diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 14cbc5916c7..33fbd748c7b 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -295,8 +295,15 @@ class PurchaseInvoice(BuyingController):
 						item.expense_account = stock_not_billed_account
 
 			elif item.is_fixed_asset and not is_cwip_accounting_enabled(asset_category):
-				item.expense_account = get_asset_category_account('fixed_asset_account', item=item.item_code,
+				asset_category_account = get_asset_category_account('fixed_asset_account', item=item.item_code,
 					company = self.company)
+				if not asset_category_account:
+					form_link = get_link_to_form('Asset Category', asset_category)
+					throw(
+						_("Please set Fixed Asset Account in {} against {}.").format(form_link, self.company),
+						title=_("Missing Account")
+					)
+				item.expense_account = asset_category_account
 			elif item.is_fixed_asset and item.pr_detail:
 				item.expense_account = asset_received_but_not_billed
 			elif not item.expense_account and for_validate:
diff --git a/erpnext/accounts/doctype/subscription/subscription.py b/erpnext/accounts/doctype/subscription/subscription.py
index 5942ce5d637..744b99807fc 100644
--- a/erpnext/accounts/doctype/subscription/subscription.py
+++ b/erpnext/accounts/doctype/subscription/subscription.py
@@ -24,6 +24,7 @@ from erpnext.accounts.doctype.accounting_dimension.accounting_dimension import (
 	get_accounting_dimensions,
 )
 from erpnext.accounts.doctype.subscription_plan.subscription_plan import get_plan_rate
+from erpnext.accounts.party import get_party_account_currency
 
 
 class Subscription(Document):
@@ -356,6 +357,9 @@ class Subscription(Document):
 			if frappe.db.get_value('Supplier', self.party, 'tax_withholding_category'):
 				invoice.apply_tds = 1
 
+		### Add party currency to invoice
+		invoice.currency = get_party_account_currency(self.party_type, self.party, self.company)
+
 		## Add dimensions in invoice for subscription:
 		accounting_dimensions = get_accounting_dimensions()
 
diff --git a/erpnext/accounts/doctype/subscription/test_subscription.py b/erpnext/accounts/doctype/subscription/test_subscription.py
index 9dd370bd472..6f67bc5128b 100644
--- a/erpnext/accounts/doctype/subscription/test_subscription.py
+++ b/erpnext/accounts/doctype/subscription/test_subscription.py
@@ -60,15 +60,38 @@ def create_plan():
 		plan.billing_interval_count = 3
 		plan.insert()
 
+	if not frappe.db.exists('Subscription Plan', '_Test Plan Multicurrency'):
+		plan = frappe.new_doc('Subscription Plan')
+		plan.plan_name = '_Test Plan Multicurrency'
+		plan.item = '_Test Non Stock Item'
+		plan.price_determination = "Fixed Rate"
+		plan.cost = 50
+		plan.currency = 'USD'
+		plan.billing_interval = 'Month'
+		plan.billing_interval_count = 1
+		plan.insert()
+
+def create_parties():
 	if not frappe.db.exists('Supplier', '_Test Supplier'):
 		supplier = frappe.new_doc('Supplier')
 		supplier.supplier_name = '_Test Supplier'
 		supplier.supplier_group = 'All Supplier Groups'
 		supplier.insert()
 
+	if not frappe.db.exists('Customer', '_Test Subscription Customer'):
+		customer = frappe.new_doc('Customer')
+		customer.customer_name = '_Test Subscription Customer'
+		customer.billing_currency = 'USD'
+		customer.append('accounts', {
+			'company': '_Test Company',
+			'account': '_Test Receivable USD - _TC'
+		})
+		customer.insert()
+
 class TestSubscription(unittest.TestCase):
 	def setUp(self):
 		create_plan()
+		create_parties()
 
 	def test_create_subscription_with_trial_with_correct_period(self):
 		subscription = frappe.new_doc('Subscription')
@@ -637,3 +660,22 @@ class TestSubscription(unittest.TestCase):
 
 		subscription.process()
 		self.assertEqual(len(subscription.invoices), 1)
+
+	def test_multicurrency_subscription(self):
+		subscription = frappe.new_doc('Subscription')
+		subscription.party_type = 'Customer'
+		subscription.party = '_Test Subscription Customer'
+		subscription.generate_invoice_at_period_start = 1
+		subscription.company = '_Test Company'
+		# select subscription start date as '2018-01-15'
+		subscription.start_date = '2018-01-01'
+		subscription.append('plans', {'plan': '_Test Plan Multicurrency', 'qty': 1})
+		subscription.save()
+
+		subscription.process()
+		self.assertEqual(len(subscription.invoices), 1)
+		self.assertEqual(subscription.status, 'Unpaid')
+
+		# Check the currency of the created invoice
+		currency = frappe.db.get_value('Sales Invoice', subscription.invoices[0].invoice, 'currency')
+		self.assertEqual(currency, 'USD')
\ No newline at end of file
diff --git a/erpnext/accounts/report/accounts_receivable/accounts_receivable.py b/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
index 353f9087f1b..a990f23cd6b 100755
--- a/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
+++ b/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
@@ -545,7 +545,9 @@ class ReceivablePayableReport(object):
 
 	def set_ageing(self, row):
 		if self.filters.ageing_based_on == "Due Date":
-			entry_date = row.due_date
+			# use posting date as a fallback for advances posted via journal and payment entry
+			# when ageing viewed by due date
+			entry_date = row.due_date or row.posting_date
 		elif self.filters.ageing_based_on == "Supplier Invoice Date":
 			entry_date = row.bill_date
 		else:
diff --git a/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py b/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py
index a3a45d1e79c..caee1a10bbb 100644
--- a/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py
+++ b/erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py
@@ -36,12 +36,16 @@ def get_result(filters, tds_docs, tds_accounts, tax_category_map):
 			posting_date = entry.posting_date
 			voucher_type = entry.voucher_type
 
+			if not tax_withholding_category:
+				tax_withholding_category = supplier_map.get(supplier, {}).get('tax_withholding_category')
+				rate = tax_rate_map.get(tax_withholding_category)
+
 			if entry.account in tds_accounts:
 				tds_deducted += (entry.credit - entry.debit)
 
 			total_amount_credited += (entry.credit - entry.debit)
 
-		if rate and tds_deducted:
+		if tds_deducted:
 			row = {
 				'pan' if frappe.db.has_column('Supplier', 'pan') else 'tax_id': supplier_map.get(supplier, {}).get('pan'),
 				'supplier': supplier_map.get(supplier, {}).get('name')
@@ -67,7 +71,7 @@ def get_result(filters, tds_docs, tds_accounts, tax_category_map):
 
 def get_supplier_pan_map():
 	supplier_map = frappe._dict()
-	suppliers = frappe.db.get_all('Supplier', fields=['name', 'pan', 'supplier_type', 'supplier_name'])
+	suppliers = frappe.db.get_all('Supplier', fields=['name', 'pan', 'supplier_type', 'supplier_name', 'tax_withholding_category'])
 
 	for d in suppliers:
 		supplier_map[d.name] = d
diff --git a/erpnext/assets/doctype/asset/asset.js b/erpnext/assets/doctype/asset/asset.js
index c2b1bbcf142..153f5c537a2 100644
--- a/erpnext/assets/doctype/asset/asset.js
+++ b/erpnext/assets/doctype/asset/asset.js
@@ -110,7 +110,7 @@ frappe.ui.form.on('Asset', {
 
 			if (frm.doc.status != 'Fully Depreciated') {
 				frm.add_custom_button(__("Adjust Asset Value"), function() {
-					frm.trigger("create_asset_adjustment");
+					frm.trigger("create_asset_value_adjustment");
 				}, __("Manage"));
 			}
 
