441 lines
16 KiB
Python
441 lines
16 KiB
Python
# Copyright 2015 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import datetime
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import gettext
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import iso8601
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import netaddr
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from oslo_utils import timeutils
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from oslo_versionedobjects import fields
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from magnum.common import context as magnum_context
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from magnum.common import exception
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from magnum.objects import base
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from magnum.objects import utils
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from magnum.tests import base as test_base
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gettext.install('magnum')
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@base.MagnumObjectRegistry.register
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class MyObj(base.MagnumObject):
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VERSION = '1.0'
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fields = {'foo': fields.IntegerField(),
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'bar': fields.StringField(),
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'missing': fields.StringField(),
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}
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def obj_load_attr(self, attrname):
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setattr(self, attrname, 'loaded!')
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@base.remotable_classmethod
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def query(cls, context):
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obj = cls(context)
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obj.foo = 1
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obj.bar = 'bar'
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obj.obj_reset_changes()
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return obj
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@base.remotable
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def marco(self, context):
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return 'polo'
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@base.remotable
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def update_test(self, context):
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if context.project_id == 'alternate':
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self.bar = 'alternate-context'
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else:
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self.bar = 'updated'
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@base.remotable
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def save(self, context):
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self.obj_reset_changes()
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@base.remotable
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def refresh(self, context):
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self.foo = 321
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self.bar = 'refreshed'
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self.obj_reset_changes()
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@base.remotable
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def modify_save_modify(self, context):
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self.bar = 'meow'
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self.save()
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self.foo = 42
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class MyObj2(object):
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@classmethod
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def obj_name(cls):
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return 'MyObj'
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@base.remotable_classmethod
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def get(cls, *args, **kwargs):
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pass
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class TestSubclassedObject(MyObj):
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fields = {'new_field': fields.StringField()}
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class TestUtils(test_base.TestCase):
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def test_datetime_or_none(self):
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naive_dt = datetime.datetime.now()
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dt = timeutils.parse_isotime(timeutils.isotime(naive_dt))
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self.assertEqual(utils.datetime_or_none(dt), dt)
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self.assertEqual(utils.datetime_or_none(dt),
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naive_dt.replace(tzinfo=iso8601.iso8601.Utc(),
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microsecond=0))
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self.assertIsNone(utils.datetime_or_none(None))
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self.assertRaises(ValueError, utils.datetime_or_none, 'foo')
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def test_datetime_or_str_or_none(self):
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dts = timeutils.isotime()
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dt = timeutils.parse_isotime(dts)
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self.assertEqual(utils.datetime_or_str_or_none(dt), dt)
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self.assertIsNone(utils.datetime_or_str_or_none(None))
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self.assertEqual(utils.datetime_or_str_or_none(dts), dt)
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self.assertRaises(ValueError, utils.datetime_or_str_or_none, 'foo')
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def test_int_or_none(self):
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self.assertEqual(utils.int_or_none(1), 1)
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self.assertEqual(utils.int_or_none('1'), 1)
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self.assertIsNone(utils.int_or_none(None))
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self.assertRaises(ValueError, utils.int_or_none, 'foo')
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def test_str_or_none(self):
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class Obj(object):
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pass
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self.assertEqual(utils.str_or_none('foo'), 'foo')
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self.assertEqual(utils.str_or_none(1), '1')
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self.assertIsNone(utils.str_or_none(None))
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def test_ip_or_none(self):
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ip4 = netaddr.IPAddress('1.2.3.4', 4)
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ip6 = netaddr.IPAddress('1::2', 6)
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self.assertEqual(utils.ip_or_none(4)('1.2.3.4'), ip4)
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self.assertEqual(utils.ip_or_none(6)('1::2'), ip6)
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self.assertIsNone(utils.ip_or_none(4)(None))
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self.assertIsNone(utils.ip_or_none(6)(None))
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self.assertRaises(netaddr.AddrFormatError, utils.ip_or_none(4), 'foo')
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self.assertRaises(netaddr.AddrFormatError, utils.ip_or_none(6), 'foo')
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def test_dt_serializer(self):
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class Obj(object):
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foo = utils.dt_serializer('bar')
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obj = Obj()
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obj.bar = timeutils.parse_isotime('1955-11-05T00:00:00Z')
