From acce0e01cdb2a57cda35e040035dbf1da6b96031 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Mon, 11 Apr 2016 00:10:57 +0200
Subject: Prolog: add test cases for the trees group

---
 prolog/problems/trees/membert_2/common.py | 44 ++++++++++++++++++++++++++++---
 prolog/problems/trees/membert_2/en.py     |  2 --
 prolog/problems/trees/membert_2/sl.py     | 13 +++++++++
 3 files changed, 54 insertions(+), 5 deletions(-)
 create mode 100644 prolog/problems/trees/membert_2/sl.py

(limited to 'prolog/problems/trees/membert_2')

diff --git a/prolog/problems/trees/membert_2/common.py b/prolog/problems/trees/membert_2/common.py
index 7d8f207..205487d 100644
--- a/prolog/problems/trees/membert_2/common.py
+++ b/prolog/problems/trees/membert_2/common.py
@@ -1,8 +1,13 @@
-# coding=utf-8
+from operator import itemgetter
+import socket
+
+import prolog.engine
+import prolog.util
+from server.hints import Hint, HintPopup
 
 id = 142
-number = 49
-visible = False
+number = 80
+visible = True
 facts = None
 
 solution = '''\
@@ -17,3 +22,36 @@ memberT(X, Tree) :-
   memb142(SubTree, SubTrees),
   memberT(X, SubTree).
 '''
+
+test_cases = [
+    ('setof(M, memberT(M, t(r)), X), X == [r]',
+        [{}]),
+    ('setof(M, memberT(M, t(3,t(2,t(3),t(6)),t(-1,t(0,t(8)),t(1)))), X), X == [-1,0,1,2,3,6,8]',
+        [{}]),
+    ('setof(M, memberT(M, t(r,t(a,t(c),t(d)),t(b,t(e),t(f)))), X), X == [a,b,c,d,e,f,r]',
+        [{}]),
+
+]
+
+def test(code, aux_code):
+    n_correct = 0
+    engine_id = None
+    try:
+        engine_id, output = prolog.engine.create(code=code+aux_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
+    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
+
+def hint(code, aux_code):
+    # TODO
+    return []
diff --git a/prolog/problems/trees/membert_2/en.py b/prolog/problems/trees/membert_2/en.py
index ef48931..11b74c1 100644
--- a/prolog/problems/trees/membert_2/en.py
+++ b/prolog/problems/trees/membert_2/en.py
@@ -1,5 +1,3 @@
-# coding=utf-8
-
 name = 'memberT/2'
 slug = 'find elements in a tree'
 
diff --git a/prolog/problems/trees/membert_2/sl.py b/prolog/problems/trees/membert_2/sl.py
new file mode 100644
index 0000000..5fee91e
--- /dev/null
+++ b/prolog/problems/trees/membert_2/sl.py
@@ -0,0 +1,13 @@
+name = 'memberT/2'
+slug = 'poišči element v drevesu'
+
+description = '''\
+<p><code>memberT(X, T)</code>: <code>X</code> je element drevesa <code>T</code>. Vozlišče drevesa je predstavljeno s strukturo <code>t(E, T1, T2, …)</code>, kjer je <code>E</code> vrednost v vozlišču, kateri sledi poljubno mnogo poddreves. Prazno drevo predstavlja atom <code>nil</code>.</p>
+<pre>
+?- memberT(X, t(3, t(1), t(2))).
+  X = 3 ;
+  X = 1 ;
+  X = 2.
+</pre>'''
+
+hint = {}
-- 
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