def blob(self):
"""
Contents of this package part as a sequence of bytes. May be text or
binary. Intended to be overridden by subclasses. Default behavior is
to return load blob.
"""
if self._element is not None:
return serialize_part_xml(self._element)
return self._blob
def it_produces_properly_formatted_xml_for_an_opc_part(
self, part_elm, expected_part_xml):
"""
Tested aspects:
---------------
* [X] it generates an XML declaration
* [X] it produces no whitespace between elements
* [X] it removes any annotations
* [X] it preserves unused namespaces
* [X] it returns bytes ready to save to file (not unicode)
"""
xml = serialize_part_xml(part_elm)
assert xml == expected_part_xml
# xml contains 188 chars, of which 3 are double-byte; it will have
# len of 188 if it's unicode and 191 if it's bytes
assert len(xml) == 191