uncloud-mravi/uncloud_django_based/uncloud/uncloud_pay/tests.py

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from django.test import TestCase
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from django.contrib.auth import get_user_model
from datetime import datetime, date, timedelta
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from .models import *
from uncloud_service.models import GenericServiceProduct
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class BillingTestCase(TestCase):
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def setUp(self):
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self.user = get_user_model().objects.create(
username='jdoe',
email='john.doe@domain.tld')
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def test_basic_monthly_billing(self):
one_time_price = 10
recurring_price = 20
description = "Test Product 1"
# Three months: full, full, partial.
starting_date = datetime.fromisoformat('2020-03-01')
ending_date = datetime.fromisoformat('2020-05-08')
# Create order to be billed.
order = Order.objects.create(
owner=self.user,
starting_date=starting_date,
ending_date=ending_date,
recurring_period=RecurringPeriod.PER_MONTH)
order.add_record(one_time_price, recurring_price, description)
# Generate & check bill for first month: full recurring_price + setup.
first_month_bills = order.bills # Initial bill generated at order creation.
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self.assertEqual(len(first_month_bills), 1)
self.assertEqual(first_month_bills[0].total, one_time_price + recurring_price)
# Generate & check bill for second month: full recurring_price.
second_month_bills = Bill.generate_for(2020, 4, self.user)
self.assertEqual(len(second_month_bills), 1)
self.assertEqual(second_month_bills[0].total, recurring_price)
# Generate & check bill for third and last month: partial recurring_price.
third_month_bills = Bill.generate_for(2020, 5, self.user)
self.assertEqual(len(third_month_bills), 1)
# 31 days in May.
self.assertEqual(float(third_month_bills[0].total),
round((7/31) * recurring_price, AMOUNT_DECIMALS))
# Check that running Bill.generate_for() twice does not create duplicates.
self.assertEqual(len(Bill.generate_for(2020, 3, self.user)), 0)
def test_basic_yearly_billing(self):
one_time_price = 10
recurring_price = 150
description = "Test Product 1"
starting_date = datetime.fromisoformat('2020-03-31T08:05:23')
# Create order to be billed.
order = Order.objects.create(
owner=self.user,
starting_date=starting_date,
recurring_period=RecurringPeriod.PER_YEAR)
order.add_record(one_time_price, recurring_price, description)
# Generate & check bill for first year: recurring_price + setup.
first_year_bills = order.bills # Initial bill generated at order creation.
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self.assertEqual(len(first_year_bills), 1)
self.assertEqual(first_year_bills[0].starting_date.date(),
date.fromisoformat('2020-03-31'))
self.assertEqual(first_year_bills[0].ending_date.date(),
date.fromisoformat('2021-03-30'))
self.assertEqual(first_year_bills[0].total,
recurring_price + one_time_price)
# Generate & check bill for second year: recurring_price.
second_year_bills = Bill.generate_for(2021, 3, self.user)
self.assertEqual(len(second_year_bills), 1)
self.assertEqual(second_year_bills[0].starting_date.date(),
date.fromisoformat('2021-03-31'))
self.assertEqual(second_year_bills[0].ending_date.date(),
date.fromisoformat('2022-03-30'))
self.assertEqual(second_year_bills[0].total, recurring_price)
# Check that running Bill.generate_for() twice does not create duplicates.
self.assertEqual(len(Bill.generate_for(2020, 3, self.user)), 0)
self.assertEqual(len(Bill.generate_for(2020, 4, self.user)), 0)
self.assertEqual(len(Bill.generate_for(2020, 2, self.user)), 0)
self.assertEqual(len(Bill.generate_for(2021, 3, self.user)), 0)
def test_basic_hourly_billing(self):
one_time_price = 10
recurring_price = 1.4
description = "Test Product 1"
starting_date = datetime.fromisoformat('2020-03-31T08:05:23')
ending_date = datetime.fromisoformat('2020-04-01T11:13:32')
# Create order to be billed.
order = Order.objects.create(
owner=self.user,
starting_date=starting_date,
ending_date=ending_date,
recurring_period=RecurringPeriod.PER_HOUR)
order.add_record(one_time_price, recurring_price, description)
# Generate & check bill for first month: recurring_price + setup.
first_month_bills = order.bills
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self.assertEqual(len(first_month_bills), 1)
self.assertEqual(float(first_month_bills[0].total),
round(16 * recurring_price, AMOUNT_DECIMALS) + one_time_price)
# Generate & check bill for first month: recurring_price.
second_month_bills = Bill.generate_for(2020, 4, self.user)
self.assertEqual(len(second_month_bills), 1)
self.assertEqual(float(second_month_bills[0].total),
round(12 * recurring_price, AMOUNT_DECIMALS))
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class ProductActivationTestCase(TestCase):
def setUp(self):
self.user = get_user_model().objects.create(
username='jdoe',
email='john.doe@domain.tld')
def test_product_activation(self):
starting_date = datetime.fromisoformat('2020-03-01')
order = Order.objects.create(
owner=self.user,
starting_date=starting_date,
recurring_period=RecurringPeriod.PER_MONTH)
order.save()
product = GenericServiceProduct(
custom_description="Test product",
custom_one_time_price=0,
custom_recurring_price=20,
owner=self.user,
order=order)
product.save()
# XXX: to be automated.
order.add_record(product.one_time_price, product.recurring_price(), product.description)
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# Validate initial state: must be awaiting payment.
self.assertEqual(product.status, UncloudStatus.AWAITING_PAYMENT)
# Pay initial bill, check that product is activated.
amount = product.order.bills[0].total
payment = Payment(owner=self.user, amount=amount)
payment.save()
self.assertEqual(
GenericServiceProduct.objects.get(uuid=product.uuid).status,
UncloudStatus.PENDING
)