diff options
| -rw-r--r-- | modules/slack-config.el | 5 | ||||
| -rw-r--r-- | tests/test-slack-config-reactions.el | 8 |
2 files changed, 12 insertions, 1 deletions
diff --git a/modules/slack-config.el b/modules/slack-config.el index 9eb9f838..e0ad5b75 100644 --- a/modules/slack-config.el +++ b/modules/slack-config.el @@ -197,7 +197,10 @@ so the Slack buffer stays usable." "Add a reaction to the current Slack message using a curated shortlist. Errors if called outside a Slack message buffer." (interactive) - (let ((buf (or slack-current-buffer + ;; boundp guard: the defvar above declares the var with no value, so it is + ;; void until slack.el loads -- a bare read on a cold call would signal + ;; void-variable instead of this friendly error. + (let ((buf (or (and (boundp 'slack-current-buffer) slack-current-buffer) (user-error "Not in a Slack buffer")))) (when-let* ((team (slack-buffer-team buf)) (reaction (cj/slack-select-reaction team))) diff --git a/tests/test-slack-config-reactions.el b/tests/test-slack-config-reactions.el index 491b8147..bfcf3e29 100644 --- a/tests/test-slack-config-reactions.el +++ b/tests/test-slack-config-reactions.el @@ -92,5 +92,13 @@ (let ((slack-current-buffer nil)) (should-error (cj/slack-message-add-reaction) :type 'user-error))) +(ert-deftest test-slack-config-message-add-reaction-errors-before-slack-loads () + "Error: a cold call before slack.el ever loads gives the friendly user-error. +The module defvars slack-current-buffer with no value, so until slack.el +binds it the variable is void -- a bare read signals void-variable instead +of the intended \"Not in a Slack buffer\"." + (makunbound 'slack-current-buffer) + (should-error (cj/slack-message-add-reaction) :type 'user-error)) + (provide 'test-slack-config-reactions) ;;; test-slack-config-reactions.el ends here |