mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-11-10 19:56:59 +03:00
357 lines
12 KiB
Python
357 lines
12 KiB
Python
import pytest
|
|
from django.db import models
|
|
from django.http import QueryDict
|
|
from django.test import TestCase
|
|
|
|
from rest_framework import serializers
|
|
from rest_framework.compat import postgres_fields
|
|
from rest_framework.serializers import raise_errors_on_nested_writes
|
|
|
|
|
|
class TestNestedSerializer:
|
|
def setup_method(self):
|
|
class NestedSerializer(serializers.Serializer):
|
|
one = serializers.IntegerField(max_value=10)
|
|
two = serializers.IntegerField(max_value=10)
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
nested = NestedSerializer()
|
|
|
|
self.Serializer = TestSerializer
|
|
|
|
def test_nested_validate(self):
|
|
input_data = {
|
|
'nested': {
|
|
'one': '1',
|
|
'two': '2',
|
|
}
|
|
}
|
|
expected_data = {
|
|
'nested': {
|
|
'one': 1,
|
|
'two': 2,
|
|
}
|
|
}
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data == expected_data
|
|
|
|
def test_nested_serialize_empty(self):
|
|
expected_data = {
|
|
'nested': {
|
|
'one': None,
|
|
'two': None
|
|
}
|
|
}
|
|
serializer = self.Serializer()
|
|
assert serializer.data == expected_data
|
|
|
|
def test_nested_serialize_no_data(self):
|
|
data = None
|
|
serializer = self.Serializer(data=data)
|
|
assert not serializer.is_valid()
|
|
assert serializer.errors == {'non_field_errors': ['No data provided']}
|
|
|
|
|
|
class TestNotRequiredNestedSerializer:
|
|
def setup_method(self):
|
|
class NestedSerializer(serializers.Serializer):
|
|
one = serializers.IntegerField(max_value=10)
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
nested = NestedSerializer(required=False)
|
|
|
|
self.Serializer = TestSerializer
|
|
|
|
def test_json_validate(self):
|
|
input_data = {}
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
|
|
input_data = {'nested': {'one': '1'}}
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
|
|
def test_multipart_validate(self):
|
|
input_data = QueryDict('')
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
|
|
input_data = QueryDict('nested[one]=1')
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
|
|
|
|
class TestNestedSerializerWithMany:
|
|
def setup_method(self):
|
|
class NestedSerializer(serializers.Serializer):
|
|
example = serializers.IntegerField(max_value=10)
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
allow_null = NestedSerializer(many=True, allow_null=True)
|
|
not_allow_null = NestedSerializer(many=True)
|
|
allow_empty = NestedSerializer(many=True, allow_empty=True)
|
|
not_allow_empty = NestedSerializer(many=True, allow_empty=False)
|
|
|
|
self.Serializer = TestSerializer
|
|
|
|
def test_null_allowed_if_allow_null_is_set(self):
|
|
input_data = {
|
|
'allow_null': None,
|
|
'not_allow_null': [{'example': '2'}, {'example': '3'}],
|
|
'allow_empty': [{'example': '2'}],
|
|
'not_allow_empty': [{'example': '2'}],
|
|
}
|
|
expected_data = {
|
|
'allow_null': None,
|
|
'not_allow_null': [{'example': 2}, {'example': 3}],
|
|
'allow_empty': [{'example': 2}],
|
|
'not_allow_empty': [{'example': 2}],
|
|
}
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
assert serializer.is_valid(), serializer.errors
|
|
assert serializer.validated_data == expected_data
|
|
|
|
def test_null_is_not_allowed_if_allow_null_is_not_set(self):
|
|
input_data = {
|
|
'allow_null': None,
|
|
'not_allow_null': None,
|
|
'allow_empty': [{'example': '2'}],
|
|
'not_allow_empty': [{'example': '2'}],
|
|
}
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
assert not serializer.is_valid()
|
|
|
|
expected_errors = {'not_allow_null': [serializer.error_messages['null']]}
|
|
assert serializer.errors == expected_errors
|
|
|
|
def test_run_the_field_validation_even_if_the_field_is_null(self):
|
|
class TestSerializer(self.Serializer):
|
|
validation_was_run = False
|
|
|
|
def validate_allow_null(self, value):
|
|
TestSerializer.validation_was_run = True
|
|
return value
|
|
|
|
input_data = {
|
|
'allow_null': None,
|
|
'not_allow_null': [{'example': 2}],
|
|
'allow_empty': [{'example': 2}],
|
|
'not_allow_empty': [{'example': 2}],
|
|
}
|
|
serializer = TestSerializer(data=input_data)
|
|
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data == input_data
|
|
assert TestSerializer.validation_was_run
