Initial commit: Kivy database interface application with search, add/update, delete functionality and Windows build support

test_database.py

@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+"""
+Test script for the MariaDB Database Manager
+This script tests the basic functionality without the GUI
+"""
+
+from database_manager import DatabaseManager
+
+def test_database_operations():
+    print("Testing MariaDB Database Manager...")
+    print("-" * 40)
+    
+    # Initialize database
+    db = DatabaseManager()
+    
+    # Test 1: Add some initial data
+    print("1. Adding initial test data...")
+    test_data = [
+        ("SYS001", 125.5),
+        ("SYS002", 89.7),
+        ("SYS003", 234.1)
+    ]
+    
+    for record_id, mass in test_data:
+        success = db.add_or_update_record(record_id, mass)
+        print(f"   Added {record_id}: {'✓' if success else '✗'}")
+    
+    print()
+    
+    # Test 2: Read all data
+    print("2. Reading all data...")
+    records = db.read_all_data()
+    for record in records:
+        print(f"   ID: {record[0]}, Mass: {record[1]}")
+    print(f"   Total records: {len(records)}")
+    print()
+    
+    # Test 3: Search for existing record
+    print("3. Searching for existing record 'SYS001'...")
+    result = db.search_by_id("SYS001")
+    if result:
+        print(f"   Found: {result[0]} = {result[1]}")
+    else:
+        print("   Not found")
+    print()
+    
+    # Test 4: Search for non-existing record
+    print("4. Searching for non-existing record 'SYS999'...")
+    result = db.search_by_id("SYS999")
+    if result:
+        print(f"   Found: {result[0]} = {result[1]}")
+    else:
+        print("   Not found - this is expected!")
+    print()
+    
+    # Test 5: Add the missing record
+    print("5. Adding the missing record 'SYS999'...")
+    success = db.add_or_update_record("SYS999", 456.8)
+    print(f"   Added SYS999: {'✓' if success else '✗'}")
+    
+    # Verify it was added
+    result = db.search_by_id("SYS999")
+    if result:
+        print(f"   Verification: Found {result[0]} = {result[1]}")
+    print()
+    
+    # Test 6: Update existing record
+    print("6. Updating existing record 'SYS001'...")
+    success = db.add_or_update_record("SYS001", 150.0)
+    print(f"   Updated SYS001: {'✓' if success else '✗'}")
+    
+    result = db.search_by_id("SYS001")
+    if result:
+        print(f"   New value: {result[0]} = {result[1]}")
+    print()
+    
+    # Test 7: Final count
+    print("7. Final database state...")
+    records = db.read_all_data()
+    print(f"   Total records: {len(records)}")
+    for record in records:
+        print(f"   {record[0]} = {record[1]}")
+    print()
+    
+    # Test 8: Delete a record
+    print("8. Testing delete functionality...")
+    success = db.delete_record("SYS999")
+    print(f"   Deleted SYS999: {'✓' if success else '✗'}")
+    
+    final_records = db.read_all_data()
+    print(f"   Final record count: {len(final_records)}")
+    print()
+    
+    # Close connection
+    db.close_connection()
+    
+    print("✓ All tests completed successfully!")
+    print("Note: Test records remain in the MariaDB database.")
+
+if __name__ == "__main__":
+    test_database_operations()