poc3

tests/test_config.py

@@ -0,0 +1,23 @@
+import os
+import unittest
+from unittest.mock import patch
+
+from app.config import Config
+
+
+class ConfigTests(unittest.TestCase):
+    def test_rule_update_interval_defaults_to_24_hours(self):
+        with patch.dict(os.environ, {}, clear=True):
+            self.assertEqual(Config.from_env().rule_update_interval_hours, 24)
+
+    def test_rule_update_interval_can_be_changed_or_disabled(self):
+        with patch.dict(os.environ, {"RULE_UPDATE_INTERVAL_HOURS": "6"}, clear=True):
+            self.assertEqual(Config.from_env().rule_update_interval_hours, 6)
+        with patch.dict(os.environ, {"RULE_UPDATE_INTERVAL_HOURS": "0"}, clear=True):
+            self.assertEqual(Config.from_env().rule_update_interval_hours, 0)
+        with patch.dict(os.environ, {"RULE_UPDATE_INTERVAL_HOURS": "-5"}, clear=True):
+            self.assertEqual(Config.from_env().rule_update_interval_hours, 0)
+
+
+if __name__ == "__main__":
+    unittest.main()