Our group continues to evolve the rental tests from the previous chapter, finding that it’s good to use a common
SetUp while avoiding unnecessary interactions between tests. The group finds that it’s easy, after all, to write tests that depend on the date and time.
When tackling business transactions, the group makes such transactions explicit in the tests. Finally, the group develops sad-path tests, which check when things go wrong.
On Thursday, Emily, Don, and Sarah continued with the tests. Emily suggested that they start with deposits: “That seems simple and would be a good warmup ...