diff options
| -rw-r--r-- | modules/calendar-sync.el | 32 | ||||
| -rw-r--r-- | tests/test-calendar-sync.el | 45 |
2 files changed, 67 insertions, 10 deletions
diff --git a/modules/calendar-sync.el b/modules/calendar-sync.el index 804d71fa..d504f246 100644 --- a/modules/calendar-sync.el +++ b/modules/calendar-sync.el @@ -300,16 +300,28 @@ When called non-interactively with nil, syncs all calendars." ;;; Timer management (defun calendar-sync--sync-timer-function () - "Function called by sync timer. -Checks for timezone changes and triggers re-sync if detected." - (when (calendar-sync--timezone-changed-p) - (let ((old-tz (calendar-sync--format-timezone-offset - calendar-sync--last-timezone-offset)) - (new-tz (calendar-sync--format-timezone-offset - (calendar-sync--current-timezone-offset)))) - (message "calendar-sync: Timezone change detected (%s → %s), re-syncing..." - old-tz new-tz))) - (calendar-sync--sync-all-calendars)) + "Function called by the hourly sync timer. +Checks for timezone changes and triggers re-sync if detected. + +The body is wrapped so a signal — from the timezone check or the sync +fan-out — is caught and logged rather than propagated: this runs from a +`run-at-time' timer, and an unguarded error would repeat on every tick, +once an hour, indefinitely. The timezone-change notice goes to the silent +log, not the echo area, since an hourly timer must not spam `message'." + (condition-case err + (progn + (when (calendar-sync--timezone-changed-p) + (let ((old-tz (calendar-sync--format-timezone-offset + calendar-sync--last-timezone-offset)) + (new-tz (calendar-sync--format-timezone-offset + (calendar-sync--current-timezone-offset)))) + (calendar-sync--log-silently + "calendar-sync: Timezone change detected (%s → %s), re-syncing..." + old-tz new-tz))) + (calendar-sync--sync-all-calendars)) + (error + (calendar-sync--log-silently + "calendar-sync: sync timer error: %s" (error-message-string err))))) ;;;###autoload (defun calendar-sync-start () diff --git a/tests/test-calendar-sync.el b/tests/test-calendar-sync.el index f562cfc6..8a7c2549 100644 --- a/tests/test-calendar-sync.el +++ b/tests/test-calendar-sync.el @@ -713,5 +713,50 @@ Valid events should be parsed, invalid ones skipped." (should-not (and org-content (string-match-p "OutOfRangeEvent" org-content))))) +;;; calendar-sync--sync-timer-function — hourly-timer body hygiene + +(ert-deftest test-calendar-sync-timer-function-does-not-propagate-a-signal () + "Error: a signal in the timer body is caught, not propagated. +The function runs from an hourly `run-at-time' timer. An unguarded signal +in the timezone check or the sync fan-out would error on every tick — the +same error, once an hour, forever. It must swallow-and-log instead." + (cl-letf (((symbol-function 'calendar-sync--timezone-changed-p) + (lambda (&rest _) (error "boom from the timezone check"))) + ((symbol-function 'calendar-sync--sync-all-calendars) #'ignore) + ((symbol-function 'calendar-sync--log-silently) #'ignore)) + ;; Must return normally rather than signal. + (should (progn (calendar-sync--sync-timer-function) t)))) + +(ert-deftest test-calendar-sync-timer-function-signal-in-sync-is-caught () + "Error: a signal from the sync fan-out is also caught, not propagated." + (cl-letf (((symbol-function 'calendar-sync--timezone-changed-p) #'ignore) + ((symbol-function 'calendar-sync--sync-all-calendars) + (lambda (&rest _) (error "boom from sync-all"))) + ((symbol-function 'calendar-sync--log-silently) #'ignore)) + (should (progn (calendar-sync--sync-timer-function) t)))) + +(ert-deftest test-calendar-sync-timer-function-timezone-change-is-not-echoed () + "Normal: a detected timezone change is logged silently, not echoed. +An hourly timer that calls `message' spams the echo area; the notice belongs +in the silent log like the module's other timer-path notices." + (let (silent-logged echoed) + (cl-letf (((symbol-function 'calendar-sync--timezone-changed-p) + (lambda (&rest _) t)) + ((symbol-function 'calendar-sync--format-timezone-offset) + (lambda (&rest _) "UTC+0")) + ((symbol-function 'calendar-sync--current-timezone-offset) + (lambda (&rest _) 0)) + ((symbol-function 'calendar-sync--sync-all-calendars) #'ignore) + ((symbol-function 'calendar-sync--log-silently) + (lambda (fmt &rest _) (when (string-match-p "Timezone" fmt) + (setq silent-logged t)))) + ((symbol-function 'message) + (lambda (fmt &rest _) (when (and (stringp fmt) + (string-match-p "Timezone" fmt)) + (setq echoed t))))) + (calendar-sync--sync-timer-function) + (should silent-logged) + (should-not echoed)))) + (provide 'test-calendar-sync) ;;; test-calendar-sync.el ends here |