Fix CI: update mock patch target and skip integration tests when DB unavailable

- test_discovery.py: patch slicks.fetcher.get_influx_client instead of
  slicks.discovery.InfluxDBClient3 (removed in v0.2.1)
- integration_test.py: skip class when live InfluxDB is unreachable or
  the configured database doesn't exist (WFR25 was deleted)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: haoruizhou

tests/integration_test.py

@@ -7,9 +7,28 @@
 # Ensure src is in path so we can import slicks
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '../src')))
 
-from slicks.fetcher import fetch_telemetry
+from slicks.fetcher import fetch_telemetry, get_influx_client
 from slicks.movement_detector import detect_movement_ratio
+from slicks import config
 
+
+def _influx_available() -> bool:
+    """Return True if the configured InfluxDB instance is reachable and has data."""
+    try:
+        client = get_influx_client()
+        client.query(
+            query=f"SELECT 1 FROM \"{config.INFLUX_DB}\" LIMIT 1",
+            mode="pandas",
+        )
+        return True
+    except Exception:
+        return False
+
+
+_SKIP_REASON = "Live InfluxDB not available or configured database not found"
+
+
+@unittest.skipUnless(_influx_available(), _SKIP_REASON)
 class TestTelemetryPipeline(unittest.TestCase):
     def setUp(self):
         # Time range as specified: Sept 28-30

tests/test_discovery.py

@@ -22,7 +22,7 @@
 class TestDiscoverSensorsMocked(unittest.TestCase):
     """Tests for discover_sensors with mocked InfluxDB."""
 
-    @patch('slicks.discovery.InfluxDBClient3')
+    @patch('slicks.fetcher.get_influx_client')
     @patch('slicks.discovery.config')
     def test_returns_sorted_unique_sensors(self, mock_config, mock_client_class):
         """Should return sorted deduplicated sensor list."""
@@ -54,7 +54,7 @@ def test_returns_sorted_unique_sensors(self, mock_config, mock_client_class):
 
         self.assertEqual(result, ["SensorA", "SensorB"])
 
-    @patch('slicks.discovery.InfluxDBClient3')
+    @patch('slicks.fetcher.get_influx_client')
     @patch('slicks.discovery.config')
     def test_returns_empty_list_when_no_data(self, mock_config, mock_client_class):
         """Should return empty list when no sensors found."""
@@ -77,7 +77,7 @@ def test_returns_empty_list_when_no_data(self, mock_config, mock_client_class):
 
         self.assertEqual(result, [])
 
-    @patch('slicks.discovery.InfluxDBClient3')
+    @patch('slicks.fetcher.get_influx_client')
     @patch('slicks.discovery.config')
     def test_raises_on_permanent_error(self, mock_config, mock_client_class):
         """Should raise RuntimeError on auth failure."""
@@ -97,7 +97,7 @@ def test_raises_on_permanent_error(self, mock_config, mock_client_class):
                 show_progress=False,
             )
 
-    @patch('slicks.discovery.InfluxDBClient3')
+    @patch('slicks.fetcher.get_influx_client')
     @patch('slicks.discovery.config')
     def test_filters_none_values(self, mock_config, mock_client_class):
         """Should skip None values in the signal name column."""
@@ -128,7 +128,7 @@ def test_filters_none_values(self, mock_config, mock_client_class):
 
         self.assertEqual(result, ["SensorA"])
 
-    @patch('slicks.discovery.InfluxDBClient3')
+    @patch('slicks.fetcher.get_influx_client')
     @patch('slicks.discovery.config')
     def test_default_chunk_size_is_7_days(self, mock_config, mock_client_class):
         """Default chunk_size_days=7 should produce 2 chunks for 10-day range."""
@@ -152,7 +152,7 @@ def test_default_chunk_size_is_7_days(self, mock_config, mock_client_class):
         # 10-day range with 7-day chunks = 2 chunks, each triggers at least 1 query
         self.assertGreaterEqual(mock_client.query.call_count, 2)
 
-    @patch('slicks.discovery.InfluxDBClient3')
+    @patch('slicks.fetcher.get_influx_client')
     @patch('slicks.discovery.config')
     def test_backward_compatible_client_param(self, mock_config, mock_client_class):
         """Passing client= should not raise (backward compat), even though unused."""