django 2 (#74)

* also target django 2 in tests

* travis

* add on_delete to foreign keyed models

* fix last test

* version bump

.travis.yml

@@ -26,6 +26,7 @@ env:
     - TOX_ENV=py36-dj19
     - TOX_ENV=py36-dj110
     - TOX_ENV=py36-dj111
+    - TOX_ENV=py36-dj2
     - TOX_ENV=py36-djdev
 matrix:
   fast_finish: true

CHANGES.md

@@ -1,7 +1,16 @@
 Changelog
 =========
 
+2.1.0 (Jan 5th 2018)
+------------------
+
+### Official Support for Django 2.0.0
+
+- Support for Django 2.0.0.
+
+
 2.0.0 (Sep 10th 2017)
+------------------
 
 ### Small updates
 

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '2.0.0'
+version = '2.1.0'
 
 
 def get_requirements(file_path):
@@ -18,7 +18,7 @@ def get_requirements(file_path):
     url='https://github.com/JBKahn/django-sharding',
     packages=find_packages(),
     include_package_data=True,
-    install_requires=get_requirements('requirements/common.txt') + ["django>=1.8,<2.0.0"],
+    install_requires=get_requirements('requirements/common.txt') + ["django>=1.8,<2.0.1"],
     tests_require=get_requirements('requirements/development.txt'),
     license="BSD",
     zip_safe=False,

tests/models.py

@@ -85,9 +85,9 @@ class ShardStorageTable(ShardStorageModel):
 
 
 class ShardedByForiegnKeyModel(models.Model):
-    shard = ShardForeignKeyStorageField(ShardStorageTable, shard_group='default')
+    shard = ShardForeignKeyStorageField(ShardStorageTable, shard_group='default', on_delete=models.CASCADE)
     random_string = models.CharField(max_length=120)
-    test = models.ForeignKey(UnshardedTestModel)
+    test = models.ForeignKey(UnshardedTestModel, on_delete=models.CASCADE)
 
     def get_shard_key(self):
         return self.test.user_pk

tests/test_fields.py

@@ -4,6 +4,7 @@
 from django.conf import settings
 from django.db import connections
 from django.db.utils import DataError, IntegrityError
+from django.db.models import CASCADE
 from django.test import TestCase
 from django.utils.six.moves import xrange
 
@@ -170,7 +171,7 @@ def get_shard_key(self):
 
 class ShardForeignKeyStorageFieldTestCase(TestCase):
     def test_pre_save_calls_save_shard(self):
-        sut = ShardForeignKeyStorageField(ShardStorageTable, shard_group='default')
+        sut = ShardForeignKeyStorageField(ShardStorageTable, shard_group='default', on_delete=CASCADE)
         model_instance = object()
         with patch.object(sut, 'save_shard') as mock_save_shard:
             with self.assertRaises(Exception):

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
   py27-dj{18,19,110,111,dev}
-  py36-dj{18,19,110,111,dev}
+  py36-dj{18,19,110,111,2,dev}
 
 [testenv]
 passenv=
@@ -23,6 +23,7 @@ deps =
   dj19: Django>=1.9,<1.10
   dj110: Django>=1.10,<1.11
   dj111: Django>=1.11,<1.12
+  dj2: Django>=2.0.0,<2.0.1
   djdev: https://github.com/django/django/archive/master.tar.gz
 commands=
   coverage run --source=django_sharding,django_sharding_library -a setup.py test