text: from mock import Mock, patch
  from unittest import skipIf
  
  from django.core import mail
  from django.utils.timezone import now
  from hc.payments.models import Subscription
  from hc.test import BaseTestCase
  
  try:
      import reportlab
  except ImportError:
      reportlab = None
  
  
  class ChargeWebhookTestCase(BaseTestCase):
  
      def setUp(self):
          super(ChargeWebhookTestCase, self).setUp()
          self.sub = Subscription(user=self.alice)
          self.sub.subscription_id = "test-id"
          self.sub.customer_id = "test-customer-id"
          self.sub.send_invoices = True
          self.sub.save()
  
          self.tx = Mock()
          self.tx.id = "abc123"
          self.tx.customer_details.id = "test-customer-id"
          self.tx.created_at = now()
          self.tx.currency_iso_code = "USD"
          self.tx.amount = 5
          self.tx.subscription_details.billing_period_start_date = now()
          self.tx.subscription_details.billing_period_end_date = now()
  
      @skipIf(reportlab is None, "reportlab not installed")
      @patch("hc.payments.views.Subscription.objects.by_braintree_webhook")
      def test_it_works(self, mock_getter):
          mock_getter.return_value = self.sub, self.tx
  
          r = self.client.post("/pricing/charge/")
          self.assertEqual(r.status_code, 200)
  
          # See if email was sent
          self.assertEqual(len(mail.outbox), 1)
          msg = mail.outbox[0]
          self.assertEqual(msg.subject, "Invoice from Mychecks")
          self.assertEqual(msg.to, ["alice@example.org"])
          self.assertEqual(msg.attachments[0][0], "MS-HC-ABC123.pdf")
  
      @patch("hc.payments.views.Subscription.objects.by_braintree_webhook")
      def test_it_obeys_send_invoices_flag(self, mock_getter):
          mock_getter.return_value = self.sub, self.tx
  
          self.sub.send_invoices = False
          self.sub.save()
  
          r = self.client.post("/pricing/charge/")
          self.assertEqual(r.status_code, 200)
  
          # It should not send the email
          self.assertEqual(len(mail.outbox), 0)
  
      @skipIf(reportlab is None, "reportlab not installed")
      @patch("hc.payments.views.Subscription.objects.by_braintree_webhook")
      def test_it_uses_invoice_email(self, mock_getter):
          mock_getter.return_value = self.sub, self.tx
  
          self.sub.invoice_email = "alices_accountant@example.org"
          self.sub.save()
  
          r = self.client.post("/pricing/charge/")
          self.assertEqual(r.status_code, 200)
  
          # See if the email was sent to Alice's accountant:
          self.assertEqual(len(mail.outbox), 1)
          self.assertEqual(mail.outbox[0].to, ["alices_accountant@example.org"])
  