test/lisp/hi-lock-tests.el

   1 ;;; hi-lock-tests.el --- Tests for hi-lock.el  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2017-2018 Free Software Foundation, Inc.
   4
   5 ;; Author: Tino Calancha <tino.calancha@gmail.com>
   6 ;; Keywords:
   7
   8 ;; This program is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; This program is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
  20
  21 ;;; Code:
  22
  23 (require 'ert)
  24 (require 'hi-lock)
  25
  26 (ert-deftest hi-lock-bug26666 ()
  27   "Test for https://debbugs.gnu.org/26666 ."
  28   (let ((faces hi-lock-face-defaults))
  29     (with-temp-buffer
  30       (insert "a A b B\n")
  31       (cl-letf (((symbol-function 'completing-read)
  32                    (lambda (prompt coll x y z hist defaults)
  33                      (car defaults))))
  34         (dotimes (_ 2)
  35           (let ((face (hi-lock-read-face-name)))
  36             (hi-lock-set-pattern "a" face))))
  37       (should (equal hi-lock--unused-faces (cdr faces))))))
  38
  39 (ert-deftest hi-lock-test-set-pattern ()
  40   (let ((faces hi-lock-face-defaults))
  41     (with-temp-buffer
  42       (insert "foo bar")
  43       (cl-letf (((symbol-function 'completing-read)
  44                  (lambda (prompt coll x y z hist defaults)
  45                    (car defaults))))
  46         (hi-lock-set-pattern "9999" (hi-lock-read-face-name)) ; No match
  47         (hi-lock-set-pattern "foo" (hi-lock-read-face-name)))
  48       ;; Only one match, then we have used just 1 face
  49       (should (equal hi-lock--unused-faces (cdr faces))))))
  50
  51 (provide 'hi-lock-tests)
  52 ;;; hi-lock-tests.el ends here