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Fixed #21127 -- Started deprecation toward requiring on_delete for ForeignKey/OneToOneField
This commit is contained in:
Flavio Curella
Tim Graham
parent
87d55081ea
commit
c2e70f0265
176 changed files with 1525 additions and 1008 deletions
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@ -1,11 +1,16 @@
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# -*- encoding: utf-8 -*-
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from __future__ import unicode_literals
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import warnings
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from django.core.checks import Error, Warning as DjangoWarning
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from django.db import models
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from django.test import ignore_warnings
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from django.test.testcases import skipIfDBFeature
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from django.test.utils import override_settings
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from django.utils import six
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from django.utils.deprecation import RemovedInDjango20Warning
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from django.utils.version import get_docs_version
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from .base import IsolatedModelsTestCase
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@ -18,18 +23,100 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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model = models.IntegerField()
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class Model(models.Model):
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field = models.ForeignKey(Target, related_name='+')
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field = models.ForeignKey(Target, models.CASCADE, related_name='+')
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field = Model._meta.get_field('field')
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errors = field.check()
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self.assertEqual(errors, [])
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@ignore_warnings(category=RemovedInDjango20Warning)
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def test_valid_foreign_key_without_on_delete(self):
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class Target(models.Model):
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model = models.IntegerField()
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class Model(models.Model):
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field = models.ForeignKey(Target, related_name='+')
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def test_foreign_key_without_on_delete_warning(self):
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with warnings.catch_warnings(record=True) as warns:
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warnings.simplefilter('always') # prevent warnings from appearing as errors
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class Target(models.Model):
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model = models.IntegerField()
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class Model(models.Model):
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field = models.ForeignKey(Target, related_name='+')
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self.assertEqual(len(warns), 1)
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self.assertEqual(
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str(warns[0].message),
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'on_delete will be a required arg for ForeignKey in Django '
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'2.0. Set it to models.CASCADE if you want to maintain the '
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'current default behavior. See '
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'https://docs.djangoproject.com/en/%s/ref/models/fields/'
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'#django.db.models.ForeignKey.on_delete' % get_docs_version(),
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)
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def test_foreign_key_to_field_as_arg(self):
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with warnings.catch_warnings(record=True) as warns:
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warnings.simplefilter('always') # prevent warnings from appearing as errors
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class Target(models.Model):
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model = models.IntegerField()
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class Model(models.Model):
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field = models.ForeignKey(Target, 'id')
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self.assertEqual(len(warns), 1)
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self.assertEqual(
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str(warns[0].message),
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"The signature for ForeignKey will change in Django 2.0. "
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"Pass to_field='id' as a kwarg instead of as an arg."
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)
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def test_one_to_one_field_without_on_delete_warning(self):
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with warnings.catch_warnings(record=True) as warns:
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warnings.simplefilter('always') # prevent warnings from appearing as errors
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class Target(models.Model):
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model = models.IntegerField()
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class Model(models.Model):
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field = models.OneToOneField(Target, related_name='+')
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self.assertEqual(len(warns), 1)
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self.assertEqual(
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str(warns[0].message),
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'on_delete will be a required arg for OneToOneField in Django '
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'2.0. Set it to models.CASCADE if you want to maintain the '
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'current default behavior. See '
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'https://docs.djangoproject.com/en/%s/ref/models/fields/'
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'#django.db.models.ForeignKey.on_delete' % get_docs_version(),
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)
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def test_one_to_one_field_to_field_as_arg(self):
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with warnings.catch_warnings(record=True) as warns:
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warnings.simplefilter('always') # prevent warnings from appearing as errors
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class Target(models.Model):
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model = models.IntegerField()
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class Model(models.Model):
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field = models.OneToOneField(Target, 'id')
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self.assertEqual(len(warns), 1)
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self.assertEqual(
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str(warns[0].message),
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"The signature for OneToOneField will change in Django 2.0. "
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"Pass to_field='id' as a kwarg instead of as an arg."
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)
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def test_foreign_key_to_missing_model(self):
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# Model names are resolved when a model is being created, so we cannot
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# test relative fields in isolation and we need to attach them to a
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# model.
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class Model(models.Model):
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foreign_key = models.ForeignKey('Rel1')
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foreign_key = models.ForeignKey('Rel1', models.CASCADE)
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field = Model._meta.get_field('foreign_key')
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errors = field.check()
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@ -101,9 +188,9 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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class AmbiguousRelationship(models.Model):
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# Too much foreign keys to Person.
