def test_dehydrate_with_callable(self):
# note = Note()
bundle_1 = Bundle(obj=self.note_2)
field_1 = ToManyField(SubjectResource, attribute=lambda bundle: Subject.objects.filter(notes=bundle.obj, name__startswith='Personal'))
field_1.instance_name = 'm2m'
self.assertEqual(field_1.dehydrate(bundle_1), ['/api/v1/subjects/3/'])
def test_traversed_attribute_dehydrate(self):
mediabit = MediaBit(id=1, note=self.note_1)
bundle = Bundle(obj=mediabit)
field_1 = ToManyField(SubjectResource, 'note__subjects')
field_1.instance_name = 'm2m'
self.assertEqual(field_1.dehydrate(bundle), ['/api/v1/subjects/1/', '/api/v1/subjects/2/'])
field_2 = ToOneField(SubjectResource, 'fakefield__subjects')
field_2.instance_name = 'm2m'
self.assertRaises(ApiFieldError, field_2.hydrate, bundle)
def test_dehydrate(self):
note = Note()
bundle_1 = Bundle(obj=note)
field_1 = ToManyField(SubjectResource, 'subjects')
field_1.instance_name = 'm2m'
self.assertRaises(ApiFieldError, field_1.dehydrate, bundle_1)
field_2 = ToManyField(SubjectResource, 'subjects', null=True)
field_2.instance_name = 'm2m'
self.assertEqual(field_2.dehydrate(bundle_1), [])
field_3 = ToManyField(SubjectResource, 'subjects')
field_3.instance_name = 'm2m'
bundle_3 = Bundle(obj=self.note_1)
self.assertEqual(field_3.dehydrate(bundle_3), ['/api/v1/subjects/1/', '/api/v1/subjects/2/'])
field_4 = ToManyField(SubjectResource, 'subjects', full=True)
field_4.instance_name = 'm2m'
bundle_4 = Bundle(obj=self.note_1)
subject_bundle_list = field_4.dehydrate(bundle_4)
self.assertEqual(len(subject_bundle_list), 2)
self.assertEqual(isinstance(subject_bundle_list[0], Bundle), True)
self.assertEqual(subject_bundle_list[0].data['name'], u'News')
self.assertEqual(subject_bundle_list[0].data['url'], u'/news/')
self.assertEqual(subject_bundle_list[0].obj.name, u'News')
self.assertEqual(subject_bundle_list[0].obj.url, u'/news/')
self.assertEqual(isinstance(subject_bundle_list[1], Bundle), True)
self.assertEqual(subject_bundle_list[1].data['name'], u'Photos')
self.assertEqual(subject_bundle_list[1].data['url'], u'/photos/')
self.assertEqual(subject_bundle_list[1].obj.name, u'Photos')
self.assertEqual(subject_bundle_list[1].obj.url, u'/photos/')
field_5 = ToManyField(SubjectResource, 'subjects')
field_5.instance_name = 'm2m'
bundle_5 = Bundle(obj=self.note_2)
self.assertEqual(field_5.dehydrate(bundle_5), ['/api/v1/subjects/1/', '/api/v1/subjects/3/'])
field_6 = ToManyField(SubjectResource, 'subjects')
field_6.instance_name = 'm2m'
bundle_6 = Bundle(obj=self.note_3)
self.assertEqual(field_6.dehydrate(bundle_6), [])
try:
# Regression for missing variable initialization.
field_7 = ToManyField(SubjectResource, None)
field_7.instance_name = 'm2m'
bundle_7 = Bundle(obj=self.note_3)
field_7.dehydrate(bundle_7)
self.fail('ToManyField requires an attribute of some type.')
except ApiFieldError:
pass