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self.assertEqual('1955-11-05T00:00:00Z', obj.foo())
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obj.bar = None
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self.assertIsNone(obj.foo())
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obj.bar = 'foo'
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self.assertRaises(AttributeError, obj.foo)
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def test_dt_deserializer(self):
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dt = timeutils.parse_isotime('1955-11-05T00:00:00Z')
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self.assertEqual(utils.dt_deserializer(None, timeutils.isotime(dt)),
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dt)
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self.assertIsNone(utils.dt_deserializer(None, None))
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self.assertRaises(ValueError, utils.dt_deserializer, None, 'foo')
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class _TestObject(object):
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def test_hydration_type_error(self):
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primitive = {'magnum_object.name': 'MyObj',
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'magnum_object.namespace': 'magnum',
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'magnum_object.version': '1.5',
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'magnum_object.data': {'foo': 'a'}}
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self.assertRaises(ValueError, MyObj.obj_from_primitive, primitive)
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def test_hydration(self):
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primitive = {'magnum_object.name': 'MyObj',
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'magnum_object.namespace': 'magnum',
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'magnum_object.version': '1.5',
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'magnum_object.data': {'foo': 1}}
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obj = MyObj.obj_from_primitive(primitive)
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self.assertEqual(1, obj.foo)
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def test_hydration_bad_ns(self):
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primitive = {'magnum_object.name': 'MyObj',
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'magnum_object.namespace': 'foo',
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'magnum_object.version': '1.5',
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'magnum_object.data': {'foo': 1}}
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self.assertRaises(exception.UnsupportedObjectError,
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MyObj.obj_from_primitive, primitive)
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def test_dehydration(self):
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expected = {'magnum_object.name': 'MyObj',
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'magnum_object.namespace': 'magnum',
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'magnum_object.version': '1.5',
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'magnum_object.data': {'foo': 1}}
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obj = MyObj(self.context)
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obj.foo = 1
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obj.obj_reset_changes()
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self.assertEqual(expected, obj.obj_to_primitive())
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def test_get_updates(self):
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obj = MyObj(self.context)
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self.assertEqual({}, obj.obj_get_changes())
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obj.foo = 123
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self.assertEqual({'foo': 123}, obj.obj_get_changes())
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obj.bar = 'test'
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self.assertEqual({'foo': 123, 'bar': 'test'}, obj.obj_get_changes())
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obj.obj_reset_changes()
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self.assertEqual({}, obj.obj_get_changes())
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def test_object_property(self):
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obj = MyObj(self.context, foo=1)
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self.assertEqual(1, obj.foo)
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def test_object_property_type_error(self):
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obj = MyObj(self.context)
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def fail():
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obj.foo = 'a'
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self.assertRaises(ValueError, fail)
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def test_load(self):
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obj = MyObj(self.context)
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self.assertEqual('loaded!', obj.bar)
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def test_load_in_base(self):
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class Foo(base.MagnumObject):
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fields = {'foobar': fields.IntegerField()}
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obj = Foo(self.context)
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# NOTE(danms): Can't use assertRaisesRegexp() because of py26
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raised = False
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try:
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obj.foobar
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except NotImplementedError as ex:
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raised = True
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self.assertTrue(raised)
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self.assertTrue('foobar' in str(ex))
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def test_loaded_in_primitive(self):
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obj = MyObj(self.context)
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obj.foo = 1
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obj.obj_reset_changes()
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self.assertEqual('loaded!', obj.bar)
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expected = {'magnum_object.name': 'MyObj',
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'magnum_object.namespace': 'magnum',
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'magnum_object.version': '1.0',
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'magnum_object.changes': ['bar'],
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'magnum_object.data': {'foo': 1,
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'bar': 'loaded!'}}
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self.assertEqual(expected, obj.obj_to_primitive())
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def test_changes_in_primitive(self):
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obj = MyObj(self.context)
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obj.foo = 123
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self.assertEqual(set(['foo']), obj.obj_what_changed())
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primitive = obj.obj_to_primitive()
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self.assertTrue('magnum_object.changes' in primitive)
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obj2 = MyObj.obj_from_primitive(primitive)
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self.assertEqual(set(['foo']), obj2.obj_what_changed())
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obj2.obj_reset_changes()
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self.assertEqual(set(), obj2.obj_what_changed())
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def test_unknown_objtype(self):
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self.assertRaises(exception.UnsupportedObjectError,
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base.MagnumObject.obj_class_from_name, 'foo', '1.0')
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def test_with_alternate_context(self):
