def test_reducing__sans_date__equal_amount(self):
inv = inventory.Inventory()
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('10 HOOL {500 USD}'))
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('-10 HOOL {500 USD}'))
self.assertTrue(inv.is_empty())
def test_creating__with_date(self):
inv = inventory.Inventory()
wash_calculator.book_position(
inv, DD('2014-02-10'),
position.from_string('10 HOOL {500 USD / 2014-02-11}'))
self.assertEqual(
inventory.from_string('10 HOOL {500 USD / 2014-02-11}'), inv)
def test_reducing__sans_date__over_amount(self):
inv = inventory.Inventory()
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('10 HOOL {500 USD}'))
with self.assertRaises(ValueError):
wash_calculator.book_position(
inv, DD('2014-02-10'),
position.from_string('-13 HOOL {500 USD}'))
def test_reducing__sans_date__incomplete_amount(self):
inv = inventory.Inventory()
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('10 HOOL {500 USD}'))
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('-7 HOOL {500 USD}'))
self.assertEqual(
inventory.from_string('3 HOOL {500 USD / 2014-02-10}'), inv)
def test_augmenting__sans_date(self):
inv = inventory.Inventory()
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('10 HOOL {500 USD}'))
wash_calculator.book_position(inv, DD('2014-02-10'),
position.from_string('7 HOOL {500 USD}'))
self.assertEqual(
inventory.from_string('17 HOOL {500 USD / 2014-02-10}'), inv)
def test_reducing__with_diff_date__incomplete_amount(self):
inv = inventory.Inventory()
wash_calculator.book_position(
inv, DD('2014-02-10'), position.from_string('10 HOOL {500 USD}'))
with self.assertRaises(ValueError):
wash_calculator.book_position(
inv, DD('2014-02-10'),
position.from_string('-7 HOOL {500 USD / 2014-02-11}'))
def test_empty(self):
inv = inventory.Inventory()
wash_calculator.book_position(inv, DD('2014-02-03'),
position.from_string('0 HOOL {500 USD}'))
self.assertTrue(inv.is_empty())