121 lines
4.3 KiB
Python
121 lines
4.3 KiB
Python
from django.core.exceptions import ImproperlyConfigured
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from django.db import models
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from django.test import SimpleTestCase, override_settings
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from django.test.utils import isolate_apps
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class MyBigAutoField(models.BigAutoField):
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pass
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@isolate_apps("model_options")
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class TestDefaultPK(SimpleTestCase):
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@override_settings(DEFAULT_AUTO_FIELD="django.db.models.NonexistentAutoField")
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def test_default_auto_field_setting_nonexistent(self):
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msg = (
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"DEFAULT_AUTO_FIELD refers to the module "
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"'django.db.models.NonexistentAutoField' that could not be "
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"imported."
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)
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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class Model(models.Model):
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pass
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@isolate_apps("model_options.apps.ModelPKNonexistentConfig")
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def test_app_default_auto_field_nonexistent(self):
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msg = (
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"model_options.apps.ModelPKNonexistentConfig.default_auto_field "
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"refers to the module 'django.db.models.NonexistentAutoField' "
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"that could not be imported."
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)
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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class Model(models.Model):
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pass
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@override_settings(DEFAULT_AUTO_FIELD="django.db.models.TextField")
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def test_default_auto_field_setting_non_auto(self):
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msg = (
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"Primary key 'django.db.models.TextField' referred by "
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"DEFAULT_AUTO_FIELD must subclass AutoField."
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)
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with self.assertRaisesMessage(ValueError, msg):
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class Model(models.Model):
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pass
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@isolate_apps("model_options.apps.ModelPKNonAutoConfig")
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def test_app_default_auto_field_non_auto(self):
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msg = (
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"Primary key 'django.db.models.TextField' referred by "
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"model_options.apps.ModelPKNonAutoConfig.default_auto_field must "
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"subclass AutoField."
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)
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with self.assertRaisesMessage(ValueError, msg):
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class Model(models.Model):
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pass
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@override_settings(DEFAULT_AUTO_FIELD=None)
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def test_default_auto_field_setting_none(self):
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msg = "DEFAULT_AUTO_FIELD must not be empty."
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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class Model(models.Model):
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pass
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@isolate_apps("model_options.apps.ModelPKNoneConfig")
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def test_app_default_auto_field_none(self):
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msg = (
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"model_options.apps.ModelPKNoneConfig.default_auto_field must not "
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"be empty."
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)
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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class Model(models.Model):
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pass
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@isolate_apps("model_options.apps.ModelDefaultPKConfig")
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@override_settings(DEFAULT_AUTO_FIELD="django.db.models.SmallAutoField")
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def test_default_auto_field_setting(self):
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class Model(models.Model):
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pass
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self.assertIsInstance(Model._meta.pk, models.SmallAutoField)
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@override_settings(
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DEFAULT_AUTO_FIELD="model_options.test_default_pk.MyBigAutoField"
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)
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def test_default_auto_field_setting_bigautofield_subclass(self):
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class Model(models.Model):
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pass
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self.assertIsInstance(Model._meta.pk, MyBigAutoField)
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@isolate_apps("model_options.apps.ModelPKConfig")
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@override_settings(DEFAULT_AUTO_FIELD="django.db.models.AutoField")
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def test_app_default_auto_field(self):
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class Model(models.Model):
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pass
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self.assertIsInstance(Model._meta.pk, models.SmallAutoField)
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@isolate_apps("model_options.apps.ModelDefaultPKConfig")
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@override_settings(DEFAULT_AUTO_FIELD="django.db.models.SmallAutoField")
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def test_m2m_default_auto_field_setting(self):
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class M2MModel(models.Model):
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m2m = models.ManyToManyField("self")
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m2m_pk = M2MModel._meta.get_field("m2m").remote_field.through._meta.pk
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self.assertIsInstance(m2m_pk, models.SmallAutoField)
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@isolate_apps("model_options.apps.ModelPKConfig")
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@override_settings(DEFAULT_AUTO_FIELD="django.db.models.AutoField")
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def test_m2m_app_default_auto_field(self):
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class M2MModel(models.Model):
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m2m = models.ManyToManyField("self")
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m2m_pk = M2MModel._meta.get_field("m2m").remote_field.through._meta.pk
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self.assertIsInstance(m2m_pk, models.SmallAutoField)
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