|
|
|
|
def test_empty_allowed_if_allow_empty_is_set(self):
|
|
input_data = {
|
|
'allow_null': [{'example': '2'}],
|
|
'not_allow_null': [{'example': '2'}],
|
|
'allow_empty': [],
|
|
'not_allow_empty': [{'example': '2'}],
|
|
}
|
|
expected_data = {
|
|
'allow_null': [{'example': 2}],
|
|
'not_allow_null': [{'example': 2}],
|
|
'allow_empty': [],
|
|
'not_allow_empty': [{'example': 2}],
|
|
}
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
assert serializer.is_valid(), serializer.errors
|
|
assert serializer.validated_data == expected_data
|
|
|
|
def test_empty_not_allowed_if_allow_empty_is_set_to_false(self):
|
|
input_data = {
|
|
'allow_null': [{'example': '2'}],
|
|
'not_allow_null': [{'example': '2'}],
|
|
'allow_empty': [],
|
|
'not_allow_empty': [],
|
|
}
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
assert not serializer.is_valid()
|
|
|
|
expected_errors = {'not_allow_empty': {'non_field_errors': [serializers.ListSerializer.default_error_messages['empty']]}}
|
|
assert serializer.errors == expected_errors
|
|
|
|
|
|
class TestNestedSerializerWithList:
|
|
def setup_method(self):
|
|
class NestedSerializer(serializers.Serializer):
|
|
example = serializers.MultipleChoiceField(choices=[1, 2, 3])
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
nested = NestedSerializer()
|
|
|
|
self.Serializer = TestSerializer
|
|
|
|
def test_nested_serializer_with_list_json(self):
|
|
input_data = {
|
|
'nested': {
|
|
'example': [1, 2],
|
|
}
|
|
}
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data['nested']['example'] == {1, 2}
|
|
|
|
def test_nested_serializer_with_list_multipart(self):
|
|
input_data = QueryDict('nested.example=1&nested.example=2')
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data['nested']['example'] == {1, 2}
|
|
|
|
|
|
class TestNotRequiredNestedSerializerWithMany:
|
|
def setup_method(self):
|
|
class NestedSerializer(serializers.Serializer):
|
|
one = serializers.IntegerField(max_value=10)
|
|
|
|
class TestSerializer(serializers.Serializer):
|
|
nested = NestedSerializer(required=False, many=True)
|
|
|
|
self.Serializer = TestSerializer
|
|
|
|
def test_json_validate(self):
|
|
input_data = {}
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
# request is empty, therefore 'nested' should not be in serializer.data
|
|
assert serializer.is_valid()
|
|
assert 'nested' not in serializer.validated_data
|
|
|
|
input_data = {'nested': [{'one': '1'}, {'one': 2}]}
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
assert 'nested' in serializer.validated_data
|
|
|
|
def test_multipart_validate(self):
|
|
# leave querydict empty
|
|
input_data = QueryDict('')
|
|
serializer = self.Serializer(data=input_data)
|
|
|
|
# the querydict is empty, therefore 'nested' should not be in serializer.data
|
|
assert serializer.is_valid()
|
|
assert 'nested' not in serializer.validated_data
|
|
|
|
input_data = QueryDict('nested[0]one=1&nested[1]one=2')
|
|
|
|
serializer = self.Serializer(data=input_data)
|
|
assert serializer.is_valid()
|
|
assert 'nested' in serializer.validated_data
|
|
|
|
|
|
class NestedWriteProfile(models.Model):
|
|
address = models.CharField(max_length=100)
|
|
|
|
|
|
class NestedWritePerson(models.Model):
|
|
profile = models.ForeignKey(NestedWriteProfile, on_delete=models.CASCADE)
|
|
|
|
|
|
class TestNestedWriteErrors(TestCase):
|
|
# tests for rests_framework.serializers.raise_errors_on_nested_writes
|
|
def test_nested_serializer_error(self):
|
|
class ProfileSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = NestedWriteProfile
|
|
fields = ['address']
|
|
|
|
class NestedProfileSerializer(serializers.ModelSerializer):
|
|
profile = ProfileSerializer()
|
|
|
|
class Meta:
|
|
model = NestedWritePerson
|
|
fields = ['profile']
|
|
|
|
serializer = NestedProfileSerializer(data={'profile': {'address': '52 festive road'}})
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data == {'profile': {'address': '52 festive road'}}
|
|
with pytest.raises(AssertionError) as exc_info:
|
|
serializer.save()
|
|
|
|
assert str(exc_info.value) == (
|
|
'The `.create()` method does not support writable nested fields by '
|
|
'default.\nWrite an explicit `.create()` method for serializer '
|
|
'`tests.test_serializer_nested.NestedProfileSerializer`, or set '
|
|
'`read_only=True` on nested serializer fields.'
