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|
# -*- coding: utf-8 -*-
# ******************************************************************************
#
# Copyright (C) 2009-2011 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.xmp import XmpTag, XmpValueError, register_namespace, \
unregister_namespace, unregister_namespaces
from pyexiv2.utils import FixedOffset, make_fraction
from pyexiv2.metadata import ImageMetadata
import datetime
from testutils import EMPTY_JPG_DATA
# Optional dependency on python-tz, more tests can be run if it is installed
try:
import pytz
except ImportError:
pytz = None
class TestXmpTag(unittest.TestCase):
def test_convert_to_python_bag(self):
# Valid values
tag = XmpTag('Xmp.dc.subject')
self.assertEqual(tag.type, 'bag Text')
self.assertEqual(tag._convert_to_python('', 'Text'), u'')
self.assertEqual(tag._convert_to_python('One value only', 'Text'),
u'One value only')
def test_convert_to_string_bag(self):
# Valid values
tag = XmpTag('Xmp.dc.subject')
self.assertEqual(tag.type, 'bag Text')
self.assertEqual(tag._convert_to_string(u'', 'Text'), '')
self.assertEqual(tag._convert_to_string('One value only', 'Text'), 'One value only')
self.assertEqual(tag._convert_to_string(u'One value only', 'Text'), 'One value only')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, [1, 2, 3], 'Text')
def test_convert_to_python_boolean(self):
# Valid values
tag = XmpTag('Xmp.xmpRights.Marked')
self.assertEqual(tag.type, 'Boolean')
self.assertEqual(tag._convert_to_python('True', 'Boolean'), True)
self.assertEqual(tag._convert_to_python('False', 'Boolean'), False)
# Invalid values: not converted
self.failUnlessRaises(XmpValueError, tag._convert_to_python, 'invalid', 'Boolean')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, None, 'Boolean')
def test_convert_to_string_boolean(self):
# Valid values
tag = XmpTag('Xmp.xmpRights.Marked')
self.assertEqual(tag.type, 'Boolean')
self.assertEqual(tag._convert_to_string(True, 'Boolean'), 'True')
self.assertEqual(tag._convert_to_string(False, 'Boolean'), 'False')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, 'invalid', 'Boolean')
self.failUnlessRaises(XmpValueError, tag._convert_to_string, None, 'Boolean')
def test_convert_to_python_date(self):
# Valid values
tag = XmpTag('Xmp.xmp.CreateDate')
self.assertEqual(tag.type, 'Date')
self.assertEqual(tag._convert_to_python('1999', 'Date'),
datetime.date(1999, 1, 1))
self.assertEqual(tag._convert_to_python('1999-10', 'Date'),
datetime.date(1999, 10, 1))
self.assertEqual(tag._convert_to_python('1999-10-13', 'Date'),
datetime.date(1999, 10, 13))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03Z', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset()),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03+06:00', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset('+', 6, 0)),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03-06:00', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset('-', 6, 0)),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03:54Z', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, 54, tzinfo=FixedOffset()),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03:54+06:00', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, 54, tzinfo=FixedOffset('+', 6, 0)),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03:54-06:00', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, 54, tzinfo=FixedOffset('-', 6, 0)),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03:54.721Z', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, 54, 721000, tzinfo=FixedOffset()),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03:54.721+06:00', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, 54, 721000, tzinfo=FixedOffset('+', 6, 0)),
datetime.timedelta(0))
self.assertEqual(tag._convert_to_python('1999-10-13T05:03:54.721-06:00', 'Date') - \
