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348 lines
13 KiB
Python
348 lines
13 KiB
Python
from django.contrib.auth.checks import check_models_permissions, check_user_model
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from django.contrib.auth.models import AbstractBaseUser
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from django.core import checks
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from django.db import models
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from django.db.models import Q, UniqueConstraint
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from django.test import SimpleTestCase, override_settings, override_system_checks
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from django.test.utils import isolate_apps
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from .models import CustomUserNonUniqueUsername
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@isolate_apps("auth_tests", attr_name="apps")
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@override_system_checks([check_user_model])
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class UserModelChecksTests(SimpleTestCase):
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@override_settings(AUTH_USER_MODEL="auth_tests.CustomUserNonListRequiredFields")
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def test_required_fields_is_list(self):
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"""REQUIRED_FIELDS should be a list."""
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class CustomUserNonListRequiredFields(AbstractBaseUser):
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username = models.CharField(max_length=30, unique=True)
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date_of_birth = models.DateField()
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USERNAME_FIELD = "username"
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REQUIRED_FIELDS = "date_of_birth"
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errors = checks.run_checks(app_configs=self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"'REQUIRED_FIELDS' must be a list or tuple.",
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obj=CustomUserNonListRequiredFields,
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id="auth.E001",
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),
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],
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)
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@override_settings(AUTH_USER_MODEL="auth_tests.CustomUserBadRequiredFields")
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def test_username_not_in_required_fields(self):
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"""USERNAME_FIELD should not appear in REQUIRED_FIELDS."""
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class CustomUserBadRequiredFields(AbstractBaseUser):
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username = models.CharField(max_length=30, unique=True)
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date_of_birth = models.DateField()
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USERNAME_FIELD = "username"
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REQUIRED_FIELDS = ["username", "date_of_birth"]
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The field named as the 'USERNAME_FIELD' for a custom user model "
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"must not be included in 'REQUIRED_FIELDS'.",
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hint=(
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"The 'USERNAME_FIELD' is currently set to 'username', you "
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"should remove 'username' from the 'REQUIRED_FIELDS'."
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),
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obj=CustomUserBadRequiredFields,
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id="auth.E002",
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),
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],
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)
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@override_settings(AUTH_USER_MODEL="auth_tests.CustomUserNonUniqueUsername")
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def test_username_non_unique(self):
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"""
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A non-unique USERNAME_FIELD raises an error only if the default
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authentication backend is used. Otherwise, a warning is raised.
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"""
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errors = checks.run_checks()
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self.assertEqual(
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errors,
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[
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checks.Error(
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"'CustomUserNonUniqueUsername.username' must be "
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"unique because it is named as the 'USERNAME_FIELD'.",
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obj=CustomUserNonUniqueUsername,
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id="auth.E003",
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),
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],
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)
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with self.settings(AUTHENTICATION_BACKENDS=["my.custom.backend"]):
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errors = checks.run_checks()
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self.assertEqual(
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errors,
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[
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checks.Warning(
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"'CustomUserNonUniqueUsername.username' is named as "
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"the 'USERNAME_FIELD', but it is not unique.",
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hint=(
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"Ensure that your authentication backend(s) can handle "
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"non-unique usernames."
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),
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obj=CustomUserNonUniqueUsername,
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id="auth.W004",
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),
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],
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)
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@override_settings(AUTH_USER_MODEL="auth_tests.CustomUserPartiallyUnique")
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def test_username_partially_unique(self):
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class CustomUserPartiallyUnique(AbstractBaseUser):
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username = models.CharField(max_length=30)
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USERNAME_FIELD = "username"
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class Meta:
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constraints = [
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UniqueConstraint(
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fields=["username"],
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name="partial_username_unique",
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condition=Q(password__isnull=False),
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),
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]
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errors = checks.run_checks(app_configs=self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"'CustomUserPartiallyUnique.username' must be unique because "
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"it is named as the 'USERNAME_FIELD'.",
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obj=CustomUserPartiallyUnique,
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id="auth.E003",
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),
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],
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)
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with self.settings(AUTHENTICATION_BACKENDS=["my.custom.backend"]):
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errors = checks.run_checks(app_configs=self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Warning(
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"'CustomUserPartiallyUnique.username' is named as the "
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"'USERNAME_FIELD', but it is not unique.",
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hint=(
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"Ensure that your authentication backend(s) can "
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"handle non-unique usernames."
