def setUp(self):
self.discount_repository = Mock()
self.discount_repository.find = Mock()
discounts = {
("MANF-A", "GRADE-A"): Discount(0.3, "MANF-A", "GRADE-A"),
("MANF-B", "GRADE-A"): Discount(0.1, "MANF-B", "GRADE-A")
}
self.discount_repository.find = Mock(side_effect=lambda category, tier: discounts.get((category, tier)))
self.pricing_service = PricingService(self.discount_repository)
customers = {
"Customer": CustomerFactory.build(name="Customer"),
}
self.customer_repository = Mock()
self.customer_repository.find = Mock(side_effect=lambda sku: customers.get(sku))
tax_rate = Mock()
tax_rate.rate = 0.1
self.tax_repository = Mock()
self.tax_repository.find = Mock(return_value=tax_rate)
prod1 = ProductFactory.build(sku="PROD001", price_category="MANF-A")
prod1.set_price(PriceValueFactory.build(price=100.00))
prod2 = ProductFactory.build(sku="PROD002", price_category="MANF-B")
prod2.set_price(PriceValueFactory.build(price=20.00))
self.products = {
"PROD001": prod1,
"PROD002": prod2,
}
self.product_repository = Mock()
self.product_repository.find = Mock(side_effect=lambda sku: self.products.get(sku))
inv_prod1 = InventoryItemFactory.build(sku="PROD001")
inv_prod1.enter_stock_on_hand(10)
inv_prod2 = InventoryItemFactory.build(sku="PROD002", on_hand_buffer=7)
inv_prod2.enter_stock_on_hand(10)
self.inventory = {
"PROD001": inv_prod1,
"PROD002": inv_prod2,
}
self.inventory_repository = Mock()
self.inventory_repository.find = Mock(side_effect=lambda sku: self.inventory.get(sku))
self.order_descriptors = {
"ORD001": [
("PROD001", 1),
("PROD002", 3),
],
"ORD002": [
("PROD001", 2),
("PROD002", 4),
]
}
self.order_repository = Mock()
order_ids = ["ORD002", "ORD001"]
self.order_repository.next_id = Mock(side_effect=lambda: order_ids.pop())
def setUp(self):
order1 = Mock()
order1_line1 = Mock()
order1_line1.sku = "PROD001"
order1_line2 = Mock()
order1_line2.sku = "PROD002"
order1.line_items = Mock()
order1.line_items.__iter__ = Mock(
return_value=iter([order1_line1, order1_line2]))
# order1 = OrderFactory.build(id="ORD001")
# order1.add_line_item("PROD001", 1, 100.00, 0.10)
# order1.add_line_item("PROD002", 3, 10.00, 0.00)
order2 = Mock()
order2_line1 = Mock()
order2_line1.sku = "PROD001"
order2_line2 = Mock()
order2_line2.sku = "PROD002"
order2.line_items = Mock()
order2.line_items.__iter__ = Mock(
return_value=iter([order2_line1, order2_line2]))
# order2 = OrderFactory.build(id="ORD002")
# order2.add_line_item("PROD001", 2, 100.00, 0.10)
# order2.add_line_item("PROD002", 4, 10.00, 0.00)
orders = {
"ORD001": order1,
"ORD002": order2,
}
self.order_repository = Mock()
self.order_repository.find = Mock(
side_effect=lambda order_id: orders.get(order_id))
prod1 = InventoryItemFactory.build(sku="PROD001")
prod1.enter_stock_on_hand(10)
prod1.enter_stock_on_hand(10)
prod1.commit(1, "ORD001")
prod1.commit(2, "ORD002")
prod2 = InventoryItemFactory.build(sku="PROD002")
prod2.enter_stock_on_hand(10)
prod2.enter_stock_on_hand(10)
prod2.commit(3, "ORD001")
prod2.commit(2, "ORD002")
prod2.commit(2, "ORD002")
inventory = {
"PROD001": prod1,
"PROD002": prod2,
}
self.inventory_repository = Mock()
self.inventory_repository.find = Mock(
side_effect=lambda sku: inventory.get(sku))
self.customer_repository = Mock()
self.customer_repository.find = Mock(return_value=True)
def setUp(self):
order1 = Mock()
order1_line1 = Mock()
order1_line1.sku = "PROD001"
order1_line2 = Mock()
order1_line2.sku = "PROD002"
order1.line_items = Mock()
order1.line_items.__iter__ = Mock(return_value=iter([order1_line1, order1_line2]))
# order1 = OrderFactory.build(id="ORD001")
# order1.add_line_item("PROD001", 1, 100.00, 0.10)
# order1.add_line_item("PROD002", 3, 10.00, 0.00)
order2 = Mock()
order2_line1 = Mock()
order2_line1.sku = "PROD001"
order2_line2 = Mock()
order2_line2.sku = "PROD002"
order2.line_items = Mock()
order2.line_items.__iter__ = Mock(return_value=iter([order2_line1, order2_line2]))
