From edf712f8b4a6a3e73d3cca9b5173ed270a3c634b Mon Sep 17 00:00:00 2001
From: Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si>
Date: Mon, 17 Oct 2016 22:56:32 +0200
Subject: Week2: holiday/2 exercise added.

---
 prolog/problems/world_data/holiday_2/common.py | 49 ++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 prolog/problems/world_data/holiday_2/common.py

(limited to 'prolog/problems/world_data/holiday_2/common.py')

diff --git a/prolog/problems/world_data/holiday_2/common.py b/prolog/problems/world_data/holiday_2/common.py
new file mode 100644
index 0000000..0e7ba8f
--- /dev/null
+++ b/prolog/problems/world_data/holiday_2/common.py
@@ -0,0 +1,49 @@
+from operator import itemgetter
+import socket
+import prolog.engine
+from server.hints import Hint
+import server.problems
+
+id = 12529
+number = 10
+visible = True
+facts = 'mondial'
+
+solution = '''\
+holiday(Country, Neighbour):-
+  country(Country,CC1,_,_,_,_),
+  (borders(CC1,CC2,_) ; borders(CC2,CC1,_)),
+  once(geo_sea(_,CC2,_)),
+  country(Neighbour,CC2,_,_,_,_).
+'''
+
+test_cases = [
+    ("holiday('Slovenia', N)",
+        [{'N': "'Italy'"}, {'N': "'Croatia'"}]),
+    ("holiday(C, 'Canada')",
+        [{'C': "'United States'"}]),
+    ("holiday('Venezuela', 'Guyana')",
+        [{}]),
+    ("\+ holiday('Uzbekistan', _)",
+        [{}]),
+]
+
+def test(code, aux_code):
+    n_correct = 0
+    engine_id = None
+    try:
+        engine_id, output = prolog.engine.create(code=code+aux_code, timeout=5.0)
+        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, inference_limit = None):
+                    n_correct += 1
+    except socket.timeout:
+        pass
+    finally:
+        if engine_id:
+            prolog.engine.destroy(engine_id)
+
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
+    return n_correct, len(test_cases), hints
+
-- 
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