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-rw-r--r--prolog/problems/license_plates/firstminus_2/common.py36
1 files changed, 36 insertions, 0 deletions
diff --git a/prolog/problems/license_plates/firstminus_2/common.py b/prolog/problems/license_plates/firstminus_2/common.py
index 20376d2..89fe3b0 100644
--- a/prolog/problems/license_plates/firstminus_2/common.py
+++ b/prolog/problems/license_plates/firstminus_2/common.py
@@ -1,5 +1,9 @@
# coding=utf-8
+from operator import itemgetter
+import prolog.engine
+import server.problems
+
id = 147
number = 54
visible = True
@@ -10,3 +14,35 @@ firstMinus(L, L).
firstMinus([X|T], [Y|T]) :-
Y is -X.
'''
+
+test_cases = [
+ ('firstMinus([2, 3, 4], X)',
+ [{'X': '[2, 3, 4]'}, {'X': '[-2, 3, 4]'}]),
+ ('firstMinus([5, 2, 3, 4], X)',
+ [{'X': '[5, 2, 3, 4]'}, {'X': '[-5, 2, 3, 4]'}]),
+]
+
+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 []