feat: implement Textual TUI and SQLite database for sensor management

tests/test_db.py

@@ -0,0 +1,82 @@
+import pytest
+import sqlite3
+import os
+from pathlib import Path
+from sensorpajen.db import DatabaseManager
+
+@pytest.fixture
+def db_path(tmp_path):
+    return tmp_path / "test_sensors.db"
+
+@pytest.fixture
+def db_manager(db_path):
+    manager = DatabaseManager(str(db_path))
+    manager.initialize()
+    return manager
+
+def test_db_initialization(db_path):
+    manager = DatabaseManager(str(db_path))
+    manager.initialize()
+    assert db_path.exists()
+    
+    # Verify table exists
+    conn = sqlite3.connect(str(db_path))
+    cursor = conn.cursor()
+    cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='discovered_sensors'")
+    assert cursor.fetchone() is not None
+    conn.close()
+
+def test_add_or_update_sensor(db_manager):
+    mac = "AA:BB:CC:DD:EE:FF"
+    db_manager.add_or_update_sensor(
+        mac=mac,
+        name="ATC_123456",
+        rssi=-70,
+        temp=22.5,
+        humidity=45.0,
+        battery_percent=100,
+        battery_voltage=3000
+    )
+    
+    sensor = db_manager.get_sensor(mac)
+    assert sensor["mac"] == mac
+    assert sensor["name"] == "ATC_123456"
+    assert sensor["count"] == 1
+    assert sensor["status"] == "pending"
+    
+    # Update
+    db_manager.add_or_update_sensor(
+        mac=mac,
+        name="ATC_123456",
+        rssi=-60,
+        temp=23.0,
+        humidity=40.0,
+        battery_percent=99,
+        battery_voltage=2900
+    )
+    
+    sensor = db_manager.get_sensor(mac)
+    assert sensor["count"] == 2
+    assert sensor["rssi"] == -60
+    assert sensor["last_temp"] == 23.0
+
+def test_update_status(db_manager):
+    mac = "AA:BB:CC:DD:EE:FF"
+    db_manager.add_or_update_sensor(mac, "Test", -70, 20, 50, 100, 3000)
+    
+    db_manager.update_status(mac, "approved")
+    sensor = db_manager.get_sensor(mac)
+    assert sensor["status"] == "approved"
+
+def test_get_sensors_by_status(db_manager):
+    db_manager.add_or_update_sensor("MAC1", "S1", -70, 20, 50, 100, 3000)
+    db_manager.add_or_update_sensor("MAC2", "S2", -70, 20, 50, 100, 3000)
+    db_manager.update_status("MAC2", "ignored")
+    
+    pending = db_manager.get_sensors(status="pending")
+    assert len(pending) == 1
+    assert pending[0]["mac"] == "MAC1"
+    
+    ignored = db_manager.get_sensors(status="ignored")
+    assert len(ignored) == 1
+    assert ignored[0]["mac"] == "MAC2"