Add simple product activation test

uncloud_django_based/uncloud/uncloud_pay/tests.py

@@ -3,6 +3,7 @@ from django.contrib.auth import get_user_model
 from datetime import datetime, date, timedelta
 
 from .models import *
+from ungleich_service.models import GenericServiceProduct
 
 class BillingTestCase(TestCase):
     def setUp(self):
@@ -10,9 +11,6 @@ class BillingTestCase(TestCase):
                 username='jdoe',
                 email='john.doe@domain.tld')
 
-    def test_truth(self):
-        self.assertEqual(1+1, 2)
-
     def test_basic_monthly_billing(self):
         one_time_price = 10
         recurring_price = 20
@@ -116,3 +114,41 @@ class BillingTestCase(TestCase):
         self.assertEqual(len(second_month_bills), 1)
         self.assertEqual(float(second_month_bills[0].total),
                 round(12 * recurring_price, AMOUNT_DECIMALS))
+
+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)
+
+        # 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
+                )