from nose.tools import assert_equal


class TestPartition(object):
    
    def test_partition(self):
        print('Test: Empty list')
        linked_list = MyLinkedList(None)
        linked_list.partition(10)
        assert_equal(linked_list.get_all_data(), [])

        print('Test: One element list, left list empty')
        linked_list = MyLinkedList(Node(5))
        linked_list.partition(0)
        assert_equal(linked_list.get_all_data(), [5])

        print('Test: Right list is empty')
        linked_list = MyLinkedList(Node(5))
        linked_list.partition(10)
        assert_equal(linked_list.get_all_data(), [5])

        print('Test: General case')
        # Partition = 10
        # Input: 4, 3, 7, 8, 10, 1, 10, 12
        # Output: 4, 3, 7, 8, 1, 10, 10, 12
        linked_list = MyLinkedList(Node(12))
        linked_list.insert_to_front(10)
        linked_list.insert_to_front(1)
        linked_list.insert_to_front(10)
        linked_list.insert_to_front(8)
        linked_list.insert_to_front(7)
        linked_list.insert_to_front(3)
        linked_list.insert_to_front(4)
        partitioned_list = linked_list.partition(10)
        assert_equal(partitioned_list.get_all_data(), 
                     [4, 3, 7, 8, 1, 10, 10, 12])
        
        print('Success: test_partition')

def main():
    test = TestPartition()
    test.test_partition()
    
if __name__ == '__main__':
    main()