def test_copy_extensions(self):
target = ClassFactory.create(extensions=ExtensionFactory.list(1))
source = ClassFactory.create(extensions=ExtensionFactory.list(2))
link_extension = ExtensionFactory.create()
link_extension.restrictions.max_occurs = 2
ClassUtils.copy_extensions(source, target, link_extension)
self.assertEqual(3, len(target.extensions))
self.assertEqual(2, target.extensions[1].restrictions.max_occurs)
self.assertEqual(2, target.extensions[2].restrictions.max_occurs)
def merge_redefined_type(cls, source: Class, target: Class):
"""
Copy any attributes and extensions to redefined types from the original
definitions.
Redefined inheritance is optional search for self references in
extensions and attribute groups.
"""
circular_extension = cls.find_circular_extension(target)
circular_group = cls.find_circular_group(target)
if circular_extension:
ClassUtils.copy_attributes(source, target, circular_extension)
ClassUtils.copy_extensions(source, target, circular_extension)
if circular_group:
ClassUtils.copy_group_attributes(source, target, circular_group)