datetime.datetime(1999, 10, 13, 5, 3, 54, 721000, tzinfo=FixedOffset('-', 6, 0)),
datetime.timedelta(0))
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_python, 'invalid', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '11/10/1983', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '-1000', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '2009-13', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '2009-10-32', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '2009-10-30T25:12Z', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '2009-10-30T23:67Z', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '2009-01-22T21', 'Date')
def test_convert_to_string_date(self):
# Valid values
tag = XmpTag('Xmp.xmp.CreateDate')
self.assertEqual(tag.type, 'Date')
self.assertEqual(tag._convert_to_string(datetime.date(2009, 2, 4), 'Date'),
'2009-02-04')
self.assertEqual(tag._convert_to_string(datetime.date(1899, 12, 31), 'Date'),
'1899-12-31')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13), 'Date'),
'1999-10-13')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3), 'Date'),
'1999-10-13T05:03Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59), 'Date'),
'1899-12-31T23:59Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset()), 'Date'),
'1999-10-13T05:03Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, tzinfo=FixedOffset()), 'Date'),
'1899-12-31T23:59Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset('+', 5, 30)), 'Date'),
'1999-10-13T05:03+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, tzinfo=FixedOffset('-', 11, 30)), 'Date'),
'1999-10-13T05:03-11:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, tzinfo=FixedOffset('+', 5, 30)), 'Date'),
'1899-12-31T23:59+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27), 'Date'),
'1999-10-13T05:03:27Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59), 'Date'),
'1899-12-31T23:59:59Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, tzinfo=FixedOffset()), 'Date'),
'1999-10-13T05:03:27Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset()), 'Date'),
'1899-12-31T23:59:59Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, tzinfo=FixedOffset('+', 5, 30)), 'Date'),
'1999-10-13T05:03:27+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, tzinfo=FixedOffset('-', 11, 30)), 'Date'),
'1999-10-13T05:03:27-11:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset('+', 5, 30)), 'Date'),
'1899-12-31T23:59:59+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, 124300), 'Date'),
'1999-10-13T05:03:27.1243Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, 124300), 'Date'),
'1899-12-31T23:59:59.1243Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, 124300, tzinfo=FixedOffset()), 'Date'),
'1999-10-13T05:03:27.1243Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, 124300, tzinfo=FixedOffset()), 'Date'),
'1899-12-31T23:59:59.1243Z')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, 124300, tzinfo=FixedOffset('+', 5, 30)), 'Date'),
'1999-10-13T05:03:27.1243+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13, 5, 3, 27, 124300, tzinfo=FixedOffset('-', 11, 30)), 'Date'),
'1999-10-13T05:03:27.1243-11:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, 124300, tzinfo=FixedOffset('+', 5, 30)), 'Date'),
'1899-12-31T23:59:59.1243+05:30')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, 'invalid', 'Date')
self.failUnlessRaises(XmpValueError, tag._convert_to_string, None, 'Date')
def test_convert_to_string_date_with_real_timezones(self):
if pytz is None:
# Poor man’s test skipping. Starting with Python 2.7, decorators are
# available to implement this in a cleaner fashion
# (http://docs.python.org/library/unittest.html#unittest-skipping).
print 'Install python-tz to run this test. Skipping.'
return
tag = XmpTag('Xmp.xmp.CreateDate')
self.assertEqual(tag.type, 'Date')
