nova/nova/tests/objects/test_fields.py

240 lines
9.6 KiB
Python

# Copyright 2013 Red Hat, Inc.
#
# 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 datetime
import iso8601
import netaddr
from nova.network import model as network_model
from nova.objects import base as obj_base
from nova.objects import fields
from nova.openstack.common import timeutils
from nova import test
class FakeFieldType(fields.FieldType):
def coerce(self, obj, attr, value):
return '*%s*' % value
def to_primitive(self, obj, attr, value):
return '!%s!' % value
def from_primitive(self, obj, attr, value):
return value[1:-1]
class TestField(test.NoDBTestCase):
def setUp(self):
super(TestField, self).setUp()
self.field = fields.Field(FakeFieldType())
self.coerce_good_values = [('foo', '*foo*')]
self.coerce_bad_values = []
self.to_primitive_values = [('foo', '!foo!')]
self.from_primitive_values = [('!foo!', 'foo')]
def test_coerce_good_values(self):
for in_val, out_val in self.coerce_good_values:
self.assertEqual(out_val, self.field.coerce('obj', 'attr', in_val))
def test_coerce_bad_values(self):
for in_val in self.coerce_bad_values:
self.assertRaises((TypeError, ValueError),
self.field.coerce, 'obj', 'attr', in_val)
def test_to_primitive(self):
for in_val, prim_val in self.to_primitive_values:
self.assertEqual(prim_val, self.field.to_primitive('obj', 'attr',
in_val))
def test_from_primitive(self):
class ObjectLikeThing:
_context = 'context'
for prim_val, out_val in self.from_primitive_values:
self.assertEqual(out_val, self.field.from_primitive(
ObjectLikeThing, 'attr', prim_val))
class TestString(TestField):
def setUp(self):
super(TestField, self).setUp()
self.field = fields.StringField()
self.coerce_good_values = [('foo', 'foo'), (1, '1'), (1L, '1'),
(True, 'True')]
self.coerce_bad_values = [None]
self.to_primitive_values = self.coerce_good_values[0:1]
self.from_primitive_values = self.coerce_good_values[0:1]
class TestInteger(TestField):
def setUp(self):
super(TestField, self).setUp()
self.field = fields.IntegerField()
self.coerce_good_values = [(1, 1), ('1', 1)]
self.coerce_bad_values = ['foo', None]
self.to_primitive_values = self.coerce_good_values[0:1]
self.from_primitive_values = self.coerce_good_values[0:1]
class TestFloat(TestField):
def setUp(self):
super(TestFloat, self).setUp()
self.field = fields.FloatField()
self.coerce_good_values = [(1.1, 1.1), ('1.1', 1.1)]
self.coerce_bad_values = ['foo', None]
self.to_primitive_values = self.coerce_good_values[0:1]
self.from_primitive_values = self.coerce_good_values[0:1]
class TestBoolean(TestField):
def setUp(self):
super(TestField, self).setUp()
self.field = fields.BooleanField()
self.coerce_good_values = [(True, True), (False, False), (1, True),
('foo', True), (0, False), ('', False)]
self.coerce_bad_values = []
self.to_primitive_values = self.coerce_good_values[0:2]
self.from_primitive_values = self.coerce_good_values[0:2]
class TestDateTime(TestField):
def setUp(self):
super(TestDateTime, self).setUp()
self.dt = datetime.datetime(1955, 11, 5, tzinfo=iso8601.iso8601.Utc())
self.field = fields.DateTimeField()
self.coerce_good_values = [(self.dt, self.dt),
(timeutils.isotime(self.dt), self.dt)]
self.coerce_bad_values = [1, 'foo']
self.to_primitive_values = [(self.dt, timeutils.isotime(self.dt))]
