79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
from __future__ import unicode_literals
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from django.db import connection, models
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from django.db.backends.utils import truncate_name
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from django.test import TestCase
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from .models.article import Article, Site
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from .models.publication import Publication
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class Advertisement(models.Model):
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customer = models.CharField(max_length=100)
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publications = models.ManyToManyField("model_package.Publication", blank=True)
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class ModelPackageTests(TestCase):
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def test_m2m_tables_in_subpackage_models(self):
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"""
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Regression for #12168: models split into subpackages still get M2M
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tables.
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"""
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p = Publication.objects.create(title="FooBar")
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site = Site.objects.create(name="example.com")
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a = Article.objects.create(headline="a foo headline")
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a.publications.add(p)
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a.sites.add(site)
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a = Article.objects.get(id=a.pk)
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self.assertEqual(a.id, a.pk)
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self.assertEqual(a.sites.count(), 1)
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def test_models_in_the_test_package(self):
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"""
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Regression for #12245 - Models can exist in the test package, too.
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"""
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p = Publication.objects.create(title="FooBar")
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ad = Advertisement.objects.create(customer="Lawrence Journal-World")
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ad.publications.add(p)
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ad = Advertisement.objects.get(id=ad.pk)
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self.assertEqual(ad.publications.count(), 1)
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def test_automatic_m2m_column_names(self):
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"""
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Regression for #12386 - field names on the autogenerated intermediate
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class that are specified as dotted strings don't retain any path
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component for the field or column name.
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"""
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self.assertEqual(
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Article.publications.through._meta.fields[1].name, 'article'
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)
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self.assertEqual(
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Article.publications.through._meta.fields[1].get_attname_column(),
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('article_id', 'article_id')
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)
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self.assertEqual(
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Article.publications.through._meta.fields[2].name, 'publication'
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)
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self.assertEqual(
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Article.publications.through._meta.fields[2].get_attname_column(),
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('publication_id', 'publication_id')
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)
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self.assertEqual(
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Article._meta.get_field('publications').m2m_db_table(),
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truncate_name('model_package_article_publications', connection.ops.max_name_length()),
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)
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self.assertEqual(
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Article._meta.get_field('publications').m2m_column_name(), 'article_id'
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)
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self.assertEqual(
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Article._meta.get_field('publications').m2m_reverse_name(),
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'publication_id'
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)
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