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| author | Lars Ingebrigtsen <larsi@gnus.org> | 2019-09-21 18:13:05 +0200 |
|---|---|---|
| committer | Lars Ingebrigtsen <larsi@gnus.org> | 2019-09-21 18:13:11 +0200 |
| commit | 535b65875e7e47e1fd6bec1753f687592ae600b8 (patch) | |
| tree | 4a54aee8bf3a1cff9a032d323a0a2ae4a4d5091d /test | |
| parent | 56985dd8a69fc2729422cf8f95efbd03ee6b021e (diff) | |
| download | emacs-535b65875e7e47e1fd6bec1753f687592ae600b8.tar.gz emacs-535b65875e7e47e1fd6bec1753f687592ae600b8.tar.bz2 emacs-535b65875e7e47e1fd6bec1753f687592ae600b8.zip | |
Add an Exif parsing library
* lisp/image/exif.el: New file (bug#23070).
* test/lisp/image/exif-tests.el: Add some basic tests.
Diffstat (limited to 'test')
| -rw-r--r-- | test/data/image/black.jpg | bin | 0 -> 52456 bytes | |||
| -rw-r--r-- | test/lisp/image/exif-tests.el | 44 |
2 files changed, 44 insertions, 0 deletions
diff --git a/test/data/image/black.jpg b/test/data/image/black.jpg Binary files differnew file mode 100644 index 00000000000..be9af2a9a05 --- /dev/null +++ b/test/data/image/black.jpg diff --git a/test/lisp/image/exif-tests.el b/test/lisp/image/exif-tests.el new file mode 100644 index 00000000000..d6b46980d77 --- /dev/null +++ b/test/lisp/image/exif-tests.el @@ -0,0 +1,44 @@ +;;; exif-tests.el --- tests for exif.el -*- lexical-binding: t -*- + +;; Copyright (C) 2019 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) +(require 'seq) + +(defun test-image-file (name) + (expand-file-name + name (expand-file-name "data/image" + (or (getenv "EMACS_TEST_DIRECTORY") + "../../")))) + +(defun exif-elem (exif elem) + (plist-get (seq-find (lambda (e) + (eq elem (plist-get e :tag-name))) + exif) + :value)) + +(ert-deftest test-exif-parse () + (let ((exif (exif-parse (test-image-file "black.jpg")))) + (should (equal (exif-elem exif 'make) "Panasonic")) + (should (equal (exif-elem exif 'orientation) 1)) + (should (equal (exif-elem exif 'x-resolution) '(180 . 1))))) + +;;; exif-tests.el ends here |
