test: FIFO transfer for multi-batch transaction
(cherry picked from commit b3b7cdfb49)
# Conflicts:
# erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
This commit is contained in:
Ankush Menat
committed by
Ankush Menat
Ankush Menat
parent
5be64c2b7f
commit
a84e7c633e
@@ -349,6 +349,359 @@ class TestStockLedgerEntry(ERPNextTestCase):
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frappe.set_user("Administrator")
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user.remove_roles("Stock Manager")
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<<<<<<< HEAD
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=======
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def test_batchwise_item_valuation_moving_average(self):
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item, warehouses, batches = setup_item_valuation_test(valuation_method="Moving Average")
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# Incoming Entries for Stock Value check
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pr_entry_list = [
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(item, warehouses[0], batches[0], 1, 100),
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(item, warehouses[0], batches[1], 1, 50),
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(item, warehouses[0], batches[0], 1, 150),
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(item, warehouses[0], batches[1], 1, 100),
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]
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prs = create_purchase_receipt_entries_for_batchwise_item_valuation_test(pr_entry_list)
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sle_details = fetch_sle_details_for_doc_list(prs, ['stock_value'])
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sv_list = [d['stock_value'] for d in sle_details]
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expected_sv = [100, 150, 300, 400]
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self.assertEqual(expected_sv, sv_list, "Incorrect 'Stock Value' values")
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# Outgoing Entries for Stock Value Difference check
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dn_entry_list = [
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(item, warehouses[0], batches[1], 1, 200),
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(item, warehouses[0], batches[0], 1, 200),
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(item, warehouses[0], batches[1], 1, 200),
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(item, warehouses[0], batches[0], 1, 200)
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]
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dns = create_delivery_note_entries_for_batchwise_item_valuation_test(dn_entry_list)
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sle_details = fetch_sle_details_for_doc_list(dns, ['stock_value_difference'])
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svd_list = [-1 * d['stock_value_difference'] for d in sle_details]
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expected_incoming_rates = expected_abs_svd = [75, 125, 75, 125]
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self.assertEqual(expected_abs_svd, svd_list, "Incorrect 'Stock Value Difference' values")
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for dn, incoming_rate in zip(dns, expected_incoming_rates):
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self.assertEqual(
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dn.items[0].incoming_rate, incoming_rate,
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"Incorrect 'Incoming Rate' values fetched for DN items"
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)
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def assertSLEs(self, doc, expected_sles, sle_filters=None):
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""" Compare sorted SLEs, useful for vouchers that create multiple SLEs for same line"""
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filters = {"voucher_no": doc.name, "voucher_type": doc.doctype, "is_cancelled":0}
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if sle_filters:
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filters.update(sle_filters)
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sles = frappe.get_all("Stock Ledger Entry", fields=["*"], filters=filters,
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order_by="timestamp(posting_date, posting_time), creation")
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for exp_sle, act_sle in zip(expected_sles, sles):
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for k, v in exp_sle.items():
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act_value = act_sle[k]
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if k == "stock_queue":
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act_value = json.loads(act_value)
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if act_value and act_value[0][0] == 0:
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# ignore empty fifo bins
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continue
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self.assertEqual(v, act_value, msg=f"{k} doesn't match \n{exp_sle}\n{act_sle}")
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def test_batchwise_item_valuation_stock_reco(self):
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item, warehouses, batches = setup_item_valuation_test()
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state = {
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"stock_value" : 0.0,
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"qty": 0.0
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}
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def update_invariants(exp_sles):
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for sle in exp_sles:
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state["stock_value"] += sle["stock_value_difference"]
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state["qty"] += sle["actual_qty"]
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sle["stock_value"] = state["stock_value"]
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sle["qty_after_transaction"] = state["qty"]
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osr1 = create_stock_reconciliation(warehouse=warehouses[0], item_code=item, qty=10, rate=100, batch_no=batches[1])
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expected_sles = [
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{"actual_qty": 10, "stock_value_difference": 1000},
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]
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update_invariants(expected_sles)
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self.assertSLEs(osr1, expected_sles)
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osr2 = create_stock_reconciliation(warehouse=warehouses[0], item_code=item, qty=13, rate=200, batch_no=batches[0])
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expected_sles = [
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{"actual_qty": 13, "stock_value_difference": 200*13},
