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Code Issues 32 Releases Wiki Activity

Refs #21127 -- Required on_delete for ForeignKey/OneToOneField.

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Per deprecation timeline.
This commit is contained in:
Tim Graham
2016-12-30 17:50:05 -05:00
parent 625e9da9ca
commit ddd3268975
4 changed files with 5 additions and 143 deletions
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87
tests/invalid_models_tests/test_relative_fields.py
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@@ -1,17 +1,12 @@
# -*- encoding: utf-8 -*-
from __future__ import unicode_literals
import warnings
from django.core.checks import Error, Warning as DjangoWarning
from django.db import models
from django.db.models.fields.related import ForeignObject
from django.test import ignore_warnings
from django.test.testcases import SimpleTestCase, skipIfDBFeature
from django.test.utils import isolate_apps, override_settings
from django.utils import six
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.version import get_docs_version
@isolate_apps('invalid_models_tests')
@@ -29,88 +24,6 @@ class RelativeFieldTests(SimpleTestCase):
errors = field.check()
self.assertEqual(errors, [])
@ignore_warnings(category=RemovedInDjango20Warning)
def test_valid_foreign_key_without_on_delete(self):
class Target(models.Model):
model = models.IntegerField()
class Model(models.Model):
field = models.ForeignKey(Target, related_name='+')
def test_foreign_key_without_on_delete_warning(self):
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always') # prevent warnings from appearing as errors
class Target(models.Model):
model = models.IntegerField()
class Model(models.Model):
field = models.ForeignKey(Target, related_name='+')
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
'on_delete will be a required arg for ForeignKey in Django '
'2.0. Set it to models.CASCADE on models and in existing '
'migrations if you want to maintain the current default '
'behavior. See https://docs.djangoproject.com/en/%s/ref/models/fields/'
'#django.db.models.ForeignKey.on_delete' % get_docs_version(),
)
def test_foreign_key_to_field_as_arg(self):
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always') # prevent warnings from appearing as errors
class Target(models.Model):
model = models.IntegerField()
class Model(models.Model):
field = models.ForeignKey(Target, 'id')
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
"The signature for ForeignKey will change in Django 2.0. "
"Pass to_field='id' as a kwarg instead of as an arg."
)
def test_one_to_one_field_without_on_delete_warning(self):
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always') # prevent warnings from appearing as errors
class Target(models.Model):
model = models.IntegerField()
class Model(models.Model):
field = models.OneToOneField(Target, related_name='+')
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
'on_delete will be a required arg for OneToOneField in Django '
'2.0. Set it to models.CASCADE on models and in existing '
'migrations if you want to maintain the current default '
'behavior. See https://docs.djangoproject.com/en/%s/ref/models/fields/'
'#django.db.models.ForeignKey.on_delete' % get_docs_version(),
)
def test_one_to_one_field_to_field_as_arg(self):
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always') # prevent warnings from appearing as errors
class Target(models.Model):
model = models.IntegerField()
class Model(models.Model):
field = models.OneToOneField(Target, 'id')
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
"The signature for OneToOneField will change in Django 2.0. "
"Pass to_field='id' as a kwarg instead of as an arg."
)
def test_foreign_key_to_missing_model(self):
# Model names are resolved when a model is being created, so we cannot
# test relative fields in isolation and we need to attach them to a