595 lines
21 KiB
Python
595 lines
21 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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import six
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from magnum.common import 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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class MyObj(base.MagnumObject):
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VERSION = '1.0'
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fields = {'foo': int,
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'bar': str,
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'missing': str,
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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': str}
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class TestMetaclass(test_base.TestCase):
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def test_obj_tracking(self):
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@six.add_metaclass(base.MagnumObjectMetaclass)
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class NewBaseClass(object):
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fields = {}
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@classmethod
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def obj_name(cls):
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return cls.__name__
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class Test1(NewBaseClass):
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@staticmethod
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def obj_name():
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return 'fake1'
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class Test2(NewBaseClass):
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pass
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class Test2v2(NewBaseClass):
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@staticmethod
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def obj_name():
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return 'Test2'
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expected = {'fake1': [Test1], 'Test2': [Test2, Test2v2]}
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self.assertEqual(expected, NewBaseClass._obj_classes)
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# The following should work, also.
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self.assertEqual(expected, Test1._obj_classes)
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self.assertEqual(expected, Test2._obj_classes)
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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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def test_obj_to_primitive_list(self):
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class MyList(base.ObjectListBase, base.MagnumObject):
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pass
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mylist = MyList(self.context)
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mylist.objects = [1, 2, 3]
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self.assertEqual([1, 2, 3], base.obj_to_primitive(mylist))
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def test_obj_to_primitive_dict(self):
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myobj = MyObj(self.context)
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myobj.foo = 1
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myobj.bar = 'foo'
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self.assertEqual({'foo': 1, 'bar': 'foo'},
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base.obj_to_primitive(myobj))
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def test_obj_to_primitive_recursive(self):
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class MyList(base.ObjectListBase, base.MagnumObject):
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pass
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mylist = MyList(self.context)
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mylist.objects = [MyObj(self.context), MyObj(self.context)]
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for i, value in enumerate(mylist):
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value.foo = i
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self.assertEqual([{'foo': 0}, {'foo': 1}],
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base.obj_to_primitive(mylist))
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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_object_dict_syntax(self):
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obj = MyObj(self.context)
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obj.foo = 123
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obj.bar = 'bar'
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self.assertEqual(123, obj['foo'])
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self.assertEqual([('bar', 'bar'), ('foo', 123)],
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sorted(obj.items(), key=lambda x: x[0]))
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self.assertEqual([('bar', 'bar'), ('foo', 123)],
