Unit test reading comments off existing files.

1 files changed, 60 insertions, 0 deletions

diff --git a/test/usercomment.py b/test/usercomment.py
new file mode 100644
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--- /dev/null
+++ b/test/usercomment.py
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+# -*- coding: utf-8 -*-
+
+# ******************************************************************************
+#
+# Copyright (C) 2010 Olivier Tilloy <olivier@tilloy.net>
+#
+# This file is part of the pyexiv2 distribution.
+#
+# pyexiv2 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 2
+# of the License, or (at your option) any later version.
+#
+# pyexiv2 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 pyexiv2; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
+#
+# Author: Olivier Tilloy <olivier@tilloy.net>
+#
+# ******************************************************************************
+
+from pyexiv2.metadata import ImageMetadata
+
+import unittest
+import testutils
+import os.path
+
+
+class TestUserComment(unittest.TestCase):
+
+    def _read_image(self, filename, checksum):
+        filepath = testutils.get_absolute_file_path(os.path.join('data', filename))
+        self.assert_(testutils.CheckFileSum(filepath, checksum))
+        m = ImageMetadata(filepath)
+        m.read()
+        return m
+
+    def test_ascii(self):
+        m = self._read_image('usercomment-ascii.jpg', 'ad29ac65fb6f63c8361aaed6cb02f8c7')
+        tag = m['Exif.Photo.UserComment']
+        self.assertEqual(tag.raw_value, 'charset="Ascii" deja vu')
+        self.assertEqual(tag.value, u'deja vu')
+
+    def test_unicode_little_endian(self):
+        m = self._read_image('usercomment-unicode-ii.jpg', '13b7cc09129a8677f2cf18634f5abd3c')
+        tag = m['Exif.Photo.UserComment']
+        self.assertEqual(tag.raw_value, 'charset="Unicode" d\x00\xe9\x00j\x00\xe0\x00 \x00v\x00u\x00')
+        self.assertEqual(tag.value, u'déjà vu')
+
+    def test_unicode_big_endian(self):
+        m = self._read_image('usercomment-unicode-mm.jpg', '7addfed7823c556ba489cd4ab2037200')
+        tag = m['Exif.Photo.UserComment']
+        self.assertEqual(tag.raw_value, 'charset="Unicode" \x00d\x00\xe9\x00j\x00\xe0\x00 \x00v\x00u')
+        self.assertEqual(tag.value, u'déjà vu')
+