def test_add_children(self):
kids = [HTMLElement() for i in range(0, 10)]
test_parent = HTMLElement()
test_parent.add_children(kids)
all_present = True
for kid in kids:
if kid not in test_parent.children:
all_present = False
self.assertTrue(all_present)
def test_chaining_add_children(self):
element = HTMLElement('div')
children = [HTMLElement(), HTMLElement()]
result = element.add_children(children)
self.assertEqual(element, result)