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-rw-r--r--prolog/problems/family_relations/connected_3/common.py35
1 files changed, 35 insertions, 0 deletions
diff --git a/prolog/problems/family_relations/connected_3/common.py b/prolog/problems/family_relations/connected_3/common.py
index 9c0bef7..e6aa6dc 100644
--- a/prolog/problems/family_relations/connected_3/common.py
+++ b/prolog/problems/family_relations/connected_3/common.py
@@ -15,3 +15,38 @@ connected(X, Y, N) :-
parent(Z, X) ),
connected(Z, Y, N1).
'''
+
+test_cases = [
+# ('descendant(anna, X)',
+# [{'X': 'jerry'}, {'X': 'elaine'}, {'X': 'morty'}, {'X': 'helen'}]),
+# ('descendant(daniela, X)',
+# [{'X': 'nevia'}, {'X': 'aleksander'}, {'X': 'margaret'}, {'X': 'ana'}, {'X': 'aleksandr'}]),
+# ('descendant(X, william)',
+# [{'X': 'vanessa'}, {'X': 'patricia'}, {'X': 'susan'}, {'X': 'john'}, {'X': 'michael'}, {'X': 'michelle'}]),
+]
+
+def test(program, solved_problems):
+ code = (program + '\n' +
+ server.problems.solutions_for_problems('prolog', solved_problems) + '\n' +
+ server.problems.load_facts('prolog', facts).facts)
+
+ engine_id = None
+ try:
+ engine_id, output = prolog.engine.create(code=code, timeout=1.0)
+ 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, 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)
+
+ passed = n_correct == len(test_cases)
+ hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
+ return passed, hints