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first_person = models.ForeignKey(Person, related_name="first")
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second_person = models.ForeignKey(Person, related_name="second")
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second_model = models.ForeignKey(Group)
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first_person = models.ForeignKey(Person, models.CASCADE, related_name="first")
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second_person = models.ForeignKey(Person, models.CASCADE, related_name="second")
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second_model = models.ForeignKey(Group, models.CASCADE)
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field = Group._meta.get_field('field')
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errors = field.check(from_model=Group)
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@ -135,8 +222,8 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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through="InvalidRelationship")
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class InvalidRelationship(models.Model):
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person = models.ForeignKey(Person)
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wrong_foreign_key = models.ForeignKey(WrongModel)
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person = models.ForeignKey(Person, models.CASCADE)
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wrong_foreign_key = models.ForeignKey(WrongModel, models.CASCADE)
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# The last foreign key should point to Group model.
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field = Group._meta.get_field('members')
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@ -162,7 +249,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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through="InvalidRelationship")
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class InvalidRelationship(models.Model):
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group = models.ForeignKey(Group)
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group = models.ForeignKey(Group, models.CASCADE)
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# No foreign key to Person
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field = Group._meta.get_field('members')
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@ -206,8 +293,8 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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friends = models.ManyToManyField('self', through="Relationship")
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class Relationship(models.Model):
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first = models.ForeignKey(Person, related_name="rel_from_set")
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second = models.ForeignKey(Person, related_name="rel_to_set")
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first = models.ForeignKey(Person, models.CASCADE, related_name="rel_from_set")
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second = models.ForeignKey(Person, models.CASCADE, related_name="rel_to_set")
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field = Person._meta.get_field('friends')
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errors = field.check(from_model=Person)
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@ -227,9 +314,9 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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through="InvalidRelationship", symmetrical=False)
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class InvalidRelationship(models.Model):
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first = models.ForeignKey(Person, related_name="rel_from_set_2")
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second = models.ForeignKey(Person, related_name="rel_to_set_2")
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third = models.ForeignKey(Person, related_name="too_many_by_far")
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first = models.ForeignKey(Person, models.CASCADE, related_name="rel_from_set_2")
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second = models.ForeignKey(Person, models.CASCADE, related_name="rel_to_set_2")
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third = models.ForeignKey(Person, models.CASCADE, related_name="too_many_by_far")
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field = Person._meta.get_field('friends')
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errors = field.check(from_model=Person)
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@ -254,8 +341,8 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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through="Relationship", symmetrical=True)
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class Relationship(models.Model):
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first = models.ForeignKey(Person, related_name="rel_from_set")
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second = models.ForeignKey(Person, related_name="rel_to_set")
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first = models.ForeignKey(Person, models.CASCADE, related_name="rel_from_set")
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second = models.ForeignKey(Person, models.CASCADE, related_name="rel_to_set")
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field = Person._meta.get_field('friends')
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errors = field.check(from_model=Person)
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@ -279,9 +366,9 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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through_fields=('first', 'second'))
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class Relationship(models.Model):
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first = models.ForeignKey(Person, related_name="rel_from_set")
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second = models.ForeignKey(Person, related_name="rel_to_set")
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referee = models.ForeignKey(Person, related_name="referred")
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first = models.ForeignKey(Person, models.CASCADE, related_name="rel_from_set")
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second = models.ForeignKey(Person, models.CASCADE, related_name="rel_to_set")
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referee = models.ForeignKey(Person, models.CASCADE, related_name="referred")
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field = Person._meta.get_field('friends')
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errors = field.check(from_model=Person)
