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}

---
 .../license_plates/checklicenseplate_3/common.py   | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'prolog/problems/license_plates/checklicenseplate_3')

diff --git a/prolog/problems/license_plates/checklicenseplate_3/common.py b/prolog/problems/license_plates/checklicenseplate_3/common.py
index c37e210..0480258 100644
--- a/prolog/problems/license_plates/checklicenseplate_3/common.py
+++ b/prolog/problems/license_plates/checklicenseplate_3/common.py
@@ -1,5 +1,9 @@
 # coding=utf-8
 
+from operator import itemgetter
+import prolog.engine
+import server.problems
+
 id = 148
 number = 55
 visible = True
@@ -51,3 +55,43 @@ checkLicensePlate(LP, E1, E2) :-
   genexp148(MN2, E2),
   E1 =:= E2.
 '''
+
+test_cases = [
+    ('''checkLicensePlate([l, j, l, 3, '-', 2, 4, 2], E1, E2)''',
+        [{'E1': '-3', 'E2': '(-2-4)/2'}, {'E1': '3', 'E2': '(2+4)/2'},
+         {'E1': '-3*2', 'E2': '-4-2'}, {'E1': '3*2', 'E2': '4+2'},
+         {'E1': '-3*2+4', 'E2': '-2'}, {'E1': '3*2-4', 'E2': '2'}]),
+    ('''checkLicensePlate([k, r, a, 3, '-', 2, 1, 7], E1, E2)''',
+        [{'E1': '-3', 'E2': '-21/7'}, {'E1': '3', 'E2': '21/7'},
+         {'E1': '-3*2', 'E2': '1-7'}, {'E1': '3*2', 'E2': '-1+7'},
+         {'E1': '3*2+1', 'E2': '7'}, {'E1': '-3*2-1', 'E2': '-7'}]),
+    ('''checkLicensePlate([g, o, c, 8, '-', 2, 1, 3], E1, E2)''',
+        [{'E1': '-8', 'E2': '-2*(1+3)'}, {'E1': '8', 'E2': '2*(1+3)'},
+         {'E1': '-8/2+1', 'E2': '-3'}, {'E1': '8/2-1', 'E2': '3'},
+         {'E1': '-8/2', 'E2': '-1-3'}, {'E1': '8/2', 'E2': '1+3'}]),
+]
+
+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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