Add tests for Baserule

Add some tests for the Baserule class to cover the 3 functions that must
be re-implemented in each rule class. This means we finally get 100%
test coverage for apparmor/rule/__init__.py ;-)


Acked-by: Kshitij Gupta <kgupta8592@gmail.com>

utils/test/test-baserule.py

@@ -0,0 +1,36 @@
+#! /usr/bin/env python
+# ------------------------------------------------------------------
+#
+#    Copyright (C) 2015 Christian Boltz <apparmor@cboltz.de>
+#
+#    This program is free software; you can redistribute it and/or
+#    modify it under the terms of version 2 of the GNU General Public
+#    License published by the Free Software Foundation.
+#
+# ------------------------------------------------------------------
+
+import unittest
+from common_test import AATest, setup_all_loops
+
+from apparmor.common import AppArmorBug
+from apparmor.rule import BaseRule
+
+class TestBaserule(AATest):
+    def test_abstract__parse(self):
+        with self.assertRaises(AppArmorBug):
+            BaseRule._parse('foo')
+
+    def test_is_equal_localvars(self):
+        obj = BaseRule()
+        with self.assertRaises(AppArmorBug):
+            obj.is_equal_localvars(BaseRule())
+
+    def test_is_covered_localvars(self):
+        obj = BaseRule()
+        with self.assertRaises(AppArmorBug):
+            obj.is_covered_localvars(None)
+
+
+setup_all_loops(__name__)
+if __name__ == '__main__':
+    unittest.main(verbosity=2)