> TDDing an API... Yes and no. Depends how you "write" those tests. In this case, where you describe the scenarios, it is indeed true. However you can take a d

> TDDing an API... Yes and no. Depends how you "write" those tests. In this case, where you describe the scenarios, it is indeed true. However you can take a different approach – without writing explicit tests (and thus the client code). Rather you just describe your API in a sort of contract and then, as you iterate, you verify the implementation is living up to this contract...