django-mellon/tests/xml_utils.py

16 lines
554 B
Python

from lxml import etree as ET
def assert_xml_constraints(content, constraint, namespaces={}):
d = ET.fromstring(content)
def check(constraint, prefix=''):
path, count = constraint[:2]
path = prefix + path
if not count is None:
l = d.xpath(path, namespaces=namespaces)
assert len(l) == count, 'len(xpath(%s)) is not %s but %s' % (path, count, len(l))
if len(constraint) > 2:
for constraint in constraint[2:]:
check(constraint, prefix=path)
check(constraint)