t = pytz.timezone('UTC').localize(datetime.datetime(2011, 2, 2, 10, 52, 4))
self.assertEqual(tag._convert_to_string(t, 'Date'), '2011-02-02T10:52:04Z')
t = pytz.timezone('CET').localize(datetime.datetime(2011, 2, 2, 10, 52, 4))
self.assertEqual(tag._convert_to_string(t, 'Date'), '2011-02-02T10:52:04+01:00')
def test_convert_to_python_integer(self):
# Valid values
tag = XmpTag('Xmp.xmpMM.SaveID')
self.assertEqual(tag.type, 'Integer')
self.assertEqual(tag._convert_to_python('23', 'Integer'), 23)
self.assertEqual(tag._convert_to_python('+5628', 'Integer'), 5628)
self.assertEqual(tag._convert_to_python('-4', 'Integer'), -4)
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_python, 'abc', 'Integer')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '5,64', 'Integer')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '47.0001', 'Integer')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '1E3', 'Integer')
def test_convert_to_string_integer(self):
# Valid values
tag = XmpTag('Xmp.xmpMM.SaveID')
self.assertEqual(tag.type, 'Integer')
self.assertEqual(tag._convert_to_string(123, 'Integer'), '123')
self.assertEqual(tag._convert_to_string(-57, 'Integer'), '-57')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, 'invalid', 'Integer')
self.failUnlessRaises(XmpValueError, tag._convert_to_string, 3.14, 'Integer')
def test_convert_to_python_mimetype(self):
# Valid values
tag = XmpTag('Xmp.dc.format')
self.assertEqual(tag.type, 'MIMEType')
self.assertEqual(tag._convert_to_python('image/jpeg', 'MIMEType'),
('image', 'jpeg'))
self.assertEqual(tag._convert_to_python('video/ogg', 'MIMEType'),
('video', 'ogg'))
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_python, 'invalid', 'MIMEType')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, 'image-jpeg', 'MIMEType')
def test_convert_to_string_mimetype(self):
# Valid values
tag = XmpTag('Xmp.dc.format')
self.assertEqual(tag.type, 'MIMEType')
self.assertEqual(tag._convert_to_string(('image', 'jpeg'), 'MIMEType'), 'image/jpeg')
self.assertEqual(tag._convert_to_string(('video', 'ogg'), 'MIMEType'), 'video/ogg')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, 'invalid', 'MIMEType')
self.failUnlessRaises(XmpValueError, tag._convert_to_string, ('image',), 'MIMEType')
def test_convert_to_python_propername(self):
# Valid values
tag = XmpTag('Xmp.photoshop.CaptionWriter')
self.assertEqual(tag.type, 'ProperName')
self.assertEqual(tag._convert_to_python('Gérard', 'ProperName'), u'Gérard')
self.assertEqual(tag._convert_to_python('Python Software Foundation', 'ProperName'), u'Python Software Foundation')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_python, None, 'ProperName')
def test_convert_to_string_propername(self):
# Valid values
tag = XmpTag('Xmp.photoshop.CaptionWriter')
self.assertEqual(tag.type, 'ProperName')
self.assertEqual(tag._convert_to_string('Gérard', 'ProperName'), 'Gérard')
self.assertEqual(tag._convert_to_string(u'Gérard', 'ProperName'), 'Gérard')
self.assertEqual(tag._convert_to_string(u'Python Software Foundation', 'ProperName'), 'Python Software Foundation')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, None, 'ProperName')
def test_convert_to_python_text(self):
# Valid values
tag = XmpTag('Xmp.dc.source')
self.assertEqual(tag.type, 'Text')
self.assertEqual(tag._convert_to_python('Some text.', 'Text'), u'Some text.')
self.assertEqual(tag._convert_to_python('Some text with exotic chàräctérʐ.', 'Text'),
u'Some text with exotic chàräctérʐ.')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_python, None, 'Text')
def test_convert_to_string_text(self):
# Valid values
tag = XmpTag('Xmp.dc.source')
self.assertEqual(tag.type, 'Text')
self.assertEqual(tag._convert_to_string(u'Some text', 'Text'), 'Some text')
self.assertEqual(tag._convert_to_string(u'Some text with exotic chàräctérʐ.', 'Text'),
'Some text with exotic chàräctérʐ.')
