refactor
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"""
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تست‌های اطمینان انبار: ریاضی موجودی، تاریخچه گردش کالا و چرخهٔ کامل انتقال بین انبارها.
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"""
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from django.core.exceptions import PermissionDenied, ValidationError
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from django.test import TestCase
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from admin_panel.models import (ProductInStore, ProductStockHistory,
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StoreTransferRequest)
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from admin_panel.services import (approve_transfer_request,
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cancel_transfer_request,
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create_transfer_request,
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get_product_current_stock,
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reject_transfer_request)
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from .factories import (current_stock, make_product, make_store, make_user,
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stock_in)
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class ProductInStoreMathTests(TestCase):
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def setUp(self):
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self.store = make_store('انبار مرکزی')
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self.product = make_product('کالای تست', price=500)
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def test_initial_in_records_history_and_stock(self):
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row = stock_in(self.store, self.product, 10)
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row.refresh_from_db()
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self.assertEqual(row.current_stock_at_time, 10)
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self.assertEqual(current_stock(self.store, self.product), 10)
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history = ProductStockHistory.objects.filter(store_room=self.store, product=self.product)
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self.assertEqual(history.count(), 1)
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self.assertEqual(history.first().quantity_changed, 10)
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self.assertEqual(history.first().current_stock, 10)
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def test_multiple_movements_accumulate_correctly(self):
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stock_in(self.store, self.product, 10)
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ProductInStore.objects.create(
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StoreRoom=self.store, Product=self.product, s_in=0, s_out=4,
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desc='خروج تست', movement_type=ProductInStore.MovementType.DIRECT_OUT,
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)
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ProductInStore.objects.create(
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StoreRoom=self.store, Product=self.product, s_in=7, s_out=0,
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desc='ورود تست', movement_type=ProductInStore.MovementType.DIRECT_IN,
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)
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self.assertEqual(current_stock(self.store, self.product), 13)
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self.assertEqual(get_product_current_stock(self.store, self.product), 13)
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self.assertEqual(
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ProductStockHistory.objects.filter(store_room=self.store, product=self.product).count(),
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3,
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)
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def test_editing_a_row_updates_stock_and_history(self):
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row = stock_in(self.store, self.product, 10)
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row.s_in = 25
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row.save()
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row.refresh_from_db()
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self.assertEqual(row.current_stock_at_time, 25)
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self.assertEqual(current_stock(self.store, self.product), 25)
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# آخرین رکورد تاریخچه باید تغییر (+15) را نشان دهد
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last = ProductStockHistory.objects.filter(
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store_room=self.store, product=self.product
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).order_by('-id').first()
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self.assertEqual(last.quantity_changed, 15)
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self.assertEqual(last.current_stock, 25)
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def test_deleting_a_row_creates_history_and_reduces_stock(self):
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stock_in(self.store, self.product, 10)
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out_row = ProductInStore.objects.create(
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StoreRoom=self.store, Product=self.product, s_in=0, s_out=3,
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desc='خروج', movement_type=ProductInStore.MovementType.DIRECT_OUT,
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)
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self.assertEqual(current_stock(self.store, self.product), 7)
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out_row.delete()
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self.assertEqual(current_stock(self.store, self.product), 10)
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last = ProductStockHistory.objects.filter(
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store_room=self.store, product=self.product
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).order_by('-id').first()
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self.assertEqual(last.quantity_changed, 3)
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self.assertEqual(last.current_stock, 10)
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def test_garbage_numeric_values_are_coerced_to_zero(self):
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row = ProductInStore.objects.create(
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StoreRoom=self.store, Product=self.product,
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s_in='abc', s_out=None, desc='مقدار خراب',
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)
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row.refresh_from_db()
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self.assertEqual(row.s_in, 0)
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self.assertEqual(row.s_out, 0)
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class TransferWorkflowTests(TestCase):
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def setUp(self):
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self.boss = make_user('boss', superuser=True)
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self.store_a = make_store('مبدا', viewers=[self.boss])
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self.store_b = make_store('مقصد', viewers=[self.boss])
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self.product = make_product('کالای انتقالی', price=1000)
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stock_in(self.store_a, self.product, 10)
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def test_create_transfer_request_pending(self):
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transfer = create_transfer_request(
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source_store=self.store_a,
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target_store=self.store_b,
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product=self.product,
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quantity=4,
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requester=self.boss,
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)
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self.assertEqual(transfer.status, StoreTransferRequest.Status.PENDING)
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# تا زمان تایید، موجودی هیچ انباری تغییر نمی‌کند
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self.assertEqual(current_stock(self.store_a, self.product), 10)
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self.assertEqual(current_stock(self.store_b, self.product), 0)
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def test_create_rejects_insufficient_stock(self):
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with self.assertRaises(ValidationError):
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create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=999, requester=self.boss,
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)
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def test_create_rejects_same_store(self):
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with self.assertRaises(ValidationError):
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create_transfer_request(
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source_store=self.store_a, target_store=self.store_a,
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product=self.product, quantity=1, requester=self.boss,
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)
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def test_create_rejects_non_positive_quantity(self):
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with self.assertRaises(ValidationError):
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create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=0, requester=self.boss,
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)
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def test_approve_moves_stock_and_links_transactions(self):
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transfer = create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=4, requester=self.boss,
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)
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approved = approve_transfer_request(request_id=transfer.id, approver=self.boss)
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self.assertEqual(approved.status, StoreTransferRequest.Status.APPROVED)
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self.assertIsNotNone(approved.out_transaction_id)
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self.assertIsNotNone(approved.in_transaction_id)
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self.assertEqual(current_stock(self.store_a, self.product), 6)
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self.assertEqual(current_stock(self.store_b, self.product), 4)
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def test_double_approval_is_rejected(self):
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transfer = create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=4, requester=self.boss,
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)
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approve_transfer_request(request_id=transfer.id, approver=self.boss)
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with self.assertRaises(ValidationError):
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approve_transfer_request(request_id=transfer.id, approver=self.boss)
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def test_reject_keeps_stock_untouched(self):
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transfer = create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=4, requester=self.boss,
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)
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rejected = reject_transfer_request(request_id=transfer.id, rejector=self.boss, reason='کالا خراب')
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self.assertEqual(rejected.status, StoreTransferRequest.Status.REJECTED)
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self.assertEqual(rejected.rejection_reason, 'کالا خراب')
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self.assertEqual(current_stock(self.store_a, self.product), 10)
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self.assertEqual(current_stock(self.store_b, self.product), 0)
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def test_cancel_by_requester(self):
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transfer = create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=4, requester=self.boss,
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)
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canceled = cancel_transfer_request(request_id=transfer.id, user=self.boss)
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self.assertEqual(canceled.status, StoreTransferRequest.Status.CANCELED)
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def test_permission_denied_for_outsider(self):
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outsider = make_user('outsider')
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with self.assertRaises(PermissionDenied):
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create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=1, requester=outsider,
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)
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def test_approval_permission_denied_for_non_target_member(self):
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transfer = create_transfer_request(
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source_store=self.store_a, target_store=self.store_b,
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product=self.product, quantity=4, requester=self.boss,
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)
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outsider = make_user('outsider2')
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with self.assertRaises(PermissionDenied):
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approve_transfer_request(request_id=transfer.id, approver=outsider)
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