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@ -297,7 +384,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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def test_foreign_key_to_abstract_model(self):
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class Model(models.Model):
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foreign_key = models.ForeignKey('AbstractModel')
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foreign_key = models.ForeignKey('AbstractModel', models.CASCADE)
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class AbstractModel(models.Model):
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class Meta:
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@ -361,7 +448,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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bad = models.IntegerField() # No unique=True
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class Model(models.Model):
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foreign_key = models.ForeignKey('Target', to_field='bad')
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foreign_key = models.ForeignKey('Target', models.CASCADE, to_field='bad')
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field = Model._meta.get_field('foreign_key')
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errors = field.check()
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@ -380,7 +467,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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bad = models.IntegerField()
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class Model(models.Model):
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field = models.ForeignKey(Target, to_field='bad')
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field = models.ForeignKey(Target, models.CASCADE, to_field='bad')
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field = Model._meta.get_field('field')
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errors = field.check()
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@ -405,6 +492,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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person_city_id = models.IntegerField()
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person = models.ForeignObject(Person,
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on_delete=models.CASCADE,
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from_fields=['person_country_id', 'person_city_id'],
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to_fields=['country_id', 'city_id'])
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@ -426,8 +514,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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pass
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class Model(models.Model):
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foreign_key = models.ForeignKey('Person',
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on_delete=models.SET_NULL)
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foreign_key = models.ForeignKey('Person', models.SET_NULL)
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field = Model._meta.get_field('foreign_key')
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errors = field.check()
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@ -446,8 +533,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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pass
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class Model(models.Model):
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foreign_key = models.ForeignKey('Person',
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on_delete=models.SET_DEFAULT)
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foreign_key = models.ForeignKey('Person', models.SET_DEFAULT)
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field = Model._meta.get_field('foreign_key')
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errors = field.check()
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@ -487,8 +573,10 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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class Model(models.Model):
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explicit_fk = models.ForeignKey(SwappableModel,
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models.CASCADE,
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related_name='explicit_fk')
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implicit_fk = models.ForeignKey('invalid_models_tests.SwappableModel',
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models.CASCADE,
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related_name='implicit_fk')
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explicit_m2m = models.ManyToManyField(SwappableModel,
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related_name='explicit_m2m')
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@ -519,8 +607,10 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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class Model(models.Model):
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explicit_fk = models.ForeignKey(SwappedModel,
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models.CASCADE,
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related_name='explicit_fk')
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implicit_fk = models.ForeignKey('invalid_models_tests.SwappedModel',
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models.CASCADE,
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related_name='implicit_fk')
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explicit_m2m = models.ManyToManyField(SwappedModel,
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related_name='explicit_m2m')
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@ -572,7 +662,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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for invalid_related_name in invalid_related_names:
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Child = type(str('Child_%s') % str(invalid_related_name), (models.Model,), {
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'parent': models.ForeignKey('Parent', related_name=invalid_related_name),
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'parent': models.ForeignKey('Parent', models.CASCADE, related_name=invalid_related_name),
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'__module__': Parent.__module__,
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})
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@ -613,7 +703,7 @@ class RelativeFieldTests(IsolatedModelsTestCase):
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for related_name in related_names:
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Child = type(str('Child_%s') % str(related_name), (models.Model,), {
