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;;; erc-scenarios-stamp.el --- Misc `erc-stamp' scenarios -*- lexical-binding: t -*-
;; Copyright (C) 2023-2025 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert-x)
(eval-and-compile
(let ((load-path (cons (ert-resource-directory) load-path)))
(require 'erc-scenarios-common)))
(require 'erc-stamp)
(defvar erc-scenarios-stamp--user-marker nil)
(defun erc-scenarios-stamp--on-post-modify ()
(when-let (((erc--check-msg-prop 'erc--cmd 4)))
(set-marker erc-scenarios-stamp--user-marker (point-max))
(ert-info ("User marker correctly placed at `erc-insert-marker'")
(should (= ?\n (char-before erc-scenarios-stamp--user-marker)))
(should (= erc-scenarios-stamp--user-marker erc-insert-marker))
(save-excursion
(goto-char erc-scenarios-stamp--user-marker)
;; The raw message ends in " Iabefhkloqv". However,
;; `erc-server-004' only prints up to the 5th parameter.
(should (looking-back "CEIMRUabefhiklmnoqstuv\n"))))))
(ert-deftest erc-scenarios-stamp--left/display-margin-mode ()
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "base/reconnect")
(dumb-server (erc-d-run "localhost" t 'unexpected-disconnect))
(port (process-contact dumb-server :service))
(erc-scenarios-stamp--user-marker (make-marker))
(erc-stamp--current-time 704591940)
(erc-stamp--tz t)
(erc-server-flood-penalty 0.1)
(erc-insert-timestamp-function #'erc-insert-timestamp-left)
(erc-modules (cons 'fill-wrap erc-modules))
(erc-timestamp-only-if-changed-flag nil)
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:full-name "tester"
:nick "tester")
(add-hook 'erc-insert-post-hook #'erc-scenarios-stamp--on-post-modify
nil t)
(funcall expect 5 "This server is in debug mode")
(ert-info ("Stamps appear in left margin and are invisible")
(should (eq 'erc-timestamp (field-at-pos (pos-bol))))
(should (= (pos-bol) (field-beginning (pos-bol))))
(should (eq 'query-notice (get-text-property (pos-bol) 'erc--msg)))
(should (eq 'NOTICE (get-text-property (pos-bol) 'erc--cmd)))
(should (= ?- (char-after (field-end (pos-bol)))))
(should (equal (get-text-property (1+ (field-end (pos-bol)))
'erc--speaker)
"irc.foonet.org"))
(should (pcase (get-text-property (pos-bol) 'display)
(`((margin left-margin) ,s)
(eq 'timestamp (get-text-property 0 'invisible s))))))
;; We set a third-party marker at the end of 004's message (on
;; then "\n"), post-insertion.
(ert-info ("User markers untouched by subsequent message left stamp")
(save-excursion
(goto-char erc-scenarios-stamp--user-marker)
(should (looking-back "CEIMRUabefhiklmnoqstuv\n"))
(should (looking-at (rx "[")))))))))
(ert-deftest erc-scenarios-stamp--legacy-date-stamps ()
(with-suppressed-warnings ((obsolete erc-stamp-prepend-date-stamps-p))
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "base/reconnect")
(erc-stamp-prepend-date-stamps-p t)
(dumb-server (erc-d-run "localhost" t 'unexpected-disconnect))
(port (process-contact dumb-server :service))
(erc-server-flood-penalty 0.1)
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:full-name "tester"
:nick "tester")
(funcall expect 5 "*** Welcome")
(goto-char (1- (match-beginning 0)))
(should (eq 'erc-timestamp (field-at-pos (point))))
(should (eq 'notice (erc--get-inserted-msg-prop 'erc--msg)))
;; Force redraw of date stamp.
(setq erc-timestamp-last-inserted-left nil)
(funcall expect 5 "This server is in debug mode")
(while (and (zerop (forward-line -1))
(not (eq 'erc-timestamp (field-at-pos (point))))))
(should (erc--get-inserted-msg-prop 'erc--cmd))
(should-not erc-stamp--date-mode)
(should-not erc-stamp--date-stamps))))))
;; This user-owned hook member places a marker on the first message in
;; a buffer. Inserting a date stamp in front of it shouldn't move the
;; marker.
