diff options
Diffstat (limited to 'lisp/emacs-lisp/ert.el')
| -rw-r--r-- | lisp/emacs-lisp/ert.el | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lisp/emacs-lisp/ert.el b/lisp/emacs-lisp/ert.el index e31ebf5f7bb..9c6b0e15bbe 100644 --- a/lisp/emacs-lisp/ert.el +++ b/lisp/emacs-lisp/ert.el @@ -335,15 +335,20 @@ It should only be stopped when ran from inside `ert--run-test-internal'." (unless (eql ,value ',default-value) (list :value ,value)) (unless (eql ,value ',default-value) - (let ((-explainer- - (and (symbolp ',fn-name) - (get ',fn-name 'ert-explainer)))) - (when -explainer- - (list :explanation - (apply -explainer- ,args)))))) + (when-let ((-explainer- + (ert--get-explainer ',fn-name))) + (list :explanation + (apply -explainer- ,args))))) value) ,value)))))))) +(defun ert--get-explainer (fn-name) + (when (symbolp fn-name) + (cl-loop for fn in (cons fn-name (function-alias-p fn-name)) + for explainer = (get fn 'ert-explainer) + when explainer + return explainer))) + (defun ert--expand-should (whole form inner-expander) "Helper function for the `should' macro and its variants. |