def test_element_remove_child_must_remove_properly():
element_type = ElementType('xsd:string')
name_elem = Element(name='Name', element_type=element_type)
surname_elem = Element(name='Surname', element_type=element_type)
f = ElementType(name='ModelType', children=[name_elem, surname_elem])
# Removing surname
f.remove_child(surname_elem)
assert f.children == [name_elem]
# It's hash must be changed
f_removed = ElementType(name='ModelType', children=[name_elem])
assert f_removed == f
def test_element_children_original_order_must_keep_order_when_removed_child():
element_type = ElementType('xsd:string')
# A not alphabetical order...
name = Element(name='Name', element_type=element_type)
children = [
Element(name='Surname', element_type=element_type),
name,
Element(name='City', element_type=element_type),
]
f = ElementType(name='ModelType', children=children)
f.remove_child(name)
children.remove(name)
assert f.children != children
assert f.children_original_order == children