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Code Issues 32 Releases Wiki Activity

Fixed #23861 -- Added an API to deprecate model fields.

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Thanks Markus Holterman and Berker Peksag for review.
This commit is contained in:
Tim Graham
2015-01-01 10:31:36 -05:00
parent 6e1c9c6568
commit c87ee41954
4 changed files with 173 additions and 13 deletions
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83
tests/check_framework/test_model_field_deprecation.py Normal file
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from django.db import models
from django.core import checks
from django.test import SimpleTestCase
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.',
hint=None,
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',
)
])
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.',
hint=None,
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',
)
])