mirror of
https://github.com/django/django.git
synced 2024-12-28 03:55:50 +00:00
69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
|
# -*- encoding: utf-8 -*-
|
||
|
|
from __future__ import unicode_literals
|
||
|
|
|
||
|
|
from types import MethodType
|
||
|
|
|
||
|
|
from django.core.checks import Error
|
||
|
|
from django.db import connection, models
|
||
|
|
|
||
|
|
from .base import IsolatedModelsTestCase
|
||
|
|
|
||
|
|
|
||
|
|
class BackendSpecificChecksTests(IsolatedModelsTestCase):
|
||
|
|
|
||
|
|
def test_check_field(self):
|
||
|
|
""" Test if backend specific checks are performed. """
|
||
|
|
|
||
|
|
error = Error('an error', hint=None)
|
||
|
|
|
||
|
|
def mock(self, field, **kwargs):
|
||
|
|
return [error]
|
||
|
|
|
||
|
|
class Model(models.Model):
|
||
|
|
field = models.IntegerField()
|
||
|
|
|
||
|
|
field = Model._meta.get_field('field')
|
||
|
|
|
||
|
|
# Mock connection.validation.check_field method.
|
||
|
|
v = connection.validation
|
||
|
|
old_check_field = v.check_field
|
||
|
|
v.check_field = MethodType(mock, v)
|
||
|
|
try:
|
||
|
|
errors = field.check()
|
||
|
|
finally:
|
||
|
|
# Unmock connection.validation.check_field method.
|
||
|
|
v.check_field = old_check_field
|
||
|
|
|
||
|
|
self.assertEqual(errors, [error])
|
||
|
|
|
||
|
|
def test_validate_field(self):
|
||
|
|
""" Errors raised by deprecated `validate_field` method should be
|
||
|
|
collected. """
|
||
|
|
|
||
|
|
def mock(self, errors, opts, field):
|
||
|
|
errors.add(opts, "An error!")
|
||
|
|
|
||
|
|
class Model(models.Model):
|
||
|
|
field = models.IntegerField()
|
||
|
|
|
||
|
|
field = Model._meta.get_field('field')
|
||
|
|
expected = [
|
||
|
|
Error(
|
||
|
|
"An error!",
|
||
|
|
hint=None,
|
||
|
|
obj=field,
|
||
|
|
)
|
||
|
|
]
|
||
|
|
|
||
|
|
# Mock connection.validation.validate_field method.
|
||
|
|
v = connection.validation
|
||
|
|
old_validate_field = v.validate_field
|
||
|
|
v.validate_field = MethodType(mock, v)
|
||
|
|
try:
|
||
|
|
errors = field.check()
|
||
|
|
finally:
|
||
|
|
# Unmock connection.validation.validate_field method.
|
||
|
|
v.validate_field = old_validate_field
|
||
|
|
|
||
|
|
self.assertEqual(errors, expected)
|