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brotherton-erpnext/erpnext/stock/report/stock_ageing/test_stock_ageing.py
marination e6952cb7f9 refactor: Convert to QB, added test file, removed white space 
- Converted mysql raw query to qb
- Test file for Report Requested Items to Order and Receive
- Removed white space and edited copyright year
2022-03-01 17:15:04 +05:30

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# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
# See license.txt
import frappe
from frappe.tests.utils import FrappeTestCase
from erpnext.stock.report.stock_ageing.stock_ageing import FIFOSlots, format_report_data
class TestStockAgeing(FrappeTestCase):
def setUp(self) -> None:
self.filters = frappe._dict(
company="_Test Company",
to_date="2021-12-10",
range1=30, range2=60, range3=90
)
def test_normal_inward_outward_queue(self):
"Reference: Case 1 in stock_ageing_fifo_logic.md (same wh)"
sle = [
frappe._dict(
name="Flask Item",
actual_qty=30, qty_after_transaction=30,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=20, qty_after_transaction=50,
warehouse="WH 1",
posting_date="2021-12-02", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-10), qty_after_transaction=40,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="003",
has_serial_no=False, serial_no=None
)
]
slots = FIFOSlots(self.filters, sle).generate()
self.assertTrue(slots["Flask Item"]["fifo_queue"])
result = slots["Flask Item"]
queue = result["fifo_queue"]
self.assertEqual(result["qty_after_transaction"], result["total_qty"])
self.assertEqual(queue[0][0], 20.0)
def test_insufficient_balance(self):
"Reference: Case 3 in stock_ageing_fifo_logic.md (same wh)"
sle = [
frappe._dict(
name="Flask Item",
actual_qty=(-30), qty_after_transaction=(-30),
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=20, qty_after_transaction=(-10),
warehouse="WH 1",
posting_date="2021-12-02", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=20, qty_after_transaction=10,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="003",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=10, qty_after_transaction=20,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="004",
has_serial_no=False, serial_no=None
)
]
slots = FIFOSlots(self.filters, sle).generate()
result = slots["Flask Item"]
queue = result["fifo_queue"]
self.assertEqual(result["qty_after_transaction"], result["total_qty"])
self.assertEqual(queue[0][0], 10.0)
self.assertEqual(queue[1][0], 10.0)
def test_basic_stock_reconciliation(self):
"""
Ledger (same wh): [+30, reco reset >> 50, -10]
Bal: 40
"""
sle = [
frappe._dict(
name="Flask Item",
actual_qty=30, qty_after_transaction=30,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=0, qty_after_transaction=50,
warehouse="WH 1",
posting_date="2021-12-02", voucher_type="Stock Reconciliation",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-10), qty_after_transaction=40,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="003",
has_serial_no=False, serial_no=None
)
]
slots = FIFOSlots(self.filters, sle).generate()
result = slots["Flask Item"]
queue = result["fifo_queue"]
self.assertEqual(result["qty_after_transaction"], result["total_qty"])
self.assertEqual(result["total_qty"], 40.0)
self.assertEqual(queue[0][0], 20.0)
self.assertEqual(queue[1][0], 20.0)
def test_sequential_stock_reco_same_warehouse(self):
"""
Test back to back stock recos (same warehouse).
Ledger: [reco opening >> +1000, reco reset >> 400, -10]
Bal: 390
"""
sle = [
frappe._dict(
name="Flask Item",
actual_qty=0, qty_after_transaction=1000,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Reconciliation",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=0, qty_after_transaction=400,
warehouse="WH 1",
posting_date="2021-12-02", voucher_type="Stock Reconciliation",
voucher_no="003",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-10), qty_after_transaction=390,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="003",
has_serial_no=False, serial_no=None
)
]
slots = FIFOSlots(self.filters, sle).generate()
result = slots["Flask Item"]
queue = result["fifo_queue"]
self.assertEqual(result["qty_after_transaction"], result["total_qty"])
self.assertEqual(result["total_qty"], 390.0)
self.assertEqual(queue[0][0], 390.0)
def test_sequential_stock_reco_different_warehouse(self):
"""
Ledger:
WH | Voucher | Qty
-------------------
WH1 | Reco | 1000
WH2 | Reco | 400
WH1 | SE | -10
Bal: WH1 bal + WH2 bal = 990 + 400 = 1390
"""
sle = [
frappe._dict(
name="Flask Item",
actual_qty=0, qty_after_transaction=1000,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Reconciliation",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=0, qty_after_transaction=400,
warehouse="WH 2",
posting_date="2021-12-02", voucher_type="Stock Reconciliation",
voucher_no="003",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-10), qty_after_transaction=990,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="004",
has_serial_no=False, serial_no=None
)
]
item_wise_slots, item_wh_wise_slots = generate_item_and_item_wh_wise_slots(
filters=self.filters,sle=sle
)
# test without 'show_warehouse_wise_stock'
item_result = item_wise_slots["Flask Item"]
queue = item_result["fifo_queue"]
self.assertEqual(item_result["qty_after_transaction"], item_result["total_qty"])
self.assertEqual(item_result["total_qty"], 1390.0)
self.assertEqual(queue[0][0], 990.0)
self.assertEqual(queue[1][0], 400.0)
# test with 'show_warehouse_wise_stock' checked
item_wh_balances = [item_wh_wise_slots.get(i).get("qty_after_transaction") for i in item_wh_wise_slots]
self.assertEqual(sum(item_wh_balances), item_result["qty_after_transaction"])
def test_repack_entry_same_item_split_rows(self):
"""
Split consumption rows and have single repacked item row (same warehouse).
