old_contents: from django.test import TestCase
  from django.test.utils import override_settings
  from django.core import mail
  from django.core.mail.backends.base import BaseEmailBackend
  from django.utils import translation
  
  from geotrek.feedback.factories import ReportFactory
  
  
  class FailingEmailBackend(BaseEmailBackend):
      """
      This Email Backend is used to test error management when sending email
      """
      def send_messages(self, email_messages):
          raise Exception('Fake problem')
  
  
  class EmailSendingTest(TestCase):
      def test_a_mail_is_sent_on_report_creation(self):
          ReportFactory.create()
          self.assertEqual(len(mail.outbox), 1)
  
      def test_a_mail_is_not_sent_on_report_modification(self):
          r = ReportFactory.create()
          self.assertEqual(len(mail.outbox), 1)
          r.comment = 'More info about it'
          r.save()
          self.assertEqual(len(mail.outbox), 1)
  
      @override_settings(EMAIL_BACKEND='geotrek.feedback.tests.FailingEmailBackend')
      def test_email_failure_does_not_prevent_report_creation(self):
          r = ReportFactory.create()
          self.assertEqual(len(mail.outbox), 0)
          self.assertIsNotNone(r.id)
  
      def test_email_format_and_content(self):
          ReportFactory.create(email='john.doe@nowhere.com',
                               comment="This is a 'comment'")
          sent_mail = mail.outbox[0]
          self.assertEqual(sent_mail.subject,
                           '[Geotrek] Feedback from john.doe@nowhere.com')
          self.assertIn("Comment : This is a 'comment'", sent_mail.body)
          self.assertIn("Lat : 46.500000 / Lon : 3.000000", sent_mail.body)
  
      def test_email_format_and_content_fr(self):
          ReportFactory.create(email='jacques.dupont@nulpart.com',
                               comment="Ceci est un commentaire")
          sent_mail = mail.outbox[0]
          self.assertEqual(sent_mail.subject,
                           '[Geotrek] Feedback from jacques.dupont@nulpart.com')
          self.assertIn("Comment : Ceci est un commentaire", sent_mail.body)
          self.assertIn("Lat : 46.500000 / Lon : 3.000000", sent_mail.body)
          self.assertIn("http://www.openstreetmap.org/?mlat=46.500000&mlon=3.000000", sent_mail.body)
  
new_contents: from django.test import TestCase
  from django.test.utils import override_settings
  from django.core import mail
  from django.core.mail.backends.base import BaseEmailBackend
  
  from geotrek.feedback.factories import ReportFactory
  
  
  class FailingEmailBackend(BaseEmailBackend):
      """
      This Email Backend is used to test error management when sending email
      """
      def send_messages(self, email_messages):
          raise Exception('Fake problem')
  
  
  class EmailSendingTest(TestCase):
      def test_a_mail_is_sent_on_report_creation(self):
          ReportFactory.create()
          self.assertEqual(len(mail.outbox), 1)
  
      def test_a_mail_is_not_sent_on_report_modification(self):
          r = ReportFactory.create()
          self.assertEqual(len(mail.outbox), 1)
          r.comment = 'More info about it'
          r.save()
          self.assertEqual(len(mail.outbox), 1)
  
      @override_settings(EMAIL_BACKEND='geotrek.feedback.tests.FailingEmailBackend')
      def test_email_failure_does_not_prevent_report_creation(self):
          r = ReportFactory.create()
          self.assertEqual(len(mail.outbox), 0)
          self.assertIsNotNone(r.id)
  
      def test_email_format_and_content(self):
          ReportFactory.create(email='john.doe@nowhere.com',
                               comment="This is a 'comment'")
          sent_mail = mail.outbox[0]
          self.assertEqual(sent_mail.subject,
                           '[Geotrek] Feedback from john.doe@nowhere.com')
          self.assertIn("Comment : This is a 'comment'", sent_mail.body)
          self.assertIn("Lat : 46.500000 / Lon : 3.000000", sent_mail.body)
  
      def test_email_format_and_content_fr(self):
          ReportFactory.create(email='jacques.dupont@nulpart.com',
                               comment="Ceci est un commentaire")
          sent_mail = mail.outbox[0]
          self.assertEqual(sent_mail.subject,
                           '[Geotrek] Feedback from jacques.dupont@nulpart.com')
          self.assertIn("Comment : Ceci est un commentaire", sent_mail.body)
          self.assertIn("Lat : 46.500000 / Lon : 3.000000", sent_mail.body)
          self.assertIn("http://www.openstreetmap.org/?mlat=46.500000&mlon=3.000000", sent_mail.body)
  
subject: Remove unused import