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535b65875e
* lisp/image/exif.el: New file (bug#23070). * test/lisp/image/exif-tests.el: Add some basic tests.
44 lines
1.5 KiB
EmacsLisp
44 lines
1.5 KiB
EmacsLisp
;;; exif-tests.el --- tests for exif.el -*- lexical-binding: t -*-
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;; Copyright (C) 2019 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert)
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(require 'exif)
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(require 'seq)
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(defun test-image-file (name)
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(expand-file-name
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name (expand-file-name "data/image"
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(or (getenv "EMACS_TEST_DIRECTORY")
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"../../"))))
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(defun exif-elem (exif elem)
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(plist-get (seq-find (lambda (e)
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(eq elem (plist-get e :tag-name)))
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exif)
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:value))
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(ert-deftest test-exif-parse ()
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(let ((exif (exif-parse (test-image-file "black.jpg"))))
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(should (equal (exif-elem exif 'make) "Panasonic"))
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(should (equal (exif-elem exif 'orientation) 1))
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(should (equal (exif-elem exif 'x-resolution) '(180 . 1)))))
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;;; exif-tests.el ends here
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