Report permission denied when parsing config

Previously was returning ConfigFilesNotFoundError, when
underlying error was 13 - Permission Denied

Change-Id: I2c418f023c510205aa12a3acb9b09e6b1681f0d4
Closes-Bug: #1071799

1 files changed, 14 insertions, 1 deletions

diff --git a/tests/test_cfg.py b/tests/test_cfg.py
index dab7542..96060e7 100644
--- a/tests/test_cfg.py
+++ b/tests/test_cfg.py
@@ -72,7 +72,11 @@ class ExceptionsTestCase(base.BaseTestCase):
 
     def test_config_files_not_found_error(self):
         msg = str(cfg.ConfigFilesNotFoundError(['foo', 'bar']))
-        self.assertEqual(msg, 'Failed to read some config files: foo,bar')
+        self.assertEqual(msg, 'Failed to find some config files: foo,bar')
+
+    def test_config_files_permission_denied_error(self):
+        msg = str(cfg.ConfigFilesPermissionDeniedError(['foo', 'bar']))
+        self.assertEqual(msg, 'Failed to open some config files: foo,bar')
 
     def test_config_dir_not_found_error(self):
         msg = str(cfg.ConfigDirNotFoundError('foobar'))
@@ -2705,6 +2709,15 @@ class SadPathTestCase(BaseTestCase):
         self.assertRaises(cfg.ConfigFilesNotFoundError,
                           self.conf, ['--config-file', path])
 
+    def test_conf_file_permission_denied(self):
+        (fd, path) = tempfile.mkstemp()
+
+        os.chmod(path, 0x000)
+
+        self.assertRaises(cfg.ConfigFilesPermissionDeniedError,
+                          self.conf, ['--config-file', path])
+        os.remove(path)
+
     def test_conf_file_broken(self):
         paths = self.create_tempfiles([('test', 'foo')])