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912 lines
30 KiB
Python
912 lines
30 KiB
Python
import unittest
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from django.conf import settings
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from django.core.checks import Error
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from django.core.checks.model_checks import _check_lazy_references
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from django.core.exceptions import ImproperlyConfigured
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from django.db import connections, models
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from django.db.models.signals import post_init
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from django.test import SimpleTestCase
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from django.test.utils import isolate_apps, override_settings
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def get_max_column_name_length():
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allowed_len = None
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db_alias = None
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for db in settings.DATABASES:
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connection = connections[db]
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max_name_length = connection.ops.max_name_length()
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if max_name_length is None or connection.features.truncates_names:
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continue
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else:
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if allowed_len is None:
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allowed_len = max_name_length
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db_alias = db
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elif max_name_length < allowed_len:
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allowed_len = max_name_length
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db_alias = db
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return (allowed_len, db_alias)
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@isolate_apps('invalid_models_tests')
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class IndexTogetherTests(SimpleTestCase):
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def test_non_iterable(self):
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class Model(models.Model):
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class Meta:
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index_together = 42
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self.assertEqual(Model.check(), [
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Error(
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"'index_together' must be a list or tuple.",
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obj=Model,
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id='models.E008',
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),
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])
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def test_non_list(self):
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class Model(models.Model):
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class Meta:
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index_together = 'not-a-list'
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self.assertEqual(Model.check(), [
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Error(
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"'index_together' must be a list or tuple.",
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obj=Model,
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id='models.E008',
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),
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])
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def test_list_containing_non_iterable(self):
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class Model(models.Model):
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class Meta:
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index_together = [('a', 'b'), 42]
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self.assertEqual(Model.check(), [
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Error(
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"All 'index_together' elements must be lists or tuples.",
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obj=Model,
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id='models.E009',
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),
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])
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def test_pointing_to_missing_field(self):
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class Model(models.Model):
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class Meta:
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index_together = [
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["missing_field"],
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]
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self.assertEqual(Model.check(), [
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Error(
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"'index_together' refers to the nonexistent field 'missing_field'.",
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obj=Model,
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id='models.E012',
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),
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])
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def test_pointing_to_non_local_field(self):
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class Foo(models.Model):
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field1 = models.IntegerField()
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class Bar(Foo):
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field2 = models.IntegerField()
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class Meta:
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index_together = [
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["field2", "field1"],
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]
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self.assertEqual(Bar.check(), [
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Error(
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"'index_together' refers to field 'field1' which is not "
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"local to model 'Bar'.",
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hint=("This issue may be caused by multi-table inheritance."),
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obj=Bar,
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id='models.E016',
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),
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])
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def test_pointing_to_m2m_field(self):
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class Model(models.Model):
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m2m = models.ManyToManyField('self')
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class Meta:
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index_together = [
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["m2m"],
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]
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self.assertEqual(Model.check(), [
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Error(
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"'index_together' refers to a ManyToManyField 'm2m', but "
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"ManyToManyFields are not permitted in 'index_together'.",
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obj=Model,
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id='models.E013',
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),
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])
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# unique_together tests are very similar to index_together tests.