@@ -322,14 +322,14 @@ frappe.ui.form.on('Asset', {
 		});
 	},
 
-	create_asset_adjustment: function(frm) {
+	create_asset_value_adjustment: function(frm) {
 		frappe.call({
 			args: {
 				"asset": frm.doc.name,
 				"asset_category": frm.doc.asset_category,
 				"company": frm.doc.company
 			},
-			method: "erpnext.assets.doctype.asset.asset.create_asset_adjustment",
+			method: "erpnext.assets.doctype.asset.asset.create_asset_value_adjustment",
 			freeze: 1,
 			callback: function(r) {
 				var doclist = frappe.model.sync(r.message);
diff --git a/erpnext/assets/doctype/asset/asset.py b/erpnext/assets/doctype/asset/asset.py
index beb46f37ab1..90257c784ee 100644
--- a/erpnext/assets/doctype/asset/asset.py
+++ b/erpnext/assets/doctype/asset/asset.py
@@ -470,7 +470,6 @@ class Asset(AccountsController):
 
 				asset_value_after_full_schedule = flt(
 					flt(self.gross_purchase_amount) -
-					flt(self.opening_accumulated_depreciation) -
 					flt(accumulated_depreciation_after_full_schedule), self.precision('gross_purchase_amount'))
 
 				if (row.expected_value_after_useful_life and
@@ -732,14 +731,14 @@ def create_asset_repair(asset, asset_name):
 	return asset_repair
 
 @frappe.whitelist()
-def create_asset_adjustment(asset, asset_category, company):
-	asset_maintenance = frappe.get_doc("Asset Value Adjustment")
-	asset_maintenance.update({
+def create_asset_value_adjustment(asset, asset_category, company):
+	asset_value_adjustment = frappe.new_doc("Asset Value Adjustment")
+	asset_value_adjustment.update({
 		"asset": asset,
 		"company": company,
 		"asset_category": asset_category
 	})
-	return asset_maintenance
+	return asset_value_adjustment
 
 @frappe.whitelist()
 def transfer_asset(args):
diff --git a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js
index b76c3784a47..e0ddc722cc9 100644
--- a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js
+++ b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js
@@ -124,6 +124,14 @@ frappe.ui.form.on("Request for Quotation",{
 		dialog.show()
 	},
 
+	schedule_date(frm) {
+		if(frm.doc.schedule_date){
+			frm.doc.items.forEach((item) => {
+				item.schedule_date = frm.doc.schedule_date;
+			})
+		}
+		refresh_field("items");
+	},
 	preview: (frm) => {
 		let dialog = new frappe.ui.Dialog({
 			title: __('Preview Email'),
@@ -184,7 +192,13 @@ frappe.ui.form.on("Request for Quotation",{
 		dialog.show();
 	}
 })
-
+frappe.ui.form.on("Request for Quotation Item", {
+	items_add(frm, cdt, cdn) {
+		if (frm.doc.schedule_date) {
+			frappe.model.set_value(cdt, cdn, 'schedule_date', frm.doc.schedule_date);
+		}
+	}
+});
 frappe.ui.form.on("Request for Quotation Supplier",{
 	supplier: function(frm, cdt, cdn) {
 		var d = locals[cdt][cdn]
diff --git a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.json b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.json
index 4ce4100a7fc..4993df90d16 100644
--- a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.json
+++ b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.json
@@ -12,6 +12,7 @@
   "vendor",
   "column_break1",
   "transaction_date",
+  "schedule_date",
   "status",
   "amended_from",
   "suppliers_section",
@@ -246,16 +247,22 @@
    "fieldname": "sec_break_email_2",
    "fieldtype": "Section Break",
    "hide_border": 1
+  },
+  {
+   "fieldname": "schedule_date",
+   "fieldtype": "Date",
+   "label": "Required Date"
   }
  ],
  "icon": "fa fa-shopping-cart",
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2020-11-05 22:04:29.017134",
+ "modified": "2021-11-24 17:47:49.909000",
  "modified_by": "Administrator",
  "module": "Buying",
  "name": "Request for Quotation",
+ "naming_rule": "By \"Naming Series\" field",
  "owner": "Administrator",
  "permissions": [
   {
diff --git a/erpnext/erpnext_integrations/doctype/taxjar_settings/taxjar_settings.json b/erpnext/erpnext_integrations/doctype/taxjar_settings/taxjar_settings.json
index ae1f36e73fa..6afd3f70381 100644
--- a/erpnext/erpnext_integrations/doctype/taxjar_settings/taxjar_settings.json
+++ b/erpnext/erpnext_integrations/doctype/taxjar_settings/taxjar_settings.json
@@ -115,8 +115,7 @@
  ],
  "issingle": 1,
  "links": [],
- "migration_hash": "8ca1ea3309ed28547b19da8e6e27e96f",
- "modified": "2021-11-30 11:17:24.647979",
+ "modified": "2021-11-30 12:17:24.647979",
  "modified_by": "Administrator",
  "module": "ERPNext Integrations",
  "name": "TaxJar Settings",
diff --git a/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py b/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py
index 37ea3fdac30..501712613a8 100644
--- a/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py
+++ b/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py
@@ -56,9 +56,14 @@ class TestMaintenanceSchedule(unittest.TestCase):
 
 		ms.submit()
 		s_id = ms.get_pending_data(data_type = "id", item_name = i.item_name, s_date = expected_dates[1])
-		test = make_maintenance_visit(source_name = ms.name, item_name = "_Test Item", s_id = s_id)
+
+		# Check if item is mapped in visit.
+		test_map_visit = make_maintenance_visit(source_name = ms.name, item_name = "_Test Item", s_id = s_id)
+		self.assertEqual(len(test_map_visit.purposes), 1)
+		self.assertEqual(test_map_visit.purposes[0].item_name, "_Test Item")
+
 		visit = frappe.new_doc('Maintenance Visit')
-		visit = test
+		visit = test_map_visit
 		visit.maintenance_schedule = ms.name
 		visit.maintenance_schedule_detail = s_id
 		visit.completion_status = "Partially Completed"
diff --git a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js
index b920b6339ac..78289679744 100644
--- a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js
+++ b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js
@@ -47,7 +47,7 @@ frappe.ui.form.on('Maintenance Visit', {
 			frm.set_value({ status: 'Draft' });
 		}
 		if (frm.doc.__islocal) {
-			frm.clear_table("purposes");
+			frm.doc.maintenance_type == 'Unscheduled' && frm.clear_table("purposes");
 			frm.set_value({ mntc_date: frappe.datetime.get_today() });
 		}
 	},
diff --git a/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py b/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
index d5db3fc1ccf..eff2344e85c 100644
--- a/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
+++ b/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
@@ -1,17 +1,15 @@
 # Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
-
-import unittest
-
 import frappe
 from frappe.utils import add_months, today
 
 from erpnext import get_company_currency
+from erpnext.tests.utils import ERPNextTestCase
 
 from .blanket_order import make_order
 
 
-class TestBlanketOrder(unittest.TestCase):
+class TestBlanketOrder(ERPNextTestCase):
 	def setUp(self):
 		frappe.flags.args = frappe._dict()
 
diff --git a/erpnext/manufacturing/doctype/bom/test_bom.py b/erpnext/manufacturing/doctype/bom/test_bom.py
index 6126c95cd45..2f9804d1d4a 100644
--- a/erpnext/manufacturing/doctype/bom/test_bom.py
+++ b/erpnext/manufacturing/doctype/bom/test_bom.py
@@ -2,7 +2,6 @@
 # License: GNU General Public License v3. See license.txt
 
 
-import unittest
 from collections import deque
 from functools import partial
 
@@ -18,10 +17,11 @@ from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import
 	create_stock_reconciliation,
 )
 from erpnext.tests.test_subcontracting import set_backflush_based_on
+from erpnext.tests.utils import ERPNextTestCase
 
 test_records = frappe.get_test_records('BOM')
 
-class TestBOM(unittest.TestCase):
+class TestBOM(ERPNextTestCase):
 	def setUp(self):
 		if not frappe.get_value('Item', '_Test Item'):
 			make_test_records('Item')
diff --git a/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py b/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py
index 526c243ed78..12576cbf322 100644
--- a/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py
+++ b/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py
@@ -1,19 +1,16 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-
-
-import unittest
-
 import frappe
 
 from erpnext.manufacturing.doctype.bom_update_tool.bom_update_tool import update_cost
 from erpnext.manufacturing.doctype.production_plan.test_production_plan import make_bom
 from erpnext.stock.doctype.item.test_item import create_item
+from erpnext.tests.utils import ERPNextTestCase
 
 test_records = frappe.get_test_records('BOM')
 
