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test: e2e test for LIFO valuation

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This commit is contained in:
Ankush Menat 2022-01-15 18:49:46 +05:30
parent 61c5ad44d3
commit 3e5f940686
2 changed files with 67 additions and 1 deletions
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2
erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py
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@ -167,7 +167,7 @@ def get_columns():
{
"fieldname": "stock_queue",
"fieldtype": "Data",
"label": "FIFO Queue",
"label": "FIFO/LIFO Queue",
},
{

66
erpnext/stock/tests/test_valuation.py
View File

@ -1,9 +1,14 @@
import json
import unittest
import frappe
from hypothesis import given
from hypothesis import strategies as st
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.stock.valuation import FIFOValuation, LIFOValuation, _round_off_if_near_zero
from erpnext.tests.utils import ERPNextTestCase
qty_gen = st.floats(min_value=-1e6, max_value=1e6)
value_gen = st.floats(min_value=1, max_value=1e6)
@ -284,3 +289,64 @@ class TestLIFOValuation(unittest.TestCase):
total_value -= sum(q * r for q, r in consumed)
self.assertTotalQty(total_qty)
self.assertTotalValue(total_value)
class TestLIFOValuationSLE(ERPNextTestCase):
ITEM_CODE = "_Test LIFO item"
WAREHOUSE = "_Test Warehouse - _TC"
@classmethod
def setUpClass(cls) -> None:
super().setUpClass()
make_item(cls.ITEM_CODE, {"valuation_method": "LIFO"})
def _make_stock_entry(self, qty, rate=None):
kwargs = {
"item_code": self.ITEM_CODE,
"from_warehouse" if qty < 0 else "to_warehouse": self.WAREHOUSE,
"rate": rate,
"qty": abs(qty),
}
return make_stock_entry(**kwargs)
def assertStockQueue(self, se, expected_queue):
sle_name = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": se.name, "is_cancelled": 0, "voucher_type": "Stock Entry"})
sle = frappe.get_doc("Stock Ledger Entry", sle_name)
stock_queue = json.loads(sle.stock_queue)
total_qty, total_value = LIFOValuation(stock_queue).get_total_stock_and_value()
self.assertEqual(sle.qty_after_transaction, total_qty)
self.assertEqual(sle.stock_value, total_value)
if total_qty > 0:
self.assertEqual(stock_queue, expected_queue)
def test_lifo_values(self):
in1 = self._make_stock_entry(1, 1)
self.assertStockQueue(in1, [[1, 1]])
in2 = self._make_stock_entry(2, 2)
self.assertStockQueue(in2, [[1, 1], [2, 2]])
out1 = self._make_stock_entry(-1)
self.assertStockQueue(out1, [[1, 1], [1, 2]])
in3 = self._make_stock_entry(3, 3)
self.assertStockQueue(in3, [[1, 1], [1, 2], [3, 3]])
out2 = self._make_stock_entry(-4)
self.assertStockQueue(out2, [[1, 1]])
in4 = self._make_stock_entry(4, 4)
self.assertStockQueue(in4, [[1, 1], [4,4]])
out3 = self._make_stock_entry(-5)
self.assertStockQueue(out3, [])
in5 = self._make_stock_entry(5, 5)
self.assertStockQueue(in5, [[5, 5]])
out5 = self._make_stock_entry(-5)
self.assertStockQueue(out5, [])