Do not allow_any_instance_of (unless you must)
The RSpec team says not to use `allow_any_instance_of`. So, why did they include it in RSpec in the first place?
Is DRY the Worst Programming Advice Ever?
DRY (or Don’t Repeat Yourself) was probably the first pearl of programming wisdom you learned when you began to explore software development. But, was it sage advice?
The Marick Test Matrix
Back in 2003, Brian Marick published an influential series of articles on agile testing. He was attempting to point the