test(journal_entry): added test cases for blocked purchase invoices

erpnext/accounts/doctype/journal_entry/test_journal_entry.py

@@ -2,7 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 import frappe
-from frappe.utils import flt, nowdate
+from frappe.utils import add_days, flt, nowdate
 
 from erpnext.accounts.doctype.account.test_account import get_inventory_account
 from erpnext.accounts.doctype.journal_entry.journal_entry import StockAccountInvalidTransaction
@@ -609,6 +609,69 @@ class TestJournalEntry(ERPNextTestSuite):
 		jv.save()
 		self.assertRaises(frappe.ValidationError, jv.submit)
 
+	def make_jv_against_purchase_invoice(self, invoice, amount=100):
+		jv = make_journal_entry("Creditors - _TC", "_Test Cash - _TC", amount, save=False)
+		jv.accounts[0].party_type = "Supplier"
+		jv.accounts[0].party = invoice.supplier
+		jv.accounts[0].reference_type = "Purchase Invoice"
+		jv.accounts[0].reference_name = invoice.name
+		return jv
+
+	def test_jv_against_purchase_invoice_respects_hold_state(self):
+		"""Payment can be booked against a Purchase Invoice only while it is not on hold."""
+		from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
+
+		release_date = add_days(nowdate(), 10)
+
+		def never_held():
+			return make_purchase_invoice()
+
+		def held_until_a_future_date():
+			invoice = make_purchase_invoice()
+			invoice.block_invoice(hold_comment="Waiting for the goods", release_date=release_date)
+			return invoice
+
+		def held_without_a_release_date():
+			invoice = make_purchase_invoice()
+			invoice.block_invoice(hold_comment="Under dispute")
+			return invoice
+
+		def held_until_a_date_that_has_passed():
+			invoice = held_until_a_future_date()
+			frappe.db.set_value("Purchase Invoice", invoice.name, "release_date", add_days(nowdate(), -1))
+			return invoice
+
+		def unblocked_again():
+			invoice = held_until_a_future_date()
+			invoice.unblock_invoice()
+			return invoice
+
+		for build_invoice in (held_until_a_future_date, held_without_a_release_date):
+			with self.subTest(build_invoice.__name__):
+				jv = self.make_jv_against_purchase_invoice(build_invoice())
+				self.assertRaisesRegex(frappe.ValidationError, "is blocked", jv.insert)
+
+		for build_invoice in (never_held, held_until_a_date_that_has_passed, unblocked_again):
+			with self.subTest(build_invoice.__name__):
+				invoice = build_invoice()
+				jv = self.make_jv_against_purchase_invoice(invoice)
+				jv.insert()
+				self.assertEqual(jv.reference_types[invoice.name], "Purchase Invoice")
+
+	def test_jv_against_blocked_sales_invoice_reference_is_not_checked(self):
+		"""A Sales Invoice has no hold state, so the check must skip it rather than fail."""
+		from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
+
+		invoice = create_sales_invoice(rate=500)
+		jv = make_journal_entry("_Test Cash - _TC", "Debtors - _TC", 100, save=False)
+		jv.accounts[1].party_type = "Customer"
+		jv.accounts[1].party = "_Test Customer"
+		jv.accounts[1].reference_type = "Sales Invoice"
+		jv.accounts[1].reference_name = invoice.name
+		jv.insert()
+
+		self.assertEqual(jv.reference_types[invoice.name], "Sales Invoice")
+
 
 def make_journal_entry(
 	account1,