First version of the tests for the report model example

test_report.py

from django.core import mail
from django.test import TestCase
from reports.models.report import Report

class ReportTest(TestCase):
    def tearDown(self):
        Report.objects.all().delete()
        mail.outbox = []

    def test_create_report_and_send_by_email(self):
        info = # This is a dict with the information of the fake Report
        report = Report.objects.create(**info)

        # There shouldn't be emails in the outbox
        self.assertEqual(len(mail.outbox), 0)

        report.create_report_and_send_by_email(self)

        # There should be one email in the outbox
        self.assertEqual(len(mail.outbox), 1)