def test_process_pending_data_download(self):
        """management command processes pending data download"""
        data_download = request_user_data_download(self.user)
        self.assertEqual(data_download.status, DataDownload.STATUS_PENDING)

        out = StringIO()
        call_command(prepareuserdatadownloads.Command(), stdout=out)
        command_output = out.getvalue().splitlines()[0].strip()

        self.assertEqual(command_output, "Data downloads prepared: 1")

        updated_data_download = DataDownload.objects.get(pk=data_download.pk)
        self.assertEqual(updated_data_download.status,
                         DataDownload.STATUS_READY)
        self.assertTrue(
            updated_data_download.expires_on > data_download.expires_on)
        self.assertTrue(updated_data_download.file)

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].subject,
                         "TestUser, your data download is ready")

        absolute_url = ''.join([
            settings.MISAGO_ADDRESS.rstrip('/'), updated_data_download.file.url
        ])
        self.assertIn(absolute_url, mail.outbox[0].body)
    def test_skip_expired_data_download(self):
        """management command skips expired data download"""
        data_download = request_user_data_download(self.user)
        data_download.status = DataDownload.STATUS_EXPIRED
        data_download.save()

        out = StringIO()
        call_command(prepareuserdatadownloads.Command(), stdout=out)
        command_output = out.getvalue().splitlines()[0].strip()

        self.assertEqual(command_output, "Data downloads prepared: 0")

        updated_data_download = DataDownload.objects.get(pk=data_download.pk)
        self.assertEqual(updated_data_download.status, DataDownload.STATUS_EXPIRED)
        
        self.assertEqual(len(mail.outbox), 0)