# order2 = OrderFactory.build(id="ORD002")
# order2.add_line_item("PROD001", 2, 100.00, 0.10)
# order2.add_line_item("PROD002", 4, 10.00, 0.00)
orders = {
"ORD001": order1,
"ORD002": order2,
}
self.order_repository = Mock()
self.order_repository.find = Mock(side_effect=lambda order_id: orders.get(order_id))
prod1 = InventoryItemFactory.build(sku="PROD001")
prod1.enter_stock_on_hand(10)
prod1.enter_stock_on_hand(10)
prod1.commit(1, "ORD001")
prod1.commit(2, "ORD002")
prod2 = InventoryItemFactory.build(sku="PROD002")
prod2.enter_stock_on_hand(10)
prod2.enter_stock_on_hand(10)
prod2.commit(3, "ORD001")
prod2.commit(2, "ORD002")
prod2.commit(2, "ORD002")
inventory = {
"PROD001": prod1,
"PROD002": prod2,
}
self.inventory_repository = Mock()
self.inventory_repository.find = Mock(side_effect=lambda sku: inventory.get(sku))
self.customer_repository = Mock()
self.customer_repository.find = Mock(return_value=True)
def test_enter_negative_stock(self):
item = InventoryItemFactory.build()
result = item.enter_stock_on_hand(-1)
self.assertFalse(result, "Enter stock On Hand did not fail")
self.assertEquals(0, item.effective_quantity_on_hand(), "On hand count should not have changed")
def test_backorder_commitment(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(3)
item.commit(2, "ORD001")
self.assertEquals(
1, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set after commit")
self.assertEquals(2, item.quantity_committed(),
"2 items should be committed")
# Ensure bogus backorders have no effect
self.assertFalse(item.backorder_commitment(100, "ORDXXX"),
"Bogus backorder did not fail")
self.assertEquals(
1, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set after commit")
self.assertEquals(2, item.quantity_committed(),
"2 items should be committed")
# Backorder part of the commitment
item.backorder_commitment(1, "ORD001")
self.assertEquals(1, item.quantity_committed(),
"Only 1 items should still be committed to")
self.assertEquals(1, item.quantity_backordered(order_id="ORD001"),
"ORD001 should now have backorder qty of 1")
# Backorder the remainder
item.backorder_commitment(1, "ORD001")
self.assertEquals(0, item.quantity_committed(),
"Only 1 items should still be committed to")
self.assertEquals(2, item.quantity_backordered(order_id="ORD001"),
"ORD001 should now have backorder qty of 1")
def test_multiple_commit_with_backorder(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(5)
self.assertEquals(5, item.physical_quantity_on_hand(), "Incorrect on hand count")
item.commit(2, "ORD001")
item.commit(1, "ORD001")
self.assertEquals(5, item.physical_quantity_on_hand(), "Incorrect physical on-hand count set after commit")
self.assertEquals(2, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set after commit")
committed_items = item.find_committed_for_order("ORD001")
self.assertIsNotNone(committed_items, "No items were committed")
self.assertEqual(3, item.quantity_committed(), "Not exactly three items were committed")
item.commit(3, "ORD002")
self.assertEquals(0, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set after commit")
self.assertEquals(1, item.quantity_backordered(), "Incorrect number of backorders after commit")
self.assertEqual(0, item.quantity_backordered(order_id="ORD001"), "ORD001 should not have any backorders")
self.assertEquals(1, item.quantity_backordered(order_id="ORD002"), "ORD002 should not have backorder qty of 1")
item.commit(1, "ORD003")
item.commit(1, "ORD004")
self.assertEquals(0, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set after commit")
self.assertEquals(3, item.quantity_backordered(), "Incorrect number of backorders after commit")
self.assertEquals(1, item.quantity_backordered(order_id="ORD003"), "ORD003 should now have backorder qty of 1")
self.assertEquals(1, item.quantity_backordered(order_id="ORD004"), "ORD004 should now have backorder qty of 1")
def test_commit_with_major_verify_discrepancy(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
self.assertTrue(item.commit(4, "ORD001"))
