# -*- coding: utf-8 -*- # ****************************************************************************** # # Copyright (C) 2009 Olivier Tilloy # # 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 # # ****************************************************************************** import unittest from pyexiv2.iptc import IptcTag, IptcValueError from pyexiv2.utils import FixedOffset import datetime class IptcTagMock(IptcTag): def __init__(self, key, type): super(IptcTagMock, self).__init__(key, '', '', '', type, []) def _init_values(self): pass class ImageMetadataMock(object): tags = {} def _set_iptc_tag_values(self, key, values): self.tags[key] = values def _delete_iptc_tag(self, key): try: del self.tags[key] except KeyError: pass class TestIptcTag(unittest.TestCase): def test_convert_to_python_short(self): type = 'Short' # Valid values tag = IptcTagMock('Iptc.Envelope.FileFormat', type) self.assertEqual(tag._convert_to_python('23'), 23) self.assertEqual(tag._convert_to_python('+5628'), 5628) self.assertEqual(tag._convert_to_python('-4'), -4) # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'abc') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '5,64') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '47.0001') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '1E3') def test_convert_to_string_short(self): type = 'Short' # Valid values tag = IptcTagMock('Iptc.Envelope.FileFormat', type) self.assertEqual(tag._convert_to_string(123), '123') self.assertEqual(tag._convert_to_string(-57), '-57') # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid') self.failUnlessRaises(IptcValueError, tag._convert_to_string, 3.14) def test_convert_to_python_string(self): type = 'String' # Valid values tag = IptcTagMock('Iptc.Application2.Subject', type) self.assertEqual(tag._convert_to_python('Some text.'), 'Some text.') self.assertEqual(tag._convert_to_python('Some text with exotic chàräctérʐ.'), 'Some text with exotic chàräctérʐ.') def test_convert_to_string_string(self): type = 'String' # Valid values tag = IptcTagMock('Iptc.Application2.Subject', type) self.assertEqual(tag._convert_to_string(u'Some text'), 'Some text') self.assertEqual(tag._convert_to_string(u'Some text with exotic chàräctérʐ.'), 'Some text with exotic chàräctérʐ.') self.assertEqual(tag._convert_to_string('Some text with exotic chàräctérʐ.'), 'Some text with exotic chàräctérʐ.') # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_string, None) def test_convert_to_python_date(self): type = 'Date' # Valid values tag = IptcTagMock('Iptc.Envelope.DateSent', type) self.assertEqual(tag._convert_to_python('1999-10-13'), datetime.date(1999, 10, 13)) # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'invalid') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '11/10/1983') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '-1000') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-02') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-10-32') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-02-24T22:12:54') def test_convert_to_string_date(self): type = 'Date' # Valid values tag = IptcTagMock('Iptc.Envelope.DateSent', type) self.assertEqual(tag._convert_to_string(datetime.date(2009, 2, 4)), '2009-02-04') self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13)), '1999-10-13') self.assertEqual(tag._convert_to_string(datetime.datetime(2009, 2, 4)), '2009-02-04') self.assertEqual(tag._convert_to_string(datetime.datetime(2009, 2, 4, 10, 52, 37)), '2009-02-04') # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid') self.failUnlessRaises(IptcValueError, tag._convert_to_string, None) def test_convert_to_python_time(self): type = 'Time' # Valid values tag = IptcTagMock('Iptc.Envelope.TimeSent', type) self.assertEqual(tag._convert_to_python('05:03:54+00:00'), datetime.time(5, 3, 54, tzinfo=FixedOffset())) self.assertEqual(tag._convert_to_python('05:03:54+06:00'), datetime.time(5, 3, 54, tzinfo=FixedOffset('+', 6, 0))) self.assertEqual(tag._convert_to_python('05:03:54-10:30'), datetime.time(5, 3, 54, tzinfo=FixedOffset('-', 10, 30))) # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'invalid') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '23:12:42') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '25:12:42+00:00') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '21:77:42+00:00') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '21:12:98+00:00') self.failUnlessRaises(IptcValueError, tag._convert_to_python, '081242+0000') def test_convert_to_string_time(self): type = 'Time' # Valid values tag = IptcTagMock('Iptc.Envelope.TimeSent', type) self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4)), '105204+0000') self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, 574)), '105204+0000') self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset())), '105204+0000') self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset('+', 5, 30))), '105204+0530') self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset('-', 4, 0))), '105204-0400') self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4)), '105204+0000') self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, 478)), '105204+0000') self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset())), '105204+0000') self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset('+', 5, 30))), '105204+0530') self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset('-', 4, 0))), '105204-0400') # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid') def test_convert_to_python_undefined(self): type = 'Undefined' # Valid values tag = IptcTagMock('Iptc.Envelope.CharacterSet', type) self.assertEqual(tag._convert_to_python('Some binary data.'), 'Some binary data.') self.assertEqual(tag._convert_to_python('�lj1�eEϟ�u����ᒻ;C(�SpI]���QI�}'), '�lj1�eEϟ�u����ᒻ;C(�SpI]���QI�}') def test_convert_to_string_undefined(self): type = 'Undefined' # Valid values tag = IptcTagMock('Iptc.Envelope.CharacterSet', type) self.assertEqual(tag._convert_to_string('Some binary data.'), 'Some binary data.') self.assertEqual(tag._convert_to_string('�lj1�eEϟ�u����ᒻ;C(�SpI]���QI�}'), '�lj1�eEϟ�u����ᒻ;C(�SpI]���QI�}') # Invalid values self.failUnlessRaises(IptcValueError, tag._convert_to_string, None) def test_set_single_value_raises(self): tag = IptcTag('Iptc.Application2.City', 'City', 'City', 'Identifies ' \ 'city of object data origin according to guidelines ' \ 'established by the provider.', 'String', ['Seattle']) self.failUnlessRaises(TypeError, tag._set_values, 'Barcelona') def test_set_values_no_metadata(self): tag = IptcTag('Iptc.Application2.City', 'City', 'City', 'Identifies ' \ 'city of object data origin according to guidelines ' \ 'established by the provider.', 'String', ['Seattle']) old_values = tag.values tag.values = ['Barcelona'] self.failIfEqual(tag.values, old_values) def test_set_values_with_metadata(self): tag = IptcTag('Iptc.Application2.City', 'City', 'City', 'Identifies ' \ 'city of object data origin according to guidelines ' \ 'established by the provider.', 'String', ['Seattle']) tag.metadata = ImageMetadataMock() old_values = tag.values tag.values = ['Barcelona'] self.failIfEqual(tag.values, old_values) self.assertEqual(tag.metadata.tags[tag.key], ['Barcelona']) def test_del_values_no_metadata(self): tag = IptcTag('Iptc.Application2.City', 'City', 'City', 'Identifies ' \ 'city of object data origin according to guidelines ' \ 'established by the provider.', 'String', ['Seattle']) del tag.values self.failIf(hasattr(tag, 'values')) def test_del_values_with_metadata(self): tag = IptcTag('Iptc.Application2.City', 'City', 'City', 'Identifies ' \ 'city of object data origin according to guidelines ' \ 'established by the provider.', 'String', ['Seattle']) tag.metadata = ImageMetadataMock() tag.metadata._set_iptc_tag_values(tag.key, tag.to_string()) self.assertEqual(tag.metadata.tags, {tag.key: ['Seattle']}) del tag.values self.failIf(hasattr(tag, 'values')) self.failIf(tag.metadata.tags.has_key(tag.key))