EXIF unit tests.

1 files changed, 53 insertions, 0 deletions

diff --git a/unittest/exif.py b/unittest/exif.py
new file mode 100644
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--- /dev/null
+++ b/unittest/exif.py
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+# -*- coding: utf-8 -*-
+
+# ******************************************************************************
+#
+# Copyright (C) 2009 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>
+#
+# ******************************************************************************
+
+import unittest
+from pyexiv2 import ExifTag, ExifValueError
+
+
+class TestExifTag(unittest.TestCase):
+
+    def test_convert_to_python_short(self):
+        xtype = 'Short'
+        # Valid values
+        self.assertEqual(ExifTag._convert_to_python('23', xtype), 23)
+        self.assertEqual(ExifTag._convert_to_python('+5628', xtype), 5628)
+        self.assertEqual(ExifTag._convert_to_python('-4', xtype), -4)
+        # Invalid values
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, 'abc', xtype)
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '5,64', xtype)
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '47.0001', xtype)
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '1E3', xtype)
+
+    def test_convert_to_string_short(self):
+        xtype = 'Short'
+        # Valid values
+        self.assertEqual(ExifTag._convert_to_string(123, xtype), '123')
+        self.assertEqual(ExifTag._convert_to_string(-57, xtype), '-57')
+        # Invalid values
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, 'invalid', xtype)
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, '3.14', xtype)
+        self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, '1E3', xtype)