-class TestBOMUpdateTool(unittest.TestCase):
+class TestBOMUpdateTool(ERPNextTestCase):
 	def test_replace_bom(self):
 		current_bom = "BOM-_Test Item Home Desktop Manufactured-001"
 
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.js b/erpnext/manufacturing/doctype/job_card/job_card.js
index bb258812b21..768cea33dae 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.js
+++ b/erpnext/manufacturing/doctype/job_card/job_card.js
@@ -76,6 +76,15 @@ frappe.ui.form.on('Job Card', {
 			frm.trigger("prepare_timer_buttons");
 		}
 		frm.trigger("setup_quality_inspection");
+
+		if (frm.doc.work_order) {
+			frappe.db.get_value('Work Order', frm.doc.work_order,
+				'transfer_material_against').then((r) => {
+				if (r.message.transfer_material_against == 'Work Order') {
+					frm.set_df_property('items', 'hidden', 1);
+				}
+			});
+		}
 	},
 
 	setup_quality_inspection: function(frm) {
diff --git a/erpnext/manufacturing/doctype/job_card/test_job_card.py b/erpnext/manufacturing/doctype/job_card/test_job_card.py
index 9b4fc8b8b7a..bb5004ba86f 100644
--- a/erpnext/manufacturing/doctype/job_card/test_job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/test_job_card.py
@@ -1,6 +1,5 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
-import unittest
 
 import frappe
 from frappe.utils import random_string
@@ -12,9 +11,10 @@ from erpnext.manufacturing.doctype.job_card.job_card import (
 from erpnext.manufacturing.doctype.work_order.test_work_order import make_wo_order_test_record
 from erpnext.manufacturing.doctype.workstation.test_workstation import make_workstation
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
+from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestJobCard(unittest.TestCase):
+class TestJobCard(ERPNextTestCase):
 	def setUp(self):
 		make_bom_for_jc_tests()
 
@@ -329,4 +329,4 @@ def make_bom_for_jc_tests():
 	bom.rm_cost_as_per = "Valuation Rate"
 	bom.items[0].uom = "_Test UOM 1"
 	bom.items[0].conversion_factor = 5
-	bom.insert()
\ No newline at end of file
+	bom.insert()
diff --git a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
index a2980a732ed..2febc1e23c0 100644
--- a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
@@ -1,8 +1,5 @@
 # Copyright (c) 2017, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
-
-import unittest
-
 import frappe
 from frappe.utils import add_to_date, flt, now_datetime, nowdate
 
@@ -17,9 +14,10 @@ from erpnext.stock.doctype.item.test_item import create_item
 from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import (
 	create_stock_reconciliation,
 )
+from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestProductionPlan(unittest.TestCase):
+class TestProductionPlan(ERPNextTestCase):
 	def setUp(self):
 		for item in ['Test Production Item 1', 'Subassembly Item 1',
 			'Raw Material Item 1', 'Raw Material Item 2']:
diff --git a/erpnext/manufacturing/doctype/routing/test_routing.py b/erpnext/manufacturing/doctype/routing/test_routing.py
index 68d9dec04b1..e90b0a7d6d2 100644
--- a/erpnext/manufacturing/doctype/routing/test_routing.py
+++ b/erpnext/manufacturing/doctype/routing/test_routing.py
@@ -1,17 +1,15 @@
 # Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
-
-import unittest
-
 import frappe
 from frappe.test_runner import make_test_records
 
 from erpnext.manufacturing.doctype.job_card.job_card import OperationSequenceError
 from erpnext.manufacturing.doctype.work_order.test_work_order import make_wo_order_test_record
 from erpnext.stock.doctype.item.test_item import make_item
+from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestRouting(unittest.TestCase):
+class TestRouting(ERPNextTestCase):
 	@classmethod
 	def setUpClass(cls):
 		cls.item_code = "Test Routing Item - A"
diff --git a/erpnext/manufacturing/doctype/work_order/test_work_order.py b/erpnext/manufacturing/doctype/work_order/test_work_order.py
index f4a88dc4598..3949fe34852 100644
--- a/erpnext/manufacturing/doctype/work_order/test_work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/test_work_order.py
@@ -1,6 +1,5 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
-import unittest
 
 import frappe
 from frappe.utils import add_months, cint, flt, now, today
@@ -21,9 +20,10 @@ from erpnext.stock.doctype.item.test_item import create_item, make_item
 from erpnext.stock.doctype.stock_entry import test_stock_entry
 from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
 from erpnext.stock.utils import get_bin
+from erpnext.tests.utils import ERPNextTestCase, timeout
 
 
-class TestWorkOrder(unittest.TestCase):
+class TestWorkOrder(ERPNextTestCase):
 	def setUp(self):
 		self.warehouse = '_Test Warehouse 2 - _TC'
 		self.item = '_Test Item'
@@ -91,7 +91,7 @@ class TestWorkOrder(unittest.TestCase):
 
 	def test_reserved_qty_for_partial_completion(self):
 		item = "_Test Item"
-		warehouse = create_warehouse("Test Warehouse for reserved_qty - _TC")
+		warehouse = "_Test Warehouse - _TC"
 
 		bin1_at_start = get_bin(item, warehouse)
 
@@ -376,6 +376,7 @@ class TestWorkOrder(unittest.TestCase):
 		self.assertEqual(len(ste.additional_costs), 1)
 		self.assertEqual(ste.total_additional_costs, 1000)
 
+	@timeout(seconds=60)
 	def test_job_card(self):
 		stock_entries = []
 		bom = frappe.get_doc('BOM', {
@@ -769,6 +770,7 @@ class TestWorkOrder(unittest.TestCase):
 			total_pl_qty
 		)
 
+	@timeout(seconds=60)
 	def test_job_card_scrap_item(self):
 		items = ['Test FG Item for Scrap Item Test', 'Test RM Item 1 for Scrap Item Test',
 			'Test RM Item 2 for Scrap Item Test']
diff --git a/erpnext/manufacturing/doctype/workstation/test_workstation.py b/erpnext/manufacturing/doctype/workstation/test_workstation.py
index 5ed51535282..c298c0a8dbb 100644
--- a/erpnext/manufacturing/doctype/workstation/test_workstation.py
+++ b/erpnext/manufacturing/doctype/workstation/test_workstation.py
@@ -1,8 +1,5 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors and Contributors
 # See license.txt
-
-import unittest
-
 import frappe
 from frappe.test_runner import make_test_records
 
@@ -13,12 +10,13 @@ from erpnext.manufacturing.doctype.workstation.workstation import (
 	WorkstationHolidayError,
 	check_if_within_operating_hours,
 )
+from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ["Warehouse"]
 test_records = frappe.get_test_records('Workstation')
 make_test_records('Workstation')
 