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@isolate_apps('invalid_models_tests')
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class UniqueTogetherTests(SimpleTestCase):
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def test_non_iterable(self):
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class Model(models.Model):
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class Meta:
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unique_together = 42
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self.assertEqual(Model.check(), [
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Error(
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"'unique_together' must be a list or tuple.",
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obj=Model,
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id='models.E010',
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),
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])
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def test_list_containing_non_iterable(self):
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class Model(models.Model):
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one = models.IntegerField()
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two = models.IntegerField()
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class Meta:
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unique_together = [('a', 'b'), 42]
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self.assertEqual(Model.check(), [
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Error(
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"All 'unique_together' elements must be lists or tuples.",
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obj=Model,
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id='models.E011',
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),
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])
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def test_non_list(self):
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class Model(models.Model):
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class Meta:
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unique_together = 'not-a-list'
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self.assertEqual(Model.check(), [
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Error(
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"'unique_together' must be a list or tuple.",
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obj=Model,
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id='models.E010',
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),
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])
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def test_valid_model(self):
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class Model(models.Model):
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one = models.IntegerField()
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two = models.IntegerField()
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class Meta:
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# unique_together can be a simple tuple
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unique_together = ('one', 'two')
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self.assertEqual(Model.check(), [])
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def test_pointing_to_missing_field(self):
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class Model(models.Model):
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class Meta:
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unique_together = [
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["missing_field"],
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]
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self.assertEqual(Model.check(), [
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Error(
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"'unique_together' refers to the nonexistent field 'missing_field'.",
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obj=Model,
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id='models.E012',
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),
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])
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def test_pointing_to_m2m(self):
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class Model(models.Model):
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m2m = models.ManyToManyField('self')
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class Meta:
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unique_together = [
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["m2m"],
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]
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self.assertEqual(Model.check(), [
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Error(
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"'unique_together' refers to a ManyToManyField 'm2m', but "
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"ManyToManyFields are not permitted in 'unique_together'.",
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obj=Model,
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id='models.E013',
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),
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])
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@isolate_apps('invalid_models_tests')
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class FieldNamesTests(SimpleTestCase):
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def test_ending_with_underscore(self):
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class Model(models.Model):
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field_ = models.CharField(max_length=10)
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m2m_ = models.ManyToManyField('self')
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self.assertEqual(Model.check(), [
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Error(
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'Field names must not end with an underscore.',
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obj=Model._meta.get_field('field_'),
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id='fields.E001',
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),
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Error(
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'Field names must not end with an underscore.',
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obj=Model._meta.get_field('m2m_'),
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id='fields.E001',
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),
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])
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max_column_name_length, column_limit_db_alias = get_max_column_name_length()
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@unittest.skipIf(max_column_name_length is None, "The database doesn't have a column name length limit.")
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def test_M2M_long_column_name(self):
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"""
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#13711 -- Model check for long M2M column names when database has
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column name length limits.
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"""
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allowed_len, db_alias = get_max_column_name_length()
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# A model with very long name which will be used to set relations to.
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class VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz(models.Model):
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title = models.CharField(max_length=11)
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# Main model for which checks will be performed.
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class ModelWithLongField(models.Model):
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m2m_field = models.ManyToManyField(
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VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
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related_name="rn1"
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)
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m2m_field2 = models.ManyToManyField(
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VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
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related_name="rn2", through='m2msimple'
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)
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m2m_field3 = models.ManyToManyField(
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VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
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related_name="rn3",
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through='m2mcomplex'
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)
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fk = models.ForeignKey(
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VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
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models.CASCADE,
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related_name="rn4",
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)
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# Models used for setting `through` in M2M field.
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class m2msimple(models.Model):
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id2 = models.ForeignKey(ModelWithLongField, models.CASCADE)
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class m2mcomplex(models.Model):
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id2 = models.ForeignKey(ModelWithLongField, models.CASCADE)
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long_field_name = 'a' * (self.max_column_name_length + 1)
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models.ForeignKey(
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VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
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models.CASCADE,
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).contribute_to_class(m2msimple, long_field_name)
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models.ForeignKey(
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VeryLongModelNamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
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models.CASCADE,
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db_column=long_field_name
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).contribute_to_class(m2mcomplex, long_field_name)
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errors = ModelWithLongField.check()
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# First error because of M2M field set on the model with long name.
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m2m_long_name = "verylongmodelnamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz_id"
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if self.max_column_name_length > len(m2m_long_name):
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# Some databases support names longer than the test name.
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expected = []
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else:
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expected = [
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Error(
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'Autogenerated column name too long for M2M field "%s". '
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'Maximum length is "%s" for database "%s".'
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% (m2m_long_name, self.max_column_name_length, self.column_limit_db_alias),
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hint="Use 'through' to create a separate model for "
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"M2M and then set column_name using 'db_column'.",
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obj=ModelWithLongField,
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id='models.E019',
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)
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]
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# Second error because the FK specified in the `through` model
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# `m2msimple` has auto-generated name longer than allowed.
