What to read about the theory of unit testing?

Question

PHP

What can you read (preferably in Russian and not a multi-volume book) about unit testing? Not examples of implementations in a particular language (but preferably in application to the web, php), but how, why to apply, where it is better to do without them, if there are such cases, how best to test models, controllers?

Answer 1

I can recommend these books:
- xUnit testing templates. Test code refactoring
- Refactoring. Improving Existing Code
- Extreme Programming: Test Driven Development
As for testing MVC applications in php, I can share some experience myself.

Answer 2

GOOS: growing object oriented sowftware: www.growing-object-oriented-software.com/