Ledger:
Item | Qty | Voucher
------------------------
Item 1 | 500 | 001
Item 1 | -50 | 002 (repack)
Item 1 | -50 | 002 (repack)
Item 1 | 100 | 002 (repack)
Case most likely for batch items. Test time bucket computation.
"""
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=500, qty_after_transaction=500,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-50), qty_after_transaction=450,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-50), qty_after_transaction=400,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=100, qty_after_transaction=500,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
]
slots = FIFOSlots(self.filters, sle).generate()
item_result = slots["Flask Item"]
queue = item_result["fifo_queue"]
self.assertEqual(item_result["total_qty"], 500.0)
self.assertEqual(queue[0][0], 400.0)
self.assertEqual(queue[1][0], 50.0)
self.assertEqual(queue[2][0], 50.0)
# check if time buckets add up to balance qty
self.assertEqual(sum([i[0] for i in queue]), 500.0)
def test_repack_entry_same_item_overconsume(self):
"""
Over consume item and have less repacked item qty (same warehouse).
Ledger:
Item | Qty | Voucher
------------------------
Item 1 | 500 | 001
Item 1 | -100 | 002 (repack)
Item 1 | 50 | 002 (repack)
Case most likely for batch items. Test time bucket computation.
"""
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=500, qty_after_transaction=500,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-100), qty_after_transaction=400,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=50, qty_after_transaction=450,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
]
slots = FIFOSlots(self.filters, sle).generate()
item_result = slots["Flask Item"]
queue = item_result["fifo_queue"]
self.assertEqual(item_result["total_qty"], 450.0)
self.assertEqual(queue[0][0], 400.0)
self.assertEqual(queue[1][0], 50.0)
# check if time buckets add up to balance qty
self.assertEqual(sum([i[0] for i in queue]), 450.0)
def test_repack_entry_same_item_overconsume_with_split_rows(self):
"""
Over consume item and have less repacked item qty (same warehouse).
Ledger:
Item | Qty | Voucher
------------------------
Item 1 | 20 | 001
Item 1 | -50 | 002 (repack)
Item 1 | -50 | 002 (repack)
Item 1 | 50 | 002 (repack)
"""
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=20, qty_after_transaction=20,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-50), qty_after_transaction=(-30),
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-50), qty_after_transaction=(-80),
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=50, qty_after_transaction=(-30),
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
]
fifo_slots = FIFOSlots(self.filters, sle)
slots = fifo_slots.generate()
item_result = slots["Flask Item"]
queue = item_result["fifo_queue"]
self.assertEqual(item_result["total_qty"], -30.0)
self.assertEqual(queue[0][0], -30.0)
# check transfer bucket
transfer_bucket = fifo_slots.transferred_item_details[('002', 'Flask Item', 'WH 1')]
self.assertEqual(transfer_bucket[0][0], 50)
def test_repack_entry_same_item_overproduce(self):
"""
Under consume item and have more repacked item qty (same warehouse).
Ledger:
Item | Qty | Voucher
------------------------
Item 1 | 500 | 001
Item 1 | -50 | 002 (repack)
Item 1 | 100 | 002 (repack)
Case most likely for batch items. Test time bucket computation.
