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296 lines
12 KiB
Python
296 lines
12 KiB
Python
from django.contrib.auth.checks import (
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check_models_permissions, check_user_model,
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)
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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 (
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SimpleTestCase, override_settings, override_system_checks,
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)
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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(errors, [
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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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@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(errors, [
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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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@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(errors, [
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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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with self.settings(AUTHENTICATION_BACKENDS=['my.custom.backend']):
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errors = checks.run_checks()
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self.assertEqual(errors, [
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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='Ensure that your authentication backend(s) can handle non-unique usernames.',
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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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@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(errors, [
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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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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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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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@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(errors, [
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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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@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 = [
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('change_checked', 'Can edit permission (duplicate)')
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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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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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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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('my_custom_permission', 'Some permission with duplicate permission code'),
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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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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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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 = 'some ridiculously long verbose name that is out of control' * 5
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errors = checks.run_checks(self.apps.get_app_configs())
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self.assertEqual(errors, [
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checks.Error(
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"The verbose_name of model 'auth_tests.Checked' must be at most 244 "
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"characters for its builtin permission names to be at most 255 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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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(errors, [
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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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def test_custom_permission_name_max_length(self):
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custom_permission_name = 'some ridiculously long verbose name that is out of control' * 5
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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(errors, [
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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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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(errors, [
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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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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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