-class TestWorkstation(unittest.TestCase):
+class TestWorkstation(ERPNextTestCase):
 	def test_validate_timings(self):
 		check_if_within_operating_hours("_Test Workstation 1", "Operation 1", "2013-02-02 11:00:00", "2013-02-02 19:00:00")
 		check_if_within_operating_hours("_Test Workstation 1", "Operation 1", "2013-02-02 10:00:00", "2013-02-02 20:00:00")
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index f2c0ff5ca6b..47d424b3524 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -178,6 +178,7 @@ erpnext.patches.v12_0.set_updated_purpose_in_pick_list
 erpnext.patches.v12_0.set_default_payroll_based_on
 erpnext.patches.v12_0.repost_stock_ledger_entries_for_target_warehouse
 erpnext.patches.v12_0.update_end_date_and_status_in_email_campaign
+erpnext.patches.v13_0.validate_options_for_data_field
 erpnext.patches.v13_0.move_tax_slabs_from_payroll_period_to_income_tax_slab #123
 erpnext.patches.v12_0.fix_quotation_expired_status
 erpnext.patches.v12_0.update_appointment_reminder_scheduler_entry
@@ -311,7 +312,6 @@ execute:frappe.reload_doc("erpnext_integrations", "doctype", "TaxJar Settings")
 execute:frappe.reload_doc("erpnext_integrations", "doctype", "Product Tax Category")
 erpnext.patches.v13_0.custom_fields_for_taxjar_integration          #08-11-2021
 erpnext.patches.v13_0.set_operation_time_based_on_operating_cost
-erpnext.patches.v13_0.validate_options_for_data_field
 erpnext.patches.v13_0.create_website_items #30-09-2021
 erpnext.patches.v13_0.populate_e_commerce_settings
 erpnext.patches.v13_0.make_homepage_products_website_items
@@ -336,5 +336,5 @@ erpnext.patches.v13_0.item_naming_series_not_mandatory
 erpnext.patches.v13_0.update_category_in_ltds_certificate
 erpnext.patches.v13_0.create_ksa_vat_custom_fields
 erpnext.patches.v13_0.rename_ksa_qr_field
-erpnext.patches.v13_0.disable_ksa_print_format_for_others
-erpnext.patches.v13_0.update_tax_category_for_rcm
\ No newline at end of file
+erpnext.patches.v13_0.disable_ksa_print_format_for_others # 16-12-2021
+erpnext.patches.v13_0.update_tax_category_for_rcm
diff --git a/erpnext/patches/v13_0/disable_ksa_print_format_for_others.py b/erpnext/patches/v13_0/disable_ksa_print_format_for_others.py
index c815b3bb3c9..aa2a2d3b785 100644
--- a/erpnext/patches/v13_0/disable_ksa_print_format_for_others.py
+++ b/erpnext/patches/v13_0/disable_ksa_print_format_for_others.py
@@ -3,10 +3,13 @@
 
 import frappe
 
+from erpnext.regional.saudi_arabia.setup import add_print_formats
+
 
 def execute():
 	company = frappe.get_all('Company', filters = {'country': 'Saudi Arabia'})
 	if company:
+		add_print_formats()
 		return
 
 	if frappe.db.exists('DocType', 'Print Format'):
diff --git a/erpnext/patches/v13_0/rename_ksa_qr_field.py b/erpnext/patches/v13_0/rename_ksa_qr_field.py
index 0bb86e04509..f4f9b17fb81 100644
--- a/erpnext/patches/v13_0/rename_ksa_qr_field.py
+++ b/erpnext/patches/v13_0/rename_ksa_qr_field.py
@@ -2,6 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 import frappe
+from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
 from frappe.model.utils.rename_field import rename_field
 
 
@@ -12,5 +13,20 @@ def execute():
 
 	if frappe.db.exists('DocType', 'Sales Invoice'):
 		frappe.reload_doc('accounts', 'doctype', 'sales_invoice', force=True)
+
+		# rename_field method assumes that the field already exists or the doc is synced
+		if not frappe.db.has_column('Sales Invoice', 'ksa_einv_qr'):
+			create_custom_fields({
+				'Sales Invoice': [
+					dict(
+						fieldname='ksa_einv_qr',
+						label='KSA E-Invoicing QR',
+						fieldtype='Attach Image',
+						read_only=1, no_copy=1, hidden=1
+					)
+				]
+			})
+
 		if frappe.db.has_column('Sales Invoice', 'qr_code'):
 			rename_field('Sales Invoice', 'qr_code', 'ksa_einv_qr')
+			frappe.delete_doc_if_exists("Custom Field", "Sales Invoice-qr_code")
diff --git a/erpnext/payroll/doctype/salary_slip/salary_slip.py b/erpnext/payroll/doctype/salary_slip/salary_slip.py
index 6e9503fb9a6..efbc4681d7a 100644
--- a/erpnext/payroll/doctype/salary_slip/salary_slip.py
+++ b/erpnext/payroll/doctype/salary_slip/salary_slip.py
@@ -944,10 +944,12 @@ class SalarySlip(TransactionBase):
 
 	def get_amount_based_on_payment_days(self, row, joining_date, relieving_date):
 		amount, additional_amount = row.amount, row.additional_amount
+		timesheet_component = frappe.db.get_value("Salary Structure", self.salary_structure, "salary_component")
+
 		if (self.salary_structure and
 			cint(row.depends_on_payment_days) and cint(self.total_working_days)
 			and not (row.additional_salary and row.default_amount) # to identify overwritten additional salary
-			and (not self.salary_slip_based_on_timesheet or
+			and (row.salary_component != timesheet_component or
 				getdate(self.start_date) < joining_date or
 				(relieving_date and getdate(self.end_date) > relieving_date)
 			)):
@@ -956,7 +958,7 @@ class SalarySlip(TransactionBase):
 			amount = flt((flt(row.default_amount) * flt(self.payment_days)
 				/ cint(self.total_working_days)), row.precision("amount")) + additional_amount
 
-		elif not self.payment_days and not self.salary_slip_based_on_timesheet and cint(row.depends_on_payment_days):
+		elif not self.payment_days and row.salary_component != timesheet_component and cint(row.depends_on_payment_days):
 			amount, additional_amount = 0, 0
 		elif not row.amount:
 			amount = flt(row.default_amount) + flt(row.additional_amount)
diff --git a/erpnext/payroll/doctype/salary_slip/test_salary_slip.py b/erpnext/payroll/doctype/salary_slip/test_salary_slip.py
index 0f97b7aaf85..e621322d940 100644
--- a/erpnext/payroll/doctype/salary_slip/test_salary_slip.py
+++ b/erpnext/payroll/doctype/salary_slip/test_salary_slip.py
@@ -134,6 +134,57 @@ class TestSalarySlip(unittest.TestCase):
 
 		frappe.db.set_value("Payroll Settings", None, "payroll_based_on", "Leave")
 
+	def test_payment_days_in_salary_slip_based_on_timesheet(self):
+		from erpnext.hr.doctype.attendance.attendance import mark_attendance
+		from erpnext.projects.doctype.timesheet.test_timesheet import (
+			make_salary_structure_for_timesheet,
+			make_timesheet,
+		)
+		from erpnext.projects.doctype.timesheet.timesheet import (
+			make_salary_slip as make_salary_slip_for_timesheet,
+		)
+
+		# Payroll based on attendance
+		frappe.db.set_value("Payroll Settings", None, "payroll_based_on", "Attendance")
+
+		emp = make_employee("test_employee_timesheet@salary.com", company="_Test Company")
+		frappe.db.set_value("Employee", emp, {"relieving_date": None, "status": "Active"})
+
+		# mark attendance
+		month_start_date = get_first_day(nowdate())
+		month_end_date = get_last_day(nowdate())
+
+		first_sunday = frappe.db.sql("""
+			select holiday_date from `tabHoliday`
+			where parent = 'Salary Slip Test Holiday List'
+				and holiday_date between %s and %s
+			order by holiday_date
+		""", (month_start_date, month_end_date))[0][0]
+
+		mark_attendance(emp, add_days(first_sunday, 1), 'Absent', ignore_validate=True) # counted as absent
+
+		# salary structure based on timesheet
+		make_salary_structure_for_timesheet(emp)
+		timesheet = make_timesheet(emp, simulate=True, is_billable=1)
+		salary_slip = make_salary_slip_for_timesheet(timesheet.name)
+		salary_slip.start_date = month_start_date
+		salary_slip.end_date = month_end_date
+		salary_slip.save()
+		salary_slip.submit()
+
+		no_of_days = self.get_no_of_days()
+		days_in_month = no_of_days[0]
+		no_of_holidays = no_of_days[1]
+
+		self.assertEqual(salary_slip.payment_days, days_in_month - no_of_holidays - 1)
+
+		# gross pay calculation based on attendance (payment days)
+		gross_pay = 78100 - ((78000 / (days_in_month - no_of_holidays)) * flt(salary_slip.leave_without_pay + salary_slip.absent_days))
+
+		self.assertEqual(salary_slip.gross_pay, flt(gross_pay, 2))
+
+		frappe.db.set_value("Payroll Settings", None, "payroll_based_on", "Leave")
+
 	def test_component_amount_dependent_on_another_payment_days_based_component(self):
 		from erpnext.hr.doctype.attendance.attendance import mark_attendance
 		from erpnext.payroll.doctype.salary_structure.test_salary_structure import (
diff --git a/erpnext/projects/doctype/timesheet/test_timesheet.py b/erpnext/projects/doctype/timesheet/test_timesheet.py
index d59cc01013b..148d8ba29c2 100644
--- a/erpnext/projects/doctype/timesheet/test_timesheet.py
+++ b/erpnext/projects/doctype/timesheet/test_timesheet.py
@@ -34,10 +34,6 @@ class TestTimesheet(unittest.TestCase):
 		for dt in ["Salary Slip", "Salary Structure", "Salary Structure Assignment", "Timesheet"]:
 			frappe.db.sql("delete from `tab%s`" % dt)
 
