diff options
Diffstat (limited to 'prolog/problems/family_relations/father_2/common.py')
| -rw-r--r-- | prolog/problems/family_relations/father_2/common.py | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/prolog/problems/family_relations/father_2/common.py b/prolog/problems/family_relations/father_2/common.py index dd799e7..1816d56 100644 --- a/prolog/problems/family_relations/father_2/common.py +++ b/prolog/problems/family_relations/father_2/common.py @@ -1,5 +1,6 @@ # coding=utf-8 +from operator import itemgetter import socket import prolog.engine import prolog.util @@ -27,15 +28,11 @@ hint_type = { 'y_need_not_be_parent': Hint('y_need_not_be_parent'), } -def test(program, solved_problems): - # TODO: change queries and answers (these are for sister/2) - # Test queries and expected answers (values of X). - queries = [ - ('sister(melanie, X)', set(['andrew'])), - ('sister(X, andrew)', set(['melanie'])), - ('sister(X, _)', set(['michelle', 'daniela', 'patricia', 'luana', 'sally', 'melanie', 'nevia', 'vanessa', 'anna'])), - ] +test_cases = [ + # TODO +] +def test(program, solved_problems): code = (program + '\n' + server.problems.solutions_for_problems('prolog', solved_problems) + '\n' + server.problems.load_facts('prolog', facts).facts) @@ -43,21 +40,21 @@ def test(program, solved_problems): engine_id = None try: engine_id, output = prolog.engine.create(code=code, timeout=1.0) - if not engine_id: - return 0, len(queries) + if not engine_id or 'error' in map(itemgetter(0), output): + # Engine creation failed, or syntax error in code. + return 0, len(test_cases) n_correct = 0 - for query, solution in queries: - answers, error = prolog.engine.ask_all(engine_id, query=query, timeout=1.0) - if answers and answers[-1] != 'timed out': - values_x = set([ans.get('X') for ans, constraints in answers]) - if values_x == solution: - n_correct += 1 + for query, answers in test_cases: + # Limit inferences for each solution to curb unbounded recursion. + limited = 'call_with_inference_limit(({}), 100000, _)'.format(query) + if prolog.engine.check_answers(engine_id, query=limited, answers=answers, timeout=1.0): + n_correct += 1 finally: if engine_id: prolog.engine.destroy(engine_id) - return n_correct, len(queries) + return n_correct, len(test_cases) def hint(program, solved_problems): tokens = prolog.util.tokenize(program) |