Added database migration for contrib.contenttypes.

Moved contenttypes tests to allow them to run correctly in the presence of
migrations. refs #22170.

django/contrib/contenttypes/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ContentType',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('name', models.CharField(max_length=100)),
+                ('app_label', models.CharField(max_length=100)),
+                ('model', models.CharField(max_length=100, verbose_name='python model class name')),
+            ],
+            options={
+                'ordering': ('name',),
+                'db_table': 'django_content_type',
+                'verbose_name': 'content type',
+                'verbose_name_plural': 'content types',
+            },
+            bases=(models.Model,),
+        ),
+        migrations.AlterUniqueTogether(
+            name='contenttype',
+            unique_together=set([('app_label', 'model')]),
+        ),
+    ]

django/contrib/contenttypes/models.py

+from __future__ import unicode_literals
+
 from django.apps import apps
 from django.db import models
 from django.utils.translation import ugettext_lazy as _

django/contrib/contenttypes/tests/models.py

+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+from django.utils.http import urlquote
+
+
+class ConcreteModel(models.Model):
+    name = models.CharField(max_length=10)
+
+
+class ProxyModel(ConcreteModel):
+    class Meta:
+        proxy = True
+
+
+@python_2_unicode_compatible
+class FooWithoutUrl(models.Model):
+    """
+    Fake model not defining ``get_absolute_url`` for
+    ContentTypesTests.test_shortcut_view_without_get_absolute_url()
+    """
+    name = models.CharField(max_length=30, unique=True)
+
+    def __str__(self):
+        return self.name
+
+
+class FooWithUrl(FooWithoutUrl):
+    """
+    Fake model defining ``get_absolute_url`` for
+    ContentTypesTests.test_shortcut_view().
+    """
+
+    def get_absolute_url(self):
+        return "/users/%s/" % urlquote(self.name)
+
+
+class FooWithBrokenAbsoluteUrl(FooWithoutUrl):
+    """
+    Fake model defining a ``get_absolute_url`` method containing an error
+    """
+
+    def get_absolute_url(self):
+        return "/users/%s/" % self.unknown_field

django/contrib/contenttypes/tests.py → django/contrib/contenttypes/tests/tests.py

@@ -3,51 +3,11 @@ from __future__ import unicode_literals
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes.views import shortcut
 from django.contrib.sites.shortcuts import get_current_site
-from django.db import models
 from django.http import HttpRequest, Http404
 from django.test import TestCase, override_settings
-from django.utils.http import urlquote
 from django.utils import six
-from django.utils.encoding import python_2_unicode_compatible
 
-
-class ConcreteModel(models.Model):
-    name = models.CharField(max_length=10)
-
-
-class ProxyModel(ConcreteModel):
-    class Meta:
-        proxy = True
-
-
-@python_2_unicode_compatible
-class FooWithoutUrl(models.Model):
-    """
-    Fake model not defining ``get_absolute_url`` for
-    :meth:`ContentTypesTests.test_shortcut_view_without_get_absolute_url`"""
-    name = models.CharField(max_length=30, unique=True)
-
-    def __str__(self):
-        return self.name
-
-
-class FooWithUrl(FooWithoutUrl):
-    """
-    Fake model defining ``get_absolute_url`` for
-    :meth:`ContentTypesTests.test_shortcut_view`
-    """
-
-    def get_absolute_url(self):
-        return "/users/%s/" % urlquote(self.name)
-
-
-class FooWithBrokenAbsoluteUrl(FooWithoutUrl):
-    """
-    Fake model defining a ``get_absolute_url`` method containing an error
-    """
-
-    def get_absolute_url(self):
-        return "/users/%s/" % self.unknown_field
+from .models import ConcreteModel, ProxyModel, FooWithoutUrl, FooWithUrl, FooWithBrokenAbsoluteUrl
 
 
 class ContentTypesTests(TestCase):

tests/migrations/test_loader.py

@@ -77,7 +77,7 @@ class LoaderTests(TestCase):
         )
 
         # Ensure we've included unmigrated apps in there too
-        self.assertIn("contenttypes", project_state.real_apps)
+        self.assertIn("auth", project_state.real_apps)
 
     @override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations_unmigdep"})
     def test_load_unmigrated_dependency(self):

tests/runtests.py

@@ -128,6 +128,11 @@ def setup(verbosity, test_labels):
     settings.MIDDLEWARE_CLASSES = ALWAYS_MIDDLEWARE_CLASSES
     # Ensure the middleware classes are seen as overridden otherwise we get a compatibility warning.
     settings._explicit_settings.add('MIDDLEWARE_CLASSES')
+    settings.MIGRATION_MODULES = {
+        # this module doesn't actually exist, but this lets us skip creating
+        # migrations for the test modules for some reason.
+        'contenttypes': 'django.contrib.contenttypes.tests.migrations',
+    }
 
     if verbosity > 0:
         # Ensure any warnings captured to logging are piped through a verbose