test: add comprehensive tests across modules to increase coverage above 60%

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

tests/test_api_settings.py

@@ -0,0 +1,38 @@
+"""Tests for app/api/settings.py module."""
+import pytest
+from unittest.mock import patch, MagicMock
+from fastapi import HTTPException
+
+from app.api.settings import require_admin
+
+
+@pytest.mark.unit
+class TestRequireAdmin:
+    """Tests for require_admin dependency."""
+
+    def test_raises_403_when_no_user(self):
+        """Test that 403 is raised when no user in session."""
+        mock_request = MagicMock()
+        mock_request.session = {}
+
+        with pytest.raises(HTTPException) as exc_info:
+            require_admin(mock_request)
+        assert exc_info.value.status_code == 403
+
+    def test_raises_403_when_not_admin(self):
+        """Test that 403 is raised for non-admin user."""
+        mock_request = MagicMock()
+        mock_request.session = {"user": {"id": "1", "is_admin": False}}
+
+        with pytest.raises(HTTPException) as exc_info:
+            require_admin(mock_request)
+        assert exc_info.value.status_code == 403
+
+    def test_returns_user_when_admin(self):
+        """Test that admin user is returned."""
+        mock_request = MagicMock()
+        user = {"id": "admin", "is_admin": True}
+        mock_request.session = {"user": user}
+
+        result = require_admin(mock_request)
+        assert result == user