Arthur de Jong

Open Source / Free Software developer

summaryrefslogtreecommitdiffstats
path: root/tests/check_framework/test_model_field_deprecation.py
blob: ce30803a616ae9ef2a49fa7b7f6a9b1c49fff5c6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
from django.core import checks
from django.db import models
from django.test import SimpleTestCase

from .tests import IsolateModelsMixin


class TestDeprecatedField(IsolateModelsMixin, 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(IsolateModelsMixin, 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',
            )
        ])