In general I write unit tests as I implement. I would not write them unless I was convinced they were immediately beneficial to my productivity. Some parts of m

In general I write unit tests as I implement. I would not write them unless I was convinced they were immediately beneficial to my productivity. Some parts of my code is not covered. In the beginning the test cases just outputs the result to standard out, in the end I would use assertions or disable them if they were dependent on external systems.