def test_get_index_of_value_not_present(self):
'''
When trying to get the index of a given value.
1. Pass the value to the method that is not in the list.
2. LookupError expected.
'''
ll = LinkedList()
some_value = "Jolis!"
ll.append("A")
ll.append("B")
ll.append(some_value)
ll.append("C")
with self.assertRaises(LookupError):
ll.get_index_of("Konnichiwa!")
def test_get_index_of(self):
'''
When trying to get the index of a given value.
1. The value must be added to the list beforehand.
2. Pass the value to the method.
3. Must return the index of the element.
'''
ll = LinkedList()
some_value = "Jolis!"
ll.append("A")
ll.append("B")
ll.append(some_value)
ll.append("C")
returnal = ll.get_index_of(some_value)
self.assertEqual(returnal, 2)
self.assertEqual(ll.get_at(returnal), some_value)