(defun erc-scenarios-stamp--on-insert-modify ()
(unless (marker-position erc-scenarios-stamp--user-marker)
(set-marker erc-scenarios-stamp--user-marker (point-min))
(save-excursion
(goto-char erc-scenarios-stamp--user-marker)
(should (looking-at "Opening"))))
;; Sometime after the first message ("Opening connection.."), assert
;; that the marker we just placed hasn't moved.
(when (erc--check-msg-prop 'erc--cmd 2)
(save-restriction
(widen)
(ert-info ("Date stamp preserves opening user marker")
(goto-char erc-scenarios-stamp--user-marker)
(should-not (eq 'erc-timestamp (field-at-pos (point))))
(should (looking-at "Opening"))
(should (eq 'unknown (get-text-property (point) 'erc--msg))))))
;; On 003 ("*** This server was created on"), clear state to force a
;; new date stamp on the next message.
(when (erc--check-msg-prop 'erc--cmd 3)
(setq erc-timestamp-last-inserted-left nil)
(set-marker erc-scenarios-stamp--user-marker erc-insert-marker)))
(ert-deftest erc-scenarios-stamp--date-mode/left-and-right ()
(should (eq erc-insert-timestamp-function
#'erc-insert-timestamp-left-and-right))
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "base/reconnect")
(dumb-server (erc-d-run "localhost" t 'unexpected-disconnect))
(port (process-contact dumb-server :service))
(erc-scenarios-stamp--user-marker (make-marker))
(erc-server-flood-penalty 0.1)
(erc-modules (if (zerop (random 2))
(cons 'fill-wrap erc-modules)
erc-modules))
(expect (erc-d-t-make-expecter))
(erc-mode-hook
(cons (lambda ()
(add-hook 'erc-insert-modify-hook
#'erc-scenarios-stamp--on-insert-modify -99 t))
erc-mode-hook)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:full-name "tester"
:nick "tester")
(funcall expect 5 "Welcome to the foonet")
(funcall expect 5 "*** AWAYLEN=390")
(ert-info ("Date stamp preserves other user marker")
(goto-char erc-scenarios-stamp--user-marker)
(should-not (eq 'erc-timestamp (field-at-pos (point))))
(should (looking-at (rx "*** irc.foonet.org oragono")))
(should (eq 's004 (get-text-property (point) 'erc--msg))))
(funcall expect 5 "This server is in debug mode")))))
;; Assert that only one date stamp per day appears in the server
;; buffer when reconnecting.
(ert-deftest erc-scenarios-stamp--date-mode/reconnect ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "base/reconnect")
(erc-server-flood-penalty 0.1)
(erc-stamp--tz t)
(erc-server-auto-reconnect t)
;; Start close to midnight: 2024-06-02T23:58:11.055Z
(erc-stamp--current-time (if (< emacs-major-version 29)
'(26205 1811 55000 0)
'(1717372691055 . 1000)))
(erc-insert-post-hook (cons (lambda ()
(setq erc-stamp--current-time
(time-add erc-stamp--current-time 0.1)))
erc-insert-post-hook))
(dumb-server (erc-d-run "localhost" t
'unexpected-disconnect 'unexpected-disconnect))
;; Define overriding formatting function for catalog entry
;; `disconnected' to spoof time progressing past midnight.
(erc-message-english-disconnected
(let ((orig erc-message-english-disconnected))
(lambda (&rest _)
(setq erc-stamp--current-time
(time-add erc-stamp--current-time 120))
orig)))
(port (process-contact dumb-server :service))
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "tester"
:full-name "tester")
(funcall expect 10 "debug mode")))
;; Ensure date stamps are unique per server buffer.
(with-current-buffer "FooNet"
(funcall expect 10 "[Mon Jun 3 2024]")
(funcall expect -0.1 "[Mon Jun 3 2024]") ; no duplicates
(funcall expect 10 "[00:00]")
(funcall expect -0.1 "[00:00]")
(funcall expect 10 "Welcome to the foonet")
(delete-process erc-server-process))))
;;; erc-scenarios-stamp.el ends here
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