def test_overwrite_property(self):
with self.assertRaises(ValueError) as cm:
MediaFile.add_field('artist', MediaField())
self.assertIn(u'property "artist" already exists',
unicode(cm.exception))
def test_overwrite_property(self):
with self.assertRaises(ValueError) as cm:
MediaFile.add_field('artist', MediaField())
self.assertIn(u'property "artist" already exists',
unicode(cm.exception))
def test_invalid_descriptor(self):
with self.assertRaises(ValueError) as cm:
MediaFile.add_field('somekey', True)
self.assertIn(u'must be an instance of MediaField',
unicode(cm.exception))
def test_invalid_descriptor(self):
with self.assertRaises(ValueError) as cm:
MediaFile.add_field('somekey', True)
self.assertIn(u'must be an instance of MediaField',
unicode(cm.exception))