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context1 = magnum_context.RequestContext('foo', 'foo')
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context2 = magnum_context.RequestContext('bar', project_id='alternate')
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obj = MyObj.query(context1)
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obj.update_test(context2)
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self.assertEqual('alternate-context', obj.bar)
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self.assertRemotes()
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def test_orphaned_object(self):
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obj = MyObj.query(self.context)
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obj._context = None
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self.assertRaises(exception.OrphanedObjectError,
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obj.update_test)
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self.assertRemotes()
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def test_changed_1(self):
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obj = MyObj.query(self.context)
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obj.foo = 123
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self.assertEqual(set(['foo']), obj.obj_what_changed())
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obj.update_test(self.context)
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self.assertEqual(set(['foo', 'bar']), obj.obj_what_changed())
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self.assertEqual(123, obj.foo)
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self.assertRemotes()
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def test_changed_2(self):
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obj = MyObj.query(self.context)
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obj.foo = 123
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self.assertEqual(set(['foo']), obj.obj_what_changed())
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obj.save()
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self.assertEqual(set([]), obj.obj_what_changed())
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self.assertEqual(123, obj.foo)
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self.assertRemotes()
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def test_changed_3(self):
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obj = MyObj.query(self.context)
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obj.foo = 123
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self.assertEqual(set(['foo']), obj.obj_what_changed())
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obj.refresh()
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self.assertEqual(set([]), obj.obj_what_changed())
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self.assertEqual(321, obj.foo)
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self.assertEqual('refreshed', obj.bar)
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self.assertRemotes()
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def test_changed_4(self):
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obj = MyObj.query(self.context)
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obj.bar = 'something'
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self.assertEqual(set(['bar']), obj.obj_what_changed())
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obj.modify_save_modify(self.context)
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self.assertEqual(set(['foo']), obj.obj_what_changed())
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self.assertEqual(42, obj.foo)
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self.assertEqual('meow', obj.bar)
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self.assertRemotes()
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def test_static_result(self):
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obj = MyObj.query(self.context)
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self.assertEqual('bar', obj.bar)
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result = obj.marco()
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self.assertEqual('polo', result)
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self.assertRemotes()
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def test_updates(self):
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obj = MyObj.query(self.context)
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self.assertEqual(1, obj.foo)
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obj.update_test()
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self.assertEqual('updated', obj.bar)
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self.assertRemotes()
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def test_base_attributes(self):
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dt = datetime.datetime(1955, 11, 5)
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obj = MyObj(self.context)
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obj.created_at = dt
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obj.updated_at = dt
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expected = {'magnum_object.name': 'MyObj',
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'magnum_object.namespace': 'magnum',
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'magnum_object.version': '1.0',
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'magnum_object.changes':
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['created_at', 'updated_at'],
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'magnum_object.data':
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{'created_at': timeutils.isotime(dt),
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'updated_at': timeutils.isotime(dt)}
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}
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actual = obj.obj_to_primitive()
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# magnum_object.changes is built from a set and order is undefined
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self.assertEqual(sorted(expected['magnum_object.changes']),
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sorted(actual['magnum_object.changes']))
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del expected['magnum_object.changes'], actual['magnum_object.changes']
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self.assertEqual(expected, actual)
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def test_contains(self):
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obj = MyObj(self.context)
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self.assertFalse('foo' in obj)
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obj.foo = 1
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self.assertTrue('foo' in obj)
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self.assertFalse('does_not_exist' in obj)
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def test_obj_attr_is_set(self):
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obj = MyObj(self.context, foo=1)
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self.assertTrue(obj.obj_attr_is_set('foo'))
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self.assertFalse(obj.obj_attr_is_set('bar'))
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self.assertRaises(AttributeError, obj.obj_attr_is_set, 'bang')
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def test_get(self):
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obj = MyObj(self.context, foo=1)
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# Foo has value, should not get the default
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self.assertEqual(obj.get('foo', 2), 1)
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# Foo has value, should return the value without error
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self.assertEqual(obj.get('foo'), 1)
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# Bar is not loaded, so we should get the default
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self.assertEqual(obj.get('bar', 'not-loaded'), 'not-loaded')
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# Bar without a default should lazy-load
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self.assertEqual(obj.get('bar'), 'loaded!')
