os-vif/os_vif/tests/unit/test_base.py
Takashi Natsume ee0b34eb3e Use unittest.mock instead of third party mock
Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: I67fcc16530f1c46eecb62e27eb7b88d1dee6f9df
Signed-off-by: Takashi Natsume <takanattie@gmail.com>
2020-05-25 06:41:16 +00:00

78 lines
3.1 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import copy
from unittest import mock
from oslo_serialization import jsonutils
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from os_vif.objects import base as osv_base
from os_vif.tests.unit import base as test_base
class TestVersionedObjectPrintable(test_base.TestCase):
@base.VersionedObjectRegistry.register_if(False)
class OVOChild1(osv_base.VersionedObject,
osv_base.VersionedObjectPrintableMixin):
fields = {
"child1_field1": fields.ListOfIntegersField()
}
@base.VersionedObjectRegistry.register_if(False)
class OVOParent(osv_base.VersionedObject,
osv_base.VersionedObjectPrintableMixin,
base.ComparableVersionedObject):
fields = {
"parent_field1": fields.ListOfObjectsField("OVOChild1"),
"parent_field2": fields.StringField(),
}
def setUp(self):
super(TestVersionedObjectPrintable, self).setUp()
child1_1 = self.OVOChild1(child1_field1=[1, 2, 3])
child1_2 = self.OVOChild1(child1_field1=[4, 5, 6])
self.obj = self.OVOParent(
parent_field1=[child1_1, child1_2],
parent_field2="test string")
def test_print_object(self):
out = str(self.obj)
self.assertIn("'child1_field1': [1, 2, 3]}", out)
self.assertIn("'child1_field1': [4, 5, 6]}", out)
cmp = str({'parent_field2': "test string"})
cmp = cmp.replace('{', '').replace('}', '')
self.assertIn(str(cmp), out)
@mock.patch.object(base.VersionedObject, "obj_class_from_name",
side_effect=[OVOParent, OVOChild1, OVOChild1])
def test_serialize_object(self, *mock):
"""Test jsonutils serialization is not affected by this new mixin."""
obj_orig = copy.deepcopy(self.obj)
obj_orig_primitive = obj_orig.obj_to_primitive()
str_orig_primitive = jsonutils.dumps(obj_orig_primitive)
obj_new_primitive = jsonutils.loads(str_orig_primitive)
obj_new = self.OVOParent.obj_from_primitive(obj_new_primitive)
self.assertEqual(obj_orig_primitive, obj_new_primitive)
self.assertEqual(obj_orig, obj_new)
def test_import_non_ovo_class(self):
"""Test VersionedObjectPrintable could be inherited by non-OVO classes.
"""
class NonOVOClass(osv_base.VersionedObjectPrintableMixin):
def __str__(self):
return "NonOVOClass __str__ method"
self.assertEqual("NonOVOClass __str__ method", str(NonOVOClass()))