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