graphene-django/graphene_django/rest_framework/tests/test_mutation.py
2017-11-13 20:33:12 +00:00

123 lines
3.3 KiB
Python

import datetime
from graphene import Field
from graphene.types.inputobjecttype import InputObjectType
from py.test import raises
from py.test import mark
from rest_framework import serializers
from ...types import DjangoObjectType
from ..models import MyFakeModel
from ..mutation import SerializerMutation
class MyModelSerializer(serializers.ModelSerializer):
class Meta:
model = MyFakeModel
fields = '__all__'
class MySerializer(serializers.Serializer):
text = serializers.CharField()
model = MyModelSerializer()
def create(self, validated_data):
return validated_data
def test_needs_serializer_class():
with raises(Exception) as exc:
class MyMutation(SerializerMutation):
pass
assert str(exc.value) == 'serializer_class is required for the SerializerMutation'
def test_has_fields():
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MySerializer
assert 'text' in MyMutation._meta.fields
assert 'model' in MyMutation._meta.fields
assert 'errors' in MyMutation._meta.fields
def test_has_input_fields():
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MySerializer
assert 'text' in MyMutation.Input._meta.fields
assert 'model' in MyMutation.Input._meta.fields
def test_nested_model():
class MyFakeModelGrapheneType(DjangoObjectType):
class Meta:
model = MyFakeModel
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MySerializer
model_field = MyMutation._meta.fields['model']
assert isinstance(model_field, Field)
assert model_field.type == MyFakeModelGrapheneType
model_input = MyMutation.Input._meta.fields['model']
model_input_type = model_input._type.of_type
assert issubclass(model_input_type, InputObjectType)
assert 'cool_name' in model_input_type._meta.fields
assert 'created' in model_input_type._meta.fields
def test_mutate_and_get_payload_success():
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MySerializer
result = MyMutation.mutate_and_get_payload(None, None, **{
'text': 'value',
'model': {
'cool_name': 'other_value'
}
})
assert result.errors is None
@mark.django_db
def test_model_mutate_and_get_payload_success():
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MyModelSerializer
result = MyMutation.mutate_and_get_payload(None, None, **{
'cool_name': 'Narf',
})
assert result.errors is None
assert result.cool_name == 'Narf'
assert isinstance(result.created, datetime.datetime)
def test_mutate_and_get_payload_error():
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MySerializer
# missing required fields
result = MyMutation.mutate_and_get_payload(None, None, **{})
assert len(result.errors) > 0
def test_model_mutate_and_get_payload_error():
class MyMutation(SerializerMutation):
class Meta:
serializer_class = MyModelSerializer
# missing required fields
result = MyMutation.mutate_and_get_payload(None, None, **{})
assert len(result.errors) > 0