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from unittest import skipUnless
from django.core import checks
from django.db import connection, models
from django.test import SimpleTestCase
from django.test.utils import isolate_apps
@isolate_apps("invalid_models_tests")
class DeprecatedFieldsTests(SimpleTestCase):
def test_IPAddressField_deprecated(self):
class IPAddressModel(models.Model):
ip = models.IPAddressField()
model = IPAddressModel()
self.assertEqual(
model.check(),
[
checks.Error(
"IPAddressField has been removed except for support in "
"historical migrations.",
hint="Use GenericIPAddressField instead.",
obj=IPAddressModel._meta.get_field("ip"),
id="fields.E900",
)
],
)
def test_CommaSeparatedIntegerField_deprecated(self):
class CommaSeparatedIntegerModel(models.Model):
csi = models.CommaSeparatedIntegerField(max_length=64)
model = CommaSeparatedIntegerModel()
self.assertEqual(
model.check(),
[
checks.Error(
"CommaSeparatedIntegerField is removed except for support in "
"historical migrations.",
hint=(
"Use "
"CharField(validators=[validate_comma_separated_integer_list]) "
"instead."
),
obj=CommaSeparatedIntegerModel._meta.get_field("csi"),
id="fields.E901",
)
],
)
def test_nullbooleanfield_deprecated(self):
class NullBooleanFieldModel(models.Model):
nb = models.NullBooleanField()
model = NullBooleanFieldModel()
self.assertEqual(
model.check(),
[
checks.Error(
"NullBooleanField is removed except for support in historical "
"migrations.",
hint="Use BooleanField(null=True) instead.",
obj=NullBooleanFieldModel._meta.get_field("nb"),
id="fields.E903",
),
],
)
@skipUnless(connection.vendor == "postgresql", "PostgreSQL specific SQL")
def test_postgres_jsonfield_deprecated(self):
from django.contrib.postgres.fields import JSONField
class PostgresJSONFieldModel(models.Model):
field = JSONField()
self.assertEqual(
PostgresJSONFieldModel.check(),
[
checks.Error(
"django.contrib.postgres.fields.JSONField is removed except "
"for support in historical migrations.",
hint="Use django.db.models.JSONField instead.",
obj=PostgresJSONFieldModel._meta.get_field("field"),
id="fields.E904",
),
],
)
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