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(3,
item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(
1,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
# All 5 went missing!
item.verify_stock_level(0)
self.assertEquals(0, item.effective_quantity_on_hand())
self.assertEquals(0,
item.find_committed_for_order("ORD001")["quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(
0,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(4, item.quantity_backordered("ORD001"),
"Backorder should have been created")
self.assertEquals(5, item.quantity_lost(),
"Incorrect number of lost items tracked")
def test_fulfill_commitment(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(2)
item.commit(2, "ORD001")
item.fulfill_commitment(1, "ORD001", "INV001")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should be empty")
self.assertEquals(1, item.quantity_committed(), "One unfilfilled item should remain")
self.assertEquals(1, item.quantity_fulfilled("INV001"), "Item was not fulfilled")
invoice = item.find_fulfillment_for_invoice("INV001")
self.assertEquals(1, invoice["quantity"], "Invoice has incorrect quantity")
self.assertEquals("ORD001", invoice["order_id"], "Invoice has incorrect Order")
# Using the same invoice twice should not commit
item.fulfill_commitment(1, "ORD001", "INV001")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should be empty")
self.assertEquals(1, item.quantity_committed(), "One unfilfilled item should remain")
self.assertEquals(1, item.quantity_fulfilled("INV001"), "Item was not fulfilled")
item.fulfill_commitment(1, "ORD001", "INV002")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should be empty")
self.assertEquals(0, item.quantity_committed(), "One unfilfilled item should remain")
self.assertEquals(1, item.quantity_fulfilled("INV002"), "Item was not fulfilled")
self.assertEquals(2, item.quantity_fulfilled(), "Total number of fulfillments incorrect")
def test_purchase_order_delivery(self):
item = InventoryItemFactory.build()
next_week = datetime.datetime.now() + datetime.timedelta(weeks=1)
next_month = datetime.datetime.now() + datetime.timedelta(weeks=4)
item.purchase_item(10, "PO001", eta_date=next_week)
item.purchase_item(5, "PO002", eta_date=next_month)
self.assertEquals(10,
item.quantity_purchased(purchase_order_id="PO001"),
"Should have 10 items on PO001")
self.assertEquals(5,
item.quantity_purchased(purchase_order_id="PO002"),
"Should have 5 items on PO002")
self.assertEquals(15, item.quantity_purchased(),
"Should have 15 items in total on purchase order")
item.deliver_purchase_order(9, "PO001")
self.assertEquals(1,
item.quantity_purchased(purchase_order_id="PO001"),
"Should now have 1 item on PO001")
self.assertEquals(
6, item.quantity_purchased(),
"Should 6 items in total remaining on purchase order")
self.assertEquals(9, item.effective_quantity_on_hand(),
"Should now be 9 items on hand")
item.deliver_purchase_order(5, "PO002")
self.assertEquals(0,
item.quantity_purchased(purchase_order_id="PO002"),
"PO002 should be empty")
self.assertEquals(
1, item.quantity_purchased(),
"Should 1 item in total remaining on purchase order")
self.assertEquals(14, item.effective_quantity_on_hand(),
"Should now be 14 items on hand")
# re-delivery should fail
item.deliver_purchase_order(1, "PO002")
self.assertEquals(0,
item.quantity_purchased(purchase_order_id="PO002"),
"PO002 should be empty")
self.assertEquals(
1, item.quantity_purchased(),
"Should 1 item in total remaining on purchase order")
self.assertEquals(14, item.effective_quantity_on_hand(),
"Should now be 14 items on hand")
# cancel remaining item on PO001
item.cancel_purchase_order("PO001")
self.assertEquals(0,
item.quantity_purchased(purchase_order_id="PO001"),
"PO001 should be empty")
self.assertEquals(0, item.quantity_purchased(),
"No purchase orders should remain")
self.assertEquals(14, item.effective_quantity_on_hand(),
"Should now be 14 items on hand")
def test_onhand_honours_buffer(self):
item = InventoryItemFactory.build(on_hand_buffer=1)
item.enter_stock_on_hand(2)
item.commit(2, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand())
def test_fulfill_backorder_with_bad_order_id(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(10)
# Bogus backorder
result = item.fulfill_backorder(1, "ORDXXX")
self.assertFalse(result, "Bogus backorder fulfillment should have failed")
def test_enter_stock_on_hand(self):
item = InventoryItemFactory.build()
result = item.enter_stock_on_hand(10)
self.assertTrue(result, "Failed to enter stock On Hand")
self.assertEquals(10, item.physical_quantity_on_hand(), "Incorrect on hand count set")
def test_fulfill_backorder_partial(self):
item = InventoryItemFactory.build()
item.commit(2, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should have no stock")
self.assertEquals(2, item.quantity_backordered(),
"Commit should have created 2 backorders")
backorder = item.find_backorder_for_order("ORD001")
self.assertIsNotNone(backorder, "Could not find backorder for ORD001")
self.assertEquals(2, backorder["quantity"],
"Backorder item has incorrect quantity")
item.enter_stock_on_hand(1)
self.assertEquals(1, item.effective_quantity_on_hand(),
"Warehouse should have qty of 1 on hand")
item.fulfill_backorder(1, "ORD001")
self.assertEquals(1, item.quantity_backordered(),
