feat: implement Textual TUI and SQLite database for sensor management

tests/test_config.py

@@ -0,0 +1,67 @@
+import os
+import pytest
+from pathlib import Path
+from unittest.mock import patch, MagicMock
+import sensorpajen.config as config
+
+def test_config_defaults():
+    assert config.MQTT_HOST == "localhost"
+    assert config.MQTT_PORT == 1883
+    assert config.MQTT_USER == "user"
+    assert config.MQTT_PASSWORD == "password"
+    assert config.MQTT_CLIENT_ID == "sensorpajen"
+
+def test_sensor_config_load(tmp_path):
+    import sensorpajen.config as config
+    
+    config_file = tmp_path / "sensors.json"
+    sensors_data = {
+        "sensors": [
+            {"mac": "AA:BB:CC:DD:EE:FF", "name": "Living Room"},
+            {"mac": "11:22:33:44:55:66", "name": "Kitchen"}
+        ]
+    }
+    
+    import json
+    with open(config_file, "w") as f:
+        json.dump(sensors_data, f)
+        
+    sensor_cfg = config.SensorConfig(config_file=str(config_file))
+    assert sensor_cfg.sensors == {
+        "AA:BB:CC:DD:EE:FF": "Living Room",
+        "11:22:33:44:55:66": "Kitchen"
+    }
+    assert sensor_cfg.get_name("AA:BB:CC:DD:EE:FF") == "Living Room"
+    assert sensor_cfg.get_name("UNKNOWN") == "UNKNOWN"
+
+def test_sensor_config_add_remove(tmp_path):
+    import sensorpajen.config as config
+    config_file = tmp_path / "sensors.json"
+    # Start with empty
+    with open(config_file, "w") as f:
+        import json
+        json.dump({"sensors": []}, f)
+        
+    sensor_cfg = config.SensorConfig(config_file=str(config_file))
+    
+    # Add
+    sensor_cfg.add_sensor("AA:BB:CC:DD:EE:FF", "Living Room", "Test comment")
+    assert sensor_cfg.sensors["AA:BB:CC:DD:EE:FF"] == "Living Room"
+    
+    # Verify persistence
+    sensor_cfg2 = config.SensorConfig(config_file=str(config_file))
+    assert sensor_cfg2.sensors["AA:BB:CC:DD:EE:FF"] == "Living Room"
+    
+    # Remove
+    sensor_cfg.remove_sensor("AA:BB:CC:DD:EE:FF")
+    assert "AA:BB:CC:DD:EE:FF" not in sensor_cfg.sensors
+    
+    # Verify persistence
+    sensor_cfg3 = config.SensorConfig(config_file=str(config_file))
+    assert "AA:BB:CC:DD:EE:FF" not in sensor_cfg3.sensors
+
+def test_sensor_config_missing_file(tmp_path):
+    import sensorpajen.config as config
+    config_file = tmp_path / "nonexistent.json"
+    sensor_cfg = config.SensorConfig(config_file=str(config_file))
+    assert sensor_cfg.sensors == {}