-		if not frappe.db.exists("Salary Component", "Timesheet Component"):
-			frappe.get_doc({"doctype": "Salary Component", "salary_component": "Timesheet Component"}).insert()
-
-
 	def test_timesheet_billing_amount(self):
 		emp = make_employee("test_employee_6@salary.com")
 
@@ -160,6 +156,9 @@ def make_salary_structure_for_timesheet(employee, company=None):
 	salary_structure_name = "Timesheet Salary Structure Test"
 	frequency = "Monthly"
 
+	if not frappe.db.exists("Salary Component", "Timesheet Component"):
+		frappe.get_doc({"doctype": "Salary Component", "salary_component": "Timesheet Component"}).insert()
+
 	salary_structure = make_salary_structure(salary_structure_name, frequency, company=company, dont_submit=True)
 	salary_structure.salary_component = "Timesheet Component"
 	salary_structure.salary_slip_based_on_timesheet = 1
diff --git a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py
index 17d611738d3..ac78a8107df 100644
--- a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py
+++ b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py
@@ -115,9 +115,11 @@ def get_items(filters):
 
 	items = frappe.db.sql("""
 		select
-			`tabSales Invoice Item`.name, `tabSales Invoice Item`.base_price_list_rate,
-			`tabSales Invoice Item`.gst_hsn_code, `tabSales Invoice Item`.stock_qty,
-			`tabSales Invoice Item`.stock_uom, `tabSales Invoice Item`.base_net_amount,
+			`tabSales Invoice Item`.gst_hsn_code,
+			`tabSales Invoice Item`.stock_uom,
+			sum(`tabSales Invoice Item`.stock_qty) as stock_qty,
+			sum(`tabSales Invoice Item`.base_net_amount) as base_net_amount,
+			sum(`tabSales Invoice Item`.base_price_list_rate) as base_price_list_rate,
 			`tabSales Invoice Item`.parent, `tabSales Invoice Item`.item_code,
 			`tabGST HSN Code`.description
 		from `tabSales Invoice`, `tabSales Invoice Item`, `tabGST HSN Code`
@@ -125,6 +127,8 @@ def get_items(filters):
 			and `tabSales Invoice`.docstatus = 1
 			and `tabSales Invoice Item`.gst_hsn_code is not NULL
 			and `tabSales Invoice Item`.gst_hsn_code = `tabGST HSN Code`.name %s %s
+		group by
+			`tabSales Invoice Item`.parent, `tabSales Invoice Item`.item_code
 
 		""" % (conditions, match_conditions), filters, as_dict=1)
 
diff --git a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/test_hsn_wise_summary_of_outward_supplies.py b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/test_hsn_wise_summary_of_outward_supplies.py
new file mode 100644
index 00000000000..86dc458bdb1
--- /dev/null
+++ b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/test_hsn_wise_summary_of_outward_supplies.py
@@ -0,0 +1,89 @@
+# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+
+from unittest import TestCase
+
+import frappe
+
+from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
+from erpnext.regional.doctype.gstr_3b_report.test_gstr_3b_report import (
+	make_company as setup_company,
+)
+from erpnext.regional.doctype.gstr_3b_report.test_gstr_3b_report import (
+	make_customers as setup_customers,
+)
+from erpnext.regional.doctype.gstr_3b_report.test_gstr_3b_report import (
+	set_account_heads as setup_gst_settings,
+)
+from erpnext.regional.report.hsn_wise_summary_of_outward_supplies.hsn_wise_summary_of_outward_supplies import (
+	execute as run_report,
+)
+from erpnext.stock.doctype.item.test_item import make_item
+
+
+class TestHSNWiseSummaryReport(TestCase):
+	@classmethod
+	def setUpClass(cls):
+		setup_company()
+		setup_customers()
+		setup_gst_settings()
+		make_item("Golf Car", properties={ "gst_hsn_code": "999900" })
+
+	@classmethod
+	def tearDownClass(cls):
+		frappe.db.rollback()
+
+	def test_hsn_summary_for_invoice_with_duplicate_items(self):
+		si = create_sales_invoice(
+			company="_Test Company GST",
+			customer = "_Test GST Customer",
+			currency = "INR",
+			warehouse = "Finished Goods - _GST",
+			debit_to = "Debtors - _GST",
+			income_account = "Sales - _GST",
+			expense_account = "Cost of Goods Sold - _GST",
+			cost_center = "Main - _GST",
+			do_not_save=1
+		)
+
+		si.items = []
+		si.append("items", {
+			"item_code": "Golf Car",
+			"gst_hsn_code": "999900",
+			"qty": "1",
+			"rate": "120",
+			"cost_center": "Main - _GST"
+		})
+		si.append("items", {
+			"item_code": "Golf Car",
+			"gst_hsn_code": "999900",
+			"qty": "1",
+			"rate": "140",
+			"cost_center": "Main - _GST"
+		})
+		si.append("taxes", {
+			"charge_type": "On Net Total",
+			"account_head": "Output Tax IGST - _GST",
+			"cost_center": "Main - _GST",
+			"description": "IGST @ 18.0",
+			"rate": 18
+		})
+		si.posting_date = "2020-11-17"
+		si.submit()
+		si.reload()
+
+		[columns, data] = run_report(filters=frappe._dict({
+			"company": "_Test Company GST",
+			"gst_hsn_code": "999900",
+			"company_gstin": si.company_gstin,
+			"from_date": si.posting_date,
+			"to_date": si.posting_date
+		}))
+
+		filtered_rows = list(filter(lambda row: row['gst_hsn_code'] == "999900", data))
+		self.assertTrue(filtered_rows)
+
+		hsn_row = filtered_rows[0]
+		self.assertEquals(hsn_row['stock_qty'], 2.0)
+		self.assertEquals(hsn_row['total_amount'], 306.8)
diff --git a/erpnext/selling/doctype/customer/test_customer.py b/erpnext/selling/doctype/customer/test_customer.py
index 80f618ce928..7802a3fea44 100644
--- a/erpnext/selling/doctype/customer/test_customer.py
+++ b/erpnext/selling/doctype/customer/test_customer.py
@@ -2,8 +2,6 @@
 # License: GNU General Public License v3. See license.txt
 
 
-import unittest
-
 import frappe
 from frappe.test_runner import make_test_records
 from frappe.utils import flt
@@ -11,7 +9,7 @@ from frappe.utils import flt
 from erpnext.accounts.party import get_due_date
 from erpnext.exceptions import PartyDisabled, PartyFrozen
 from erpnext.selling.doctype.customer.customer import get_credit_limit, get_customer_outstanding
-from erpnext.tests.utils import create_test_contact_and_address
+from erpnext.tests.utils import ERPNextTestCase, create_test_contact_and_address
 
 test_ignore = ["Price List"]
 test_dependencies = ['Payment Term', 'Payment Terms Template']
@@ -20,7 +18,7 @@ test_records = frappe.get_test_records('Customer')
 from six import iteritems
 
