fix load config, add unit test

lib/OperationalLogger.py

@@ -219,7 +219,7 @@ def setup(config_file=None, logger_name=None, log_filename=None, log_root_dir=No
             with open(config_file, 'r') as f:
                 loaded_config = json.load(f)
             for key, val in loaded_config.items():
-                if key in config and config[val] is None:
+                if key in config and config[key] is None:
                     logging.debug("- setting option from file: %s --> %s", key, val)
                     config[key] = val
     # Set reasonable defaults for remaining Nones.

lib/TestLoad.py

+#!/usr/bin/env python
+
+"""Unit tests for OperationalLogging."""
+
+import unittest
+from nose.tools import raises, eq_
+import tempfile
+import os
+import os.path
+import logging
+import shutil
+import atexit
+import StringIO
+import OperationalLogger as OpLog
+import OperationalMail as OpMail
+
+
+class TestAll(unittest.TestCase):
+
+    def setUp(self):
+        print '\n\n'
+        self.temp_dir = tempfile.mkdtemp()
+        self.log_dir = tempfile.mkdtemp()
+
+        OpLog.setup(config_file="test-config.json", log_root_dir=self.log_dir)
+
+    def tearDown(self):
+        shutil.rmtree(self.temp_dir)
+        shutil.rmtree(self.log_dir)
+        print '\n\n'
+
+    def test_config_file(self):
+        logging.info("This is an info.")
+
+if __name__ == '__main__':
+    unittest.main()