def test_valueerror(self):
bag = BackPack()
with self.assertRaises(TypeError):
bag.add_stuff('apple', '4', 10)
bag.add_stuff('apple', 4, '10')
bag.get_stuff('apple', '3')
def test_init(self):
bag = BackPack()
bag.add_stuff('apple', 4, 10)
self.assertEquals(bag.show_stuffs(), {'apple': [4, 40]})
self.assertTrue(isinstance, (bag, dict))
def test_get_stuff(self):
bag = BackPack()
bag.add_stuff('apple', 4, 10)
bag.get_stuff('apple', 2)
self.assertEquals(bag.show_stuffs(), {'apple': [2, 20]})
