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6f8cee0331
* lisp/ansi-osc.el (ansi-osc-apply-on-region) (ansi-osc-filter-region): Use marker to properly handle unfinished escape sequence. * test/lisp/ansi-osc-tests.el (ansi-osc-tests--strings) (ansi-osc-tests-apply-region-no-handlers) (ansi-osc-tests-apply-region-no-handlers-multiple-calls) (ansi-osc-tests-filter-region) (ansi-osc-tests-filter-region-with-multiple-calls): Cover bug#78184.
100 lines
3.3 KiB
EmacsLisp
100 lines
3.3 KiB
EmacsLisp
;;; osc-tests.el --- Tests for osc.el -*- lexical-binding: t; -*-
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;; Copyright (C) 2022-2025 Free Software Foundation, Inc.
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;; Author: Matthias Meulien <orontee@gmail.com>
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;; Keywords:
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'ansi-osc)
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(require 'ert)
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(defvar ansi-osc-tests--strings
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`(("Hello World" "Hello World")
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;; window title
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("Buffer \e]2;A window title\e\\content" "Buffer content")
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;; window title
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("Unfinished \e]2;window title" "Unfinished \e]2;window title")
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;; current directory
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("\e]7;file://127.0.0.1/tmp\e\\user@host$ " "user@host$ ")
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;; hyperlink
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("\e]8;;http://example.com\e\\This is a link\e]8;;\e\\" "This is a link")
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;; multiple sequences
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("Escape \e]2;A window title\e\\sequence followed by \e]2;unfinished sequence"
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"Escape sequence followed by \e]2;unfinished sequence")
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))
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;; Don't output those strings to stdout since they may have
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;; side-effects on the environment
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(ert-deftest ansi-osc-tests-apply-region-no-handlers ()
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(let ((ansi-osc-handlers nil))
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(pcase-dolist (`(,input ,text) ansi-osc-tests--strings)
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(with-temp-buffer
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(insert input)
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(ansi-osc-apply-on-region (point-min) (point-max))
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(should (equal
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(buffer-substring-no-properties
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(point-min) (point-max))
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text))))))
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(ert-deftest ansi-osc-tests-apply-region-no-handlers-multiple-calls ()
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(let ((ansi-osc-handlers nil))
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(with-temp-buffer
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(insert
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(concat "First set the window title \e]2;A window title\e\\"
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"then change it\e]2;Another "))
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(ansi-osc-apply-on-region (point-min) (point-max))
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(let ((pos (point)))
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(insert "title\e\\, and stop.")
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(ansi-osc-apply-on-region pos (point-max)))
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(should
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(equal
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(buffer-substring-no-properties (point-min) (point-max))
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"First set the window title then change it, and stop.")))))
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(ert-deftest ansi-osc-tests-filter-region ()
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(pcase-dolist (`(,input ,text) ansi-osc-tests--strings)
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(with-temp-buffer
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(insert input)
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(ansi-osc-filter-region (point-min) (point-max))
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(should (equal (buffer-string) text)))))
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(ert-deftest ansi-osc-tests-filter-region-with-multiple-calls ()
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(with-temp-buffer
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(insert
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(concat "First set the window title \e]2;A window title\e\\"
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"then change it\e]2;Another "))
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(ansi-osc-filter-region (point-min) (point-max))
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(let ((pos (point)))
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(insert "title\e\\, and stop.")
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(ansi-osc-filter-region pos (point-max)))
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(should
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(equal
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(buffer-string)
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"First set the window title then change it, and stop."))))
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