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;;; image-dired-util-tests.el --- Tests for image-dired.el -*- lexical-binding: t -*-
;; Copyright (C) 2022-2023 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'ert-x)
(require 'image-dired)
(require 'image-dired-util)
(require 'xdg)
(ert-deftest image-dired-thumb-name/standard ()
(let ((image-dired-thumbnail-storage 'standard))
(should (file-name-absolute-p (image-dired-thumb-name "foo.jpg")))
(should (file-name-absolute-p (image-dired-thumb-name "/tmp/foo.jpg")))
(should (equal
(file-name-directory (image-dired-thumb-name "foo.jpg"))
(file-name-directory (image-dired-thumb-name "/tmp/foo.jpg"))))
(should (string-search (xdg-cache-home)
(image-dired-thumb-name "foo.jpg")))
(should (string-match (rx (in "0-9a-f") ".png")
(image-dired-thumb-name "foo.jpg")))))
(ert-deftest image-dired-thumb-name/image-dired ()
;; Avoid trying to create `image-dired-dir'.
(ert-with-temp-directory dir
(let ((image-dired-dir dir)
(image-dired-thumbnail-storage 'image-dired))
(should (file-name-absolute-p (image-dired-thumb-name "foo.jpg")))
(should (file-name-absolute-p (image-dired-thumb-name "/tmp/foo.jpg")))
(should (equal
(file-name-directory (image-dired-thumb-name "foo.jpg"))
(file-name-directory (image-dired-thumb-name "/tmp/foo.jpg"))))
(should
(let* ((test-fn "/some/path/foo.jpg")
(thumb-fn (image-dired-thumb-name test-fn)))
(equal (file-name-nondirectory thumb-fn)
(concat (sha1 (expand-file-name test-fn)) ".jpg"))))
(should (equal (file-name-extension
(image-dired-thumb-name "foo.gif"))
"jpg")))))
(ert-deftest image-dired-thumb-name/per-directory ()
(let ((image-dired-thumbnail-storage 'per-directory))
(should (file-name-absolute-p (image-dired-thumb-name "foo.jpg")))
(should (file-name-absolute-p (image-dired-thumb-name "/tmp/foo.jpg")))
(should (equal
(file-name-nondirectory (image-dired-thumb-name "foo.jpg"))
(file-name-nondirectory (image-dired-thumb-name "/tmp/foo.jpg"))))
;; The cdr below avoids the system dependency in the car of the
;; list returned by 'file-name-split': it's "" on Posix systems,
;; but the drive letter on MS-Windows.
(should (equal (cdr (file-name-split
(image-dired-thumb-name "/tmp/foo.jpg")))
'("tmp" ".image-dired" "foo.jpg.thumb.jpg")))
(should (equal (file-name-nondirectory
(image-dired-thumb-name "foo.jpg"))
"foo.jpg.thumb.jpg"))))
;;; image-dired-util-tests.el ends here
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