django-rest-framework/tests/test_multitable_inheritance.py
Andreas Pelme 971578ca34 Support for running the test suite with py.test
* Get rid of runtests.py
 * Moved test code  from rest_framework/tests and rest_framework/runtests to tests
 * Invoke py.test from setup.py
 * Invoke py.test from Travis
 * Invoke py.test from tox
 * Changed setUpClass to be just plain setUp in test_permissions.py
 * Updated contribution guideline to show how to invoke py.test
2014-03-02 12:40:30 +01:00

68 lines
2.0 KiB
Python

from __future__ import unicode_literals
from django.db import models
from django.test import TestCase
from rest_framework import serializers
from tests.models import RESTFrameworkModel
# Models
class ParentModel(RESTFrameworkModel):
name1 = models.CharField(max_length=100)
class ChildModel(ParentModel):
name2 = models.CharField(max_length=100)
class AssociatedModel(RESTFrameworkModel):
ref = models.OneToOneField(ParentModel, primary_key=True)
name = models.CharField(max_length=100)
# Serializers
class DerivedModelSerializer(serializers.ModelSerializer):
class Meta:
model = ChildModel
class AssociatedModelSerializer(serializers.ModelSerializer):
class Meta:
model = AssociatedModel
# Tests
class IneritedModelSerializationTests(TestCase):
def test_multitable_inherited_model_fields_as_expected(self):
"""
Assert that the parent pointer field is not included in the fields
serialized fields
"""
child = ChildModel(name1='parent name', name2='child name')
serializer = DerivedModelSerializer(child)
self.assertEqual(set(serializer.data.keys()),
set(['name1', 'name2', 'id']))
def test_onetoone_primary_key_model_fields_as_expected(self):
"""
Assert that a model with a onetoone field that is the primary key is
not treated like a derived model
"""
parent = ParentModel(name1='parent name')
associate = AssociatedModel(name='hello', ref=parent)
serializer = AssociatedModelSerializer(associate)
self.assertEqual(set(serializer.data.keys()),
set(['name', 'ref']))
def test_data_is_valid_without_parent_ptr(self):
"""
Assert that the pointer to the parent table is not a required field
for input data
"""
data = {
'name1': 'parent name',
'name2': 'child name',
}
serializer = DerivedModelSerializer(data=data)
self.assertEqual(serializer.is_valid(), True)