There is this free book, https://www.obeythetestinggoat.com/ https://www.obeythetestinggoat.com/, which is also available in print for O'Reilly. Manning has htt

There is this free book, https://www.obeythetestinggoat.com/ https://www.obeythetestinggoat.com/, which is also available in print for O'Reilly. Manning has https://www.manning.com/books/unit-testing https://www.manning.com/books/unit-testing.