1 files changed, 50 insertions, 0 deletions
diff --git a/prolog/problems/world_data/grant_1/common.py b/prolog/problems/world_data/grant_1/common.py
new file mode 100644
index 0000000..aa016b0
--- /dev/null
+++ b/prolog/problems/world_data/grant_1/common.py
@@ -0,0 +1,50 @@
+from operator import itemgetter
+import socket
+import prolog.engine
+from server.hints import Hint
+import server.problems
+
+id = 12536
+number = 20
+visible = True
+facts = 'mondial'
+
+solution = '''\
+grant(Loc):-
+  (city(Loc, _, _, _, Lat, _, _)
+   ;
+   island(Loc, _, _, _, _, Lat, _)),
+  number(Lat),
+  Lat > -38,
+  Lat < -36.
+'''
+
+test_cases = [
+    ("grant(Loc)",
+        [{'Loc': "'Melbourne'"}, {'Loc': "'Auckland'"}, {'Loc': "'Hamilton'"}, {'Loc': "'Santa Rosa'"},
+         {'Loc': "'Concepción'"}, {'Loc': "'Talcahuano'"}, {'Loc': "'Tristan Da Cunha'"}]),
+    ("\+ grant('Ljubljana')",
+        [{}]),
+    ("grant('Tristan Da Cunha')",
+        [{}]),
+]
+
+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
+