly distinguish between unit and integration tests, understanding their scope and purpose in the testing pyramid.

Welcome to Testing Types

In software development, testing is crucial. But not all tests are the same! We'll explore two fundamental types: Unit Tests and Integration Tests.

Understanding their differences helps you write effective tests and build robust applications.

Understanding 'A Unit'

Before we dive into unit tests, what exactly is a "unit"?

  • A unit is the smallest testable part of an application.
  • This could be a single method, a class, or a small module.
  • The key is that it performs a specific, isolated function.

All lessons in this course

  1. Unit vs. Integration Tests
  2. Setting Up Integration Tests
  3. Testing Database Interactions
  4. Testing External APIs with WireMock
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