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|
;;; faces-tests.el --- Tests for faces.el -*- lexical-binding: t; -*-
;; Copyright (C) 2013-2025 Free Software Foundation, Inc.
;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
;; Keywords:
;; 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)
(require 'ert-x)
(defgroup faces--test nil "Group to test faces."
:group 'faces--test)
(defface faces--test1
'((t :background "black" :foreground "black"))
""
:group 'faces--test)
(defface faces--test2
'((t :box 1))
""
:group 'faces--test)
(defface faces--test-extend
'((t :extend t :background "blue"))
""
:group 'faces--test)
(defface faces--test-no-extend
'((t :extend nil :background "blue"))
""
:group 'faces--test)
(defface faces--test-inherit-extend
'((t :inherit (faces--test-extend faces--test2) :background "blue"))
""
:group 'faces--test)
(defface faces--test-inherit-no-extend
'((t :inherit (faces--test2 faces--test-no-extend) :background "blue"))
""
:group 'faces--test)
(ert-deftest faces--test-color-at-point ()
(with-temp-buffer
(insert (propertize "STRING" 'face '(faces--test2 faces--test1)))
(goto-char (point-min))
(should (equal (background-color-at-point) "black"))
(should (equal (foreground-color-at-point) "black")))
(with-temp-buffer
(insert (propertize "STRING" 'face '(:foreground "black" :background "black")))
(goto-char (point-min))
(should (equal (background-color-at-point) "black"))
(should (equal (foreground-color-at-point) "black")))
(with-temp-buffer
(emacs-lisp-mode)
(setq-local font-lock-comment-face 'faces--test1)
(setq-local font-lock-constant-face 'faces--test2)
(insert ";; `symbol'")
(font-lock-fontify-region (point-min) (point-max))
(goto-char (point-min))
(should (equal (background-color-at-point) "black"))
(should (equal (foreground-color-at-point) "black"))
(goto-char 6)
(should (equal (background-color-at-point) "black"))
(should (equal (foreground-color-at-point) "black"))))
(ert-deftest faces--test-face-id ()
;; Face ID of 0 is the 'default' face; no face should have the same ID.
(should (> (face-id 'faces--test1) 0))
;; 'tooltip' is the last face defined by preloaded packages, so any
;; face we define in Emacs should have a face ID greater than that,
;; since the ID of a face is just its index in the array that maps
;; face IDs to faces.
(should (> (face-id 'faces--test1) (face-id 'tooltip))))
(ert-deftest faces--test-extend ()
(should (equal (face-attribute 'faces--test-extend :extend) t))
(should (equal (face-attribute 'faces--test-no-extend :extend) nil))
(should (equal (face-attribute 'faces--test1 :extend) 'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend nil t) t))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend nil t)
nil))
)
(ert-deftest faces--test-extend-with-themes ()
(defface spiff-changed-face
'((t :extend t :weight bold))
"")
(defface spiff-added
'((t :background "grey"))
"")
(defface spiff-file-header-face
'((t :extend nil :foreground "cyan"))
"")
(should (equal (face-attribute 'spiff-changed-face :extend) t))
(should (equal (face-attribute 'spiff-added :extend) 'unspecified))
(should (equal (face-attribute 'spiff-file-header-face :extend) nil))
(add-to-list 'custom-theme-load-path (ert-resource-directory))
(load-theme 'faces-test-dark t t)
(load-theme 'faces-test-light t t)
(should (equal (face-attribute 'faces--test-inherit-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend nil t) t))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend nil t)
nil))
(should (equal (face-attribute 'spiff-changed-face :extend) t))
(should (equal (face-attribute 'spiff-added :extend) 'unspecified))
(should (equal (face-attribute 'spiff-file-header-face :extend) nil))
(enable-theme 'faces-test-dark)
(should (equal (face-attribute 'faces--test-inherit-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend nil t) t))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend nil t)
nil))
(should (equal (face-attribute 'spiff-changed-face :extend) t))
(should (equal (face-attribute 'spiff-added :extend) t))
(should (equal (face-attribute 'spiff-file-header-face :extend) nil))
(defface faces--test-face3
'((t :inherit spiff-added :weight bold))
"")
(should (equal (face-attribute 'faces--test-face3 :extend nil t) t))
(disable-theme 'faces-test-dark)
(should (equal (face-attribute 'faces--test-inherit-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend nil t) t))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend nil t)
nil))
(should (equal (face-attribute 'spiff-changed-face :extend) t))
(should (equal (face-attribute 'spiff-added :extend) 'unspecified))
(should (equal (face-attribute 'spiff-file-header-face :extend) nil))
(should (equal (face-attribute 'faces--test-face3 :extend nil t) 'unspecified))
(defface spiff-indicator-changed
'((t (:weight bold :extend t)))
"")
(enable-theme 'faces-test-light)
(should (equal (face-attribute 'faces--test-inherit-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend nil t) t))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend nil t)
nil))
(should (equal (face-attribute 'spiff-changed-face :extend) t))
(should (equal (face-attribute 'spiff-added :extend) t))
(should (equal (face-attribute 'spiff-file-header-face :extend) nil))
(should (equal (face-attribute 'spiff-indicator-changed :extend) t))
(should (equal (face-attribute 'faces--test-face3 :extend nil t) t))
(frame-set-background-mode (selected-frame) 'dark)
(should (equal (face-attribute 'faces--test-inherit-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend nil t) t))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend :extend nil t)
nil))
(should (equal (face-attribute 'spiff-changed-face :extend) t))
(should (equal (face-attribute 'spiff-added :extend) t))
(should (equal (face-attribute 'spiff-file-header-face :extend) nil))
(should (equal (face-attribute 'spiff-indicator-changed :extend) t))
(should (equal (face-attribute 'faces--test-face3 :extend nil t) t))
(or noninteractive
(let ((fr (make-frame)))
(should (equal (face-attribute 'faces--test-inherit-extend :extend fr)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-extend :extend fr t)
t))
(should (equal (face-attribute 'faces--test-inherit-no-extend
:extend fr)
'unspecified))
(should (equal (face-attribute 'faces--test-inherit-no-extend
:extend fr t)
nil))
(should (equal (face-attribute 'spiff-changed-face :extend fr) t))
(should (equal (face-attribute 'spiff-added :extend fr) t))
(should (equal (face-attribute 'spiff-file-header-face :extend fr) nil))
(should (equal (face-attribute 'spiff-indicator-changed :extend fr) t))
(should (equal (face-attribute 'faces--test-face3 :extend nil t) t))
))
(disable-theme 'faces-test-light)
(should (equal (face-attribute 'spiff-indicator-changed :extend) t))
(should (equal (face-attribute 'faces--test-face3 :extend nil t) 'unspecified))
(or noninteractive
(let ((fr (make-frame)))
(should (equal (face-attribute 'spiff-changed-face :extend fr) t))
(should (equal (face-attribute 'spiff-added :extend fr) 'unspecified))
(should (equal (face-attribute 'spiff-file-header-face :extend fr) nil))
(should (equal (face-attribute 'spiff-indicator-changed :extend fr) t))
(should (equal (face-attribute 'faces--test-face3 :extend nil t) 'unspecified))
))
)
(ert-deftest test-tty-find-type ()
(let ((pred (lambda (string)
(locate-library (concat "term/" string ".el")))))
(should (tty-find-type pred "cygwin"))
(should (tty-find-type pred "cygwin-foo"))
(should (equal (tty-find-type pred "xterm") "xterm"))
(should (equal (tty-find-type pred "screen.xterm") "screen"))))
(provide 'faces-tests)
;;; faces-tests.el ends here
|