self.assertEqual(tag._convert_to_string('Some text with exotic chàräctérʐ.', 'Text'),
'Some text with exotic chàräctérʐ.')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, None, 'Text')
def test_convert_to_python_uri(self):
# Valid values
tag = XmpTag('Xmp.xmpMM.DocumentID')
self.assertEqual(tag.type, 'URI')
self.assertEqual(tag._convert_to_python('http://example.com', 'URI'), 'http://example.com')
self.assertEqual(tag._convert_to_python('https://example.com', 'URI'), 'https://example.com')
self.assertEqual(tag._convert_to_python('http://localhost:8000/resource', 'URI'),
'http://localhost:8000/resource')
self.assertEqual(tag._convert_to_python('uuid:9A3B7F52214211DAB6308A7391270C13', 'URI'),
'uuid:9A3B7F52214211DAB6308A7391270C13')
def test_convert_to_string_uri(self):
# Valid values
tag = XmpTag('Xmp.xmpMM.DocumentID')
self.assertEqual(tag.type, 'URI')
self.assertEqual(tag._convert_to_string('http://example.com', 'URI'), 'http://example.com')
self.assertEqual(tag._convert_to_string(u'http://example.com', 'URI'), 'http://example.com')
self.assertEqual(tag._convert_to_string('https://example.com', 'URI'), 'https://example.com')
self.assertEqual(tag._convert_to_string('http://localhost:8000/resource', 'URI'),
'http://localhost:8000/resource')
self.assertEqual(tag._convert_to_string('uuid:9A3B7F52214211DAB6308A7391270C13', 'URI'),
'uuid:9A3B7F52214211DAB6308A7391270C13')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, None, 'URI')
def test_convert_to_python_url(self):
# Valid values
tag = XmpTag('Xmp.xmp.BaseURL')
self.assertEqual(tag.type, 'URL')
self.assertEqual(tag._convert_to_python('http://example.com', 'URL'), 'http://example.com')
self.assertEqual(tag._convert_to_python('https://example.com', 'URL'), 'https://example.com')
self.assertEqual(tag._convert_to_python('http://localhost:8000/resource', 'URL'),
'http://localhost:8000/resource')
def test_convert_to_string_url(self):
# Valid values
tag = XmpTag('Xmp.xmp.BaseURL')
self.assertEqual(tag.type, 'URL')
self.assertEqual(tag._convert_to_string('http://example.com', 'URL'), 'http://example.com')
self.assertEqual(tag._convert_to_string(u'http://example.com', 'URL'), 'http://example.com')
self.assertEqual(tag._convert_to_string('https://example.com', 'URL'), 'https://example.com')
self.assertEqual(tag._convert_to_string('http://localhost:8000/resource', 'URL'),
'http://localhost:8000/resource')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, None, 'URL')
def test_convert_to_python_rational(self):
# Valid values
tag = XmpTag('Xmp.xmpDM.videoPixelAspectRatio')
self.assertEqual(tag.type, 'Rational')
self.assertEqual(tag._convert_to_python('5/3', 'Rational'), make_fraction(5, 3))
self.assertEqual(tag._convert_to_python('-5/3', 'Rational'), make_fraction(-5, 3))
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_python, 'invalid', 'Rational')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '5 / 3', 'Rational')
self.failUnlessRaises(XmpValueError, tag._convert_to_python, '5/-3', 'Rational')
def test_convert_to_string_rational(self):
# Valid values
tag = XmpTag('Xmp.xmpDM.videoPixelAspectRatio')
self.assertEqual(tag.type, 'Rational')
self.assertEqual(tag._convert_to_string(make_fraction(5, 3), 'Rational'), '5/3')
self.assertEqual(tag._convert_to_string(make_fraction(-5, 3), 'Rational'), '-5/3')
# Invalid values
self.failUnlessRaises(XmpValueError, tag._convert_to_string, 'invalid', 'Rational')
# TODO: other types
def test_set_value(self):
tag = XmpTag('Xmp.xmp.ModifyDate', datetime.datetime(2005, 9, 7, 15, 9, 51, tzinfo=FixedOffset('-', 7, 0)))
old_value = tag.value
tag.value = datetime.datetime(2009, 4, 22, 8, 30, 27, tzinfo=FixedOffset())
self.failIfEqual(tag.value, old_value)
def test_set_value_empty(self):
tag = XmpTag('Xmp.dc.creator')
self.failUnlessEqual(tag.type, 'seq ProperName')
self.failUnlessRaises(ValueError, setattr, tag, 'value', [])
tag = XmpTag('Xmp.dc.title')
self.failUnlessEqual(tag.type, 'Lang Alt')
