Unit Testing & Spring Test Framework

Testing Software From Developers' Point-of-View

Unit Tests...

  • verify the functionality of a specific section of code

  • written by developers
  • white-box style testing

  • usually at the method level

  • in OOP, usually at the class level

  • automated tests as documentation

Unit Tests...

  • find problems early
  • easier refactoring

Unit Tests...

  • like writing client for your code
  • make you to look at the user's (other developer's or just yourself's) perspective

Unit Tests...

"A failure in a high-level test is not just a bug in functional code, it's also a missing unit test"

~Martin Fowler

Unit Tests & TDD

Test-Driven Development lifecycle

How to Practice on Unit Testing & TDD?

Code Coverage...

is a measure used to describe the degree to which the source code of a program is executed when a particular test suite runs.

Metrics:

  • Line coverage
  • Method coverage
  • Class coverage

Code Coverage...

"I get paid for code that works, not for tests, so my philosophy is to test as little as possible to reach a given level of confidence..."
~Kent Beck

Continuous Integration

In XP, CI was intended to be used in combination with automated unit tests written through the practices of test-driven development.

Unit Testing Libraries for Java

Unit Testing Examples for Java

Contains various testing examples for Java projects:

https://github.com/ufuk/testing-example-collection-for-java

DEMO

Unit Testing & Spring Test Framework

By Ufuk Uzun

Unit Testing & Spring Test Framework

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