 
-class TestCustomer(unittest.TestCase):
+class TestCustomer(ERPNextTestCase):
 	def setUp(self):
 		if not frappe.get_value('Item', '_Test Item'):
 			make_test_records('Item')
diff --git a/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py b/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py
index 874a3645929..b951044f332 100644
--- a/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py
+++ b/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py
@@ -6,6 +6,7 @@ import unittest
 import frappe
 
 from erpnext.controllers.queries import item_query
+from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ['Item', 'Customer', 'Supplier']
 
@@ -17,7 +18,7 @@ def create_party_specific_item(**args):
 	psi.based_on_value = args.get('based_on_value')
 	psi.insert()
 
-class TestPartySpecificItem(unittest.TestCase):
+class TestPartySpecificItem(ERPNextTestCase):
 	def setUp(self):
 		self.customer = frappe.get_last_doc("Customer")
 		self.supplier = frappe.get_last_doc("Supplier")
diff --git a/erpnext/selling/doctype/quotation/test_quotation.py b/erpnext/selling/doctype/quotation/test_quotation.py
index aa83726304f..4357201d23d 100644
--- a/erpnext/selling/doctype/quotation/test_quotation.py
+++ b/erpnext/selling/doctype/quotation/test_quotation.py
@@ -1,15 +1,15 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-import unittest
-
 import frappe
 from frappe.utils import add_days, add_months, flt, getdate, nowdate
 
+from erpnext.tests.utils import ERPNextTestCase
+
 test_dependencies = ["Product Bundle"]
 
 
-class TestQuotation(unittest.TestCase):
+class TestQuotation(ERPNextTestCase):
 	def test_make_quotation_without_terms(self):
 		quotation = make_quotation(do_not_save=1)
 		self.assertFalse(quotation.get('payment_schedule'))
diff --git a/erpnext/selling/doctype/sales_order/test_sales_order.py b/erpnext/selling/doctype/sales_order/test_sales_order.py
index 7e6040c38f0..9c0150ef77c 100644
--- a/erpnext/selling/doctype/sales_order/test_sales_order.py
+++ b/erpnext/selling/doctype/sales_order/test_sales_order.py
@@ -2,7 +2,6 @@
 # License: GNU General Public License v3. See license.txt
 
 import json
-import unittest
 
 import frappe
 import frappe.permissions
@@ -22,12 +21,14 @@ from erpnext.selling.doctype.sales_order.sales_order import (
 )
 from erpnext.stock.doctype.item.test_item import make_item
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
+from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestSalesOrder(unittest.TestCase):
+class TestSalesOrder(ERPNextTestCase):
 
 	@classmethod
 	def setUpClass(cls):
+		super().setUpClass()
 		cls.unlink_setting = int(frappe.db.get_value("Accounts Settings", "Accounts Settings",
 			"unlink_advance_payment_on_cancelation_of_order"))
 
@@ -36,6 +37,7 @@ class TestSalesOrder(unittest.TestCase):
 		# reset config to previous state
 		frappe.db.set_value("Accounts Settings", "Accounts Settings",
 			"unlink_advance_payment_on_cancelation_of_order", cls.unlink_setting)
+		super().tearDownClass()
 
 	def tearDown(self):
 		frappe.set_user("Administrator")
diff --git a/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py b/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py
index 9c30afc5b1a..d62915fc66d 100644
--- a/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py
+++ b/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py
@@ -2,8 +2,6 @@
 # For license information, please see license.txt
 
 
-import unittest
-
 from frappe.utils import add_months, nowdate
 
 from erpnext.selling.doctype.sales_order.sales_order import make_material_request
@@ -11,9 +9,10 @@ from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_orde
 from erpnext.selling.report.pending_so_items_for_purchase_request.pending_so_items_for_purchase_request import (
 	execute,
 )
+from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestPendingSOItemsForPurchaseRequest(unittest.TestCase):
+class TestPendingSOItemsForPurchaseRequest(ERPNextTestCase):
     def test_result_for_partial_material_request(self):
         so = make_sales_order()
         mr=make_material_request(so.name)
diff --git a/erpnext/selling/report/sales_analytics/test_analytics.py b/erpnext/selling/report/sales_analytics/test_analytics.py
index 8ffc5d6d0a7..f56cce2dfdc 100644
--- a/erpnext/selling/report/sales_analytics/test_analytics.py
+++ b/erpnext/selling/report/sales_analytics/test_analytics.py
@@ -2,15 +2,14 @@
 # For license information, please see license.txt
 
 
-import unittest
-
 import frappe
 
 from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
 from erpnext.selling.report.sales_analytics.sales_analytics import execute
+from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestAnalytics(unittest.TestCase):
+class TestAnalytics(ERPNextTestCase):
 	def test_sales_analytics(self):
 		frappe.db.sql("delete from `tabSales Order` where company='_Test Company 2'")
 
