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emacs/test/lisp/image/exif-tests.el
2024-01-02 09:47:10 +08:00

50 lines
1.9 KiB
EmacsLisp

;;; exif-tests.el --- tests for exif.el -*- lexical-binding: t -*-
;; Copyright (C) 2019-2024 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 'exif)
(defun test-image-file (name)
(expand-file-name
name (expand-file-name "data/image"
(or (getenv "EMACS_TEST_DIRECTORY")
"../../"))))
(ert-deftest test-exif-parse ()
(let ((exif (exif-parse-file (test-image-file "black.jpg"))))
(should (equal (exif-field 'make exif) "Panasonic"))
(should (equal (exif-field 'orientation exif) 1))
(should (equal (exif-field 'x-resolution exif) '(180 . 1)))
(should (equal (exif-field 'date-time exif) "2019:09:21 16:22:13"))))
(ert-deftest test-exif-parse-short ()
(let ((exif (exif-parse-file (test-image-file "black-short.jpg"))))
(should (equal (exif-field 'make exif) "thr"))
(should (equal (exif-field 'model exif) "four"))
(should (equal (exif-field 'software exif) "em"))
(should (equal (exif-field 'artist exif) "z"))))
(ert-deftest test-exit-direct-ascii-value ()
(should (equal (exif--direct-ascii-value 28005 2 t) (string ?e ?m 0)))
(should (equal (exif--direct-ascii-value 28005 2 nil) (string ?m ?e 0))))
;;; exif-tests.el ends here