"Backorder should have been reduced to qty of 1")
self.assertEquals(1, item.quantity_committed(),
"A commitment of 1 item should have been created")
self.assertEquals(0, item.effective_quantity_on_hand(),
"On hand quantity should be 0")
def test_commit_and_verify_with_backorder(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
item.commit(6, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand())
self.assertEquals(3,
item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(
2,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(1, item.quantity_backordered("ORD001"),
"Item was not backordered")
# Verify the original stock level was correct
item.verify_stock_level(5)
self.assertEquals(0, item.effective_quantity_on_hand())
self.assertEquals(5,
item.find_committed_for_order("ORD001")["quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(
0,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(1, item.quantity_backordered("ORD001"),
"Backorder should not have been modified")
def test_commit_and_verify(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
item.commit(4, "ORD001")
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(3,
item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(
1,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
self.assertTrue(item.needs_stock_verified("ORD001"),
"Inventory item should require verification")
# Verify the original stock level was correct
item.verify_stock_level(5)
self.assertFalse(
item.needs_stock_verified("ORD001"),
"Inventory item should no longer require verification")
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(4,
item.find_committed_for_order("ORD001")["quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(
0,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Item quantities do not reflect verification count")
def test_onhand_honours_buffer(self):
item = InventoryItemFactory.build(on_hand_buffer=1)
item.enter_stock_on_hand(2)
item.commit(2, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand())
def test_enter_negative_stock(self):
item = InventoryItemFactory.build()
result = item.enter_stock_on_hand(-1)
self.assertFalse(result, "Enter stock On Hand did not fail")
self.assertEquals(0, item.effective_quantity_on_hand(),
"On hand count should not have changed")
def test_fulfill_backorder_with_bad_order_id(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(10)
# Bogus backorder
result = item.fulfill_backorder(1, "ORDXXX")
self.assertFalse(result,
"Bogus backorder fulfillment should have failed")
def test_enter_stock_on_hand(self):
item = InventoryItemFactory.build()
result = item.enter_stock_on_hand(10)
self.assertTrue(result, "Failed to enter stock On Hand")
self.assertEquals(10, item.physical_quantity_on_hand(),
"Incorrect on hand count set")
def test_enter_stock_on_hand_multiple_locations(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(1)
item.enter_stock_on_hand(1)
item.enter_stock_on_hand(1)
self.assertEquals(3, item.physical_quantity_on_hand(), "Incorrect on hand count")
def test_enter_stock_on_hand_multiple_locations(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(1)
item.enter_stock_on_hand(1)
item.enter_stock_on_hand(1)
self.assertEquals(3, item.physical_quantity_on_hand(),
"Incorrect on hand count")
def test_cancel_backorder(self):
item = InventoryItemFactory.build()
item.commit(1, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should be empty")
self.assertEquals(1, item.quantity_backordered(order_id="ORD001"), "Commit should have created 1 backorder")
self.assertFalse(item.cancel_backorder("ORDXXX"), "Bogus backorder cancel did not fail")
item.cancel_backorder("ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should still be empty")
self.assertEquals(0, item.quantity_backordered(), "Cancel should have removed backorder")
def test_fulfill_backorder_not_possible(self):
item = InventoryItemFactory.build()
item.commit(1, "ORD001")
item.enter_stock_on_hand(1)
self.assertEquals(1, item.effective_quantity_on_hand(), "Warehouse should have on hand qty of 1")
self.assertEquals(1, item.quantity_backordered(), "Commit should have created 1 backorder")
# Impossible fulfillment
result = item.fulfill_backorder(2, "ORD001")
self.assertFalse(result, "Backorder fulfillment should have failed")
self.assertEquals(1, item.effective_quantity_on_hand(), "Warehouse qty should not have changed")
self.assertEquals(1, item.quantity_backordered(), "Backorder qty should not have changed")
def test_multiple_commit_to_same_order(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(2)
# Should be same as commit(2)
item.commit(1, "ORD001")
item.commit(1, "ORD001")
committed_items = item.find_committed_for_order("ORD001")
self.assertIsNotNone(committed_items, "No items were committed")
self.assertEqual(2, item.quantity_committed(), "Not exactly two items were committed")
def test_multiple_commit_to_same_order(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(2)
# Should be same as commit(2)
item.commit(1, "ORD001")
item.commit(1, "ORD001")
committed_items = item.find_committed_for_order("ORD001")
self.assertIsNotNone(committed_items, "No items were committed")
self.assertEqual(2, item.quantity_committed(),
"Not exactly two items were committed")