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# There will be no check errors in the other M2M because it
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# specifies db_column for the FK in `through` model even if the actual
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# name is longer than the limits of the database.
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expected.append(
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Error(
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'Autogenerated column name too long for M2M field "%s_id". '
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'Maximum length is "%s" for database "%s".'
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% (long_field_name, self.max_column_name_length, self.column_limit_db_alias),
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hint="Use 'through' to create a separate model for "
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"M2M and then set column_name using 'db_column'.",
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obj=ModelWithLongField,
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id='models.E019',
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)
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)
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self.assertEqual(errors, expected)
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@unittest.skipIf(max_column_name_length is None, "The database doesn't have a column name length limit.")
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def test_local_field_long_column_name(self):
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"""
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#13711 -- Model check for long column names
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when database does not support long names.
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"""
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allowed_len, db_alias = get_max_column_name_length()
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class ModelWithLongField(models.Model):
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title = models.CharField(max_length=11)
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long_field_name = 'a' * (self.max_column_name_length + 1)
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long_field_name2 = 'b' * (self.max_column_name_length + 1)
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models.CharField(max_length=11).contribute_to_class(ModelWithLongField, long_field_name)
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models.CharField(max_length=11, db_column='vlmn').contribute_to_class(ModelWithLongField, long_field_name2)
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self.assertEqual(ModelWithLongField.check(), [
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Error(
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'Autogenerated column name too long for field "%s". '
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'Maximum length is "%s" for database "%s".'
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% (long_field_name, self.max_column_name_length, self.column_limit_db_alias),
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hint="Set the column name manually using 'db_column'.",
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obj=ModelWithLongField,
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id='models.E018',
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)
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])
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def test_including_separator(self):
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class Model(models.Model):
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some__field = models.IntegerField()
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self.assertEqual(Model.check(), [
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Error(
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'Field names must not contain "__".',
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obj=Model._meta.get_field('some__field'),
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id='fields.E002',
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)
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])
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def test_pk(self):
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class Model(models.Model):
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pk = models.IntegerField()
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self.assertEqual(Model.check(), [
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Error(
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"'pk' is a reserved word that cannot be used as a field name.",
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obj=Model._meta.get_field('pk'),
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id='fields.E003',
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)
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])
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@isolate_apps('invalid_models_tests')
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class ShadowingFieldsTests(SimpleTestCase):
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def test_field_name_clash_with_child_accessor(self):
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class Parent(models.Model):
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pass
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class Child(Parent):
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child = models.CharField(max_length=100)
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self.assertEqual(Child.check(), [
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Error(
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"The field 'child' clashes with the field "
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"'child' from model 'invalid_models_tests.parent'.",
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obj=Child._meta.get_field('child'),
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id='models.E006',
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)
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])
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def test_multiinheritance_clash(self):
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class Mother(models.Model):
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clash = models.IntegerField()
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class Father(models.Model):
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clash = models.IntegerField()
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class Child(Mother, Father):
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# Here we have two clashed: id (automatic field) and clash, because
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# both parents define these fields.
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pass
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self.assertEqual(Child.check(), [
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Error(
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"The field 'id' from parent model "
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"'invalid_models_tests.mother' clashes with the field 'id' "
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"from parent model 'invalid_models_tests.father'.",
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obj=Child,
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id='models.E005',
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),
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Error(
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"The field 'clash' from parent model "
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"'invalid_models_tests.mother' clashes with the field 'clash' "
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"from parent model 'invalid_models_tests.father'.",
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obj=Child,
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id='models.E005',
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)
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])
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def test_inheritance_clash(self):
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class Parent(models.Model):
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f_id = models.IntegerField()
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class Target(models.Model):
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# This field doesn't result in a clash.
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f_id = models.IntegerField()
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class Child(Parent):
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# This field clashes with parent "f_id" field.
