1 Effective and systematic software testing

This chapter covers

  • Understanding the importance of effective, systematic testing
  • Recognizing why testing software is difficult and why bug-free systems do not exist
  • Introducing the testing pyramid

The developer community no longer needs to argue about the importance of software testing. Every software developer understands that software failures may cause severe damage to businesses, people, or even society as a whole. And although software developers once were primarily responsible for building software systems, today they are also responsible for the quality of the software systems they produce.

Our community has produced several world-class tools to help developers test, including JUnit, AssertJ, ...

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