From 79f4196a6b86c6090ab0fb915d05bebc3a627783 Mon Sep 17 00:00:00 2001
From: Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si>
Date: Mon, 14 Dec 2015 15:24:48 +0100
Subject: Add tests for Prolog.{sorting,sets,license_plates}

---
 prolog/problems/sorting/pivoting_4/common.py | 40 ++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'prolog/problems/sorting/pivoting_4')

diff --git a/prolog/problems/sorting/pivoting_4/common.py b/prolog/problems/sorting/pivoting_4/common.py
index dd1a1a9..0e9afaa 100644
--- a/prolog/problems/sorting/pivoting_4/common.py
+++ b/prolog/problems/sorting/pivoting_4/common.py
@@ -1,5 +1,9 @@
 # coding=utf-8
 
+from operator import itemgetter
+import prolog.engine
+import server.problems
+
 id = 124
 number = 31
 visible = True
@@ -14,3 +18,39 @@ pivoting(P, [H|T], S, [H|G]) :-
   H > P,
   pivoting(P, T, S, G).
 '''
+
+test_cases = [
+    ('pivoting(5, [], A, B)',
+        [{'A': '[]', 'B': '[]'}]),
+    ('pivoting(5, [6, 7, 6], A, B)',
+        [{'A': '[]', 'B': '[6, 7, 6]'}]),
+    ('pivoting(4, [2, 1, 8, 9, 3, 4, 2], A, B)',
+        [{'A': '[2, 1, 3, 4, 2]', 'B': '[8, 9]'}]),
+    ('pivoting(4, [22, 1, 0, 8, 3, 5, 7, -2], A, B)',
+        [{'A': '[1, 0, 3, -2]', 'B': '[22, 8, 5, 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 []
-- 
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