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f = models.ForeignKey(Target, models.CASCADE)
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self.assertEqual(Child.check(), [
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Error(
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"The field 'f' clashes with the field 'f_id' "
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"from model 'invalid_models_tests.parent'.",
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obj=Child._meta.get_field('f'),
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id='models.E006',
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)
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])
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def test_multigeneration_inheritance(self):
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class GrandParent(models.Model):
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clash = models.IntegerField()
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class Parent(GrandParent):
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pass
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class Child(Parent):
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pass
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class GrandChild(Child):
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clash = models.IntegerField()
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self.assertEqual(GrandChild.check(), [
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Error(
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"The field 'clash' clashes with the field 'clash' "
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"from model 'invalid_models_tests.grandparent'.",
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obj=GrandChild._meta.get_field('clash'),
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id='models.E006',
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)
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])
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def test_id_clash(self):
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class Target(models.Model):
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pass
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class Model(models.Model):
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fk = models.ForeignKey(Target, models.CASCADE)
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fk_id = models.IntegerField()
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self.assertEqual(Model.check(), [
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Error(
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"The field 'fk_id' clashes with the field 'fk' from model "
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"'invalid_models_tests.model'.",
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obj=Model._meta.get_field('fk_id'),
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id='models.E006',
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)
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])
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@isolate_apps('invalid_models_tests')
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class OtherModelTests(SimpleTestCase):
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def test_unique_primary_key(self):
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invalid_id = models.IntegerField(primary_key=False)
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class Model(models.Model):
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id = invalid_id
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self.assertEqual(Model.check(), [
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Error(
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"'id' can only be used as a field name if the field also sets "
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"'primary_key=True'.",
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obj=Model,
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id='models.E004',
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),
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])
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def test_ordering_non_iterable(self):
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class Model(models.Model):
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class Meta:
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ordering = "missing_field"
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self.assertEqual(Model.check(), [
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Error(
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"'ordering' must be a tuple or list "
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"(even if you want to order by only one field).",
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obj=Model,
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id='models.E014',
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),
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])
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def test_just_ordering_no_errors(self):
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class Model(models.Model):
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order = models.PositiveIntegerField()