self.failUnlessRaises(ValueError, setattr, tag, 'value', {})
def test_set_value_incorrect_type(self):
# Expecting a list of values
tag = XmpTag('Xmp.dc.publisher')
self.failUnlessEqual(tag.type, 'bag ProperName')
self.failUnlessRaises(TypeError, setattr, tag, 'value', None)
self.failUnlessRaises(TypeError, setattr, tag, 'value', 'bleh')
# Expecting a dictionary mapping language codes to values
tag = XmpTag('Xmp.dc.description')
self.failUnlessEqual(tag.type, 'Lang Alt')
self.failUnlessRaises(TypeError, setattr, tag, 'value', None)
self.failUnlessRaises(TypeError, setattr, tag, 'value', ['bleh'])
def test_set_value_basestring_for_langalt(self):
tag = XmpTag('Xmp.dc.description')
self.failUnlessEqual(tag.type, 'Lang Alt')
tag.value = 'bleh'
self.failUnlessEqual(tag.value, {'x-default': 'bleh'})
class TestXmpNamespaces(unittest.TestCase):
def setUp(self):
self.metadata = ImageMetadata.from_buffer(EMPTY_JPG_DATA)
self.metadata.read()
def test_not_registered(self):
self.assertEqual(len(self.metadata.xmp_keys), 0)
key = 'Xmp.foo.bar'
value = 'foobar'
self.assertRaises(KeyError, self.metadata.__setitem__, key, value)
def test_name_must_end_with_slash(self):
self.assertRaises(ValueError, register_namespace, 'foobar', 'foo')
self.assertRaises(ValueError, unregister_namespace, 'foobar')
def test_cannot_register_builtin(self):
self.assertRaises(KeyError, register_namespace, 'foobar/', 'dc')
def test_cannot_register_twice(self):
name = 'foobar/'
prefix = 'boo'
register_namespace(name, prefix)
self.assertRaises(KeyError, register_namespace, name, prefix)
def test_register_and_set(self):
register_namespace('foobar/', 'bar')
key = 'Xmp.bar.foo'
value = 'foobar'
self.metadata[key] = value
self.assert_(key in self.metadata.xmp_keys)
def test_can_only_set_text_values(self):
# At the moment custom namespaces only support setting simple text
# values.
register_namespace('foobar/', 'far')
key = 'Xmp.far.foo'
value = datetime.date.today()
self.assertRaises(XmpValueError, self.metadata.__setitem__, key, value)
value = datetime.datetime.now()
self.assertRaises(XmpValueError, self.metadata.__setitem__, key, value)
value = ['foo', 'bar']
self.assertRaises(XmpValueError, self.metadata.__setitem__, key, value)
value = {'x-default': 'foo', 'fr-FR': 'bar'}
self.assertRaises(XmpValueError, self.metadata.__setitem__, key, value)
value = 'simple text value'
self.metadata[key] = value
def test_cannot_unregister_builtin(self):
name = 'http://purl.org/dc/elements/1.1/' # DC builtin namespace
self.assertRaises(KeyError, unregister_namespace, name)
def test_cannot_unregister_inexistent(self):
name = 'boofar/'
self.assertRaises(KeyError, unregister_namespace, name)
def test_cannot_unregister_twice(self):
name = 'bleh/'
prefix = 'ble'
register_namespace(name, prefix)
unregister_namespace(name)
self.assertRaises(KeyError, unregister_namespace, name)
def test_unregister(self):
name = 'blah/'
prefix = 'bla'
register_namespace(name, prefix)
unregister_namespace(name)
def test_unregister_invalidates_keys_in_ns(self):
name = 'blih/'
prefix = 'bli'
register_namespace(name, prefix)
key = 'Xmp.%s.blu' % prefix
self.metadata[key] = 'foobar'
self.assert_(key in self.metadata.xmp_keys)
unregister_namespace(name)
self.assertRaises(KeyError, self.metadata.write)
def test_unregister_all_ns(self):
# Unregistering all custom namespaces will always succeed, even if there
# are no custom namespaces registered.
unregister_namespaces()
name = 'blop/'
prefix = 'blo'
register_namespace(name, prefix)
self.metadata['Xmp.%s.bar' % prefix] = 'foobar'
name2 = 'blup/'
prefix2 = 'blu'
register_namespace(name2, prefix2)
self.metadata['Xmp.%s.bar' % prefix2] = 'foobar'
unregister_namespaces()
self.assertRaises(KeyError, self.metadata.__setitem__, 'Xmp.%s.baz' % prefix, 'foobaz')
self.assertRaises(KeyError, self.metadata.__setitem__, 'Xmp.%s.baz' % prefix2, 'foobaz')
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