100 Go Mistakes and How to Avoid Them

11 Testing

This chapter covers

• Categorizing tests and making them more robust
• Making Go tests deterministic
• Working with utility packages such as httptest and iotest
• Avoiding common benchmark mistakes
• Improving the testing process

Testing is a crucial aspect of a project’s lifecycle. It offers countless benefits, such as building confidence in an application, acting as code documentation, and making refactoring easier. Compared to some other languages, Go has strong primitives for writing tests. Throughout this chapter, we look at common mistakes that make the testing process brittle, less effective, and less accurate.

11.1 #82: Not categorizing tests

The testing pyramid is a model that groups tests into different categories (see figure 11.1). ...