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class Meta:
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ordering = ['order']
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self.assertEqual(Model.check(), [])
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def test_just_order_with_respect_to_no_errors(self):
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class Question(models.Model):
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pass
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class Answer(models.Model):
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question = models.ForeignKey(Question, models.CASCADE)
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class Meta:
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order_with_respect_to = 'question'
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self.assertEqual(Answer.check(), [])
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def test_ordering_with_order_with_respect_to(self):
|
|
class Question(models.Model):
|
|
pass
|
|
|
|
class Answer(models.Model):
|
|
question = models.ForeignKey(Question, models.CASCADE)
|
|
order = models.IntegerField()
|
|
|
|
class Meta:
|
|
order_with_respect_to = 'question'
|
|
ordering = ['order']
|
|
|
|
self.assertEqual(Answer.check(), [
|
|
Error(
|
|
"'ordering' and 'order_with_respect_to' cannot be used together.",
|
|
obj=Answer,
|
|
id='models.E021',
|
|
),
|
|
])
|
|
|
|
def test_non_valid(self):
|
|
class RelationModel(models.Model):
|
|
pass
|
|
|
|
class Model(models.Model):
|
|
relation = models.ManyToManyField(RelationModel)
|
|
|
|
class Meta:
|
|
ordering = ['relation']
|
|
|
|
self.assertEqual(Model.check(), [
|
|
Error(
|
|
"'ordering' refers to the nonexistent field 'relation'.",
|
|
obj=Model,
|
|
id='models.E015',
|
|
),
|
|
])
|
|
|
|
def test_ordering_pointing_to_missing_field(self):
|
|
class Model(models.Model):
|
|
class Meta:
|
|
ordering = ("missing_field",)
|
|
|
|
self.assertEqual(Model.check(), [
|
|
Error(
|
|
"'ordering' refers to the nonexistent field 'missing_field'.",
|
|
obj=Model,
|
|
id='models.E015',
|
|
)
|
|
])
|
|
|
|
def test_ordering_pointing_to_missing_foreignkey_field(self):
|
|
# refs #22711
|
|
|
|
class Model(models.Model):
|
|
missing_fk_field = models.IntegerField()
|
|
|
|
class Meta:
|
|
ordering = ("missing_fk_field_id",)
|
|
|
|
self.assertEqual(Model.check(), [
|
|
Error(
|
|
"'ordering' refers to the nonexistent field 'missing_fk_field_id'.",
|
|
obj=Model,
|
|
id='models.E015',
|
|
)
|
|
])
|
|
|
|
def test_ordering_pointing_to_existing_foreignkey_field(self):
|
|
# refs #22711
|
|
|
|
class Parent(models.Model):
|
|
pass
|
|
|
|
class Child(models.Model):
|
|
parent = models.ForeignKey(Parent, models.CASCADE)
|
|
|
|
class Meta:
|
|
ordering = ("parent_id",)
|
|
|
|
self.assertFalse(Child.check())
|
|
|
|
def test_name_beginning_with_underscore(self):
|
|
class _Model(models.Model):
|
|
pass
|
|
|
|
self.assertEqual(_Model.check(), [
|
|
Error(
|
|
"The model name '_Model' cannot start or end with an underscore "
|
|
"as it collides with the query lookup syntax.",
|
|
obj=_Model,
|
|
id='models.E023',
|
|
)
|
|
])
|
|
|
|
def test_name_ending_with_underscore(self):
|
|
class Model_(models.Model):
|
|
pass
|
|
|
|
self.assertEqual(Model_.check(), [
|
|
Error(
|
|
"The model name 'Model_' cannot start or end with an underscore "
|
|
"as it collides with the query lookup syntax.",
|
|
obj=Model_,
|
|
id='models.E023',
|
|
)
|
|
])
|
|
|
|
def test_name_contains_double_underscores(self):
|
|
class Test__Model(models.Model):
|
|
pass
|
|
|
|
self.assertEqual(Test__Model.check(), [
|
|
Error(
|
|
"The model name 'Test__Model' cannot contain double underscores "
|
|
"as it collides with the query lookup syntax.",
|
|
obj=Test__Model,
|
|
id='models.E024',
|
|
)
|
|
])
|
|
|
|
@override_settings(TEST_SWAPPED_MODEL_BAD_VALUE='not-a-model')
|
|
def test_swappable_missing_app_name(self):
|
|
class Model(models.Model):
|
|
class Meta:
|
|
swappable = 'TEST_SWAPPED_MODEL_BAD_VALUE'
|
|
|
|
self.assertEqual(Model.check(), [
|
|
Error(
|
|
"'TEST_SWAPPED_MODEL_BAD_VALUE' is not of the form 'app_label.app_name'.",
|
|
id='models.E001',
|
|
),
|
|
])
|
|
|
|
@override_settings(TEST_SWAPPED_MODEL_BAD_MODEL='not_an_app.Target')
|
|
def test_swappable_missing_app(self):
|
|
class Model(models.Model):
|
|
class Meta:
|
|
swappable = 'TEST_SWAPPED_MODEL_BAD_MODEL'
|
|
|
|
self.assertEqual(Model.check(), [
|
|
Error(
|
|
"'TEST_SWAPPED_MODEL_BAD_MODEL' references 'not_an_app.Target', "
|
|
'which has not been installed, or is abstract.',
|
|
id='models.E002',
|
|
),
|
|
])
|
|
|
|
def test_two_m2m_through_same_relationship(self):
|
|
class Person(models.Model):
|
|
pass
|
|
|
|
class Group(models.Model):
|
|
primary = models.ManyToManyField(Person, through="Membership", related_name="primary")
|
|
secondary = models.ManyToManyField(Person, through="Membership", related_name="secondary")
|
|
|
|
class Membership(models.Model):
|
|
person = models.ForeignKey(Person, models.CASCADE)
|
|
group = models.ForeignKey(Group, models.CASCADE)
|
|
|
|
self.assertEqual(Group.check(), [
|
|
Error(
|
|
"The model has two many-to-many relations through "
|
|
"the intermediate model 'invalid_models_tests.Membership'.",
|
|
obj=Group,
|
|
id='models.E003',
|
|
)
|
|
])
|
|
|
|
def test_missing_parent_link(self):
|
|
msg = 'Add parent_link=True to invalid_models_tests.ParkingLot.parent.'