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# Bar now has a default, but loaded value should be returned
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self.assertEqual(obj.get('bar', 'not-loaded'), 'loaded!')
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# Invalid attribute should raise AttributeError
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self.assertRaises(AttributeError, obj.get, 'nothing')
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# ...even with a default
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self.assertRaises(AttributeError, obj.get, 'nothing', 3)
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def test_object_inheritance(self):
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base_fields = list(base.MagnumObject.fields.keys())
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myobj_fields = ['foo', 'bar', 'missing'] + base_fields
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myobj3_fields = ['new_field']
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self.assertTrue(issubclass(TestSubclassedObject, MyObj))
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self.assertEqual(len(myobj_fields), len(MyObj.fields))
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self.assertEqual(set(myobj_fields), set(MyObj.fields.keys()))
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self.assertEqual(len(myobj_fields) + len(myobj3_fields),
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len(TestSubclassedObject.fields))
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self.assertEqual(set(myobj_fields) | set(myobj3_fields),
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set(TestSubclassedObject.fields.keys()))
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def test_get_changes(self):
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obj = MyObj(self.context)
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self.assertEqual({}, obj.obj_get_changes())
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obj.foo = 123
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self.assertEqual({'foo': 123}, obj.obj_get_changes())
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obj.bar = 'test'
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self.assertEqual({'foo': 123, 'bar': 'test'}, obj.obj_get_changes())
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obj.obj_reset_changes()
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self.assertEqual({}, obj.obj_get_changes())
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def test_obj_fields(self):
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class TestObj(base.MagnumObject):
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fields = {'foo': fields.IntegerField()}
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obj_extra_fields = ['bar']
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@property
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def bar(self):
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return 'this is bar'
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obj = TestObj(self.context)
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self.assertEqual(set(['created_at', 'updated_at', 'foo', 'bar']),
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set(obj.obj_fields))
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def test_obj_constructor(self):
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obj = MyObj(self.context, foo=123, bar='abc')
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self.assertEqual(123, obj.foo)
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self.assertEqual('abc', obj.bar)
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self.assertEqual(set(['foo', 'bar']), obj.obj_what_changed())
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class TestObjectSerializer(test_base.TestCase):
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def test_object_serialization(self):
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ser = base.MagnumObjectSerializer()
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obj = MyObj(self.context)
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primitive = ser.serialize_entity(self.context, obj)
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self.assertTrue('magnum_object.name' in primitive)
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obj2 = ser.deserialize_entity(self.context, primitive)
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self.assertIsInstance(obj2, MyObj)
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self.assertEqual(self.context, obj2._context)
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def test_object_serialization_iterables(self):
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ser = base.MagnumObjectSerializer()
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obj = MyObj(self.context)
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for iterable in (list, tuple, set):
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thing = iterable([obj])
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primitive = ser.serialize_entity(self.context, thing)
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self.assertEqual(1, len(primitive))
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for item in primitive:
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self.assertFalse(isinstance(item, base.MagnumObject))
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thing2 = ser.deserialize_entity(self.context, primitive)
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self.assertEqual(1, len(thing2))
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for item in thing2:
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self.assertIsInstance(item, MyObj)
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