Should Python unittests be in a separate module?

Question

Is there a consensus about the best place to put Python unittests?

Should the unittests be included within the same module as the functionality being tested (executed wh

Answer 1

Personally, I create a tests/ folder in my source directory and try to, more or less, mirror my main source code hierarchy with unit test equivalents (having 1 module = 1 unit test module as a rule of thumb).

Note that I'm using nose and its philosophy is a bit different than unittest's.