Beginning of the symbols from controller

Ref #496

tests/controller/test_symbols.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 GNS3 Technologies Inc.
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+
+import os
+
+
+from gns3server.controller.symbols import Symbols
+from gns3server.utils.get_resource import get_resource
+
+
+def test_list():
+    symbols = Symbols()
+    assert {
+        'symbol_id': ':/symbols/firewall.svg',
+        'url': '/static/builtin_symbols/firewall.svg',
+        'filename': 'firewall.svg',
+        'builtin': True
+    } in symbols.list()
+    assert symbols