def test_popitem(self):
m = DotMap()
m.people.john.age = 32
m.people.john.job = 'programmer'
m.people.mary.age = 24
m.people.mary.job = 'designer'
m.people.dave.age = 55
m.people.dave.job = 'manager'
p = m.people.popitem()
self.assertEqual(p[0], 'dave')
i = m.popitem()
self.assertEqual(i[0], 'people')
self.assertEqual(0, len(m))
