diff options
Diffstat (limited to 'prolog/problems/family_relations/sister_2')
| -rw-r--r-- | prolog/problems/family_relations/sister_2/common.py | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/prolog/problems/family_relations/sister_2/common.py b/prolog/problems/family_relations/sister_2/common.py index 9c63b18..a1375f2 100644 --- a/prolog/problems/family_relations/sister_2/common.py +++ b/prolog/problems/family_relations/sister_2/common.py @@ -1,5 +1,6 @@ # coding=utf-8 +from operator import itemgetter import socket import prolog.engine import prolog.util @@ -28,14 +29,18 @@ hint_type = { 'x_y_must_be_different': Hint('x_y_must_be_different'), } -def test(program, solved_problems): - # 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 = [ + ('sister(X, _)', + [{'X': 'anna'}, {'X': 'daniela'}, {'X': 'luana'}, {'X': 'melanie'}, + {'X': 'michelle'}, {'X': 'nevia'}, {'X': 'patricia'}, {'X': 'sally'}, + {'X': 'vanessa'}]), + ('sister(melanie, X)', + [{'X': 'andrew'}]), + ('sister(X, andrew)', + [{'X': 'melanie'}]), +] +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 +48,21 @@ 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): # how do I know which general hints were already shown? |