class TestStockRecordOfZeroStockProduct(TestCase):
def setUp(self):
self.wrapper = DefaultWrapper()
self.product = Product()
self.product.product_class = ProductClass()
self.record = StockRecord(num_in_stock=0, product=self.product)
def test_is_not_available_to_buy(self):
self.assertFalse(self.wrapper.is_available_to_buy(self.record))
def test_does_not_permit_purchase(self):
is_permitted, reason = self.wrapper.is_purchase_permitted(
self.record)
self.assertFalse(is_permitted)
def test_has_zero_max_purchase_quantity(self):
self.assertEqual(0, self.wrapper.max_purchase_quantity(self.record))
def test_returns_unavailable_code(self):
self.assertEqual(DefaultWrapper.CODE_UNAVAILABLE,
self.wrapper.availability_code(self.record))
def test_returns_correct_availability_message(self):
self.assertEqual("Not available",
self.wrapper.availability(self.record))
def test_returns_no_estimated_dispatch_date(self):
self.assertIsNone(self.wrapper.dispatch_date(self.record))
def test_returns_no_estimated_lead_time(self):
self.assertIsNone(self.wrapper.lead_time(self.record))
def test_returns_zero_tax(self):
self.assertEqual(D('0.00'), self.wrapper.calculate_tax(self.record))
class TestStockRecordWithPositiveStock(TestCase):
def setUp(self):
self.wrapper = DefaultWrapper()
self.product = Product()
self.product.product_class = ProductClass()
self.record = StockRecord(num_in_stock=5, product=self.product)
def test_is_available_to_buy(self):
self.assertTrue(self.wrapper.is_available_to_buy(self.record))
def test_does_permit_purchase_for_smaller_quantities(self):
for x in range(1, 6):
is_permitted, reason = self.wrapper.is_purchase_permitted(
self.record, quantity=x)
self.assertTrue(is_permitted)
def test_does_not_permit_purchase_for_larger_quantities(self):
for x in range(6, 10):
is_permitted, reason = self.wrapper.is_purchase_permitted(
self.record, quantity=x)
self.assertFalse(is_permitted)
def test_has_correct_max_purchase_quantity(self):
self.assertEqual(5, self.wrapper.max_purchase_quantity(self.record))
def test_returns_available_code(self):
self.assertEqual(DefaultWrapper.CODE_IN_STOCK,
self.wrapper.availability_code(self.record))
def test_returns_correct_availability_message(self):
self.assertEqual("In stock (5 available)",
self.wrapper.availability(self.record))
def test_returns_no_estimated_dispatch_date(self):
self.assertIsNone(self.wrapper.dispatch_date(self.record))
def test_returns_no_estimated_lead_time(self):
self.assertIsNone(self.wrapper.lead_time(self.record))
def test_returns_zero_tax(self):
self.assertEqual(D('0.00'), self.wrapper.calculate_tax(self.record))
class TestStockRecordWithNullStockLevel(TestCase):
"""
Stock record with num_in_stock=None
"""
def setUp(self):
self.wrapper = DefaultWrapper()
self.product = Product()
self.product.product_class = ProductClass()
self.record = StockRecord(num_in_stock=None, product=self.product)
def test_is_available_to_buy(self):
self.assertTrue(self.wrapper.is_available_to_buy(self.record))
def test_permits_purchase(self):
is_permitted, reason = self.wrapper.is_purchase_permitted(
self.record)
self.assertTrue(is_permitted)
def test_has_no_max_purchase_quantity(self):
self.assertIsNone(self.wrapper.max_purchase_quantity(self.record))
def test_returns_available_code(self):
self.assertEqual(DefaultWrapper.CODE_AVAILABLE,
self.wrapper.availability_code(self.record))
def test_returns_correct_availability_message(self):
self.assertEqual("Available",
self.wrapper.availability(self.record))
def test_returns_no_estimated_dispatch_date(self):
self.assertIsNone(self.wrapper.dispatch_date(self.record))
def test_returns_no_estimated_lead_time(self):
self.assertIsNone(self.wrapper.lead_time(self.record))
def test_returns_zero_tax(self):
self.assertEqual(D('0.00'), self.wrapper.calculate_tax(self.record))
class DefaultWrapperTests(TestCase):
def setUp(self):
self.wrapper = DefaultWrapper()
self.product = create_product()
def test_num_in_stock_is_none_is_available_to_buy(self):
record = StockRecord(num_in_stock=None)
self.assertTrue(self.wrapper.is_available_to_buy(record))
def test_zero_stock_is_not_available_to_buy(self):
record = StockRecord(num_in_stock=0)
self.assertFalse(self.wrapper.is_available_to_buy(record))
def test_nonzero_stock_is_available_to_buy(self):
record = StockRecord(num_in_stock=10)
self.assertTrue(self.wrapper.is_available_to_buy(record))
def test_matching_purchase_is_permitted(self):
record = StockRecord(num_in_stock=4, product=self.product)
result, reason = self.wrapper.is_purchase_permitted(record, quantity=4)
self.assertTrue(result)
def test_smaller_purchase_is_permitted(self):
record = StockRecord(num_in_stock=4, product=self.product)
result, reason = self.wrapper.is_purchase_permitted(record, quantity=3)
self.assertTrue(result)
def test_too_large_purchase_is_not_permitted(self):
record = StockRecord(num_in_stock=4, product=self.product)
result, reason = self.wrapper.is_purchase_permitted(record, quantity=5)
self.assertFalse(result)
def test_max_purchase_quantity(self):
record = StockRecord(num_in_stock=4, product=self.product)
self.assertEqual(record.num_in_stock,