|
|
with self.assertRaisesMessage(ImproperlyConfigured, msg):
|
|
class Place(models.Model):
|
|
pass
|
|
|
|
class ParkingLot(Place):
|
|
parent = models.OneToOneField(Place, models.CASCADE)
|
|
|
|
def test_m2m_table_name_clash(self):
|
|
class Foo(models.Model):
|
|
bar = models.ManyToManyField('Bar', db_table='myapp_bar')
|
|
|
|
class Meta:
|
|
db_table = 'myapp_foo'
|
|
|
|
class Bar(models.Model):
|
|
class Meta:
|
|
db_table = 'myapp_bar'
|
|
|
|
self.assertEqual(Foo.check(), [
|
|
Error(
|
|
"The field's intermediary table 'myapp_bar' clashes with the "
|
|
"table name of 'invalid_models_tests.Bar'.",
|
|
obj=Foo._meta.get_field('bar'),
|
|
id='fields.E340',
|
|
)
|
|
])
|
|
|
|
def test_m2m_field_table_name_clash(self):
|
|
class Foo(models.Model):
|
|
pass
|
|
|
|
class Bar(models.Model):
|
|
foos = models.ManyToManyField(Foo, db_table='clash')
|
|
|
|
class Baz(models.Model):
|
|
foos = models.ManyToManyField(Foo, db_table='clash')
|
|
|
|
self.assertEqual(Bar.check() + Baz.check(), [
|
|
Error(
|
|
"The field's intermediary table 'clash' clashes with the "
|
|
"table name of 'invalid_models_tests.Baz.foos'.",
|
|
obj=Bar._meta.get_field('foos'),
|
|
id='fields.E340',
|
|
),
|
|
Error(
|
|
"The field's intermediary table 'clash' clashes with the "
|
|
"table name of 'invalid_models_tests.Bar.foos'.",
|
|
obj=Baz._meta.get_field('foos'),
|
|
id='fields.E340',
|
|
)
|
|
])
|
|
|
|
def test_m2m_autogenerated_table_name_clash(self):
|
|
class Foo(models.Model):
|
|
class Meta:
|
|
db_table = 'bar_foos'
|
|
|
|
class Bar(models.Model):
|
|
# The autogenerated `db_table` will be bar_foos.
|
|
foos = models.ManyToManyField(Foo)
|
|
|
|
class Meta:
|
|
db_table = 'bar'
|
|
|
|
self.assertEqual(Bar.check(), [
|
|
Error(
|
|
"The field's intermediary table 'bar_foos' clashes with the "
|
|
"table name of 'invalid_models_tests.Foo'.",
|
|
obj=Bar._meta.get_field('foos'),
|
|
id='fields.E340',
|
|
)
|
|
])
|
|
|
|
def test_m2m_unmanaged_shadow_models_not_checked(self):
|
|
class A1(models.Model):
|
|
pass
|
|
|
|
class C1(models.Model):
|
|
mm_a = models.ManyToManyField(A1, db_table='d1')
