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Diffstat (limited to 'tests/test-telega-config--server-death.el')
| -rw-r--r-- | tests/test-telega-config--server-death.el | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/tests/test-telega-config--server-death.el b/tests/test-telega-config--server-death.el new file mode 100644 index 00000000..1151fa7e --- /dev/null +++ b/tests/test-telega-config--server-death.el @@ -0,0 +1,131 @@ +;;; test-telega-config--server-death.el --- Tests for the telega-server death alert -*- lexical-binding: t; -*- + +;;; Commentary: +;; Tests for the telega-server death sentinel. telega's own sentinel only +;; calls `message' on an abnormal exit, which scrolls away unseen -- so a +;; dead server reads as a quiet Telegram. These pin the alert that replaces +;; that silence. + +;;; Code: + +(require 'ert) +(require 'cl-lib) + +(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory)) +(require 'telega-config) + +;; -- cj/--telega-server-death-p ---------------------------------------------- + +(ert-deftest test-telega-config-death-p-nonzero-status-is-death () + "Normal: a non-zero exit status is an abnormal death." + (should (cj/--telega-server-death-p 1)) + (should (cj/--telega-server-death-p 139))) + +(ert-deftest test-telega-config-death-p-segv-signal-is-death () + "Normal: a signal number (SIGSEGV is 11) counts as death. +This is the observed failure -- the server segfaults rather than exiting." + (should (cj/--telega-server-death-p 11))) + +(ert-deftest test-telega-config-death-p-zero-is-clean-exit () + "Boundary: exit status 0 is a clean shutdown and must not alert. +Quitting telega deliberately would otherwise page on every exit." + (should-not (cj/--telega-server-death-p 0))) + +(ert-deftest test-telega-config-death-p-nil-is-not-death () + "Boundary: nil status (no status available) is not a death." + (should-not (cj/--telega-server-death-p nil))) + +(ert-deftest test-telega-config-death-p-non-integer-is-not-death () + "Error: a non-integer status returns nil rather than signalling. +`process-exit-status' is documented to return an integer, but this runs +inside telega's sentinel where an error would disrupt telega's own cleanup." + (should-not (cj/--telega-server-death-p "segfault")) + (should-not (cj/--telega-server-death-p 'exited))) + +;; -- cj/--telega-server-exit-status ------------------------------------------ + +(ert-deftest test-telega-config-exit-status-nil-for-non-process () + "Error: a nil or non-process argument yields nil, not a signal. +The sentinel hands us whatever it has; a bad object must not break telega." + (should-not (cj/--telega-server-exit-status nil)) + (should-not (cj/--telega-server-exit-status "not-a-process"))) + +;; -- cj/--telega-server-death-body ------------------------------------------- + +(ert-deftest test-telega-config-death-body-names-status-and-effect () + "Normal: the body carries the status and says coverage is affected. +The status distinguishes a segfault from a clean kill; the effect is why +the reader should care." + (let ((body (cj/--telega-server-death-body 11 "segmentation fault\n"))) + (should (string-match-p "11" body)) + (should (string-match-p "Telegram" body)))) + +(ert-deftest test-telega-config-death-body-strips-trailing-newline () + "Boundary: a sentinel event string ends in a newline; it must not survive. +A trailing newline in a desktop notification body renders as dead space." + (let ((body (cj/--telega-server-death-body 11 "segmentation fault\n"))) + (should-not (string-suffix-p "\n" body)))) + +(ert-deftest test-telega-config-death-body-handles-empty-event () + "Boundary: an empty or nil event still produces a usable body." + (should (stringp (cj/--telega-server-death-body 11 nil))) + (should (stringp (cj/--telega-server-death-body 11 ""))) + (should (string-match-p "11" (cj/--telega-server-death-body 11 nil)))) + +(ert-deftest test-telega-config-death-body-handles-unicode-event () + "Boundary: a non-ASCII event string passes through intact." + (let ((body (cj/--telega-server-death-body 1 "ошибка сервера\n"))) + (should (string-match-p "ошибка" body)))) + +;; -- cj/--telega-server-notify-death (the advice) ---------------------------- + +(defmacro test-telega-config--with-status (status captured &rest body) + "Run BODY with the exit status forced to STATUS. +Notification calls are captured into CAPTURED as (TITLE . BODY) pairs." + (declare (indent 2)) + `(let ((,captured nil)) + (cl-letf (((symbol-function 'cj/--telega-server-exit-status) + (lambda (&rest _) ,status)) + ((symbol-function 'cj/--telega-server-send-notification) + (lambda (title body) (push (cons title body) ,captured)))) + ,@body))) + +(ert-deftest test-telega-config-notify-fires-on-abnormal-exit () + "Normal: an abnormal exit sends exactly one notification." + (test-telega-config--with-status 11 sent + (cj/--telega-server-notify-death nil "segmentation fault\n") + (should (= 1 (length sent))) + (should (string-match-p "telega" (downcase (car (car sent))))))) + +(ert-deftest test-telega-config-notify-silent-on-clean-exit () + "Boundary: a clean exit sends nothing. +Deliberately quitting telega must not page." + (test-telega-config--with-status 0 sent + (cj/--telega-server-notify-death nil "finished\n") + (should-not sent))) + +(ert-deftest test-telega-config-notify-silent-without-status () + "Boundary: no recoverable status sends nothing rather than a bare alert." + (test-telega-config--with-status nil sent + (cj/--telega-server-notify-death nil "gone\n") + (should-not sent))) + +(ert-deftest test-telega-config-notify-contains-notifier-errors () + "Error: a failing notifier must not escape into telega's sentinel. +This runs as :after advice on `telega-server--sentinel'; an error here +would abort telega's own status handling and its relogin path." + (cl-letf (((symbol-function 'cj/--telega-server-exit-status) + (lambda (&rest _) 11)) + ((symbol-function 'cj/--telega-server-send-notification) + (lambda (&rest _) (error "notifier unavailable")))) + (should (progn (cj/--telega-server-notify-death nil "segfault\n") t)))) + +(ert-deftest test-telega-config-notify-advice-is-named-and-removable () + "Normal: the sentinel advice is installed by name, so it can be removed. +An anonymous lambda can't be `advice-remove'd by reference, which strands +the old advice in a live daemon after the source stops installing it." + (should (fboundp 'cj/--telega-server-notify-death)) + (should (symbolp 'cj/--telega-server-notify-death))) + +(provide 'test-telega-config--server-death) +;;; test-telega-config--server-death.el ends here |