Tests

from django.test import TestCase

from catalog.models import Author

class AuthorModelTest(TestCase):
    @classmethod
    def setUpTestData(cls):
        # Set up non-modified objects used by all test methods
        Author.objects.create(first_name='Big', last_name='Bob')

    def test_object_name_is_last_name_comma_first_name(self):
        author = Author.objects.get(id=1)
        expected_object_name = f'{author.last_name}, {author.first_name}'
        self.assertEqual(str(author), expected_object_name)

    def test_get_absolute_url(self):
        author = Author.objects.get(id=1)
        # This will also fail if the urlconf is not defined.
        self.assertEqual(author.get_absolute_url(), '/catalog/author/1')

from django.test import TestCase
from django.urls import reverse

from catalog.models import Author

class AuthorListViewTest(TestCase):
    @classmethod
    def setUpTestData(cls):
        # Create 13 authors for pagination tests
        number_of_authors = 13

        for author_id in range(number_of_authors):
            Author.objects.create(
                first_name=f'Christian {author_id}',
                last_name=f'Surname {author_id}',
            )

    def test_view_url_exists_at_desired_location(self):
        response = self.client.get('/catalog/authors/')
        self.assertEqual(response.status_code, 200)

    def test_view_url_accessible_by_name(self):
        response = self.client.get(reverse('authors'))
        self.assertEqual(response.status_code, 200)

    def test_view_uses_correct_template(self):
        response = self.client.get(reverse('authors'))
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'catalog/author_list.html')

    def test_pagination_is_ten(self):
        response = self.client.get(reverse('authors'))
        self.assertEqual(response.status_code, 200)
        self.assertTrue('is_paginated' in response.context)
        self.assertTrue(response.context['is_paginated'] == True)
        self.assertEqual(len(response.context['author_list']), 10)

    def test_lists_all_authors(self):
        # Get second page and confirm it has (exactly) remaining 3 items
        response = self.client.get(reverse('authors')+'?page=2')
        self.assertEqual(response.status_code, 200)
        self.assertTrue('is_paginated' in response.context)
        self.assertTrue(response.context['is_paginated'] == True)
        self.assertEqual(len(response.context['author_list']), 3)

class AccesoUsuariosTest(TestCase):
    def setUp(self):
        # Create a user
        test_user1 = User.objects.create_user(username='testuser1', password='1X<ISRUkw+tuK')

        test_user1.save()

        # Create a book
        test_author = Author.objects.create(first_name='John', last_name='Smith')
        test_genre = Genre.objects.create(name='Fantasy')
        test_language = Language.objects.create(name='English')
        test_book = Book.objects.create(
            title='Book Title',
            summary='My book summary',
            isbn='ABCDEFG',
            author=test_author,
            language=test_language,
        )
    def test_redirect_if_not_logged_in(self):
        response = self.client.get(reverse('renew-book-librarian', kwargs={'pk': self.test_bookinstance1.pk}))
        # Manually check redirect (Can't use assertRedirect, because the redirect URL is unpredictable)
        self.assertEqual(response.status_code, 302)
        self.assertTrue(response.url.startswith('/accounts/login/'))

    def test_forbidden_if_logged_in_but_not_correct_permission(self):
        login = self.client.login(username='testuser1', password='1X<ISRUkw+tuK')
        response = self.client.get(reverse('renew-book-librarian', kwargs={'pk': self.test_bookinstance1.pk}))
        self.assertEqual(response.status_code, 403)

    def test_logged_in_with_permission_borrowed_book(self):
        login = self.client.login(username='testuser2', password='2HJ1vRV0Z&3iD')
        response = self.client.get(reverse('renew-book-librarian', kwargs={'pk': self.test_bookinstance2.pk}))

        # Check that it lets us login - this is our book and we have the right permissions.
        self.assertEqual(response.status_code, 200)

    def test_logged_in_with_permission_another_users_borrowed_book(self):
        login = self.client.login(username='testuser2', password='2HJ1vRV0Z&3iD')
        response = self.client.get(reverse('renew-book-librarian', kwargs={'pk': self.test_bookinstance1.pk}))

        # Check that it lets us login. We're a librarian, so we can view any users book
        self.assertEqual(response.status_code, 200)

>>> from django.test import Client
>>> c = Client()
>>> response = c.post('/login/', {'username': 'john', 'password': 'smith'})
>>> response.status_code
200
>>> response = c.get('/customer/details/')
>>> response.content
b'<!DOCTYPE html...'