def test_root(self):
a = Div()
b = Div().append_to(a)
c = Div().append_to(b)
self.assertEqual(c.root, a)
self.assertEqual(b.root, a)
self.assertEqual(a.root, a)
c = b.pop()
self.assertEqual(c.root, c)
self.assertEqual(b.root, a)
self.assertEqual(a.root, a)
b(c)
d = Div()
a.move_childs(d)
self.assertEqual(c.root, d)
self.assertEqual(b.root, d)
self.assertEqual(a.root, a)
c(a)
self.assertEqual(c.root, d)
self.assertEqual(b.root, d)
self.assertEqual(a.root, d)
c.empty()
self.assertEqual(a.root, a)
def test_pop(self):
new = Div().append_to(self.page)
self.page.pop(0)
self.assertTrue(new not in self.page)
new2 = Div().append_to(self.page)
self.page.pop()
self.assertTrue(new2 not in self.page)
new3 = Div()
self.page(child_foo=new3)
self.page.pop('child_foo')
self.assertTrue(new3 not in self.page)
new4, new5 = Div(), Div()
self.page(child_foo_1=new4)
self.page(child_foo_2=new4)
self.page.pop(['child_foo_1', 'child_foo_2'])
self.assertTrue(new4 not in self.page and new5 not in self.page)
with self.assertRaises(DOMModByKeyError):
test = Div()(test_key=A())
test.pop('nonexistentkey')
with self.assertRaises(DOMModByIndexError):
test = Div()(A(), P())
test.pop(2)