def test_commit_with_overstocked_verify(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
item.commit(4, "ORD001")
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(3, item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(1, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
# We found an extra to make 6
item.verify_stock_level(6)
def test_fulfill_backorder_completely(self):
item = InventoryItemFactory.build()
item.commit(2, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should have no stock")
self.assertEquals(2, item.quantity_backordered(), "Commit should have created 2 backorders")
item.enter_stock_on_hand(3)
self.assertEquals(3, item.effective_quantity_on_hand(), "Warehouse should have qty of 1 on hand")
item.fulfill_backorder(2, "ORD001")
self.assertEquals(0, item.quantity_backordered(), "No backorders should remain")
self.assertEquals(2, item.quantity_committed(), "A commitment of 2 items should have been created")
self.assertEquals(1, item.effective_quantity_on_hand(), "On hand quantity of 1 should be remain")
def test_revert_commitment(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(3)
item.commit(2, "ORD001")
item.revert(1, "ORD001")
# Ensure bogus reverts don't pass
item.revert(100, "ORDXXX")
# Over-revert should not pass
item.revert(10, "ORD001")
self.assertEquals(1, item.quantity_committed(), "Only 1 commitment should remain after revert")
self.assertEquals(2, item.effective_quantity_on_hand(), "2 should now be in stock")
def test_multiple_commit_with_backorder(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(5)
self.assertEquals(5, item.physical_quantity_on_hand(),
"Incorrect on hand count")
item.commit(2, "ORD001")
item.commit(1, "ORD001")
self.assertEquals(5, item.physical_quantity_on_hand(),
"Incorrect physical on-hand count set after commit")
self.assertEquals(
2, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set after commit")
committed_items = item.find_committed_for_order("ORD001")
self.assertIsNotNone(committed_items, "No items were committed")
self.assertEqual(3, item.quantity_committed(),
"Not exactly three items were committed")
item.commit(3, "ORD002")
self.assertEquals(
0, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set after commit")
self.assertEquals(1, item.quantity_backordered(),
"Incorrect number of backorders after commit")
self.assertEqual(0, item.quantity_backordered(order_id="ORD001"),
"ORD001 should not have any backorders")
self.assertEquals(1, item.quantity_backordered(order_id="ORD002"),
"ORD002 should not have backorder qty of 1")
item.commit(1, "ORD003")
item.commit(1, "ORD004")
self.assertEquals(
0, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set after commit")
self.assertEquals(3, item.quantity_backordered(),
"Incorrect number of backorders after commit")
self.assertEquals(1, item.quantity_backordered(order_id="ORD003"),
"ORD003 should now have backorder qty of 1")
self.assertEquals(1, item.quantity_backordered(order_id="ORD004"),
"ORD004 should now have backorder qty of 1")
def test_cancel_backorder(self):
item = InventoryItemFactory.build()
item.commit(1, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should be empty")
self.assertEquals(1, item.quantity_backordered(order_id="ORD001"),
"Commit should have created 1 backorder")
self.assertFalse(item.cancel_backorder("ORDXXX"),
"Bogus backorder cancel did not fail")
item.cancel_backorder("ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should still be empty")
self.assertEquals(0, item.quantity_backordered(),
"Cancel should have removed backorder")
def test_fulfill_backorder_not_possible(self):
item = InventoryItemFactory.build()
item.commit(1, "ORD001")
item.enter_stock_on_hand(1)
self.assertEquals(1, item.effective_quantity_on_hand(),
"Warehouse should have on hand qty of 1")
self.assertEquals(1, item.quantity_backordered(),
"Commit should have created 1 backorder")
# Impossible fulfillment
result = item.fulfill_backorder(2, "ORD001")
self.assertFalse(result, "Backorder fulfillment should have failed")
self.assertEquals(1, item.effective_quantity_on_hand(),
"Warehouse qty should not have changed")
self.assertEquals(1, item.quantity_backordered(),
"Backorder qty should not have changed")
def test_commit_less_than_on_hand(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(2)
self.assertEquals(2, item.physical_quantity_on_hand(), "Incorrect physical on-hand count set")
self.assertEquals(2, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set")
item.commit(1, "ORD000")
self.assertEquals(2, item.physical_quantity_on_hand(), "Incorrect physical on-hand count set after commit")
self.assertEquals(1, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set after commit")
committed_items = item.find_committed_for_order("ORD000")
self.assertIsNotNone(committed_items, "No items were committed")
self.assertEqual(1, item.quantity_committed(), "Not exactly one item was committed")
self.assertEquals(1, item.quantity_committed(), "Only one item should have been committed")
def test_revert_commitment(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(3)
item.commit(2, "ORD001")
item.revert(1, "ORD001")
# Ensure bogus reverts don't pass
item.revert(100, "ORDXXX")
# Over-revert should not pass
item.revert(10, "ORD001")
self.assertEquals(1, item.quantity_committed(),
