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;;; faceup-test-basics.el --- Tests for the `faceup' package. -*- lexical-binding:t -*-
;; Copyright (C) 2014-2025 Free Software Foundation, Inc.
;; Author: Anders Lindgren
;; Keywords: languages, faces
;; 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:
;; Basic tests for the `faceup' package.
;;; Code:
(eval-when-compile (require 'cl-lib))
(require 'faceup)
(ert-deftest faceup-functions ()
"Test primitive functions."
(should (equal (faceup-normalize-face-property '()) '()))
(should (equal (faceup-normalize-face-property 'a) '(a)))
(should (equal (faceup-normalize-face-property '(a)) '(a)))
(should (equal (faceup-normalize-face-property '(:x t)) '((:x t))))
(should (equal (faceup-normalize-face-property '(:x t a)) '((:x t))))
(should (equal (faceup-normalize-face-property '(:x t a b)) '((:x t))))
(should (equal (faceup-normalize-face-property '(a :x t)) '(a (:x t))))
(should (equal (faceup-normalize-face-property '(a b :x t))
'(a b (:x t))))
(should (equal (faceup-normalize-face-property '(:x t :y nil))
'((:y nil) (:x t))))
(should (equal (faceup-normalize-face-property '(:x t :y nil a))
'((:y nil) (:x t))))
(should (equal (faceup-normalize-face-property '(:x t :y nil a b))
'((:y nil) (:x t))))
(should (equal (faceup-normalize-face-property '(a :x t :y nil))
'(a (:y nil) (:x t))))
(should (equal (faceup-normalize-face-property '(a b :x t :y nil))
'(a b (:y nil) (:x t)))))
(ert-deftest faceup-markup-basics ()
(should (equal (faceup-markup-string "") ""))
(should (equal (faceup-markup-string "test") "test")))
(ert-deftest faceup-markup-escaping ()
(should (equal (faceup-markup-string "«") "««"))
(should (equal (faceup-markup-string "«A«B«C«") "««A««B««C««"))
(should (equal (faceup-markup-string "»") "«»"))
(should (equal (faceup-markup-string "»A»B»C»") "«»A«»B«»C«»")))
(ert-deftest faceup-markup-plain ()
;; UU
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face underline)))
"AB«U:CD»EF")))
(ert-deftest faceup-markup-plain-full-text ()
;; UUUUUU
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF" 0 6 (face underline)))
"«U:ABCDEF»")))
(ert-deftest faceup-markup-anonymous-face ()
;; AA
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face (:underline t))))
"AB«:(:underline t):CD»EF")))
(ert-deftest faceup-markup-anonymous-face-2keys ()
;; AA
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face (:foo t :bar nil))))
"AB«:(:foo t):«:(:bar nil):CD»»EF"))
;; Plist in list.
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face ((:foo t :bar nil)))))
"AB«:(:foo t):«:(:bar nil):CD»»EF"))
;; Two plists.
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face ((:foo t) (:bar nil)))))
"AB«:(:bar nil):«:(:foo t):CD»»EF")))
(ert-deftest faceup-markup-anonymous-nested ()
;; AA
;; IIII
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF"
1 2 (face ((:foo t)))
2 4 (face ((:bar t) (:foo t)))
4 5 (face ((:foo t)))))
"A«:(:foo t):B«:(:bar t):CD»E»F")))
(ert-deftest faceup-markup-nested ()
;; UU
;; IIII
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF"
1 2 (face italic)
2 4 (face (underline italic))
4 5 (face italic)))
"A«I:B«U:CD»E»F")))
(ert-deftest faceup-markup-overlapping ()
;; UUU
;; III
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF"
1 2 (face italic)
2 4 (face (underline italic))
4 5 (face underline)))
"A«I:B«U:CD»»«U:E»F"))
;; III
;; UUU
;; ABCDEF
(should (equal (faceup-markup-string
#("ABCDEF"
1 2 (face italic)
2 4 (face (italic underline))
4 5 (face underline)))
"A«I:B»«U:«I:CD»E»F")))
(ert-deftest faceup-markup-multi-face ()
;; More than one face at the same location.
;;
;; The property to the front takes precedence, it is rendered as the
;; innermost parenthesis pair.
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face (underline italic))))
"AB«I:«U:CD»»EF"))
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (face (italic underline))))
"AB«U:«I:CD»»EF"))
;; Equal ranges, full text.
(should (equal (faceup-markup-string
#("ABCDEF" 0 6 (face (underline italic))))
"«I:«U:ABCDEF»»"))
;; Ditto, with stray markup characters.