|
|
)
|
|
|
|
def test_dotted_source_field_error(self):
|
|
class DottedAddressSerializer(serializers.ModelSerializer):
|
|
address = serializers.CharField(source='profile.address')
|
|
|
|
class Meta:
|
|
model = NestedWritePerson
|
|
fields = ['address']
|
|
|
|
serializer = DottedAddressSerializer(data={'address': '52 festive road'})
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data == {'profile': {'address': '52 festive road'}}
|
|
with pytest.raises(AssertionError) as exc_info:
|
|
serializer.save()
|
|
|
|
assert str(exc_info.value) == (
|
|
'The `.create()` method does not support writable dotted-source '
|
|
'fields by default.\nWrite an explicit `.create()` method for '
|
|
'serializer `tests.test_serializer_nested.DottedAddressSerializer`, '
|
|
'or set `read_only=True` on dotted-source serializer fields.'
|
|
)
|
|
|
|
|
|
if postgres_fields:
|
|
class NonRelationalPersonModel(models.Model):
|
|
"""Model declaring a postgres JSONField"""
|
|
data = postgres_fields.JSONField()
|
|
|
|
class Meta:
|
|
required_db_features = {'supports_json_field'}
|
|
|
|
|
|
@pytest.mark.skipif(not postgres_fields, reason='psycopg2 is not installed')
|
|
class TestNestedNonRelationalFieldWrite:
|
|
"""
|
|
Test that raise_errors_on_nested_writes does not raise `AssertionError` when the
|
|
model field is not a relation.
|
|
"""
|
|
|
|
def test_nested_serializer_create_and_update(self):
|
|
|
|
class NonRelationalPersonDataSerializer(serializers.Serializer):
|
|
occupation = serializers.CharField()
|
|
|
|
class NonRelationalPersonSerializer(serializers.ModelSerializer):
|
|
data = NonRelationalPersonDataSerializer()
|
|
|
|
class Meta:
|
|
model = NonRelationalPersonModel
|
|
fields = ['data']
|
|
|
|
serializer = NonRelationalPersonSerializer(data={'data': {'occupation': 'developer'}})
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data == {'data': {'occupation': 'developer'}}
|
|
raise_errors_on_nested_writes('create', serializer, serializer.validated_data)
|
|
raise_errors_on_nested_writes('update', serializer, serializer.validated_data)
|
|
|
|
def test_dotted_source_field_create_and_update(self):
|
|
|
|
class DottedNonRelationalPersonSerializer(serializers.ModelSerializer):
|
|
occupation = serializers.CharField(source='data.occupation')
|
|
|
|
class Meta:
|
|
model = NonRelationalPersonModel
|
|
fields = ['occupation']
|
|
|
|
serializer = DottedNonRelationalPersonSerializer(data={'occupation': 'developer'})
|
|
assert serializer.is_valid()
|
|
assert serializer.validated_data == {'data': {'occupation': 'developer'}}
|
|
raise_errors_on_nested_writes('create', serializer, serializer.validated_data)
|
|
raise_errors_on_nested_writes('update', serializer, serializer.validated_data)
|