"Only 1 commitment should remain after revert")
self.assertEquals(2, item.effective_quantity_on_hand(),
"2 should now be in stock")
def test_lost_and_found(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(15)
self.assertEquals(15, item.effective_quantity_on_hand(), "On hand count should be initialised to 15")
item.lost_stock(1)
self.assertEquals(14, item.effective_quantity_on_hand(), "On hand count should have reduced to 14")
item.found_stock(2)
self.assertEquals(16, item.effective_quantity_on_hand(), "On hand count should have increased to 16")
item.lost_stock(1)
self.assertEquals(15, item.effective_quantity_on_hand(), "On hand count should have reduced to 15")
self.assertEquals(2, item.quantity_lost(), "Total lost count should be 2")
self.assertEquals(2, item.quantity_found(), "Total found count should be 2")
def test_commit_with_overstocked_verify(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
item.commit(4, "ORD001")
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(3,
item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(
1,
item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
# We found an extra to make 6
item.verify_stock_level(6)
def test_fulfill_backorder_partial(self):
item = InventoryItemFactory.build()
item.commit(2, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(), "Warehouse should have no stock")
self.assertEquals(2, item.quantity_backordered(), "Commit should have created 2 backorders")
backorder = item.find_backorder_for_order("ORD001")
self.assertIsNotNone(backorder, "Could not find backorder for ORD001")
self.assertEquals(2, backorder["quantity"], "Backorder item has incorrect quantity")
item.enter_stock_on_hand(1)
self.assertEquals(1, item.effective_quantity_on_hand(), "Warehouse should have qty of 1 on hand")
item.fulfill_backorder(1, "ORD001")
self.assertEquals(1, item.quantity_backordered(), "Backorder should have been reduced to qty of 1")
self.assertEquals(1, item.quantity_committed(), "A commitment of 1 item should have been created")
self.assertEquals(0, item.effective_quantity_on_hand(), "On hand quantity should be 0")
def test_fulfill_backorder_completely(self):
item = InventoryItemFactory.build()
item.commit(2, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should have no stock")
self.assertEquals(2, item.quantity_backordered(),
"Commit should have created 2 backorders")
item.enter_stock_on_hand(3)
self.assertEquals(3, item.effective_quantity_on_hand(),
"Warehouse should have qty of 1 on hand")
item.fulfill_backorder(2, "ORD001")
self.assertEquals(0, item.quantity_backordered(),
"No backorders should remain")
self.assertEquals(2, item.quantity_committed(),
"A commitment of 2 items should have been created")
self.assertEquals(1, item.effective_quantity_on_hand(),
"On hand quantity of 1 should be remain")
def test_fulfill_commitment(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(2)
item.commit(2, "ORD001")
item.fulfill_commitment(1, "ORD001", "INV001")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should be empty")
self.assertEquals(1, item.quantity_committed(),
"One unfilfilled item should remain")
self.assertEquals(1, item.quantity_fulfilled("INV001"),
"Item was not fulfilled")
invoice = item.find_fulfillment_for_invoice("INV001")
self.assertEquals(1, invoice["quantity"],
"Invoice has incorrect quantity")
self.assertEquals("ORD001", invoice["order_id"],
"Invoice has incorrect Order")
# Using the same invoice twice should not commit
item.fulfill_commitment(1, "ORD001", "INV001")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should be empty")
self.assertEquals(1, item.quantity_committed(),
"One unfilfilled item should remain")
self.assertEquals(1, item.quantity_fulfilled("INV001"),
"Item was not fulfilled")
item.fulfill_commitment(1, "ORD001", "INV002")
self.assertEquals(0, item.effective_quantity_on_hand(),
"Warehouse should be empty")
self.assertEquals(0, item.quantity_committed(),
"One unfilfilled item should remain")
self.assertEquals(1, item.quantity_fulfilled("INV002"),
"Item was not fulfilled")
self.assertEquals(2, item.quantity_fulfilled(),
"Total number of fulfillments incorrect")
def test_commit_and_verify_with_backorder(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
item.commit(6, "ORD001")
self.assertEquals(0, item.effective_quantity_on_hand())
self.assertEquals(3, item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(2, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(1, item.quantity_backordered("ORD001"), "Item was not backordered")
# Verify the original stock level was correct
item.verify_stock_level(5)
self.assertEquals(0, item.effective_quantity_on_hand())
self.assertEquals(5, item.find_committed_for_order("ORD001")["quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(0, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(1, item.quantity_backordered("ORD001"), "Backorder should not have been modified")
def test_commit_with_major_verify_discrepancy(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
self.assertTrue(item.commit(4, "ORD001"))
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(3, item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(1, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
# All 5 went missing!
item.verify_stock_level(0)
