Merge pull request #3662 from jessica-mitchell/ticket692_getconnections

Port regression test 692 get_connections to Pytest

Author: jessica-mitchell

testsuite/pytests/sli2py_regressions/test_ticket_692_getconnections_args.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+#
+# test_ticket_692_getconnections_args.py
+#
+# This file is part of NEST.
+#
+# Copyright (C) 2004 The NEST Initiative
+#
+# NEST is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# NEST is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with NEST.  If not, see <http://www.gnu.org/licenses/>.
+
+import nest
+import pytest
+
+"""
+Regression test for Ticket #692.
+
+Test ported from SLI regression test.
+Ensure GetConnections validates the types of source and target arguments.
+
+Author: Hans Ekkehard Plesser, 2013-04-18
+"""
+
+
+INVALID_VALUES = (0, 0.0, "", {}, "foo")
+
+
+@pytest.mark.parametrize("key", ("source", "target"))
+@pytest.mark.parametrize("value", INVALID_VALUES)
+def test_ticket_692_getconnections_rejects_non_collections(key, value):
+    """
+    Ensure GetConnections raises an error when source/target is not a node collection or sequence.
+    """
+
+    nest.ResetKernel()
+
+    with pytest.raises((TypeError, nest.kernel.NESTError)):
+        nest.GetConnections(**{key: value})