"""
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=500, qty_after_transaction=500,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-50), qty_after_transaction=450,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=100, qty_after_transaction=550,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
]
slots = FIFOSlots(self.filters, sle).generate()
item_result = slots["Flask Item"]
queue = item_result["fifo_queue"]
self.assertEqual(item_result["total_qty"], 550.0)
self.assertEqual(queue[0][0], 450.0)
self.assertEqual(queue[1][0], 50.0)
self.assertEqual(queue[2][0], 50.0)
# check if time buckets add up to balance qty
self.assertEqual(sum([i[0] for i in queue]), 550.0)
def test_repack_entry_same_item_overproduce_with_split_rows(self):
"""
Over consume item and have less repacked item qty (same warehouse).
Ledger:
Item | Qty | Voucher
------------------------
Item 1 | 20 | 001
Item 1 | -50 | 002 (repack)
Item 1 | 50 | 002 (repack)
Item 1 | 50 | 002 (repack)
"""
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=20, qty_after_transaction=20,
warehouse="WH 1",
posting_date="2021-12-03", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=(-50), qty_after_transaction=(-30),
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=50, qty_after_transaction=20,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
frappe._dict(
name="Flask Item",
actual_qty=50, qty_after_transaction=70,
warehouse="WH 1",
posting_date="2021-12-04", voucher_type="Stock Entry",
voucher_no="002",
has_serial_no=False, serial_no=None
),
]
fifo_slots = FIFOSlots(self.filters, sle)
slots = fifo_slots.generate()
item_result = slots["Flask Item"]
queue = item_result["fifo_queue"]
self.assertEqual(item_result["total_qty"], 70.0)
self.assertEqual(queue[0][0], 20.0)
self.assertEqual(queue[1][0], 50.0)
# check transfer bucket
transfer_bucket = fifo_slots.transferred_item_details[('002', 'Flask Item', 'WH 1')]
self.assertFalse(transfer_bucket)
def test_negative_stock_same_voucher(self):
"""
Test negative stock scenario in transfer bucket via repack entry (same wh).
Ledger:
Item | Qty | Voucher
------------------------
Item 1 | -50 | 001
Item 1 | -50 | 001
Item 1 | 30 | 001
Item 1 | 80 | 001
"""
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=(-50), qty_after_transaction=(-50),
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict( # stock up item
name="Flask Item",
actual_qty=(-50), qty_after_transaction=(-100),
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict( # stock up item
name="Flask Item",
actual_qty=30, qty_after_transaction=(-70),
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
]
fifo_slots = FIFOSlots(self.filters, sle)
slots = fifo_slots.generate()
item_result = slots["Flask Item"]
# check transfer bucket
transfer_bucket = fifo_slots.transferred_item_details[('001', 'Flask Item', 'WH 1')]
self.assertEqual(transfer_bucket[0][0], 20)
self.assertEqual(transfer_bucket[1][0], 50)
self.assertEqual(item_result["fifo_queue"][0][0], -70.0)
sle.append(frappe._dict(
name="Flask Item",
actual_qty=80, qty_after_transaction=10,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
))
fifo_slots = FIFOSlots(self.filters, sle)
slots = fifo_slots.generate()
item_result = slots["Flask Item"]
transfer_bucket = fifo_slots.transferred_item_details[('001', 'Flask Item', 'WH 1')]
self.assertFalse(transfer_bucket)
self.assertEqual(item_result["fifo_queue"][0][0], 10.0)
def test_precision(self):
"Test if final balance qty is rounded off correctly."
sle = [
frappe._dict( # stock up item
name="Flask Item",
actual_qty=0.3, qty_after_transaction=0.3,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
frappe._dict( # stock up item
name="Flask Item",
actual_qty=0.6, qty_after_transaction=0.9,
warehouse="WH 1",
posting_date="2021-12-01", voucher_type="Stock Entry",
voucher_no="001",
has_serial_no=False, serial_no=None
),
]
slots = FIFOSlots(self.filters, sle).generate()
report_data = format_report_data(self.filters, slots, self.filters["to_date"])
row = report_data[0] # first row in report
bal_qty = row[5]
range_qty_sum = sum([i for i in row[7:11]]) # get sum of range balance
# check if value of Available Qty column matches with range bucket post format
self.assertEqual(bal_qty, 0.9)
self.assertEqual(bal_qty, range_qty_sum)
def generate_item_and_item_wh_wise_slots(filters, sle):
"Return results with and without 'show_warehouse_wise_stock'"
item_wise_slots = FIFOSlots(filters, sle).generate()
filters.show_warehouse_wise_stock = True
item_wh_wise_slots = FIFOSlots(filters, sle).generate()
filters.show_warehouse_wise_stock = False
return item_wise_slots, item_wh_wise_slots
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