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76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
from django.core import checks
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from django.core.checks import Error
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from django.db import models
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from django.test import SimpleTestCase
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from django.test.utils import (
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isolate_apps, modify_settings, override_system_checks,
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)
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@isolate_apps('check_framework', attr_name='apps')
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@override_system_checks([checks.model_checks.check_all_models])
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class DuplicateDBTableTests(SimpleTestCase):
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def test_collision_in_same_app(self):
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class Model1(models.Model):
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class Meta:
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db_table = 'test_table'
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class Model2(models.Model):
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class Meta:
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db_table = 'test_table'
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self.assertEqual(checks.run_checks(app_configs=self.apps.get_app_configs()), [
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Error(
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"db_table 'test_table' is used by multiple models: "
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"check_framework.Model1, check_framework.Model2.",
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obj='test_table',
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id='models.E028',
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)
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])
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@modify_settings(INSTALLED_APPS={'append': 'basic'})
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@isolate_apps('basic', 'check_framework', kwarg_name='apps')
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def test_collision_across_apps(self, apps):
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class Model1(models.Model):
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class Meta:
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app_label = 'basic'
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db_table = 'test_table'
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class Model2(models.Model):
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class Meta:
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app_label = 'check_framework'
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db_table = 'test_table'
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self.assertEqual(checks.run_checks(app_configs=apps.get_app_configs()), [
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Error(
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"db_table 'test_table' is used by multiple models: "
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"basic.Model1, check_framework.Model2.",
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obj='test_table',
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id='models.E028',
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)
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])
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def test_no_collision_for_unmanaged_models(self):
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class Unmanaged(models.Model):
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class Meta:
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db_table = 'test_table'
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managed = False
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class Managed(models.Model):
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class Meta:
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db_table = 'test_table'
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self.assertEqual(checks.run_checks(app_configs=self.apps.get_app_configs()), [])
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def test_no_collision_for_proxy_models(self):
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class Model(models.Model):
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class Meta:
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db_table = 'test_table'
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class ProxyModel(Model):
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class Meta:
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proxy = True
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self.assertEqual(Model._meta.db_table, ProxyModel._meta.db_table)
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self.assertEqual(checks.run_checks(app_configs=self.apps.get_app_configs()), [])
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