I just want to note that original code wasn't covered with unit tests and the rewrite is not going to make it any more suitable for testing (as you expected, no

I just want to note that original code wasn't covered with unit tests and the rewrite is not going to make it any more suitable for testing (as you expected, no tests were added during the rewrite). On the critical note, http://pythontesting.net/strategy/why-most-unit-testing-is-waste/ http://pythontesting.net/strategy/why-most-unit-testing-is-w... is a good complementary read.