old_contents: from django.test import Client, TestCase
  from django.urls import reverse
  
  from testapp.testmain import fixtures
  
  
  class ReceiptPDFTestCase(TestCase):
      def test_html_view(self):
          """Test the HTML generation view."""
          pdf = fixtures.ReceiptPDFFactory()
          fixtures.ReceiptValidationFactory(receipt=pdf.receipt)
  
          client = Client()
          response = client.get(
              reverse('receipt_html_view', args=(pdf.receipt.pk,))
          )
          self.assertContains(
              response,
              '<div class="client">\n<strong>Facturado a:</strong><br>\n'
              'John Doe,\nDNI\n33445566<br>\n'
              '12 Green Road<br />Greenville<br />UK<br>\n<br>\n\n</div>',
              html=True,
          )
  
      def test_pdf_view(self):
          """
          Test the PDF generation view.
          """
          taxpayer = fixtures.TaxPayerFactory()
  
          fixtures.TaxPayerProfileFactory(taxpayer=taxpayer)
          pdf = fixtures.ReceiptPDFFactory(
              receipt__point_of_sales__owner=taxpayer,
          )
          fixtures.ReceiptValidationFactory(receipt=pdf.receipt)
  
          client = Client()
          response = client.get(
              reverse('receipt_pdf_view', args=(pdf.receipt.pk,))
          )
  
          self.assertEqual(response.status_code, 200)
          self.assertEqual(response.content[:10], b'%PDF-1.5\n%')
  
          headers = sorted(response.serialize_headers().decode().splitlines())
          self.assertIn('Content-Type: application/pdf', headers)
          self.assertIn(
              'Content-Disposition: attachment; '
              'filename=receipt {}.pdf'.format(pdf.receipt.pk),
              headers
          )
  
new_contents: from django.test import Client, TestCase
  from django.urls import reverse
  
  from testapp.testmain import fixtures
  
  
  class ReceiptPDFTestCase(TestCase):
      def test_html_view(self):
          """Test the HTML generation view."""
          pdf = fixtures.ReceiptPDFFactory()
          fixtures.ReceiptValidationFactory(receipt=pdf.receipt)
  
          client = Client()
          response = client.get(
              reverse('receipt_html_view', args=(pdf.receipt.pk,))
          )
          self.assertContains(
              response,
              '<div class="client">\n'
              '<strong>Facturado a:</strong><br>\n'
              'John Doe,\n'
              'DNI\n33445566<br>\n'
              '12 Green Road<br />Greenville<br />UK<br>\n'
              'Condición de IVA: <br>\n'
              'Condición de Pago: \n</div>',
              html=True,
          )
  
      def test_pdf_view(self):
          """
          Test the PDF generation view.
          """
          taxpayer = fixtures.TaxPayerFactory()
  
          fixtures.TaxPayerProfileFactory(taxpayer=taxpayer)
          pdf = fixtures.ReceiptPDFFactory(
              receipt__point_of_sales__owner=taxpayer,
          )
          fixtures.ReceiptValidationFactory(receipt=pdf.receipt)
  
          client = Client()
          response = client.get(
              reverse('receipt_pdf_view', args=(pdf.receipt.pk,))
          )
  
          self.assertEqual(response.status_code, 200)
          self.assertEqual(response.content[:10], b'%PDF-1.5\n%')
  
          headers = sorted(response.serialize_headers().decode().splitlines())
          self.assertIn('Content-Type: application/pdf', headers)
          self.assertIn(
              'Content-Disposition: attachment; '
              'filename=receipt {}.pdf'.format(pdf.receipt.pk),
              headers
          )
  
subject: Update a view test broken due to recent changes