Secret code holder class with no functionality
SecretCodeHolder has a secret code
SecretCodeHolder: all or nothing clue answers
SecretCodeHolder: answers one + if there is only one letter in the correct position
SecretCodeHolder: created a context in tests for + answers
SecretCodeHolder: answers '+'s correctly
SecretCodeHolder: last '+' tests
Using let() in tests
Using let() in tests
SecretCodeHolder: refactored get_clue_based_on
SecretCodeHolder now answers - correctly
SecretCodeHolder: tests with both + and -
SecretCodeHolder: refactor to revel intent