(should (equal (faceup-markup-string
#("AB«CD»EF" 0 8 (face (underline italic))))
"«I:«U:AB««CD«»EF»»")))
(ert-deftest faceup-markup-multi-property ()
(let ((faceup-properties '(alpha beta gamma)))
;; One property.
(should (equal (faceup-markup-string
#("ABCDEF" 2 4 (alpha (a l p h a))))
"AB«(alpha):(a l p h a):CD»EF"))
;; Two properties, inner enclosed.
(should (equal (faceup-markup-string
(let ((s (copy-sequence "ABCDEFGHIJ")))
(set-text-properties 2 8 '(alpha (a l p h a)) s)
(font-lock-append-text-property 4 6 'beta '(b e t a) s)
s))
"AB«(alpha):(a l p h a):CD«(beta):(b e t a):EF»GH»IJ"))
;; Two properties, same end
(should (equal (faceup-markup-string
(let ((s (copy-sequence "ABCDEFGH")))
(set-text-properties 2 6 '(alpha (a)) s)
(add-text-properties 4 6 '(beta (b)) s)
s))
"AB«(alpha):(a):CD«(beta):(b):EF»»GH"))
;; Two properties, overlap.
(should (equal (faceup-markup-string
(let ((s (copy-sequence "ABCDEFGHIJ")))
(set-text-properties 2 6 '(alpha (a)) s)
(add-text-properties 4 8 '(beta (b)) s)
s))
"AB«(alpha):(a):CD«(beta):(b):EF»»«(beta):(b):GH»IJ"))))
(ert-deftest faceup-clean ()
"Test the clean features of `faceup'."
(should (equal (faceup-clean-string "") ""))
(should (equal (faceup-clean-string "test") "test"))
(should (equal (faceup-clean-string "AB«U:CD»EF") "ABCDEF"))
(should (equal (faceup-clean-string "«U:ABCDEF»") "ABCDEF"))
(should (equal (faceup-clean-string "A«I:B«U:CD»E»F") "ABCDEF"))
(should (equal (faceup-clean-string "A«I:B«U:CD»»«U:E»F") "ABCDEF"))
(should (equal (faceup-clean-string "AB«I:«U:CD»»EF") "ABCDEF"))
(should (equal (faceup-clean-string "«I:«U:ABCDEF»»") "ABCDEF"))
(should (equal (faceup-clean-string "«(foo)I:ABC»DEF") "ABCDEF"))
(should (equal (faceup-clean-string "«:(:foo t):ABC»DEF") "ABCDEF"))
;; Escaped markup characters.
(should (equal (faceup-clean-string "««") "«"))
(should (equal (faceup-clean-string "«»") "»"))
(should (equal (faceup-clean-string "A«I:B«U:CD»«»»«U:E»F") "ABCD»EF")))
(ert-deftest faceup-render ()
"Test the render features of `faceup'."
(should (equal (faceup-render-string "") ""))
(should (equal (faceup-render-string "««") "«"))
(should (equal (faceup-render-string "«»") "»"))
(should (equal (faceup-render-string "A«I:B«U:CD»«»»«U:E»F") "ABCD»EF")))
(defvar faceup-test-resources-directory
(concat (file-name-directory
(substring (faceup-this-file-directory) 0 -1))
"faceup-resources/")
"The `faceup-resources' directory.")
(defvar faceup-test-this-file-directory nil
"The result of `faceup-this-file-directory' in various contexts.
This is set by the file test support file
`faceup-test-this-file-directory.el'.")
(ert-deftest faceup-directory ()
"Test `faceup-this-file-directory'."
(let ((file (concat faceup-test-resources-directory
"faceup-test-this-file-directory.el"))
(load-file-name nil))
;; Test normal load.
(makunbound 'faceup-test-this-file-directory)
(load file nil :nomessage)
(should (equal faceup-test-this-file-directory
faceup-test-resources-directory))
;; Test `eval-buffer'.
(makunbound 'faceup-test-this-file-directory)
(save-excursion
(find-file file)
(eval-buffer))
(should (equal faceup-test-this-file-directory
faceup-test-resources-directory))
;; Test `eval-defun'.
(makunbound 'faceup-test-this-file-directory)
(save-excursion
(find-file file)
(save-excursion
(goto-char (point-min))
(while (not (eobp))
;; Note: In batch mode, this prints the result of the
;; evaluation. Unfortunately, this is hard to fix.
(eval-defun nil)
(forward-sexp))))
(should (equal faceup-test-this-file-directory
faceup-test-resources-directory))))
(provide 'faceup-test-basics)
;;; faceup-test-basics.el ends here
|
