1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
| | ;;; custom-tests.el --- tests for custom.el -*- lexical-binding: t -*-
;; Copyright (C) 2018-2021 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'ert-x)
(require 'wid-edit)
(require 'cus-edit)
(require 'seq) ; For `seq-find'.
(ert-deftest custom-theme--load-path ()
"Test `custom-theme--load-path' behavior."
(let ((tmpdir (file-name-as-directory (make-temp-file "custom-tests-" t))))
(unwind-protect
;; Create all temporary files under the same deletable parent.
(let ((temporary-file-directory tmpdir))
;; Path is empty.
(let ((custom-theme-load-path ()))
(should (null (custom-theme--load-path))))
;; Path comprises non-existent file.
(let* ((name (make-temp-name tmpdir))
(custom-theme-load-path (list name)))
(should (not (file-exists-p name)))
(should (null (custom-theme--load-path))))
;; Path comprises existing file.
(let* ((file (make-temp-file "file"))
(custom-theme-load-path (list file)))
(should (file-exists-p file))
(should (not (file-directory-p file)))
(should (null (custom-theme--load-path))))
;; Path comprises existing directory.
(let* ((dir (make-temp-file "dir" t))
(custom-theme-load-path (list dir)))
(should (file-directory-p dir))
(should (equal (custom-theme--load-path) custom-theme-load-path)))
;; Expand `custom-theme-directory' path element.
(let ((custom-theme-load-path '(custom-theme-directory)))
(let ((custom-theme-directory (make-temp-name tmpdir)))
(should (not (file-exists-p custom-theme-directory)))
(should (null (custom-theme--load-path))))
(let ((custom-theme-directory (make-temp-file "file")))
(should (file-exists-p custom-theme-directory))
(should (not (file-directory-p custom-theme-directory)))
(should (null (custom-theme--load-path))))
(let ((custom-theme-directory (make-temp-file "dir" t)))
(should (file-directory-p custom-theme-directory))
(should (equal (custom-theme--load-path)
(list custom-theme-directory)))))
;; Expand t path element.
(let ((custom-theme-load-path '(t)))
(let ((data-directory (make-temp-name tmpdir)))
(should (not (file-exists-p data-directory)))
(should (null (custom-theme--load-path))))
(let ((data-directory tmpdir)
(themedir (expand-file-name "themes" tmpdir)))
(should (not (file-exists-p themedir)))
(should (null (custom-theme--load-path)))
(with-temp-file themedir)
(should (file-exists-p themedir))
(should (not (file-directory-p themedir)))
(should (null (custom-theme--load-path)))
(delete-file themedir)
(make-directory themedir)
(should (file-directory-p themedir))
(should (equal (custom-theme--load-path) (list themedir))))))
(when (file-directory-p tmpdir)
(delete-directory tmpdir t)))))
(defcustom custom--test-user-option 'foo
"User option for test."
:group 'emacs
:type 'symbol)
(defvar custom--test-variable 'foo
"Variable for test.")
;; This is demonstrating bug#34027.
(ert-deftest custom--test-theme-variables ()
"Test variables setting with enabling / disabling a custom theme."
;; We load custom-resources/custom--test-theme.el.
(let ((custom-theme-load-path `(,(ert-resource-directory))))
(load-theme 'custom--test 'no-confirm 'no-enable)
;; The variables have still their initial values.
(should (equal custom--test-user-option 'foo))
(should (equal custom--test-variable 'foo))
(custom-set-variables
'(custom--test-user-option 'baz)
'(custom--test-variable 'baz))
;; The initial values have been changed.
(should (equal custom--test-user-option 'baz))
(should (equal custom--test-variable 'baz))
;; Enable and then disable.
(enable-theme 'custom--test)
(disable-theme 'custom--test)
;; The variables should have the changed values, by reverting.
(should (equal custom--test-user-option 'baz))
(should (equal custom--test-variable 'baz))))
;; This tests Bug#5358.
(ert-deftest custom-test-show-comment-preserves-changes ()
"Test that adding a comment doesn't discard modifications in progress."
(customize-option 'custom--test-user-option)
(let* ((field (seq-find (lambda (widget)
(eq custom--test-user-option (widget-value widget)))
widget-field-list))
(parent (widget-get field :parent))
(origvalue (widget-value field)))
;; Move to the end of the text of the widget, and modify it. This
;; modification should be preserved after showing the comment field.
(goto-char (widget-field-text-end field))
(insert "bar")
(custom-comment-show parent)
;; From now on, must use `widget-at' to get the value of the widget.
(should-not (eq origvalue (widget-value (widget-at))))
(should (eq (widget-get parent :custom-state) 'modified))
(should (eq (widget-value (widget-at))
(widget-apply field
:value-to-external
(concat
(widget-apply field :value-to-internal origvalue)
"bar"))))))
(defconst custom-test-admin-cus-test
(expand-file-name "admin/cus-test.el" source-directory))
(declare-function cus-test-opts custom-test-admin-cus-test)
(ert-deftest check-for-wrong-custom-types ()
:tags '(:expensive-test)
(skip-unless (file-readable-p custom-test-admin-cus-test))
(load custom-test-admin-cus-test)
(should (null (cus-test-opts t))))
(ert-deftest custom-test-enable-theme-keeps-settings ()
"Test that enabling a theme doesn't change its settings."
(let* ((custom-theme-load-path `(,(ert-resource-directory)))
settings)
(load-theme 'custom--test 'no-confirm 'no-enable)
(setq settings (get 'custom--test 'theme-settings))
(enable-theme 'custom--test)
(should (equal settings (get 'custom--test 'theme-settings)))))
(defcustom custom--test-local-option 'initial
"Buffer-local user option for testing."
:group 'emacs
:type '(choice (const initial) (const changed))
:local t)
(defcustom custom--test-permanent-option 'initial
"Permanently local user option for testing."
:group 'emacs
:type '(choice (const initial) (const changed))
:local 'permanent)
(ert-deftest custom-test-local-option ()
"Test :local user options."
;; Initial default values.
(should (eq custom--test-local-option 'initial))
(should (eq custom--test-permanent-option 'initial))
(should (eq (default-value 'custom--test-local-option) 'initial))
(should (eq (default-value 'custom--test-permanent-option) 'initial))
(let ((obuf (current-buffer)))
(with-temp-buffer
;; Changed buffer-local values.
(setq custom--test-local-option 'changed)
(setq custom--test-permanent-option 'changed)
(should (eq custom--test-local-option 'changed))
(should (eq custom--test-permanent-option 'changed))
(should (eq (default-value 'custom--test-local-option) 'initial))
(should (eq (default-value 'custom--test-permanent-option) 'initial))
(with-current-buffer obuf
(should (eq custom--test-local-option 'initial))
(should (eq custom--test-permanent-option 'initial)))
;; Permanent variable remains unchanged.
(kill-all-local-variables)
(should (eq custom--test-local-option 'initial))
(should (eq custom--test-permanent-option 'changed))
(should (eq (default-value 'custom--test-local-option) 'initial))
(should (eq (default-value 'custom--test-permanent-option) 'initial)))))
;;; custom-tests.el ends here
|