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
|
;;; uniquify-tests.el --- Tests for uniquify -*- lexical-binding: t; -*-
;; Copyright (C) 2023-2025 Free Software Foundation, Inc.
;; Author: Spencer Baugh <sbaugh@janestreet.com>
;; This program 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.
;; This program 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/>.
;;; Commentary:
;;; Code:
(require 'ert)
(require 'ert-x)
(ert-deftest uniquify-basic ()
(let (bufs old-names)
(cl-flet ((names-are (current-names &optional nosave)
(should (equal (mapcar #'buffer-name bufs) current-names))
(unless nosave (push current-names old-names))))
(should (eq (get-buffer "z") nil))
(push (find-file-noselect "a/b/z") bufs)
(names-are '("z"))
(push (find-file-noselect "a/b/c/z") bufs)
(names-are '("z<c>" "z<b>"))
(push (find-file-noselect "a/b/d/z") bufs)
(names-are '("z<d>" "z<c>" "z<b>"))
(push (find-file-noselect "e/b/z") bufs)
(names-are '("z<e/b>" "z<d>" "z<c>" "z<a/b>"))
;; buffers without a buffer-file-name don't get uniquified by uniquify
(push (generate-new-buffer "z") bufs)
(names-are '("z" "z<e/b>" "z<d>" "z<c>" "z<a/b>"))
;; but they do get uniquified by the C code which uses <n>
(push (generate-new-buffer "z") bufs)
(names-are '("z<2>" "z" "z<e/b>" "z<d>" "z<c>" "z<a/b>"))
(save-excursion
;; uniquify will happily work with file-visiting buffers whose names don't match buffer-file-name
(find-file "f/y")
(push (current-buffer) bufs)
(rename-buffer "z" t)
(names-are '("z<f>" "z<2>" "z" "z<e/b>" "z<d>" "z<c>" "z<a/b>") 'nosave)
;; somewhat confusing behavior results if a buffer is renamed to match an already-uniquified buffer
(rename-buffer "z<a/b>" t)
(names-are '("z<a/b><f>" "z<2>" "z" "z<e/b>" "z<d>" "z<c>" "z<a/b>") 'nosave))
(while bufs
(kill-buffer (pop bufs))
(names-are (pop old-names) 'nosave)))))
(ert-deftest uniquify-dirs ()
"Check strip-common-suffix and trailing-separator-p work together; bug#47132"
(ert-with-temp-directory root
(let ((a-path (file-name-concat root "a/x/y/dir"))
(b-path (file-name-concat root "b/x/y/dir")))
(make-directory a-path 'parents)
(make-directory b-path 'parents)
(let ((uniquify-buffer-name-style 'forward)
(uniquify-strip-common-suffix t)
(uniquify-trailing-separator-p nil))
(let ((bufs (list (find-file-noselect a-path)
(find-file-noselect b-path))))
(should (equal (mapcar #'buffer-name bufs)
'("a/dir" "b/dir")))
(mapc #'kill-buffer bufs)))
(let ((uniquify-buffer-name-style 'forward)
(uniquify-strip-common-suffix nil)
(uniquify-trailing-separator-p t))
(let ((bufs (list (find-file-noselect a-path)
(find-file-noselect b-path))))
(should (equal (mapcar #'buffer-name bufs)
'("a/x/y/dir/" "b/x/y/dir/")))
(mapc #'kill-buffer bufs)))
(let ((uniquify-buffer-name-style 'forward)
(uniquify-strip-common-suffix t)
(uniquify-trailing-separator-p t))
(let ((bufs (list (find-file-noselect a-path)
(find-file-noselect b-path))))
(should (equal (mapcar #'buffer-name bufs)
'("a/dir/" "b/dir/")))
(mapc #'kill-buffer bufs))))))
(ert-deftest uniquify-rename-to-dir ()
"Giving a buffer a name which matches a directory doesn't rename the buffer"
(let ((uniquify-buffer-name-style 'forward)
(uniquify-trailing-separator-p t))
(save-excursion
(find-file "../README")
(rename-buffer "lisp" t)
(should (equal (buffer-name) "lisp"))
(kill-buffer))))
(ert-deftest uniquify-separator-style-reverse ()
(let ((uniquify-buffer-name-style 'reverse)
(uniquify-trailing-separator-p t))
(save-excursion
(should (file-directory-p "../lib-src"))
(find-file "../lib-src")
(should (equal (buffer-name) "\\lib-src"))
(kill-buffer))))
(ert-deftest uniquify-separator-ignored ()
"If uniquify-buffer-name-style isn't forward or reverse,
uniquify-trailing-separator-p is ignored"
(let ((uniquify-buffer-name-style 'post-forward-angle-brackets)
(uniquify-trailing-separator-p t))
(save-excursion
(should (file-directory-p "../lib-src"))
(find-file "../lib-src")
(should (equal (buffer-name) "lib-src"))
(kill-buffer))))
(ert-deftest uniquify-space-prefix ()
"If a buffer starts with a space, | is added at the start"
(save-excursion
(find-file " foo")
(should (equal (buffer-name) "| foo"))
(kill-buffer)))
(require 'project)
(ert-deftest uniquify-project-transform ()
"`project-uniquify-dirname-transform' works"
(skip-unless (project-current nil source-directory))
(let ((uniquify-dirname-transform #'project-uniquify-dirname-transform)
(project-vc-name "foo1/bar")
bufs)
(save-excursion
(let ((default-directory (expand-file-name "test/" source-directory)))
(should (file-exists-p "../README"))
(push (find-file-noselect "../README") bufs)
(push (find-file-noselect "other/README") bufs)
(should (equal (mapcar #'buffer-name bufs)
'("README<other>" "README<bar>")))
(push (find-file-noselect "foo2/bar/README") bufs)
(should (equal (mapcar #'buffer-name bufs)
'("README<foo2/bar>" "README<other>"
"README<foo1/bar>")))
(while bufs
(kill-buffer (pop bufs)))))))
(provide 'uniquify-tests)
;;; uniquify-tests.el ends here
|