diff --git a/erpnext/stock/doctype/bin/bin.py b/erpnext/stock/doctype/bin/bin.py
index 17c8367a638..27e83caf99b 100644
--- a/erpnext/stock/doctype/bin/bin.py
+++ b/erpnext/stock/doctype/bin/bin.py
@@ -33,10 +33,10 @@ class Bin(Document):
 			in open work orders'''
 		self.reserved_qty_for_production = frappe.db.sql('''
 			SELECT
-				CASE WHEN ifnull(skip_transfer, 0) = 0 THEN
-					SUM(item.required_qty - item.transferred_qty)
+				SUM(CASE WHEN ifnull(skip_transfer, 0) = 0 THEN
+					item.required_qty - item.transferred_qty
 				ELSE
-					SUM(item.required_qty - item.consumed_qty)
+					item.required_qty - item.consumed_qty END)
 				END
 			FROM `tabWork Order` pro, `tabWork Order Item` item
 			WHERE
diff --git a/erpnext/stock/doctype/item/item.json b/erpnext/stock/doctype/item/item.json
index 39a94a0868b..d364d8a7d95 100644
--- a/erpnext/stock/doctype/item/item.json
+++ b/erpnext/stock/doctype/item/item.json
@@ -359,8 +359,7 @@
    "fieldname": "valuation_method",
    "fieldtype": "Select",
    "label": "Valuation Method",
-   "options": "\nFIFO\nMoving Average",
-   "set_only_once": 1
+   "options": "\nFIFO\nMoving Average"
   },
   {
    "depends_on": "is_stock_item",
@@ -956,7 +955,7 @@
  "image_field": "image",
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2021-12-03 08:32:03.869294",
+ "modified": "2021-12-14 04:13:16.857534",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Item",
diff --git a/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json b/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json
index 29c4193f9e9..4270839bfdb 100644
--- a/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json
+++ b/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json
@@ -1,451 +1,140 @@
 {
- "allow_copy": 0, 
- "allow_import": 0, 
- "allow_rename": 0, 
- "autoname": "hash", 
- "beta": 0, 
- "creation": "2013-04-08 13:10:16", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "Document", 
- "editable_grid": 1, 
- "engine": "InnoDB", 
+ "actions": [],
+ "autoname": "hash",
+ "creation": "2013-04-08 13:10:16",
+ "doctype": "DocType",
+ "document_type": "Document",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "item_code",
+  "column_break_2",
+  "item_name",
+  "batch_no",
+  "desc_section",
+  "description",
+  "quantity_section",
+  "qty",
+  "net_weight",
+  "column_break_10",
+  "stock_uom",
+  "weight_uom",
+  "page_break",
+  "dn_detail"
+ ],
  "fields": [
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "item_code", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 1, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Item Code", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Item", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "100px", 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fieldname": "item_code",
+   "fieldtype": "Link",
+   "in_global_search": 1,
+   "in_list_view": 1,
+   "label": "Item Code",
+   "options": "Item",
+   "print_width": "100px",
+   "reqd": 1,
    "width": "100px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "column_break_2", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "column_break_2",
+   "fieldtype": "Column Break"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "item_name", 
-   "fieldtype": "Data", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Item Name", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "item_code.item_name",
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "200px", 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fetch_from": "item_code.item_name",
+   "fieldname": "item_name",
+   "fieldtype": "Data",
+   "in_list_view": 1,
+   "label": "Item Name",
+   "print_width": "200px",
+   "read_only": 1,
    "width": "200px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "batch_no", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Batch No", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Batch", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "batch_no",
+   "fieldtype": "Link",
+   "label": "Batch No",
+   "options": "Batch"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 1, 
-   "columns": 0, 
-   "fieldname": "desc_section", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Description", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "collapsible": 1,
+   "fieldname": "desc_section",
+   "fieldtype": "Section Break",
+   "label": "Description"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "description", 
-   "fieldtype": "Text Editor", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Description", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "description",
+   "fieldtype": "Text Editor",
+   "label": "Description"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "quantity_section", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Quantity", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "quantity_section",
+   "fieldtype": "Section Break",
+   "label": "Quantity"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "qty", 
-   "fieldtype": "Float", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Quantity", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "100px", 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fieldname": "qty",
+   "fieldtype": "Float",
+   "in_list_view": 1,
+   "label": "Quantity",
+   "print_width": "100px",
+   "reqd": 1,
    "width": "100px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "net_weight", 
-   "fieldtype": "Float", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Net Weight", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "100px", 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fieldname": "net_weight",
+   "fieldtype": "Float",
+   "in_list_view": 1,
+   "label": "Net Weight",
+   "print_width": "100px",
    "width": "100px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "column_break_10", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "column_break_10",
+   "fieldtype": "Column Break"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "stock_uom", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "UOM", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "UOM", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "100px", 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fieldname": "stock_uom",
+   "fieldtype": "Link",
+   "label": "UOM",
+   "options": "UOM",
+   "print_width": "100px",
+   "read_only": 1,
    "width": "100px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "weight_uom", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Weight UOM", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "UOM", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "100px", 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fieldname": "weight_uom",
+   "fieldtype": "Link",
+   "label": "Weight UOM",
+   "options": "UOM",
+   "print_width": "100px",
    "width": "100px"
-  }, 
+  },
   {
-   "allow_on_submit": 1, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "page_break", 
-   "fieldtype": "Check", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Page Break", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "allow_on_submit": 1,
+   "default": "0",
+   "fieldname": "page_break",
+   "fieldtype": "Check",
+   "in_list_view": 1,
+   "label": "Page Break"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "dn_detail", 
-   "fieldtype": "Data", 
-   "hidden": 1, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "DN Detail", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
+   "fieldname": "dn_detail",
+   "fieldtype": "Data",
+   "hidden": 1,
+   "in_list_view": 1,
+   "label": "DN Detail"
   }
- ], 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "idx": 1, 
- "image_view": 0, 
- "in_create": 0, 
-
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 1, 
- "max_attachments": 0, 
- "modified": "2018-06-01 07:21:58.220980",
- "modified_by": "Administrator", 
- "module": "Stock", 
- "name": "Packing Slip Item", 
- "owner": "Administrator", 
- "permissions": [], 
- "quick_entry": 0, 
- "read_only": 0, 
- "read_only_onload": 0, 
- "show_name_in_global_search": 0, 
- "track_changes": 1, 
- "track_seen": 0
+ ],
+ "idx": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2021-12-14 01:22:00.715935",
+ "modified_by": "Administrator",
+ "module": "Stock",
+ "name": "Packing Slip Item",
+ "naming_rule": "Random",
+ "owner": "Administrator",
+ "permissions": [],
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/stock/report/itemwise_recommended_reorder_level/itemwise_recommended_reorder_level.py b/erpnext/stock/report/itemwise_recommended_reorder_level/itemwise_recommended_reorder_level.py
index 314f1608fa1..3f490653e14 100644
--- a/erpnext/stock/report/itemwise_recommended_reorder_level/itemwise_recommended_reorder_level.py
+++ b/erpnext/stock/report/itemwise_recommended_reorder_level/itemwise_recommended_reorder_level.py
@@ -48,6 +48,7 @@ def get_item_info(filters):
 	conditions = [get_item_group_condition(filters.get("item_group"))]
 	if filters.get("brand"):
 		conditions.append("item.brand=%(brand)s")
+	conditions.append("is_stock_item = 1")
 
