def test_package_creation_does_not_increase_price_for_cheaper_1_day_long_old_package_in_the_same_day(
self):
old_component_price = 10
new_component_price = old_component_price + 5
start_date = timezone.datetime(2014, 2, 26, tzinfo=pytz.UTC)
package_change_date = start_date
end_of_the_month = core_utils.month_end(package_change_date)
with freeze_time(start_date):
old_package = invoices_fixtures.create_package(
component_price=old_component_price)
customer = old_package.tenant.service_project_link.project.customer
with freeze_time(package_change_date):
old_package.delete()
new_template = invoices_fixtures.create_package_template(
component_price=new_component_price)
new_package = packages_factories.OpenStackPackageFactory(
template=new_template,
tenant__service_project_link__project__customer=customer,
)
old_components_price = old_package.template.price * (
package_change_date - start_date).days
second_component_usage_days = invoices_utils.get_full_days(
package_change_date, end_of_the_month)
new_components_price = new_package.template.price * second_component_usage_days
expected_price = old_components_price + new_components_price
# assert
self.assertEqual(invoices_models.Invoice.objects.count(), 1)
self.assertEqual(Decimal(expected_price),
invoices_models.Invoice.objects.first().price)
def test_package_creation_increases_price_from_old_package_if_it_is_more_expensive_in_the_end_of_the_month(
self):
old_component_price = 15
new_component_price = old_component_price - 5
start_date = timezone.datetime(2014, 2, 20, tzinfo=pytz.UTC)
package_change_date = timezone.datetime(2014, 2, 27, tzinfo=pytz.UTC)
end_of_the_month = core_utils.month_end(package_change_date)
with freeze_time(start_date):
old_package = invoices_fixtures.create_package(
component_price=old_component_price)
tenant = old_package.tenant
with freeze_time(package_change_date):
old_package.delete()
new_template = invoices_fixtures.create_package_template(
component_price=new_component_price)
new_package = packages_factories.OpenStackPackageFactory(
template=new_template,
tenant=tenant,
)
old_components_price = old_package.template.price * (
(package_change_date - start_date).days + 1)
second_component_usage_days = invoices_utils.get_full_days(
package_change_date, end_of_the_month) - 1
new_components_price = new_package.template.price * second_component_usage_days
expected_price = old_components_price + new_components_price
# assert
self.assertEqual(invoices_models.Invoice.objects.count(), 1)
self.assertEqual(Decimal(expected_price),
invoices_models.Invoice.objects.first().price)