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),
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obj=CustomUserPartiallyUnique,
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id="auth.W004",
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),
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],
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)
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@override_settings(AUTH_USER_MODEL="auth_tests.CustomUserUniqueConstraint")
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def test_username_unique_with_model_constraint(self):
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class CustomUserUniqueConstraint(AbstractBaseUser):
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username = models.CharField(max_length=30)
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USERNAME_FIELD = "username"
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class Meta:
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constraints = [
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UniqueConstraint(fields=["username"], name="username_unique"),
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]
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self.assertEqual(checks.run_checks(app_configs=self.apps.get_app_configs()), [])
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with self.settings(AUTHENTICATION_BACKENDS=["my.custom.backend"]):
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errors = checks.run_checks(app_configs=self.apps.get_app_configs())
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self.assertEqual(errors, [])
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@override_settings(AUTH_USER_MODEL="auth_tests.BadUser")
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def test_is_anonymous_authenticated_methods(self):
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"""
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<User Model>.is_anonymous/is_authenticated must not be methods.
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"""
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class BadUser(AbstractBaseUser):
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username = models.CharField(max_length=30, unique=True)
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USERNAME_FIELD = "username"
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def is_anonymous(self):
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return True
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def is_authenticated(self):
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return True
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errors = checks.run_checks(app_configs=self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Critical(
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"%s.is_anonymous must be an attribute or property rather than "
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"a method. Ignoring this is a security issue as anonymous "
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"users will be treated as authenticated!" % BadUser,
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obj=BadUser,
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id="auth.C009",
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),
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checks.Critical(
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"%s.is_authenticated must be an attribute or property rather "
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"than a method. Ignoring this is a security issue as anonymous "
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"users will be treated as authenticated!" % BadUser,
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obj=BadUser,
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id="auth.C010",
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),
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],
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)
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@isolate_apps("auth_tests", attr_name="apps")
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@override_system_checks([check_models_permissions])
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class ModelsPermissionsChecksTests(SimpleTestCase):
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def test_clashing_default_permissions(self):
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class Checked(models.Model):
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class Meta:
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permissions = [("change_checked", "Can edit permission (duplicate)")]
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The permission codenamed 'change_checked' clashes with a builtin "
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"permission for model 'auth_tests.Checked'.",
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obj=Checked,
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id="auth.E005",
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),
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],
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)
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def test_non_clashing_custom_permissions(self):
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class Checked(models.Model):
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class Meta:
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permissions = [
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("my_custom_permission", "Some permission"),
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("other_one", "Some other permission"),
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]
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(errors, [])
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def test_clashing_custom_permissions(self):
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class Checked(models.Model):
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class Meta:
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permissions = [
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("my_custom_permission", "Some permission"),
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("other_one", "Some other permission"),
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(
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"my_custom_permission",
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"Some permission with duplicate permission code",
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),
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]
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The permission codenamed 'my_custom_permission' is duplicated for "
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"model 'auth_tests.Checked'.",
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obj=Checked,
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id="auth.E006",
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),
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],
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)
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def test_verbose_name_max_length(self):
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class Checked(models.Model):
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class Meta:
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verbose_name = (
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"some ridiculously long verbose name that is out of control" * 5
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)
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The verbose_name of model 'auth_tests.Checked' must be at most "
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"244 characters for its builtin permission names to be at most 255 "
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"characters.",
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obj=Checked,
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id="auth.E007",
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),
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],
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)
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def test_model_name_max_length(self):
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model_name = "X" * 94
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model = type(model_name, (models.Model,), {"__module__": self.__module__})
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The name of model 'auth_tests.%s' must be at most 93 "
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"characters for its builtin permission codenames to be at "
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"most 100 characters." % model_name,
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obj=model,
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id="auth.E011",
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),
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],
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)
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def test_custom_permission_name_max_length(self):
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custom_permission_name = (
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"some ridiculously long verbose name that is out of control" * 5
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)
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class Checked(models.Model):
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class Meta:
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permissions = [
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("my_custom_permission", custom_permission_name),
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]
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The permission named '%s' of model 'auth_tests.Checked' is longer "
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"than 255 characters." % custom_permission_name,
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obj=Checked,
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id="auth.E008",
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),
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],
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)
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def test_custom_permission_codename_max_length(self):
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custom_permission_codename = "x" * 101
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class Checked(models.Model):
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class Meta:
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permissions = [
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(custom_permission_codename, "Custom permission"),
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]
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(
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errors,
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[
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checks.Error(
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"The permission codenamed '%s' of model 'auth_tests.Checked' "
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"is longer than 100 characters." % custom_permission_codename,
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obj=Checked,
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id="auth.E012",
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),
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],
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)
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def test_empty_default_permissions(self):
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class Checked(models.Model):
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class Meta:
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default_permissions = ()
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self.assertEqual(checks.run_checks(self.apps.get_app_configs()), [])
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