test: fix test cases and related valiation for invalid item tax tempate

india_compliance/gst_india/overrides/test_subcontracting_transaction.py

@@ -298,7 +298,7 @@ def test_standalone_stock_entry(self):
 
         self.assertRaisesRegex(
             frappe.ValidationError,
-            re.compile(r"(.*GST Category is a mandatory field for GST Transactions.*)"),
+            re.compile(r"(.*is a mandatory field for GST Transactions.*)"),
             se.save,
         )
 

india_compliance/gst_india/overrides/test_transaction.py

@@ -589,7 +589,7 @@ def test_purchase_from_unregistered_supplier(self):
 
     def test_invalid_charge_type_as_actual(self):
         doc = create_transaction(**self.transaction_details, do_not_save=True)
-        _append_taxes(doc, ["CGST", "SGST"], charge_type="Actual", tax_amount=9)
+        _append_taxes(doc, ["CGST", "SGST"], charge_type="Actual", tax_amount=9, rate=0)
 
         self.assertRaisesRegex(
             frappe.exceptions.ValidationError,

india_compliance/gst_india/overrides/transaction.py

@@ -23,6 +23,7 @@
 from india_compliance.gst_india.doctype.gstin.gstin import get_and_validate_gstin_status
 from india_compliance.gst_india.utils import (
     get_all_gst_accounts,
+    get_gst_account_by_item_tax_template,
     get_gst_account_gst_tax_type_map,
     get_gst_accounts_by_type,
     get_hsn_settings,
@@ -545,8 +546,10 @@ def validate_missing_accounts_in_item_tax_template(self):
             if not row.item_tax_template:
                 continue
 
+            template_rows = get_gst_account_by_item_tax_template(row.item_tax_template)
+
             for account in self.used_accounts:
-                if account in row.item_tax_rate:
+                if account in template_rows:
                     continue
 
                 frappe.msgprint(

india_compliance/gst_india/utils/__init__.py

@@ -568,6 +568,15 @@ def get_gst_accounts_by_tax_type(company, tax_type, throw=True):
     )
 
 
+@frappe.request_cache
+def get_gst_account_by_item_tax_template(item_tax_template):
+    return frappe.get_all(
+        "Item Tax Template Detail",
+        filters={"parent": item_tax_template},
+        pluck="tax_type",
+    )
+
+
 def get_gst_account_gst_tax_type_map():
     """
     - Returns gst_account by tax_type for all the companies