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sorted(list(obj.iteritems()), key=lambda x: x[0]))
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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': int}
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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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ctxt1 = context.RequestContext('foo', 'foo')
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ctxt2 = context.RequestContext('bar', project_id='alternate')
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obj = MyObj.query(ctxt1)
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obj.update_test(ctxt2)
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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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}
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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 = 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': int}
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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 TestObjectListBase(test_base.TestCase):
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def test_list_like_operations(self):
|
|
class Foo(base.ObjectListBase, base.MagnumObject):
|
|
pass
|
|
|
|
objlist = Foo(self.context)
|
|
objlist._context = 'foo'
|
|
objlist.objects = [1, 2, 3]
|
|
self.assertEqual(list(objlist), objlist.objects)
|
|
self.assertEqual(3, len(objlist))
|
|
self.assertIn(2, objlist)
|
|
self.assertEqual([1], list(objlist[:1]))
|
|
self.assertEqual('foo', objlist[:1]._context)
|
|
self.assertEqual(3, objlist[2])
|
|
self.assertEqual(1, objlist.count(1))
|
|
self.assertEqual(1, objlist.index(2))
|
|
|
|
def test_serialization(self):
|
|
class Foo(base.ObjectListBase, base.MagnumObject):
|
|
pass
|
|
|
|
class Bar(base.MagnumObject):
|
|
fields = {'foo': str}
|
|
|
|
obj = Foo(self.context)
|
|
obj.objects = []
|
|
for i in 'abc':
|
|
bar = Bar(self.context)
|
|
bar.foo = i
|
|
obj.objects.append(bar)
|
|
|
|
obj2 = base.MagnumObject.obj_from_primitive(obj.obj_to_primitive())
|
|
self.assertFalse(obj is obj2)
|
|
self.assertEqual([x.foo for x in obj],
|
|
[y.foo for y in obj2])
|
|
|
|
def _test_object_list_version_mappings(self, list_obj_class):
|
|
# Figure out what sort of object this list is for
|
|
list_field = list_obj_class.fields['objects']
|
|
item_obj_field = list_field._type._element_type
|
|
item_obj_name = item_obj_field._type._obj_name
|
|
|
|
# Look through all object classes of this type and make sure that
|
|
# the versions we find are covered by the parent list class
|
|
for item_class in base.MagnumObject._obj_classes[item_obj_name]:
|
|
self.assertIn(
|
|
item_class.VERSION,
|
|
list_obj_class.child_versions.values())
|
|
|
|
def test_object_version_mappings(self):
|
|
# Find all object list classes and make sure that they at least handle
|
|
# all the current object versions
|
|
for obj_classes in base.MagnumObject._obj_classes.values():
|
|
for obj_class in obj_classes:
|
|
if issubclass(obj_class, base.ObjectListBase):
|
|
self._test_object_list_version_mappings(obj_class)
|
|
|
|
def test_list_changes(self):
|
|
class Foo(base.ObjectListBase, base.MagnumObject):
|
|
pass
|
|
|
|
class Bar(base.MagnumObject):
|
|
fields = {'foo': str}
|
|
|
|
obj = Foo(self.context, objects=[])
|
|
self.assertEqual(set(['objects']), obj.obj_what_changed())
|
|
obj.objects.append(Bar(self.context, foo='test'))
|
|
self.assertEqual(set(['objects']), obj.obj_what_changed())
|
|
obj.obj_reset_changes()
|
|
# This should still look dirty because the child is dirty
|
|
self.assertEqual(set(['objects']), obj.obj_what_changed())
|
|
obj.objects[0].obj_reset_changes()
|
|
# This should now look clean because the child is clean
|
|
self.assertEqual(set(), obj.obj_what_changed())
|
|
|
|
|
|
class TestObjectSerializer(test_base.TestCase):
|
|
|
|
def test_serialize_entity_primitive(self):
|
|
ser = base.MagnumObjectSerializer()
|
|
for thing in (1, 'foo', [1, 2], {'foo': 'bar'}):
|
|
self.assertEqual(thing, ser.serialize_entity(None, thing))
|
|
|
|
def test_deserialize_entity_primitive(self):
|
|
ser = base.MagnumObjectSerializer()
|
|
for thing in (1, 'foo', [1, 2], {'foo': 'bar'}):
|
|
self.assertEqual(thing, ser.deserialize_entity(None, thing))
|
|
|
|
def test_object_serialization(self):
|
|
ser = base.MagnumObjectSerializer()
|
|
obj = MyObj(self.context)
|
|
primitive = ser.serialize_entity(self.context, obj)
|
|
self.assertTrue('magnum_object.name' in primitive)
|
|
obj2 = ser.deserialize_entity(self.context, primitive)
|
|
self.assertIsInstance(obj2, MyObj)
|
|
self.assertEqual(self.context, obj2._context)
|
|
|
|
def test_object_serialization_iterables(self):
|
|
ser = base.MagnumObjectSerializer()
|
|
obj = MyObj(self.context)
|
|
for iterable in (list, tuple, set):
|
|
thing = iterable([obj])
|
|
primitive = ser.serialize_entity(self.context, thing)
|
|
self.assertEqual(1, len(primitive))
|
|
for item in primitive:
|
|
self.assertFalse(isinstance(item, base.MagnumObject))
|
|
thing2 = ser.deserialize_entity(self.context, primitive)
|
|
self.assertEqual(1, len(thing2))
|
|
for item in thing2:
|
|
self.assertIsInstance(item, MyObj)
|