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'parent': models.ForeignKey('Parent', related_name=related_name),
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'parent': models.ForeignKey('Parent', models.CASCADE, related_name=related_name),
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'__module__': Parent.__module__,
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})
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@ -626,17 +716,17 @@ class AccessorClashTests(IsolatedModelsTestCase):
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def test_fk_to_integer(self):
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self._test_accessor_clash(
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target=models.IntegerField(),
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relative=models.ForeignKey('Target'))
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relative=models.ForeignKey('Target', models.CASCADE))
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def test_fk_to_fk(self):
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self._test_accessor_clash(
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target=models.ForeignKey('Another'),
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relative=models.ForeignKey('Target'))
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target=models.ForeignKey('Another', models.CASCADE),
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relative=models.ForeignKey('Target', models.CASCADE))
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def test_fk_to_m2m(self):
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self._test_accessor_clash(
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target=models.ManyToManyField('Another'),
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relative=models.ForeignKey('Target'))
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relative=models.ForeignKey('Target', models.CASCADE))
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def test_m2m_to_integer(self):
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self._test_accessor_clash(
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@ -645,7 +735,7 @@ class AccessorClashTests(IsolatedModelsTestCase):
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def test_m2m_to_fk(self):
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self._test_accessor_clash(
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target=models.ForeignKey('Another'),
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target=models.ForeignKey('Another', models.CASCADE),
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relative=models.ManyToManyField('Target'))
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def test_m2m_to_m2m(self):
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@ -681,7 +771,7 @@ class AccessorClashTests(IsolatedModelsTestCase):
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pass
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class Model(models.Model):
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foreign = models.ForeignKey(Target)
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foreign = models.ForeignKey(Target, models.CASCADE)
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m2m = models.ManyToManyField(Target)
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errors = Model.check()
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@ -738,17 +828,17 @@ class ReverseQueryNameClashTests(IsolatedModelsTestCase):
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def test_fk_to_integer(self):
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self._test_reverse_query_name_clash(
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target=models.IntegerField(),
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relative=models.ForeignKey('Target'))
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relative=models.ForeignKey('Target', models.CASCADE))
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def test_fk_to_fk(self):
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self._test_reverse_query_name_clash(
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target=models.ForeignKey('Another'),
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relative=models.ForeignKey('Target'))
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target=models.ForeignKey('Another', models.CASCADE),
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relative=models.ForeignKey('Target', models.CASCADE))
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def test_fk_to_m2m(self):
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self._test_reverse_query_name_clash(
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target=models.ManyToManyField('Another'),
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relative=models.ForeignKey('Target'))
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relative=models.ForeignKey('Target', models.CASCADE))
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def test_m2m_to_integer(self):
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self._test_reverse_query_name_clash(
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@ -757,7 +847,7 @@ class ReverseQueryNameClashTests(IsolatedModelsTestCase):
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def test_m2m_to_fk(self):
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self._test_reverse_query_name_clash(
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target=models.ForeignKey('Another'),
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target=models.ForeignKey('Another', models.CASCADE),
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relative=models.ManyToManyField('Target'))
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def test_m2m_to_m2m(self):
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@ -794,17 +884,17 @@ class ExplicitRelatedNameClashTests(IsolatedModelsTestCase):
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def test_fk_to_integer(self):
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self._test_explicit_related_name_clash(
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target=models.IntegerField(),
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relative=models.ForeignKey('Target', related_name='clash'))
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relative=models.ForeignKey('Target', models.CASCADE, related_name='clash'))
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def test_fk_to_fk(self):
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self._test_explicit_related_name_clash(
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target=models.ForeignKey('Another'),
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relative=models.ForeignKey('Target', related_name='clash'))
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target=models.ForeignKey('Another', models.CASCADE),