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]
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update_invariants(expected_sles)
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self.assertSLEs(osr2, expected_sles)
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sr1 = create_stock_reconciliation(warehouse=warehouses[0], item_code=item, qty=5, rate=50, batch_no=batches[1])
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expected_sles = [
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{"actual_qty": -10, "stock_value_difference": -10 * 100},
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{"actual_qty": 5, "stock_value_difference": 250}
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]
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update_invariants(expected_sles)
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self.assertSLEs(sr1, expected_sles)
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sr2 = create_stock_reconciliation(warehouse=warehouses[0], item_code=item, qty=20, rate=75, batch_no=batches[0])
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expected_sles = [
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{"actual_qty": -13, "stock_value_difference": -13 * 200},
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{"actual_qty": 20, "stock_value_difference": 20 * 75}
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]
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update_invariants(expected_sles)
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self.assertSLEs(sr2, expected_sles)
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def test_batch_wise_valuation_across_warehouse(self):
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item_code, warehouses, batches = setup_item_valuation_test()
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source = warehouses[0]
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target = warehouses[1]
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unrelated_batch = make_stock_entry(item_code=item_code, target=source, batch_no=batches[1],
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qty=5, rate=10)
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self.assertSLEs(unrelated_batch, [
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{"actual_qty": 5, "stock_value_difference": 10 * 5},
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])
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reciept = make_stock_entry(item_code=item_code, target=source, batch_no=batches[0], qty=5, rate=10)
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self.assertSLEs(reciept, [
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{"actual_qty": 5, "stock_value_difference": 10 * 5},
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])
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transfer = make_stock_entry(item_code=item_code, source=source, target=target, batch_no=batches[0], qty=5)
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self.assertSLEs(transfer, [
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{"actual_qty": -5, "stock_value_difference": -10 * 5, "warehouse": source},
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{"actual_qty": 5, "stock_value_difference": 10 * 5, "warehouse": target}
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])
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backdated_receipt = make_stock_entry(item_code=item_code, target=source, batch_no=batches[0],
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qty=5, rate=20, posting_date=add_days(today(), -1))
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self.assertSLEs(backdated_receipt, [
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{"actual_qty": 5, "stock_value_difference": 20 * 5},
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])
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# check reposted average rate in *future* transfer
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self.assertSLEs(transfer, [
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{"actual_qty": -5, "stock_value_difference": -15 * 5, "warehouse": source, "stock_value": 15 * 5 + 10 * 5},
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{"actual_qty": 5, "stock_value_difference": 15 * 5, "warehouse": target, "stock_value": 15 * 5}
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])
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transfer_unrelated = make_stock_entry(item_code=item_code, source=source,
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target=target, batch_no=batches[1], qty=5)
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self.assertSLEs(transfer_unrelated, [
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{"actual_qty": -5, "stock_value_difference": -10 * 5, "warehouse": source, "stock_value": 15 * 5},
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{"actual_qty": 5, "stock_value_difference": 10 * 5, "warehouse": target, "stock_value": 15 * 5 + 10 * 5}
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])
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def test_intermediate_average_batch_wise_valuation(self):
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""" A batch has moving average up until posting time,
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check if same is respected when backdated entry is inserted in middle"""
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item_code, warehouses, batches = setup_item_valuation_test()
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warehouse = warehouses[0]
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batch = batches[0]
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yesterday = make_stock_entry(item_code=item_code, target=warehouse, batch_no=batch,
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qty=1, rate=10, posting_date=add_days(today(), -1))
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self.assertSLEs(yesterday, [
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{"actual_qty": 1, "stock_value_difference": 10},
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])
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tomorrow = make_stock_entry(item_code=item_code, target=warehouse, batch_no=batches[0],
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qty=1, rate=30, posting_date=add_days(today(), 1))
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self.assertSLEs(tomorrow, [
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{"actual_qty": 1, "stock_value_difference": 30},
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])
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create_today = make_stock_entry(item_code=item_code, target=warehouse, batch_no=batches[0],
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qty=1, rate=20)
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self.assertSLEs(create_today, [
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{"actual_qty": 1, "stock_value_difference": 20},
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])
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consume_today = make_stock_entry(item_code=item_code, source=warehouse, batch_no=batches[0],
