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| | ;;; erc-button-tests.el --- Tests for erc-button -*- lexical-binding:t -*-
;; Copyright (C) 2023 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/>.
;;; Commentary:
;;; Code:
(require 'erc-button)
(defun erc-button-tests--insert-privmsg (speaker &rest msg-parts)
(declare (indent 1))
(let ((msg (erc-format-privmessage speaker
(apply #'concat msg-parts) nil t)))
(erc-display-message nil nil (current-buffer) msg)))
(defun erc-button-tests--populate (test)
(let ((inhibit-message noninteractive)
erc-kill-channel-hook erc-kill-server-hook erc-kill-buffer-hook)
(with-current-buffer
(cl-letf
(((symbol-function 'erc-server-connect)
(lambda (&rest _)
(setq erc-server-process
(start-process "sleep" (current-buffer) "sleep" "1"))
(set-process-query-on-exit-flag erc-server-process nil))))
(erc-open "localhost" 6667 "tester" "Tester" 'connect
nil nil nil nil nil "tester" 'foonet))
(with-current-buffer (erc--open-target "#chan")
(erc-update-channel-member
"#chan" "alice" "alice" t nil nil nil nil nil "fake" "~u" nil nil t)
(erc-update-channel-member
"#chan" "bob" "bob" t nil nil nil nil nil "fake" "~u" nil nil t)
(erc-display-message
nil 'notice (current-buffer)
(concat "This server is in debug mode and is logging all user I/O. "
"Blah alice (1) bob (2) blah."))
(funcall test))
(when noninteractive
(kill-buffer "#chan")
(kill-buffer)))))
(ert-deftest erc-button-next ()
(erc-button-tests--populate
(lambda ()
(erc-button-tests--insert-privmsg "alice"
"(3) bob (4) come, you are a tedious fool: to the purpose.")
(erc-button-tests--insert-privmsg "bob"
"(5) alice (6) Come me to what was done to her.")
(should (= erc-input-marker (point)))
;; Break out of input area
(erc-button-previous 1)
(should (looking-at (rx "alice (6)")))
;; No next button
(should-error (erc-button-next 1) :type 'user-error)
(should (looking-at (rx "alice (6)")))
;; Next with negative arg is equivalent to previous
(erc-button-next -1)
(should (looking-at (rx "bob> (5)")))
;; One past end of button
(forward-char 3)
(should (looking-at (rx "> (5)")))
(should-not (get-text-property (point) 'erc-callback))
(erc-button-previous 1)
(should (looking-at (rx "bob> (5)")))
;; At end of button
(forward-char 2)
(should (looking-at (rx "b> (5)")))
(erc-button-previous 1)
(should (looking-at (rx "bob (4)")))
;; Skip multiple buttons back
(erc-button-previous 2)
(should (looking-at (rx "bob (2)")))
;; Skip multiple buttons forward
(erc-button-next 2)
(should (looking-at (rx "bob (4)")))
;; No error as long as some progress made
(erc-button-previous 100)
(should (looking-at (rx "alice (1)")))
;; Error when no progress made
(should-error (erc-button-previous 1) :type 'user-error)
(should (looking-at (rx "alice (1)"))))))
;; See also `erc-scenarios-networks-announced-missing' in
;; erc-scenarios-misc.el for a more realistic example.
(ert-deftest erc-button--display-error-notice-with-keys ()
(with-current-buffer (get-buffer-create "*fake*")
(let ((mode erc-button-mode)
(inhibit-message noninteractive)
erc-modules
erc-kill-channel-hook erc-kill-server-hook erc-kill-buffer-hook)
(erc-mode)
(setq erc-server-process
(start-process "sleep" (current-buffer) "sleep" "1"))
(set-process-query-on-exit-flag erc-server-process nil)
(erc--initialize-markers (point) nil)
(erc-button-mode +1)
(should (equal (erc-button--display-error-notice-with-keys
"If \\[erc-bol] fails, "
"see \\[erc-bug] or `erc-mode-map'.")
"*** If C-a fails, see M-x erc-bug or `erc-mode-map'."))
(goto-char (point-min))
(ert-info ("Keymap substitution succeeds")
(erc-button-next 1)
(should (looking-at "C-a"))
(should (eq (get-text-property (point) 'mouse-face) 'highlight))
(erc-button-press-button)
(with-current-buffer "*Help*"
(goto-char (point-min))
(should (search-forward "erc-bol" nil t)))
(erc-button-next 1)
;; End of interval correct
(erc-button-previous 1)
(should (looking-at "C-a fails")))
(ert-info ("Extended command mapping succeeds")
(erc-button-next 1)
(should (looking-at "M-x erc-bug"))
(erc-button-press-button)
(should (eq (get-text-property (point) 'mouse-face) 'highlight))
(with-current-buffer "*Help*"
(goto-char (point-min))
(should (search-forward "erc-bug" nil t))))
(ert-info ("Symbol-description face preserved") ; mutated by d-e-n-w-k
(erc-button-next 1)
(should (equal (get-text-property (point) 'font-lock-face)
'(erc-button erc-error-face)))
(should (eq (get-text-property (point) 'mouse-face) 'highlight))
(should (eq erc-button-face 'erc-button))) ; extent evaporates
(ert-info ("Format when trailing args include non-strings")
(should (equal (erc-button--display-error-notice-with-keys
"abc" " %d def" " 45%s" 123 '\6)
"*** abc 123 def 456")))
(when noninteractive
(unless mode
(erc-button-mode -1))
(kill-buffer "*Help*")
(kill-buffer)))))
;;; erc-button-tests.el ends here
|