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relative=models.ForeignKey('Target', models.CASCADE, related_name='clash'))
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def test_fk_to_m2m(self):
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self._test_explicit_related_name_clash(
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target=models.ManyToManyField('Another'),
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relative=models.ForeignKey('Target', related_name='clash'))
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relative=models.ForeignKey('Target', models.CASCADE, related_name='clash'))
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def test_m2m_to_integer(self):
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self._test_explicit_related_name_clash(
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@ -813,7 +903,7 @@ class ExplicitRelatedNameClashTests(IsolatedModelsTestCase):
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def test_m2m_to_fk(self):
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self._test_explicit_related_name_clash(
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target=models.ForeignKey('Another'),
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target=models.ForeignKey('Another', models.CASCADE),
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relative=models.ManyToManyField('Target', related_name='clash'))
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def test_m2m_to_m2m(self):
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@ -859,18 +949,21 @@ class ExplicitRelatedQueryNameClashTests(IsolatedModelsTestCase):
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self._test_explicit_related_query_name_clash(
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target=models.IntegerField(),
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relative=models.ForeignKey('Target',
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models.CASCADE,
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related_query_name='clash'))
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def test_fk_to_fk(self):
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self._test_explicit_related_query_name_clash(
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target=models.ForeignKey('Another'),
|
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target=models.ForeignKey('Another', models.CASCADE),
|
||||
relative=models.ForeignKey('Target',
|
||||
models.CASCADE,
|
||||
related_query_name='clash'))
|
||||
|
||||
def test_fk_to_m2m(self):
|
||||
self._test_explicit_related_query_name_clash(
|
||||
target=models.ManyToManyField('Another'),
|
||||
relative=models.ForeignKey('Target',
|
||||
models.CASCADE,
|
||||
related_query_name='clash'))
|
||||
|
||||
def test_m2m_to_integer(self):
|
||||
|
|
@ -881,7 +974,7 @@ class ExplicitRelatedQueryNameClashTests(IsolatedModelsTestCase):
|
|||
|
||||
def test_m2m_to_fk(self):
|
||||
self._test_explicit_related_query_name_clash(
|
||||
target=models.ForeignKey('Another'),
|
||||
target=models.ForeignKey('Another', models.CASCADE),
|
||||
relative=models.ManyToManyField('Target',
|
||||
related_query_name='clash'))
|
||||
|
||||
|
|
@ -1013,7 +1106,7 @@ class SelfReferentialFKClashTests(IsolatedModelsTestCase):
|
|||
|
||||
def test_accessor_clash(self):
|
||||
class Model(models.Model):
|
||||
model_set = models.ForeignKey("Model")
|
||||
model_set = models.ForeignKey("Model", models.CASCADE)
|
||||
|
||||
errors = Model.check()
|
||||
expected = [
|
||||
|
|
@ -1030,7 +1123,7 @@ class SelfReferentialFKClashTests(IsolatedModelsTestCase):
|
|||
|
||||
def test_reverse_query_name_clash(self):
|
||||
class Model(models.Model):
|
||||
model = models.ForeignKey("Model")
|
||||
model = models.ForeignKey("Model", models.CASCADE)
|
||||
|
||||
errors = Model.check()
|
||||
expected = [
|
||||
|
|
@ -1048,7 +1141,7 @@ class SelfReferentialFKClashTests(IsolatedModelsTestCase):
|
|||
def test_clash_under_explicit_related_name(self):
|
||||
class Model(models.Model):
|
||||
clash = models.CharField(max_length=10)
|
||||
foreign = models.ForeignKey("Model", related_name='clash')
|
||||
foreign = models.ForeignKey("Model", models.CASCADE, related_name='clash')
|
||||
|
||||
errors = Model.check()
|
||||
expected = [
|
||||
|
|
@ -1087,8 +1180,8 @@ class ComplexClashTests(IsolatedModelsTestCase):
|
|||
class Model(models.Model):
|
||||
src_safe = models.CharField(max_length=10)
|
||||
|
||||
foreign_1 = models.ForeignKey(Target, related_name='id')
|
||||
foreign_2 = models.ForeignKey(Target, related_name='src_safe')
|
||||
foreign_1 = models.ForeignKey(Target, models.CASCADE, related_name='id')
|
||||
foreign_2 = models.ForeignKey(Target, models.CASCADE, related_name='src_safe')
|
||||
|
||||
m2m_1 = models.ManyToManyField(Target, related_name='id')
|
||||
m2m_2 = models.ManyToManyField(Target, related_name='src_safe')
|
||||
|
|
@ -1211,9 +1304,9 @@ class M2mThroughFieldsTests(IsolatedModelsTestCase):
|
|||
invitees = models.ManyToManyField(Fan, through='Invitation', through_fields=('invitee', 'event'))
|
||||
|
||||
class Invitation(models.Model):
|
||||
event = models.ForeignKey(Event)
|
||||
invitee = models.ForeignKey(Fan)
|
||||
inviter = models.ForeignKey(Fan, related_name='+')
|
||||
event = models.ForeignKey(Event, models.CASCADE)
|
||||
invitee = models.ForeignKey(Fan, models.CASCADE)
|
||||
inviter = models.ForeignKey(Fan, models.CASCADE, related_name='+')
|
||||
|
||||
field = Event._meta.get_field('invitees')
|
||||
errors = field.check(from_model=Event)
|
||||
|
|
@ -1243,9 +1336,9 @@ class M2mThroughFieldsTests(IsolatedModelsTestCase):
|
|||
invitees = models.ManyToManyField(Fan, through='Invitation', through_fields=('invalid_field_1', 'invalid_field_2'))
|
||||
|
||||
class Invitation(models.Model):
|
||||
event = models.ForeignKey(Event)
|
||||
invitee = models.ForeignKey(Fan)
|
||||
inviter = models.ForeignKey(Fan, related_name='+')
|
||||
event = models.ForeignKey(Event, models.CASCADE)
|
||||
invitee = models.ForeignKey(Fan, models.CASCADE)
|
||||
inviter = models.ForeignKey(Fan, models.CASCADE, related_name='+')
|
||||
|
||||
field = Event._meta.get_field('invitees')
|
||||
errors = field.check(from_model=Event)
|
||||
|
|
@ -1275,9 +1368,9 @@ class M2mThroughFieldsTests(IsolatedModelsTestCase):
|
|||
invitees = models.ManyToManyField(Fan, through='Invitation', through_fields=(None, 'invitee'))
|
||||
|
||||
class Invitation(models.Model):
|
||||
event = models.ForeignKey(Event)
|
||||
invitee = models.ForeignKey(Fan)
|
||||
inviter = models.ForeignKey(Fan, related_name='+')
|
||||
event = models.ForeignKey(Event, models.CASCADE)
|
||||
invitee = models.ForeignKey(Fan, models.CASCADE)
|
||||
inviter = models.ForeignKey(Fan, models.CASCADE, related_name='+')
|
||||
|
||||
field = Event._meta.get_field('invitees')
|
||||
errors = field.check(from_model=Event)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue