Add unit tests for LoginButton component with comprehensive coverage

backend/db/default.py

@@ -2,6 +2,8 @@
 # File: db/debug.py
 
 from tinydb import Query
+import os
+import shutil
 
 from api.image_api import IMAGE_TYPE_ICON, IMAGE_TYPE_PROFILE
 from db.db import task_db, reward_db, image_db
@@ -119,7 +121,22 @@ def createDefaultRewards():
             reward_db.insert(reward.to_dict())
 
 def initializeImages():
-    """Initialize the image database with default images if empty."""
+    
+    """Initialize the image database with default images if empty, and copy images to data/images/default."""
+     # Step 1: Create data/images/default directory if it doesn't exist
+    default_img_dir = os.path.join(os.path.dirname(__file__), '../data/images/default')
+    os.makedirs(default_img_dir, exist_ok=True)
+
+    # Step 2: Copy all image files from resources/images/ to data/images/default
+    src_img_dir = os.path.join(os.path.dirname(__file__), '../resources/images')
+    if os.path.exists(src_img_dir):
+        for fname in os.listdir(src_img_dir):
+            src_path = os.path.join(src_img_dir, fname)
+            dst_path = os.path.join(default_img_dir, fname)
+            if os.path.isfile(src_path):
+                shutil.copy2(src_path, dst_path)
+
+    # Original DB initialization logic
     if len(image_db.all()) == 0:
         image_defs = [
             ('boy01', IMAGE_TYPE_PROFILE, '.png', True),