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emacs/test/lisp/erc/erc-scenarios-spelling.el
F. Jason Park f9ecde75bb Improve use of Flyspell's API in erc-spelling
* etc/ERC-NEWS: Announce deprecation of `erc-spelling-flyspell-verify'
and `erc-spelling-unhighlight-word'.  A slight behavioral change not
worth mentioning is that, previously, ERC arranged for Flyspell to
ignore any word immediately following a forward slash anywhere in the
prompt input, even those for which the slash served as mere
punctuation (a "stroke"), as in "something/misspelt."  As of this
change, Flyspell only unconditionally exempts an initial slash-prepended
word, like "tableflip" in "ERC> /tableflip", and checks all others that
follow against known slash commands.
* lisp/erc/erc-spelling.el: Change top-level assignment of `erc-mode'
symbol-property `flyspell-mode-predicate' from
`erc-spelling-flyspell-verify' to `erc-spelling--flyspell-input-p'.
(erc-spelling-mode, erc-spelling-disable): Remove local member from
`flyspell-incorrect-hook'.
(erc-spelling-init): Add `erc-spelling--flyspell-check' to
`flyspell-incorrect-hook' locally.  Don't bother explicitly setting
`flyspell-generic-check-word-predicate' because Flyspell already does
that for clients using the `flyspell-mode-predicte' interface.
(erc-spelling-flyspell-verify, erc-spelling-unhighlight-word): Mark
obsolete.
(erc-spelling--flyspell-check, erc-spelling--flyspell-input-p): New
functions, essentially the two halves of a reworked and bifurcated
`erc-spelling-flyspell-verify'.  Though used as a predicate, the first
is not named as such because it performs side effects.
* test/lisp/erc/erc-scenarios-spelling.el: New file.
* test/lisp/erc/resources/spelling/auto-correct.eld: New file.
(Bug#75327)
2025-01-07 17:31:18 -08:00

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EmacsLisp

;;; erc-scenarios-spelling.el --- Basic spelling scenarios -*- lexical-binding: t -*-
;; Copyright (C) 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-spelling)
(ert-deftest erc-scenarios-spelling--auto-correct ()
:tags `(:expensive-test
:unstable
,@(and (getenv "ERC_TESTS_GRAPHICAL") '(:erc--graphical)))
;; Allow running locally with SELECTOR=t if user has ispell configured.
(unless (ignore-errors
(and (executable-find ispell-program-name)
(progn (ispell-check-version) t)
(member "american" (ispell-valid-dictionary-list))))
(ert-skip "Missing ispell program"))
(ert-with-temp-directory erc-scenarios-spelling
(erc-scenarios-common-with-noninteractive-in-term
((erc-scenarios-common-dialog "spelling")
(process-environment (cons
(format "HOME=%s" erc-scenarios-spelling)
process-environment))
(dumb-server (erc-d-run "localhost" t 'auto-correct))
(port (process-contact dumb-server :service))
(expect (erc-d-t-make-expecter))
(erc-autojoin-channels-alist '((foonet "#chan")))
(erc-modules (cons 'spelling erc-modules))
(erc-server-flood-penalty 0.1))
(ert-info ("Connect to foonet")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "tester"
:full-name "tester")
(funcall expect 10 "no longer marked as being")
(should erc-spelling-mode)
(should flyspell-mode)))
(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "#chan"))
(should erc-spelling-mode)
(should flyspell-mode)
(funcall expect 10 "<alice> tester, welcome!")
;; Insert a command with one misspelled word.
(set-window-buffer nil (current-buffer))
(execute-kbd-macro "\M->/AMSG an/dor /gmsg one fsbot two frob my shoe")
(funcall expect 10 "shoe")
(let* ((ovs (overlays-in erc-input-marker (point)))
(ov1 (pop ovs))
(ov2 (pop ovs)))
;; At this point, flyspell should have done its thing. There
;; should be two overlays: one on "dor" and the other on
;; "frob". The spelling module's modifications should have
;; prevented the two valid slash commands as well as "fsbot"
;; from being highlighted.
(should-not ovs)
(should (flyspell-overlay-p ov1))
(should (equal "dor" (buffer-substring (overlay-start ov1)
(overlay-end ov1))))
(should (flyspell-overlay-p ov2))
(should (equal "frob" (buffer-substring (overlay-start ov2)
(overlay-end ov2))))
(goto-char (overlay-start ov2))
;; Depending on the machine, this should become something
;; like: "/AMSG an/dor /gmsg one fsbot two Rob my shoe".
(execute-kbd-macro (key-parse "M-TAB"))
(should (equal (overlays-in erc-input-marker (point-max))
(list ov1)))))
(when noninteractive
(erc-spelling-mode -1)))))
;;; erc-scenarios-spelling.el ends here