The Current State of the Art In the Ruby world there is a wealth of metrics which can provide insight into our code. Looking at such things as: Structural similar code (Flay) Complexity (Flog) Cyclic complexity (Saikuro) Code smells (Reek) Design issues (Roodi) File change frequencies (Churn) When it comes to metrics involving our tests we have: Code coverage (Rcov) Tools to help identify missed e