 	return frappe.db.sql("""select name, item_name, description, brand, item_group,
 		safety_stock, lead_time_days from `tabItem` item where {}"""
diff --git a/erpnext/stock/report/stock_balance/stock_balance.py b/erpnext/stock/report/stock_balance/stock_balance.py
index 963c4489e44..7d65e1ab03c 100644
--- a/erpnext/stock/report/stock_balance/stock_balance.py
+++ b/erpnext/stock/report/stock_balance/stock_balance.py
@@ -168,7 +168,7 @@ def get_stock_ledger_entries(filters, items):
 			sle.company, sle.voucher_type, sle.qty_after_transaction, sle.stock_value_difference,
 			sle.item_code as name, sle.voucher_no, sle.stock_value, sle.batch_no
 		from
-			`tabStock Ledger Entry` sle force index (posting_sort_index)
+			`tabStock Ledger Entry` sle
 		where sle.docstatus < 2 %s %s
 		and is_cancelled = 0
 		order by sle.posting_date, sle.posting_time, sle.creation, sle.actual_qty""" % #nosec
diff --git a/erpnext/stock/report/stock_ledger_invariant_check/__init__.py b/erpnext/stock/report/stock_ledger_invariant_check/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.js b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.js
new file mode 100644
index 00000000000..c484516a163
--- /dev/null
+++ b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.js
@@ -0,0 +1,43 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+const DIFFERNCE_FIELD_NAMES = [
+	"difference_in_qty",
+	"fifo_qty_diff",
+	"fifo_value_diff",
+	"fifo_valuation_diff",
+	"valuation_diff",
+	"fifo_difference_diff"
+];
+
+frappe.query_reports["Stock Ledger Invariant Check"] = {
+	"filters": [
+		{
+			"fieldname": "item_code",
+			"fieldtype": "Link",
+			"label": "Item",
+			"mandatory": 1,
+			"options": "Item",
+			get_query: function() {
+				return {
+					filters: {is_stock_item: 1, has_serial_no: 0}
+				}
+			}
+		},
+		{
+			"fieldname": "warehouse",
+			"fieldtype": "Link",
+			"label": "Warehouse",
+			"mandatory": 1,
+			"options": "Warehouse",
+		}
+	],
+	formatter (value, row, column, data, default_formatter) {
+		value = default_formatter(value, row, column, data);
+		if (DIFFERNCE_FIELD_NAMES.includes(column.fieldname) && Math.abs(data[column.fieldname]) > 0.001) {
+			value = "<span style='color:red'>" + value + "</span>";
+		}
+		return value;
+	},
+};
diff --git a/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.json b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.json
new file mode 100644
index 00000000000..d28fe0f62d1
--- /dev/null
+++ b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.json
@@ -0,0 +1,26 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2021-12-16 06:31:23.290916",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "modified": "2021-12-16 09:55:58.341764",
+ "modified_by": "Administrator",
+ "module": "Stock",
+ "name": "Stock Ledger Invariant Check",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Stock Ledger Entry",
+ "report_name": "Stock Ledger Invariant Check",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "System Manager"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py
new file mode 100644
index 00000000000..ca47a1ec5b8
--- /dev/null
+++ b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py
@@ -0,0 +1,236 @@
+# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and contributors
+# License: GNU GPL v3. See LICENSE
+
+import json
+
+import frappe
+
+SLE_FIELDS = (
+	"name",
+	"posting_date",
+	"posting_time",
+	"creation",
+	"voucher_type",
+	"voucher_no",
+	"actual_qty",
+	"qty_after_transaction",
+	"incoming_rate",
+	"outgoing_rate",
+	"stock_queue",
+	"batch_no",
+	"stock_value",
+	"stock_value_difference",
+	"valuation_rate",
+)
+
+
+def execute(filters=None):
+	columns = get_columns()
+	data = get_data(filters)
+	return columns, data
+
+
+def get_data(filters):
+	sles = get_stock_ledger_entries(filters)
+	return add_invariant_check_fields(sles)
+
+
+def get_stock_ledger_entries(filters):
+	return frappe.get_all(
+		"Stock Ledger Entry",
+		fields=SLE_FIELDS,
+		filters={
+			"item_code": filters.item_code,
+			"warehouse": filters.warehouse,
+			"is_cancelled": 0
+		},
+		order_by="timestamp(posting_date, posting_time), creation",
+	)
+
+
+def add_invariant_check_fields(sles):
+	balance_qty = 0.0
+	for idx, sle in enumerate(sles):
+		queue = json.loads(sle.stock_queue)
+
+		fifo_qty = 0.0
+		fifo_value = 0.0
+		for qty, rate in queue:
+			fifo_qty += qty
+			fifo_value += qty * rate
+
+		balance_qty += sle.actual_qty
+		if sle.voucher_type == "Stock Reconciliation" and not sle.batch_no:
+			balance_qty = sle.qty_after_transaction
+
+		sle.fifo_queue_qty = fifo_qty
+		sle.fifo_stock_value = fifo_value
+		sle.fifo_valuation_rate = fifo_value / fifo_qty if fifo_qty else None
+		sle.balance_value_by_qty = (
+			sle.stock_value / sle.qty_after_transaction if sle.qty_after_transaction else None
+		)
+		sle.expected_qty_after_transaction = balance_qty
+
+		# set difference fields
+		sle.difference_in_qty = sle.qty_after_transaction - sle.expected_qty_after_transaction
+		sle.fifo_qty_diff = sle.qty_after_transaction - fifo_qty
+		sle.fifo_value_diff = sle.stock_value - fifo_value
+		sle.fifo_valuation_diff = (
+			sle.valuation_rate - sle.fifo_valuation_rate if sle.fifo_valuation_rate else None
+		)
+		sle.valuation_diff = (
+			sle.valuation_rate - sle.balance_value_by_qty if sle.balance_value_by_qty else None
+		)
+
+		if idx > 0:
+			sle.fifo_stock_diff = sle.fifo_stock_value - sles[idx - 1].fifo_stock_value
+			sle.fifo_difference_diff = sle.fifo_stock_diff - sle.stock_value_difference
+
+	return sles
+
+
+def get_columns():
+	return [
+		{
+			"fieldname": "name",
+			"fieldtype": "Link",
+			"label": "Stock Ledger Entry",
+			"options": "Stock Ledger Entry",
+		},
+		{
+			"fieldname": "posting_date",
+			"fieldtype": "Date",
+			"label": "Posting Date",
+		},
+		{
+			"fieldname": "posting_time",
+			"fieldtype": "Time",
+			"label": "Posting Time",
+		},
+		{
+			"fieldname": "creation",
+			"fieldtype": "Datetime",
+			"label": "Creation",
+		},
+		{
+			"fieldname": "voucher_type",
+			"fieldtype": "Link",
+			"label": "Voucher Type",
+			"options": "DocType",
+		},
+		{
+			"fieldname": "voucher_no",
+			"fieldtype": "Dynamic Link",
+			"label": "Voucher No",
+			"options": "voucher_type",
+		},
+		{
+			"fieldname": "batch_no",
+			"fieldtype": "Link",
+			"label": "Batch",
+			"options": "Batch",
+		},
+		{
+			"fieldname": "actual_qty",
+			"fieldtype": "Float",
+			"label": "Qty Change",
+		},
+		{
+			"fieldname": "incoming_rate",
+			"fieldtype": "Float",
+			"label": "Incoming Rate",
+		},
+		{
+			"fieldname": "outgoing_rate",
+			"fieldtype": "Float",
+			"label": "Outgoing Rate",
+		},
+		{
+			"fieldname": "qty_after_transaction",
+			"fieldtype": "Float",
+			"label": "(A) Qty After Transaction",
+		},
+		{
+			"fieldname": "expected_qty_after_transaction",
+			"fieldtype": "Float",
+			"label": "(B) Expected Qty After Transaction",
+		},
+		{
+			"fieldname": "difference_in_qty",
+			"fieldtype": "Float",
+			"label": "A - B",
+		},
+		{
+			"fieldname": "stock_queue",
+			"fieldtype": "Data",
+			"label": "FIFO Queue",
+		},
+
+		{
+			"fieldname": "fifo_queue_qty",
+			"fieldtype": "Float",
+			"label": "(C) Total qty in queue",
+		},
+		{
+			"fieldname": "fifo_qty_diff",
+			"fieldtype": "Float",
+			"label": "A - C",
+		},
+		{
+			"fieldname": "stock_value",
+			"fieldtype": "Float",
+			"label": "(D) Balance Stock Value",
+		},
+		{
+			"fieldname": "fifo_stock_value",
+			"fieldtype": "Float",
+			"label": "(E) Balance Stock Value in Queue",
+		},
+		{
+			"fieldname": "fifo_value_diff",
+			"fieldtype": "Float",
+			"label": "D - E",
+		},
+
+		{
+			"fieldname": "stock_value_difference",
+			"fieldtype": "Float",
+			"label": "(F) Stock Value Difference",
+		},
+		{
+			"fieldname": "fifo_stock_diff",
+			"fieldtype": "Float",
+			"label": "(G) Stock Value difference (FIFO queue)",
+		},
+		{
+			"fieldname": "fifo_difference_diff",
+			"fieldtype": "Float",
+			"label": "F - G",
+		},
+		{
+			"fieldname": "valuation_rate",
+			"fieldtype": "Float",
+			"label": "(H) Valuation Rate",
+		},
+		{
+			"fieldname": "fifo_valuation_rate",
+			"fieldtype": "Float",
+			"label": "(I) Valuation Rate as per FIFO",
+		},
+
+		{
+			"fieldname": "fifo_valuation_diff",
+			"fieldtype": "Float",
+			"label": "H - I",
+		},
+		{
+			"fieldname": "balance_value_by_qty",
+			"fieldtype": "Float",
+			"label": "(J) Valuation = Value (D) ÷ Qty (A)",
+		},
+		{
+			"fieldname": "valuation_diff",
+			"fieldtype": "Float",
+			"label": "H - J",
+		},
+	]
diff --git a/erpnext/stock/report/test_reports.py b/erpnext/stock/report/test_reports.py
index d7fb5b2bf3f..1dcf863a9d0 100644
--- a/erpnext/stock/report/test_reports.py
+++ b/erpnext/stock/report/test_reports.py
@@ -41,6 +41,12 @@ REPORT_FILTER_TEST_CASES: List[Tuple[ReportName, ReportFilters]] = [
 	("Total Stock Summary", {"group_by": "warehouse",}),
 	("Batch Item Expiry Status", {}),
 	("Stock Ageing", {"range1": 30, "range2": 60, "range3": 90, "_optional": True}),
+	("Stock Ledger Invariant Check",
+		{
+			"warehouse": "_Test Warehouse - _TC",
+			"item": "_Test Item"
+		}
+	),
 ]
 
 OPTIONAL_FILTERS = {
diff --git a/erpnext/tests/utils.py b/erpnext/tests/utils.py
index 91df5480e35..fbf25948a79 100644
--- a/erpnext/tests/utils.py
+++ b/erpnext/tests/utils.py
@@ -2,6 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 import copy
+import signal
 import unittest
 from contextlib import contextmanager
 from typing import Any, Dict, NewType, Optional
@@ -135,3 +136,23 @@ def execute_script_report(
 			report_execute_fn(filter_with_optional_param)
 
 	return report_data
+
+
+def timeout(seconds=30, error_message="Test timed out."):
+	""" Timeout decorator to ensure a test doesn't run for too long.
+
+		adapted from https://stackoverflow.com/a/2282656"""
+	def decorator(func):
+		def _handle_timeout(signum, frame):
+			raise Exception(error_message)
+
+		def wrapper(*args, **kwargs):
+			signal.signal(signal.SIGALRM, _handle_timeout)
+			signal.alarm(seconds)
+			try:
+				result = func(*args, **kwargs)
+			finally:
+				signal.alarm(0)
+			return result
+		return wrapper
+	return decorator