def test_element_type_change_children_must_recalculate_hash():
element_type = ElementType('xsd:string')
children = [Element(name='Name', element_type=element_type)]
f = ElementType(name='ModelType', children=children)
current_hash = hash(f)
owner = Element(name='Owner', element_type=element_type)
f.add_child(owner)
assert hash(f) != current_hash
def test_element_type_add_child_must_add_item_properly():
element_type = ElementType('xsd:string')
children = [Element(name='Name', element_type=element_type)]
f = ElementType(name='ModelType', children=children)
current_hash = hash(f)
code = Element(name='Code', element_type=element_type)
f.add_child(code)
assert hash(f) != current_hash
assert f.children[0] == code
def test_element_children_original_order_must_keep_order_when_added_child():
element_type = ElementType('xsd:string')
# A not alphabetical order...
children = [
Element(name='Surname', element_type=element_type),
Element(name='Name', element_type=element_type),
Element(name='City', element_type=element_type),
]
f = ElementType(name='ModelType', children=children)
nick = Element(name='Nickname', element_type=element_type)
f.add_child(nick)
expected_children = children + [nick]
assert f.children != expected_children
assert f.children_original_order == expected_children