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| | ;;; erc-fill-tests.el --- ERC message filling -*- lexical-binding: t -*-
;; Copyright (C) 2020-2021 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)
(require 'erc-fill)
(defun erc-fill-tests--insert (&rest strings)
(let ((inhibit-read-only t))
(erc-parse-server-response erc-server-process (apply #'concat strings))))
(defun erc-fill-tests--setup-server-buffer ()
(with-current-buffer (get-buffer-create "foonet")
(erc-mode)
(setq erc-server-process (start-process "true" (current-buffer) "true")
erc-server-current-nick "tester"
erc-server-users (make-hash-table :test #'equal))
(set-process-query-on-exit-flag erc-server-process nil)))
(defun erc-fill-tests--setup-channel-buffer ()
(with-current-buffer (get-buffer-create "#chan")
(erc-mode)
(insert "\n\n")
(setq erc-input-marker (make-marker)
;; Kludge to get around saving display prop
erc-timestamp-use-align-to nil
;; Kludge to make whitespace compare equal without expanding
indent-tabs-mode nil
erc-insert-marker (make-marker)
erc-default-recipients '("#chan")
erc-channel-users (make-hash-table :test #'equal)
erc-server-process (with-current-buffer "foonet"
erc-server-process))
(set-marker erc-insert-marker (point-max))
(erc-display-prompt)))
(defun erc-fill-tests--populate ()
(let* ((ts (+ (* 2 60 60 24) (* 60 60 24 365 10)))
(ct (time-convert ts)))
(cl-letf (((symbol-function 'current-time) (lambda () ct)))
(with-current-buffer "foonet"
(erc-fill-tests--insert ":irc.foonet.org 324 tester #chan +nt")
(erc-fill-tests--insert ":irc.foonet.org 329 tester #chan 1620104779")
(setq ct (time-convert (cl-incf ts 60)))
(erc-fill-tests--insert
":bob!~u@rz2v467q4rwhy.irc PRIVMSG #chan :lorem ipsum"
" This buffer is for text that is not saved, and for Lisp evaluation.")
(setq ct (time-convert (cl-incf ts 120)))
(erc-fill-tests--insert
":alice!~u@rz2v467q4rwhy.irc PRIVMSG #chan :tester, welcome!"
" Your name may or may not be highlighted depending on whether"
" button's been loaded by an earlier test. ERC needs help!")
(setq ct (time-convert (cl-incf ts (* 60 60 24))))
(erc-fill-tests--insert
":bob!~u@rz2v467q4rwhy.irc PRIVMSG #chan :tester, welcome!"
" To create a file, visit it with ? and enter text in its buffer.")))))
(defun erc-fill-tests--teardown ()
;; XXX when inspecting manually, must reactivate fill and stamp modes.
;; Otherwise `erc-fill-buffer' won't work.
(kill-buffer "variable-60.buffer")
(kill-buffer "variable-72.buffer")
(kill-buffer "static-60.buffer")
(kill-buffer "static-72.buffer")
(advice-remove 'format-time-string 'ts)
(let (erc-kill-server-hook
erc-kill-channel-hook)
(kill-buffer "#chan")
(kill-buffer "foonet"))
(should (= erc-fill-column 78)))
(defun erc-fill-tests--compare (name)
;; Git didn't allow committing with a trailing space after the
;; prompt, hence this:
(equal (substring-no-properties (buffer-string) 0 -1)
(with-current-buffer (find-file-literally (ert-resource-file name))
(buffer-string))))
(defun erc-fill-tests--await-fill ()
(call-interactively #'erc-fill-buffer)
;; This timeout silliness seemed a little more realistic than just:
;;
;; (thread-join erc-fill--refill-thread)
;;
;; Probably dumb, right?.
(with-timeout (3 (error "Failed"))
(while (thread-live-p erc-fill--refill-thread)
(sleep-for 0.01))))
(ert-deftest erc-fill-buffer ()
(advice-add 'format-time-string :filter-args
(lambda (args) (list (car args) (cadr args) 0)) '((name . ts)))
(let* (erc-insert-pre-hook
erc-insert-modify-hook
erc-send-modify-hook
erc-mode-hook
erc-stamp-mode
erc-fill--refill-thread)
(erc-stamp-mode +1)
(erc-fill-tests--setup-server-buffer)
(erc-fill-tests--setup-channel-buffer)
(erc-fill-tests--populate)
(with-current-buffer "#chan"
;; These would get clobbered by the new thread if we let-bound
;; them, and we can't set them globally, so best just fake it:
(setq-local erc-fill-mode t
erc-stamp-mode t
erc-fill-column 60)
(erc-fill-tests--await-fill)
(ert-info ("Baseline")
(should (erc-fill-tests--compare "variable-60.buffer")))
(ert-info ("Wider")
(setq erc-fill-column 72)
(erc-fill-tests--await-fill)
(should (erc-fill-tests--compare "variable-72.buffer")))
(ert-info ("Fancy")
(setq erc-fill-function #'erc-fill-static)
(erc-fill-tests--await-fill)
(should (erc-fill-tests--compare "static-72.buffer")))
(ert-info ("Fancy normal")
(setq erc-fill-column 60)
(erc-fill-tests--await-fill)
(should (erc-fill-tests--compare "static-60.buffer")))
(ert-info ("Again!")
(erc-fill-tests--await-fill)
(should (erc-fill-tests--compare "static-60.buffer")))
(ert-info ("Back home")
(setq erc-fill-function #'erc-fill-variable)
(erc-fill-tests--await-fill)
(should (erc-fill-tests--compare "variable-60.buffer")))))
(when noninteractive
(erc-fill-tests--teardown)))
;;; erc-fill-tests.el ends here
|