Add unit test for treemodel nodes

gramps/gui/views/treemodels/test/node_test.py

@@ -0,0 +1,47 @@
+#
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2000-2007  Donald N. Allingham
+#
+# This program 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.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+import unittest
+from ..treebasemodel import Node, NodeMap
+
+class NodeTest(unittest.TestCase):
+
+    def test_addremovechildren(self):
+        n = Node('1', '', 'key_to_sort_on', None, None)
+        nm = NodeMap()
+        nm.add_node(n)
+
+        n2 = Node('2', '', 'key_to_sort_on2', None, None)
+        n.add_child(n2, nm)
+        nm.add_node(n2)
+
+        n3 = Node('2', '', '', None, None)
+        n.add_child(n3, nm)
+        nm.add_node(n3)
+
+        n.remove_child(n3, nm)
+        nm.del_node(n3)
+        n.remove_child(n2, nm)
+        nm.del_node(n2)
+        self.assertEqual(len(n.children), 0)
+
+
+if __name__ == "__main__":
+    unittest.main()