1 files changed, 74 insertions, 0 deletions
diff --git a/tests/model_package/tests.py b/tests/model_package/tests.py
new file mode 100644
index 0000000000..5cf464858b
--- /dev/null
+++ b/tests/model_package/tests.py
@@ -0,0 +1,74 @@
+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'
+        )