1 files changed, 54 insertions, 0 deletions
diff --git a/prolog/problems/sets/subset_2/common.py b/prolog/problems/sets/subset_2/common.py
index 130d87b..99d0799 100644
--- a/prolog/problems/sets/subset_2/common.py
+++ b/prolog/problems/sets/subset_2/common.py
@@ -1,5 +1,9 @@
 # coding=utf-8
 
+from operator import itemgetter
+import prolog.engine
+import server.problems
+
 id = 133
 number = 40
 visible = True
@@ -12,3 +16,53 @@ subset([H|T], [H|T1]) :-
 subset([_|T], T1) :-
   subset(T, T1).
 '''
+
+test_cases = [
+    ('subset([], X)',
+        [{'X': '[]'}]),
+    ('subset([1, 3, 5, 7], A), msort(A, X)',
+        [{'X': '[]'}, {'X': '[7]'}, {'X': '[5]'}, {'X': '[5, 7]'}, {'X': '[3]'},
+         {'X': '[3, 7]'}, {'X': '[3, 5]'}, {'X': '[3, 5, 7]'}, {'X': '[1]'},
+         {'X': '[1, 7]'}, {'X': '[1, 5]'}, {'X': '[1, 5, 7]'}, {'X': '[1, 3]'},
+         {'X': '[1, 3, 7]'}, {'X': '[1, 3, 5]'}, {'X': '[1, 3, 5, 7]'}]),
+    ('subset([8, 4, 6, 2], A), msort(A, X)',
+        [{'X': '[]'}, {'X': '[2]'}, {'X': '[6]'}, {'X': '[2, 6]'}, {'X': '[4]'},
+         {'X': '[2, 4]'}, {'X': '[4, 6]'}, {'X': '[2, 4, 6]'}, {'X': '[8]'},
+         {'X': '[2, 8]'}, {'X': '[6, 8]'}, {'X': '[2, 6, 8]'}, {'X': '[4, 8]'},
+         {'X': '[2, 4, 8]'}, {'X': '[4, 6, 8]'}, {'X': '[2, 4, 6, 8]'}]),
+    ('subset([5, 6, 7, 0, 2], A), msort(A, X)',
+        [{'X': '[]'}, {'X': '[2]'}, {'X': '[0]'}, {'X': '[0, 2]'}, {'X': '[7]'},
+         {'X': '[2, 7]'}, {'X': '[0, 7]'}, {'X': '[0, 2, 7]'}, {'X': '[6]'},
+         {'X': '[2, 6]'}, {'X': '[0, 6]'}, {'X': '[0, 2, 6]'}, {'X': '[6, 7]'},
+         {'X': '[2, 6, 7]'}, {'X': '[0, 6, 7]'}, {'X': '[0, 2, 6, 7]'},
+         {'X': '[5]'}, {'X': '[2, 5]'}, {'X': '[0, 5]'}, {'X': '[0, 2, 5]'},
+         {'X': '[5, 7]'}, {'X': '[2, 5, 7]'}, {'X': '[0, 5, 7]'},
+         {'X': '[0, 2, 5, 7]'}, {'X': '[5, 6]'}, {'X': '[2, 5, 6]'},
+         {'X': '[0, 5, 6]'}, {'X': '[0, 2, 5, 6]'}, {'X': '[5, 6, 7]'},
+         {'X': '[2, 5, 6, 7]'}, {'X': '[0, 5, 6, 7]'}, {'X': '[0, 2, 5, 6, 7]'}]),
+]
+
+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 []