Mastering Django: Core

Creating a test

When you created your books app with Django's startapp command, it created a file called tests.py in your app directory. This is where any tests for the books app should go. So let's get right to it and write a test:

import datetime 
from django.utils import timezone 
from django.test import TestCase 
from .models import Book 
 
class BookMethodTests(TestCase): 
 
    def test_recent_pub(self): 
""" 
        recent_publication() should return False for future publication  
        dates. 
        """ 
 
        futuredate = timezone.now().date() + datetime.timedelta(days=5) 
        future_pub = Book(publication_date=futuredate) 
        self.assertEqual(future_pub.recent_publication(), False) 

This should all be pretty straight forward as it's nearly exactly what we did in the Django shell, the only ...