fix: validate website settings (#18446) (#18469)

(cherry picked from commit c2f43c4b26)

Co-authored-by: Ankush Menat <ankush@frappe.io>

frappe/website/doctype/website_settings/test_website_settings.py

@@ -1,8 +1,35 @@
 # Copyright (c) 2020, Frappe Technologies and Contributors
 # License: MIT. See LICENSE
-# import frappe
+
+import frappe
 from frappe.tests.utils import FrappeTestCase
+from frappe.website.doctype.website_settings.website_settings import get_website_settings
 
 
 class TestWebsiteSettings(FrappeTestCase):
-	pass
+	def test_child_items_in_top_bar(self):
+		ws = frappe.get_doc("Website Settings")
+		ws.append(
+			"top_bar_items",
+			{"label": "Parent Item"},
+		)
+		ws.append(
+			"top_bar_items",
+			{"parent_label": "Parent Item", "label": "Child Item"},
+		)
+		ws.save()
+
+		context = get_website_settings()
+
+		for item in context.top_bar_items:
+			if item.label == "Parent Item":
+				self.assertEqual(item.child_items[0].label, "Child Item")
+				break
+		else:
+			self.fail("Child items not found")
+
+	def test_redirect_setups(self):
+		ws = frappe.get_doc("Website Settings")
+
+		ws.append("route_redirects", {"source": "/engineering/(*.)", "target": "/development/(*.)"})
+		self.assertRaises(frappe.ValidationError, ws.validate)

frappe/website/doctype/website_settings/website_settings.py

@@ -1,5 +1,6 @@
 # Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
 # License: MIT. See LICENSE
+import re
 from urllib.parse import quote
 
 import frappe
@@ -16,6 +17,7 @@ class WebsiteSettings(Document):
 		self.validate_footer_items()
 		self.validate_home_page()
 		self.validate_google_settings()
+		self.validate_redirects()
 
 	def validate_home_page(self):
 		if frappe.flags.in_install:
@@ -72,6 +74,16 @@ class WebsiteSettings(Document):
 		if self.enable_google_indexing and not frappe.db.get_single_value("Google Settings", "enable"):
 			frappe.throw(_("Enable Google API in Google Settings."))
 
+	def validate_redirects(self):
+		for idx, row in enumerate(self.route_redirects):
+			try:
+				source = row.source.strip("/ ") + "$"
+				re.compile(source)
+				re.sub(source, row.target, "")
+			except Exception as e:
+				if not frappe.flags.in_migrate:
+					frappe.throw(_("Invalid redirect regex in row #{}: {}").format(idx, str(e)))
+
 	def on_update(self):
 		self.clear_cache()