self.assertEquals(0, item.effective_quantity_on_hand())
self.assertEquals(0, item.find_committed_for_order("ORD001")["quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(0, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(4, item.quantity_backordered("ORD001"), "Backorder should have been created")
self.assertEquals(5, item.quantity_lost(), "Incorrect number of lost items tracked")
def test_backorder_commitment(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(3)
item.commit(2, "ORD001")
self.assertEquals(1, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set after commit")
self.assertEquals(2, item.quantity_committed(), "2 items should be committed")
# Ensure bogus backorders have no effect
self.assertFalse(item.backorder_commitment(100, "ORDXXX"), "Bogus backorder did not fail")
self.assertEquals(1, item.effective_quantity_on_hand(), "Incorrect effective on-hand count set after commit")
self.assertEquals(2, item.quantity_committed(), "2 items should be committed")
# Backorder part of the commitment
item.backorder_commitment(1, "ORD001")
self.assertEquals(1, item.quantity_committed(), "Only 1 items should still be committed to")
self.assertEquals(1, item.quantity_backordered(order_id="ORD001"), "ORD001 should now have backorder qty of 1")
# Backorder the remainder
item.backorder_commitment(1, "ORD001")
self.assertEquals(0, item.quantity_committed(), "Only 1 items should still be committed to")
self.assertEquals(2, item.quantity_backordered(order_id="ORD001"), "ORD001 should now have backorder qty of 1")
def test_lost_and_found(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(15)
self.assertEquals(15, item.effective_quantity_on_hand(),
"On hand count should be initialised to 15")
item.lost_stock(1)
self.assertEquals(14, item.effective_quantity_on_hand(),
"On hand count should have reduced to 14")
item.found_stock(2)
self.assertEquals(16, item.effective_quantity_on_hand(),
"On hand count should have increased to 16")
item.lost_stock(1)
self.assertEquals(15, item.effective_quantity_on_hand(),
"On hand count should have reduced to 15")
self.assertEquals(2, item.quantity_lost(),
"Total lost count should be 2")
self.assertEquals(2, item.quantity_found(),
"Total found count should be 2")
def test_commit_less_than_on_hand(self):
item = InventoryItemFactory.build()
item.enter_stock_on_hand(2)
self.assertEquals(2, item.physical_quantity_on_hand(),
"Incorrect physical on-hand count set")
self.assertEquals(2, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set")
item.commit(1, "ORD000")
self.assertEquals(2, item.physical_quantity_on_hand(),
"Incorrect physical on-hand count set after commit")
self.assertEquals(
1, item.effective_quantity_on_hand(),
"Incorrect effective on-hand count set after commit")
committed_items = item.find_committed_for_order("ORD000")
self.assertIsNotNone(committed_items, "No items were committed")
self.assertEqual(1, item.quantity_committed(),
"Not exactly one item was committed")
self.assertEquals(1, item.quantity_committed(),
"Only one item should have been committed")
def test_purchase_order_delivery(self):
item = InventoryItemFactory.build()
next_week = datetime.datetime.now() + datetime.timedelta(weeks=1)
next_month = datetime.datetime.now() + datetime.timedelta(weeks=4)
item.purchase_item(10, "PO001", eta_date=next_week)
item.purchase_item(5, "PO002", eta_date=next_month)
self.assertEquals(10, item.quantity_purchased(purchase_order_id="PO001"), "Should have 10 items on PO001")
self.assertEquals(5, item.quantity_purchased(purchase_order_id="PO002"), "Should have 5 items on PO002")
self.assertEquals(15, item.quantity_purchased(), "Should have 15 items in total on purchase order")
item.deliver_purchase_order(9, "PO001")
self.assertEquals(1, item.quantity_purchased(purchase_order_id="PO001"), "Should now have 1 item on PO001")
self.assertEquals(6, item.quantity_purchased(), "Should 6 items in total remaining on purchase order")
self.assertEquals(9, item.effective_quantity_on_hand(), "Should now be 9 items on hand")
item.deliver_purchase_order(5, "PO002")
self.assertEquals(0, item.quantity_purchased(purchase_order_id="PO002"), "PO002 should be empty")
self.assertEquals(1, item.quantity_purchased(), "Should 1 item in total remaining on purchase order")
self.assertEquals(14, item.effective_quantity_on_hand(), "Should now be 14 items on hand")
# re-delivery should fail
item.deliver_purchase_order(1, "PO002")
self.assertEquals(0, item.quantity_purchased(purchase_order_id="PO002"), "PO002 should be empty")
self.assertEquals(1, item.quantity_purchased(), "Should 1 item in total remaining on purchase order")
self.assertEquals(14, item.effective_quantity_on_hand(), "Should now be 14 items on hand")
# cancel remaining item on PO001
item.cancel_purchase_order("PO001")
self.assertEquals(0, item.quantity_purchased(purchase_order_id="PO001"), "PO001 should be empty")
self.assertEquals(0, item.quantity_purchased(), "No purchase orders should remain")
self.assertEquals(14, item.effective_quantity_on_hand(), "Should now be 14 items on hand")
def test_commit_and_verify(self):
item = InventoryItemFactory.build(on_hand_buffer=2)
item.enter_stock_on_hand(5)
item.commit(4, "ORD001")
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(3, item.find_committed_for_order("ORD001")["quantity"],