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qty=1)
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self.assertSLEs(consume_today, [
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{"actual_qty": -1, "stock_value_difference": -15},
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])
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consume_tomorrow = make_stock_entry(item_code=item_code, source=warehouse, batch_no=batches[0],
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qty=2, posting_date=add_days(today(), 2))
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self.assertSLEs(consume_tomorrow, [
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{"stock_value_difference": -(30 + 15), "stock_value": 0, "qty_after_transaction": 0},
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])
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def test_legacy_item_valuation_stock_entry(self):
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columns = [
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'stock_value_difference',
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'stock_value',
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'actual_qty',
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'qty_after_transaction',
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'stock_queue',
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]
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item, warehouses, batches = setup_item_valuation_test(use_batchwise_valuation=0)
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def check_sle_details_against_expected(sle_details, expected_sle_details, detail, columns):
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for i, (sle_vals, ex_sle_vals) in enumerate(zip(sle_details, expected_sle_details)):
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for col, sle_val, ex_sle_val in zip(columns, sle_vals, ex_sle_vals):
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if col == 'stock_queue':
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sle_val = get_stock_value_from_q(sle_val)
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ex_sle_val = get_stock_value_from_q(ex_sle_val)
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self.assertEqual(
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sle_val, ex_sle_val,
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f"Incorrect {col} value on transaction #: {i} in {detail}"
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)
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# List used to defer assertions to prevent commits cause of error skipped rollback
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details_list = []
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# Test Material Receipt Entries
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se_entry_list_mr = [
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(item, None, warehouses[0], batches[0], 1, 50, "2021-01-21"),
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(item, None, warehouses[0], batches[1], 1, 100, "2021-01-23"),
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]
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ses = create_stock_entry_entries_for_batchwise_item_valuation_test(
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se_entry_list_mr, "Material Receipt"
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)
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sle_details = fetch_sle_details_for_doc_list(ses, columns=columns, as_dict=0)
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expected_sle_details = [
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(50.0, 50.0, 1.0, 1.0, '[[1.0, 50.0]]'),
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(100.0, 150.0, 1.0, 2.0, '[[1.0, 50.0], [1.0, 100.0]]'),
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]
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details_list.append((
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sle_details, expected_sle_details,
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"Material Receipt Entries", columns
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))
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# Test Material Issue Entries
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se_entry_list_mi = [
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(item, warehouses[0], None, batches[1], 1, None, "2021-01-29"),
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]
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ses = create_stock_entry_entries_for_batchwise_item_valuation_test(
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se_entry_list_mi, "Material Issue"
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)
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sle_details = fetch_sle_details_for_doc_list(ses, columns=columns, as_dict=0)
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expected_sle_details = [
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(-50.0, 100.0, -1.0, 1.0, '[[1, 100.0]]')
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]
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details_list.append((
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sle_details, expected_sle_details,
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"Material Issue Entries", columns
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))
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# Run assertions
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for details in details_list:
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check_sle_details_against_expected(*details)
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def test_mixed_valuation_batches_fifo(self):
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item_code, warehouses, batches = setup_item_valuation_test(use_batchwise_valuation=0)
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warehouse = warehouses[0]
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state = {
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"qty": 0.0,
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"stock_value": 0.0
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}
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def update_invariants(exp_sles):
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for sle in exp_sles:
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state["stock_value"] += sle["stock_value_difference"]
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state["qty"] += sle["actual_qty"]
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sle["stock_value"] = state["stock_value"]
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sle["qty_after_transaction"] = state["qty"]
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return exp_sles
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old1 = make_stock_entry(item_code=item_code, target=warehouse, batch_no=batches[0],
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qty=10, rate=10)
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self.assertSLEs(old1, update_invariants([