self.wrapper.max_purchase_quantity(record))
def test_availability_code_for_in_stock(self):
record = StockRecord(num_in_stock=4, product=self.product)
self.assertEqual('instock', self.wrapper.availability_code(record))
def test_availability_code_for_zero_stock(self):
record = StockRecord(num_in_stock=0, product=self.product)
self.assertEqual('outofstock', self.wrapper.availability_code(record))
def test_availability_code_for_null_stock_but_available(self):
record = StockRecord(num_in_stock=None, product=self.product)
self.assertEqual('available', self.wrapper.availability_code(record))
def test_availability_message_for_in_stock(self):
record = StockRecord(num_in_stock=4, product=self.product)
self.assertEqual(u'In stock (4 available)',
unicode(self.wrapper.availability(record)))
def test_availability_message_for_available(self):
record = StockRecord(num_in_stock=None, product=self.product)
self.assertEqual(u'Available',
unicode(self.wrapper.availability(record)))
def test_availability_message_for_out_of_stock(self):
record = StockRecord(num_in_stock=0, product=self.product)
self.assertEqual(u'Not available',
unicode(self.wrapper.availability(record)))
def test_backorder_purchase_is_permitted(self):
record = StockRecord(num_in_stock=None, product=self.product)
with patch.object(self.wrapper, 'max_purchase_quantity') as m:
m.return_value = None
result, reason = self.wrapper.is_purchase_permitted(record)
self.assertTrue(result)
def test_dispatch_date_for_in_stock(self):
tomorrow = datetime.date.today() + datetime.timedelta(days=1)
record = StockRecord(product=self.product, num_in_stock=4)
self.assertEquals(tomorrow, self.wrapper.dispatch_date(record))
def test_dispatch_date_for_out_of_stock(self):
date = datetime.date.today() + datetime.timedelta(days=7)
record = StockRecord(product=self.product)
self.assertEquals(date, self.wrapper.dispatch_date(record))
class DefaultWrapperTests(TestCase):
def setUp(self):
self.wrapper = DefaultWrapper()
self.product = create_product()
def test_num_in_stock_is_none_is_available_to_buy(self):
record = StockRecord(num_in_stock=None)
self.assertTrue(self.wrapper.is_available_to_buy(record))
def test_zero_stock_is_not_available_to_buy(self):
record = StockRecord(num_in_stock=0)
self.assertFalse(self.wrapper.is_available_to_buy(record))
def test_nonzero_stock_is_available_to_buy(self):
record = StockRecord(num_in_stock=10)
self.assertTrue(self.wrapper.is_available_to_buy(record))
def test_matching_purchase_is_permitted(self):
record = StockRecord(num_in_stock=4, product=self.product)
result, reason = self.wrapper.is_purchase_permitted(record, quantity=4)
self.assertTrue(result)
def test_smaller_purchase_is_permitted(self):
record = StockRecord(num_in_stock=4, product=self.product)
result, reason = self.wrapper.is_purchase_permitted(record, quantity=3)
self.assertTrue(result)
def test_too_large_purchase_is_not_permitted(self):
record = StockRecord(num_in_stock=4, product=self.product)
result, reason = self.wrapper.is_purchase_permitted(record, quantity=5)
self.assertFalse(result)
def test_max_purchase_quantity(self):
record = StockRecord(num_in_stock=4, product=self.product)
self.assertEqual(record.num_in_stock, self.wrapper.max_purchase_quantity(record))
def test_availability_code_for_in_stock(self):
record = StockRecord(num_in_stock=4, product=self.product)
self.assertEqual('instock', self.wrapper.availability_code(record))
def test_availability_code_for_zero_stock(self):
record = StockRecord(num_in_stock=0, product=self.product)
self.assertEqual('outofstock', self.wrapper.availability_code(record))
def test_availability_code_for_null_stock_but_available(self):
record = StockRecord(num_in_stock=None, product=self.product)
self.assertEqual('available', self.wrapper.availability_code(record))
def test_availability_message_for_in_stock(self):
record = StockRecord(num_in_stock=4, product=self.product)
self.assertEqual(u'In stock (4 available)', unicode(self.wrapper.availability(record)))
def test_availability_message_for_available(self):
record = StockRecord(num_in_stock=None, product=self.product)
self.assertEqual(u'Available', unicode(self.wrapper.availability(record)))
def test_availability_message_for_out_of_stock(self):
record = StockRecord(num_in_stock=0, product=self.product)
self.assertEqual(u'Not available', unicode(self.wrapper.availability(record)))
def test_backorder_purchase_is_permitted(self):
record = StockRecord(num_in_stock=None, product=self.product)
with patch.object(self.wrapper, 'max_purchase_quantity') as m:
m.return_value = None
result, reason = self.wrapper.is_purchase_permitted(record)
self.assertTrue(result)
def test_dispatch_date_for_in_stock(self):
tomorrow = datetime.date.today() + datetime.timedelta(days=1)
record = StockRecord(product=self.product, num_in_stock=4)
self.assertEquals(tomorrow, self.wrapper.dispatch_date(record))
def test_dispatch_date_for_out_of_stock(self):
date = datetime.date.today() + datetime.timedelta(days=7)
record = StockRecord(product=self.product)
self.assertEquals(date, self.wrapper.dispatch_date(record))