|
|
|
|
# Unmanaged models that shadow the above models. Reused table names
|
|
# shouldn't be flagged by any checks.
|
|
class A2(models.Model):
|
|
class Meta:
|
|
managed = False
|
|
|
|
class C2(models.Model):
|
|
mm_a = models.ManyToManyField(A2, through='Intermediate')
|
|
|
|
class Meta:
|
|
managed = False
|
|
|
|
class Intermediate(models.Model):
|
|
a2 = models.ForeignKey(A2, models.CASCADE, db_column='a1_id')
|
|
c2 = models.ForeignKey(C2, models.CASCADE, db_column='c1_id')
|
|
|
|
class Meta:
|
|
db_table = 'd1'
|
|
managed = False
|
|
|
|
self.assertEqual(C1.check(), [])
|
|
self.assertEqual(C2.check(), [])
|
|
|
|
def test_m2m_to_concrete_and_proxy_allowed(self):
|
|
class A(models.Model):
|
|
pass
|
|
|
|
class Through(models.Model):
|
|
a = models.ForeignKey('A', models.CASCADE)
|
|
c = models.ForeignKey('C', models.CASCADE)
|
|
|
|
class ThroughProxy(Through):
|
|
class Meta:
|
|
proxy = True
|
|
|
|
class C(models.Model):
|
|
mm_a = models.ManyToManyField(A, through=Through)
|
|
mm_aproxy = models.ManyToManyField(A, through=ThroughProxy, related_name='proxied_m2m')
|
|
|
|
self.assertEqual(C.check(), [])
|
|
|
|
@isolate_apps('django.contrib.auth', kwarg_name='apps')
|
|
def test_lazy_reference_checks(self, apps):
|
|
class DummyModel(models.Model):
|
|
author = models.ForeignKey('Author', models.CASCADE)
|
|
|
|
class Meta:
|
|
app_label = 'invalid_models_tests'
|
|
|
|
class DummyClass:
|
|
def __call__(self, **kwargs):
|
|
pass
|
|
|
|
def dummy_method(self):
|
|
pass
|
|
|
|
def dummy_function(*args, **kwargs):
|
|
pass
|
|
|
|
apps.lazy_model_operation(dummy_function, ('auth', 'imaginarymodel'))
|
|
apps.lazy_model_operation(dummy_function, ('fanciful_app', 'imaginarymodel'))
|
|
|
|
post_init.connect(dummy_function, sender='missing-app.Model', apps=apps)
|
|
post_init.connect(DummyClass(), sender='missing-app.Model', apps=apps)
|
|
post_init.connect(DummyClass().dummy_method, sender='missing-app.Model', apps=apps)
|
|
|
|
self.assertEqual(_check_lazy_references(apps), [
|
|
Error(
|
|
"%r contains a lazy reference to auth.imaginarymodel, "
|
|
"but app 'auth' doesn't provide model 'imaginarymodel'." % dummy_function,
|
|
obj=dummy_function,
|
|
id='models.E022',
|
|
),
|
|
Error(
|
|
"%r contains a lazy reference to fanciful_app.imaginarymodel, "
|
|
"but app 'fanciful_app' isn't installed." % dummy_function,
|
|
obj=dummy_function,
|
|
id='models.E022',
|
|
),
|
|
Error(
|
|
"An instance of class 'DummyClass' was connected to "
|
|
"the 'post_init' signal with a lazy reference to the sender "
|
|
"'missing-app.model', but app 'missing-app' isn't installed.",
|
|
hint=None,
|
|
obj='invalid_models_tests.test_models',
|
|
id='signals.E001',
|
|
),
|
|
Error(
|
|
"Bound method 'DummyClass.dummy_method' was connected to the "
|
|
"'post_init' signal with a lazy reference to the sender "
|
|
"'missing-app.model', but app 'missing-app' isn't installed.",
|
|
hint=None,
|
|
obj='invalid_models_tests.test_models',
|
|
id='signals.E001',
|
|
),
|
|
Error(
|
|
"The field invalid_models_tests.DummyModel.author was declared "
|
|
"with a lazy reference to 'invalid_models_tests.author', but app "
|
|
"'invalid_models_tests' isn't installed.",
|
|
hint=None,
|
|
obj=DummyModel.author.field,
|
|
id='fields.E307',
|
|
),
|
|
Error(
|
|
"The function 'dummy_function' was connected to the 'post_init' "
|
|
"signal with a lazy reference to the sender "
|
|
"'missing-app.model', but app 'missing-app' isn't installed.",
|
|
hint=None,
|
|
obj='invalid_models_tests.test_models',
|
|
id='signals.E001',
|
|
),
|
|
])
|