Fix validation for ListSerializer (#8979)

* fix: Make the instance variable of child serializer point to the correct list object instead of the entire list when validating ListSerializer

* fix formatting issues for list serializer validation fix

* fix imports sorting for list serializer tests

* remove django 2.2 from docs index (#8982)

* Declared Django 4.2 support in README.md (#8985)

* Fix Links in Documentation to Django `reverse` and `reverse_lazy` (#8986)

* Fix Django Docs url in reverse.md

Django URLs of the documentation of `reverse` and `reverse_lazy` were wrong.

* Update reverse.md

* fix URLPathVersioning reverse fallback (#7247)

* fix URLPathVersioning reverse fallback

* add test for URLPathVersioning reverse fallback

* Update tests/test_versioning.py

---------

Co-authored-by: Jorn van Wier <jorn.van.wier@thunderbyte.ai>
Co-authored-by: Asif Saif Uddin <auvipy@gmail.com>

* Make set_value a method within `Serializer` (#8001)

* Make set_value a static method for Serializers

As an alternative to #7671, let the method be overridden if needed. As
the function is only used for serializers, it has a better place in the
Serializer class.

* Set `set_value` as an object (non-static) method

* Add tests for set_value()

These tests follow the examples given in the method.

* fix: Make the instance variable of child serializer point to the correct list object instead of the entire list when validating ListSerializer

* Make set_value a method within `Serializer` (#8001)

* Make set_value a static method for Serializers

As an alternative to #7671, let the method be overridden if needed. As
the function is only used for serializers, it has a better place in the
Serializer class.

* Set `set_value` as an object (non-static) method

* Add tests for set_value()

These tests follow the examples given in the method.

* fix: Make the instance variable of child serializer point to the correct list object instead of the entire list when validating ListSerializer

* fix: Make the instance variable of child serializer point to the correct list object instead of the entire list when validating ListSerializer

* fix formatting issues for list serializer validation fix

* fix: Make the instance variable of child serializer point to the correct list object instead of the entire list when validating ListSerializer

* fix formatting issues for list serializer validation fix

* fix linting

* Update rest_framework/serializers.py

Co-authored-by: Sergei Shishov <sshishov@users.noreply.github.com>

* Update rest_framework/serializers.py

Co-authored-by: Sergei Shishov <sshishov@users.noreply.github.com>

* fix: instance variable in list serializer, remove commented code

---------

Co-authored-by: Mathieu Dupuy <deronnax@gmail.com>
Co-authored-by: Mehraz Hossain Rumman <59512321+MehrazRumman@users.noreply.github.com>
Co-authored-by: Dominik Bruhn <dominik@dbruhn.de>
Co-authored-by: jornvanwier <mail@jornvanwier.com>
Co-authored-by: Jorn van Wier <jorn.van.wier@thunderbyte.ai>
Co-authored-by: Asif Saif Uddin <auvipy@gmail.com>
Co-authored-by: Étienne Beaulé <beauleetienne0@gmail.com>
Co-authored-by: Sergei Shishov <sshishov@users.noreply.github.com>
This commit is contained in:
Saad Aleem 2023-05-29 19:03:11 +05:00 committed by GitHub
parent d252d22343
commit e2a4559c03
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2 changed files with 74 additions and 1 deletions

View File

@ -609,6 +609,12 @@ class ListSerializer(BaseSerializer):
self.min_length = kwargs.pop('min_length', None)
assert self.child is not None, '`child` is a required argument.'
assert not inspect.isclass(self.child), '`child` has not been instantiated.'
instance = kwargs.get('instance', [])
data = kwargs.get('data', [])
if instance and data:
assert len(data) == len(instance), 'Data and instance should have same length'
super().__init__(*args, **kwargs)
self.child.bind(field_name='', parent=self)
@ -683,7 +689,13 @@ class ListSerializer(BaseSerializer):
ret = []
errors = []
for item in data:
for idx, item in enumerate(data):
if (
hasattr(self, 'instance')
and self.instance
and len(self.instance) > idx
):
self.child.instance = self.instance[idx]
try:
validated = self.child.run_validation(item)
except ValidationError as exc:

View File

@ -2,6 +2,7 @@ import inspect
import pickle
import re
import sys
import unittest
from collections import ChainMap
from collections.abc import Mapping
@ -783,3 +784,63 @@ class TestSetValueMethod:
ret = {'a': 1}
self.s.set_value(ret, ['x', 'y'], 2)
assert ret == {'a': 1, 'x': {'y': 2}}
class MyClass(models.Model):
name = models.CharField(max_length=100)
value = models.CharField(max_length=100, blank=True)
app_label = "test"
@property
def is_valid(self):
return self.name == 'valid'
class MyClassSerializer(serializers.ModelSerializer):
class Meta:
model = MyClass
fields = ('id', 'name', 'value')
def validate_value(self, value):
if value and not self.instance.is_valid:
raise serializers.ValidationError(
'Status cannot be set for invalid instance')
return value
class TestMultipleObjectsValidation(unittest.TestCase):
def setUp(self):
self.objs = [
MyClass(name='valid'),
MyClass(name='invalid'),
MyClass(name='other'),
]
def test_multiple_objects_are_validated_separately(self):
serializer = MyClassSerializer(
data=[{'value': 'set', 'id': instance.id} for instance in
self.objs],
instance=self.objs,
many=True,
partial=True,
)
assert not serializer.is_valid()
assert serializer.errors == [
{},
{'value': ['Status cannot be set for invalid instance']},
{'value': ['Status cannot be set for invalid instance']}
]
def test_exception_raised_when_data_and_instance_length_different(self):
with self.assertRaises(AssertionError):
MyClassSerializer(
data=[{'value': 'set', 'id': instance.id} for instance in
self.objs],
instance=self.objs[:-1],
many=True,
partial=True,
)