django1/tests/modeltests/model_package/tests.py

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from __future__ import absolute_import
from django.contrib.sites.models import Site
from django.db import models
from django.test import TestCase
from .models.publication import Publication
from .models.article import Article
class Advertisment(models.Model):
customer = models.CharField(max_length=100)
publications = models.ManyToManyField(
"model_package.Publication", null=True, blank=True
)
class Meta:
app_label = 'model_package'
class ModelPackageTests(TestCase):
def test_model_packages(self):
p = Publication.objects.create(title="FooBar")
current_site = Site.objects.get_current()
self.assertEqual(current_site.domain, "example.com")
# Regression for #12168: models split into subpackages still get M2M
# tables
a = Article.objects.create(headline="a foo headline")
a.publications.add(p)
a.sites.add(current_site)
a = Article.objects.get(id=a.pk)
self.assertEqual(a.id, a.pk)
self.assertEqual(a.sites.count(), 1)
# Regression for #12245 - Models can exist in the test package, too
ad = Advertisment.objects.create(customer="Lawrence Journal-World")
ad.publications.add(p)
ad = Advertisment.objects.get(id=ad.pk)
self.assertEqual(ad.publications.count(), 1)
# Regression for #12386 - field names on the autogenerated intermediate
# class that are specified as dotted strings don't retain any path
# component for the field or column name
self.assertEqual(
Article.publications.through._meta.fields[1].name, 'article'
)
self.assertEqual(
Article.publications.through._meta.fields[1].get_attname_column(),
('article_id', 'article_id')
)
self.assertEqual(
Article.publications.through._meta.fields[2].name, 'publication'
)
self.assertEqual(
Article.publications.through._meta.fields[2].get_attname_column(),
('publication_id', 'publication_id')
)
# The oracle backend truncates the name to 'model_package_article_publ233f'.
self.assertTrue(
Article._meta.get_field('publications').m2m_db_table() in ('model_package_article_publications', 'model_package_article_publ233f')
)
self.assertEqual(
Article._meta.get_field('publications').m2m_column_name(), 'article_id'
)
self.assertEqual(
Article._meta.get_field('publications').m2m_reverse_name(),
'publication_id'
)