Creating more tests for Configuration

tests/test_configuration.py

@@ -1,11 +1,30 @@
 #!/usr/bin/env python
+import mock
 import unittest
+import sys
+sys.modules['requests'] = mock.Mock()
 from cachet_url_monitor.configuration import Configuration
 
 
 class ConfigurationTest(unittest.TestCase):
+    def setUp(self):
+        self.configuration = Configuration('config.yml')
+
     def test_init(self):
-        configuration = Configuration('config.yml')
+        assert len(self.configuration.data) == 3
+        assert len(self.configuration.expectations) == 2
+
+    def test_evaluate(self):
+        def total_seconds():
+            return 0.1
+        def request(method, url, timeout=None):
+            response = mock.Mock()
+            response.status_code = 200
+            response.elapsed = mock.Mock()
+            response.elapsed.total_seconds = total_seconds
+            return response
+
+        sys.modules['requests'].request = request
+        self.configuration.evaluate()
 
-        assert len(configuration.data) == 3
-        assert len(configuration.expectations) == 2
+        assert self.configuration.status == 1