Added warning to information collector

tests/test_informationscollector.py

@@ -0,0 +1,45 @@
+from pathlib import Path
+import sys
+import unittest
+from unittest.mock import Mock
+
+sys.path[:0] = [str(Path(__file__).resolve().parents[1] / 'apps'),
+                str(Path(__file__).resolve().parents[1] / 'apps/ad_toolbox')]
+
+from informationscollector import InformationsCollector
+
+
+class WarningCollectorTests(unittest.TestCase):
+    def setUp(self):
+        self.app = object.__new__(InformationsCollector)
+        self.app.warning_list = []
+        self.app.warning_count_sensor = Mock()
+        self.app.warning_count_sensor.get_state.return_value = '2'
+
+    def test_warning_is_counted_and_exposed_in_attributes(self):
+        self.app.on_log_warning(
+            'example', None, 'WARNING', None, 'Something happened', {}
+        )
+
+        self.app.warning_count_sensor.set_state.assert_called_once_with(
+            state=3,
+            attributes={
+                'last_warning': 'Something happened',
+                'warning_list': ['Something happened'],
+            },
+        )
+
+    def test_warning_reset_clears_count_and_attributes(self):
+        self.app.warning_list = ['Old warning']
+
+        self.app.on_reset_warning_count(None, None, None, None, {})
+
+        self.assertEqual(self.app.warning_list, [])
+        self.app.warning_count_sensor.set_state.assert_called_once_with(
+            state=0,
+            attributes={'last_warning': '', 'warning_list': []},
+        )
+
+
+if __name__ == '__main__':
+    unittest.main()