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{"actual_qty": 10, "stock_value_difference": 10*10, "stock_queue": [[10, 10]]},
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]))
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old2 = make_stock_entry(item_code=item_code, target=warehouse, batch_no=batches[1],
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qty=10, rate=20)
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self.assertSLEs(old2, update_invariants([
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{"actual_qty": 10, "stock_value_difference": 10*20, "stock_queue": [[10, 10], [10, 20]]},
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]))
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old3 = make_stock_entry(item_code=item_code, target=warehouse, batch_no=batches[0],
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qty=5, rate=15)
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self.assertSLEs(old3, update_invariants([
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{"actual_qty": 5, "stock_value_difference": 5*15, "stock_queue": [[10, 10], [10, 20], [5, 15]]},
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]))
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new1 = make_stock_entry(item_code=item_code, target=warehouse, qty=10, rate=40)
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batches.append(new1.items[0].batch_no)
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# assert old queue remains
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self.assertSLEs(new1, update_invariants([
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{"actual_qty": 10, "stock_value_difference": 10*40, "stock_queue": [[10, 10], [10, 20], [5, 15]]},
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]))
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new2 = make_stock_entry(item_code=item_code, target=warehouse, qty=10, rate=42)
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batches.append(new2.items[0].batch_no)
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self.assertSLEs(new2, update_invariants([
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{"actual_qty": 10, "stock_value_difference": 10*42, "stock_queue": [[10, 10], [10, 20], [5, 15]]},
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]))
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# consume old batch as per FIFO
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consume_old1 = make_stock_entry(item_code=item_code, source=warehouse, qty=15, batch_no=batches[0])
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self.assertSLEs(consume_old1, update_invariants([
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{"actual_qty": -15, "stock_value_difference": -10*10 - 5*20, "stock_queue": [[5, 20], [5, 15]]},
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]))
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# consume new batch as per batch
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consume_new2 = make_stock_entry(item_code=item_code, source=warehouse, qty=10, batch_no=batches[-1])
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self.assertSLEs(consume_new2, update_invariants([
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{"actual_qty": -10, "stock_value_difference": -10*42, "stock_queue": [[5, 20], [5, 15]]},
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]))
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# finish all old batches
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consume_old2 = make_stock_entry(item_code=item_code, source=warehouse, qty=10, batch_no=batches[1])
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self.assertSLEs(consume_old2, update_invariants([
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{"actual_qty": -10, "stock_value_difference": -5*20 - 5*15, "stock_queue": []},
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]))
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# finish all new batches
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consume_new1 = make_stock_entry(item_code=item_code, source=warehouse, qty=10, batch_no=batches[-2])
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self.assertSLEs(consume_new1, update_invariants([
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{"actual_qty": -10, "stock_value_difference": -10*40, "stock_queue": []},
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]))
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>>>>>>> b3b7cdfb49 (test: FIFO transfer for multi-batch transaction)
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def test_fifo_dependent_consumption(self):
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item = make_item("_TestFifoTransferRates")
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source = "_Test Warehouse - _TC"
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target = "Stores - _TC"
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rates = [10 * i for i in range(1, 20)]
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receipt = make_stock_entry(item_code=item.name, target=source, qty=10, do_not_save=True, rate=10)
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for rate in rates[1:]:
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row = frappe.copy_doc(receipt.items[0], ignore_no_copy=False)
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row.basic_rate = rate
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receipt.append("items", row)
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receipt.save()
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receipt.submit()
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expected_queues = []
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for idx, rate in enumerate(rates, start=1):
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expected_queues.append(
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{"stock_queue": [[10, 10 * i] for i in range(1, idx + 1)]}
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)
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self.assertSLEs(receipt, expected_queues)
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transfer = make_stock_entry(item_code=item.name, source=source, target=target, qty=10, do_not_save=True, rate=10)
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for rate in rates[1:]:
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row = frappe.copy_doc(transfer.items[0], ignore_no_copy=False)
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row.basic_rate = rate
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transfer.append("items", row)
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transfer.save()
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transfer.submit()
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# same exact queue should be transferred
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self.assertSLEs(transfer, expected_queues, sle_filters={"warehouse": target})
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def create_repack_entry(**args):
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args = frappe._dict(args)
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