"Incorrect quantity was automatically verified")
self.assertEquals(1, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Incorrect quantity was automatically verified")
self.assertTrue(item.needs_stock_verified("ORD001"), "Inventory item should require verification")
# Verify the original stock level was correct
item.verify_stock_level(5)
self.assertFalse(item.needs_stock_verified("ORD001"), "Inventory item should no longer require verification")
self.assertEquals(1, item.effective_quantity_on_hand())
self.assertEquals(4, item.find_committed_for_order("ORD001")["quantity"],
"Item quantities do not reflect verification count")
self.assertEquals(0, item.find_committed_for_order("ORD001")["unverified_quantity"],
"Item quantities do not reflect verification count")
def setUp(self):
customer = CustomerFactory.build(name="Customer")
customer.orders = ["ORD001", "ORD002", "ORD00X"]
self.customer_repository = Mock()
self.customer_repository.find = Mock(return_value=customer)
tax_rate = Mock()
tax_rate.rate = 0.1
self.tax_repository = Mock()
self.tax_repository.find = Mock(return_value=tax_rate)
order1 = OrderFactory.build(order_id="ORD001", customer_reference="CUST-PO001")
order1.customer = "Customer"
order1.add_line_item("PROD001", 1, 100.00, 0.10)
order1.add_line_item("PROD002", 3, 10.00, 0.00)
order1.is_acknowledged = Mock(return_value=True)
order2 = OrderFactory.build(order_id="ORD002", customer_reference="CUST-PO002")
order2.customer = "Customer"
order2.add_line_item("PROD001", 2, 100.00, 0.10)
order2.add_line_item("PROD002", 4, 10.00, 0.00)
order2.is_acknowledged = Mock(return_value=True)
order3 = OrderFactory.build(order_id="ORD003", customer_reference="CUST-PO003")
order3.customer = "Customer"
order3.add_line_item("PROD004", 1, 100.00, 0.10)
order3.is_acknowledged = Mock(return_value=True)
orderx = OrderFactory.build(order_id="ORD00X", customer_reference="CUST-PO00X")
orderx.customer = "Fake Customer"
orderx.is_acknowledged = Mock(return_value=False)
self.orders = {
"ORD001": order1,
"ORD002": order2,
"ORD003": order3,
"ORD00X": orderx, # An unacknowledged order with bad customer
}
self.order_repository = Mock()
self.order_repository.find = Mock(side_effect=lambda order_id: self.orders.get(order_id))
prod1 = InventoryItemFactory.build(sku="PROD001")
prod1.enter_stock_on_hand(10)
prod1.commit(1, "ORD001")
prod1.commit(2, "ORD002")
prod2 = InventoryItemFactory.build(sku="PROD002")
prod2.enter_stock_on_hand(10)
prod2.commit(3, "ORD001")
prod2.commit(4, "ORD002")
# Product with no commitments
prod3 = InventoryItemFactory.build(sku="PROD003")
prod3.enter_stock_on_hand(10)
# Always failing commitment fulfillment
prod4 = InventoryItemFactory.build(sku="PROD004")
prod4.enter_stock_on_hand(10)
prod4.commit(3, "ORD003")
prod4.fulfill_commitment = Mock(side_effect=lambda x, y, z: False)
inventory = {
"PROD001": prod1,
"PROD002": prod2,
"PROD003": prod3,
"PROD004": prod4,
}
self.inventory_repository = Mock()
self.inventory_repository.find = Mock(side_effect=lambda sku: inventory.get(sku))
self.invoice_repository = Mock()
invoice_ids = ["INV002", "INV001"]
self.invoice_repository.next_id = Mock(side_effect=lambda: invoice_ids.pop())
self.order_descriptors = {
"ORD001": [
{"sku": "PROD001", "quantity": 1},
{"sku": "PROD002", "quantity": 3}
],
"ORD002": [
{"sku": "PROD001", "quantity": 2},
{"sku": "PROD002", "quantity": 2},
{"sku": "PROD002", "quantity": 2}
],
"ORD003": [
{"sku": "PROD004", "quantity": 3},
],
"ORD00X": [
{"sku": "PROD001", "quantity": 1},
]
}
def setUp(self):
self.discount_repository = Mock()
self.discount_repository.find = Mock()
discounts = {
("MANF-A", "GRADE-A"): Discount(0.3, "MANF-A", "GRADE-A"),
("MANF-B", "GRADE-A"): Discount(0.1, "MANF-B", "GRADE-A")
}
self.discount_repository.find = Mock(
side_effect=lambda category, tier: discounts.get((category, tier)))
self.pricing_service = PricingService(self.discount_repository)
customers = {
"Customer": CustomerFactory.build(name="Customer"),
}
self.customer_repository = Mock()
self.customer_repository.find = Mock(
side_effect=lambda sku: customers.get(sku))
tax_rate = Mock()
tax_rate.rate = 0.1
self.tax_repository = Mock()
self.tax_repository.find = Mock(return_value=tax_rate)
prod1 = ProductFactory.build(sku="PROD001", price_category="MANF-A")
prod1.set_price(PriceValueFactory.build(price=100.00))
prod2 = ProductFactory.build(sku="PROD002", price_category="MANF-B")
prod2.set_price(PriceValueFactory.build(price=20.00))
self.products = {
"PROD001": prod1,
"PROD002": prod2,
}
self.product_repository = Mock()
self.product_repository.find = Mock(
side_effect=lambda sku: self.products.get(sku))
inv_prod1 = InventoryItemFactory.build(sku="PROD001")
inv_prod1.enter_stock_on_hand(10)
inv_prod2 = InventoryItemFactory.build(sku="PROD002", on_hand_buffer=7)
inv_prod2.enter_stock_on_hand(10)
self.inventory = {
"PROD001": inv_prod1,
"PROD002": inv_prod2,
}
self.inventory_repository = Mock()
self.inventory_repository.find = Mock(
side_effect=lambda sku: self.inventory.get(sku))
self.order_descriptors = {
"ORD001": [
("PROD001", 1),
("PROD002", 3),
],
"ORD002": [
("PROD001", 2),
("PROD002", 4),
]
}
self.order_repository = Mock()
order_ids = ["ORD002", "ORD001"]
self.order_repository.next_id = Mock(
side_effect=lambda: order_ids.pop())
