Tests added for linear_opt exercise.

1 files changed, 27 insertions, 1 deletions

diff --git a/prolog/problems/clp_r/linear_opt_3/common.py b/prolog/problems/clp_r/linear_opt_3/common.py
index cf2dd5e..43b3b08 100644
--- a/prolog/problems/clp_r/linear_opt_3/common.py
+++ b/prolog/problems/clp_r/linear_opt_3/common.py
@@ -2,7 +2,7 @@
 
 id = 159
 number = 63
-visible = False
+visible = True
 facts = None
 
 solution = '''\
@@ -11,3 +11,29 @@ linear_opt(X, Y, MaxE) :-
       X+Y =< 7, X+2*Y >= 4, Y =< X+5,
       MaxE = -0.4*X+3.2*Y },
      maximize(MaxE).'''
+
+test_cases = [
+    ('linear_opt(X, Y, MaxE), abs(X - 1.0) =< 1e-8, abs(Y - 6.0) =< 1e-8, abs(MaxE - 18.8) =< 1e-8',
+        [{}]),
+    ('setof(X/Y/MaxE, linear_opt(X, Y, MaxE), L), L = [X/Y/MaxE], abs(X - 1.0) =< 1e-8, abs(Y - 6.0) =< 1e-8, abs(MaxE - 18.8) =< 1e-8',
+        [{}]),
+]
+
+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