A brand new book about developers' tests! It explains how to use Mockito and TestNG to write high quality, readable and maintainable unit tests. Contains loads of examples, concentrates on real-life issues, introduces useful techniques (TDD, matchers, mocks/stubs, parametrized tests) and tools (FEST Fluent Assertions, Unitils, catch-exception, PIT Mutation Testing, PowerMock), provides hints, best practices and warnings. Aimed at developers who want to improve their skills with regard to testing or who want to start writing unit tests. Available as e-book, but soon also in print. Over 450 pages of unit-testing goodness (310+ in PDF version)! Enjoy!