summaryrefslogtreecommitdiff
path: root/prolog/problems/lists/sublist_2/common.py
blob: bcf331568525ea30339d8e76b30a9a9ad43bddd8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
# coding=utf-8

from operator import itemgetter
import prolog.engine
import server.problems

id = 117
number = 24
visible = True
facts = None

solution = '''\
conc117([], L, L).
conc117([H|T], L2, [H|L]) :-
  conc117(T, L2, L).
sublist(L, S) :-
  conc117(_, T, L),
  conc117(S, _, T).
'''

test_cases = [
    ('sublist([], X)',
        [{'X': '[]'}]),
    ('sublist([e, h, A, B, C], [f, a, e])',
        [{'A': 'f', 'B': 'a', 'C': 'e'}]),
    ('sublist([e, A, l, B], [r, C, k])',
        [{'A': 'r', 'B': 'k', 'C': 'l'}]),
    ('setof(L, sublist([a, b, c], L), X)',
        [{'X': '[[], [a], [a, b], [a, b, c], [b], [b, c], [c]]'}]),
]

def test(program, solved_problems):
    code = (program + '\n' +
            server.problems.solutions_for_problems('prolog', solved_problems))

    n_correct = 0
    engine_id = None
    try:
        engine_id, output = prolog.engine.create(code=code, timeout=1.0)
        if engine_id is not None and 'error' not in map(itemgetter(0), output):
            # Engine successfully created, and no syntax error in program.
            for query, answers in test_cases:
                if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0):
                    n_correct += 1
    finally:
        if engine_id:
            prolog.engine.destroy(engine_id)

    passed = n_correct == len(test_cases)
    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
    return passed, hints

def hint(program, solved_problems):
    # TODO
    return []