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django/tests/check_framework/test_model_field_deprecation.py

85 lines
2.5 KiB
Python

from django.core import checks
from django.db import models
from django.test import SimpleTestCase
from django.test.utils import isolate_apps
@isolate_apps('check_framework')
class TestDeprecatedField(SimpleTestCase):
def test_default_details(self):
class MyField(models.Field):
system_check_deprecated_details = {}
class Model(models.Model):
name = MyField()
model = Model()
self.assertEqual(model.check(), [
checks.Warning(
msg='MyField has been deprecated.',
obj=Model._meta.get_field('name'),
id='fields.WXXX',
)
])
def test_user_specified_details(self):
class MyField(models.Field):
system_check_deprecated_details = {
'msg': 'This field is deprecated and will be removed soon.',
'hint': 'Use something else.',
'id': 'fields.W999',
}
class Model(models.Model):
name = MyField()
model = Model()
self.assertEqual(model.check(), [
checks.Warning(
msg='This field is deprecated and will be removed soon.',
hint='Use something else.',
obj=Model._meta.get_field('name'),
id='fields.W999',
)
])
@isolate_apps('check_framework')
class TestRemovedField(SimpleTestCase):
def test_default_details(self):
class MyField(models.Field):
system_check_removed_details = {}
class Model(models.Model):
name = MyField()
model = Model()
self.assertEqual(model.check(), [
checks.Error(
msg='MyField has been removed except for support in historical migrations.',
obj=Model._meta.get_field('name'),
id='fields.EXXX',
)
])
def test_user_specified_details(self):
class MyField(models.Field):
system_check_removed_details = {
'msg': 'Support for this field is gone.',
'hint': 'Use something else.',
'id': 'fields.E999',
}
class Model(models.Model):
name = MyField()
model = Model()
self.assertEqual(model.check(), [
checks.Error(
msg='Support for this field is gone.',
hint='Use something else.',
obj=Model._meta.get_field('name'),
id='fields.E999',
)
])