self.from_primitive_values = [(timeutils.isotime(self.dt), self.dt)]
class TestIPAddressV4(TestField):
def setUp(self):
super(TestIPAddressV4, self).setUp()
self.field = fields.IPV4AddressField()
self.coerce_good_values = [('1.2.3.4', netaddr.IPAddress('1.2.3.4')),
(netaddr.IPAddress('1.2.3.4'),
netaddr.IPAddress('1.2.3.4'))]
self.coerce_bad_values = ['1-2', 'foo', '::1']
self.to_primitive_values = [(netaddr.IPAddress('1.2.3.4'), '1.2.3.4')]
self.from_primitive_values = [('1.2.3.4',
netaddr.IPAddress('1.2.3.4'))]
class TestIPAddressV6(TestField):
def setUp(self):
super(TestIPAddressV6, self).setUp()
self.field = fields.IPV6AddressField()
self.coerce_good_values = [('::1', netaddr.IPAddress('::1')),
(netaddr.IPAddress('::1'),
netaddr.IPAddress('::1'))]
self.coerce_bad_values = ['1.2', 'foo', '1.2.3.4']
self.to_primitive_values = [(netaddr.IPAddress('::1'), '::1')]
self.from_primitive_values = [('::1',
netaddr.IPAddress('::1'))]
class TestDict(TestField):
def setUp(self):
super(TestDict, self).setUp()
self.field = fields.Field(fields.Dict(FakeFieldType()))
self.coerce_good_values = [({'foo': 'bar'}, {'foo': '*bar*'}),
({'foo': 1}, {'foo': '*1*'})]
self.coerce_bad_values = [{1: 'bar'}, 'foo']
self.to_primitive_values = [({'foo': 'bar'}, {'foo': '!bar!'})]
self.from_primitive_values = [({'foo': '!bar!'}, {'foo': 'bar'})]
class TestDictOfStrings(TestField):
def setUp(self):
super(TestDictOfStrings, self).setUp()
self.field = fields.DictOfStringsField()
self.coerce_good_values = [({'foo': 'bar'}, {'foo': 'bar'}),
({'foo': 1}, {'foo': '1'})]
self.coerce_bad_values = [{1: 'bar'}, {'foo': None}, 'foo']
self.to_primitive_values = [({'foo': 'bar'}, {'foo': 'bar'})]
self.from_primitive_values = [({'foo': 'bar'}, {'foo': 'bar'})]
class TestDictOfStringsNone(TestField):
def setUp(self):
super(TestDictOfStringsNone, self).setUp()
self.field = fields.DictOfNullableStringsField()
self.coerce_good_values = [({'foo': 'bar'}, {'foo': 'bar'}),
({'foo': 1}, {'foo': '1'}),
({'foo': None}, {'foo': None})]
self.coerce_bad_values = [{1: 'bar'}, 'foo']
self.to_primitive_values = [({'foo': 'bar'}, {'foo': 'bar'})]
self.from_primitive_values = [({'foo': 'bar'}, {'foo': 'bar'})]
class TestList(TestField):
def setUp(self):
super(TestList, self).setUp()
self.field = fields.Field(fields.List(FakeFieldType()))
self.coerce_good_values = [(['foo', 'bar'], ['*foo*', '*bar*'])]
self.coerce_bad_values = ['foo']
self.to_primitive_values = [(['foo'], ['!foo!'])]
self.from_primitive_values = [(['!foo!'], ['foo'])]
class TestObject(TestField):
def setUp(self):
class TestableObject(obj_base.NovaObject):
def __eq__(self, value):
# NOTE(danms): Be rather lax about this equality thing to
# satisfy the assertEqual() in test_from_primitive(). We
# just want to make sure the right type of object is re-created
return value.__class__.__name__ == TestableObject.__name__
class OtherTestableObject(obj_base.NovaObject):
pass
test_inst = TestableObject()
super(TestObject, self).setUp()
self.field = fields.Field(fields.Object('TestableObject'))
self.coerce_good_values = [(test_inst, test_inst)]
self.coerce_bad_values = [OtherTestableObject(), 1, 'foo']
self.to_primitive_values = [(test_inst, test_inst.obj_to_primitive())]
self.from_primitive_values = [(test_inst.obj_to_primitive(),
test_inst)]
class TestNetworkModel(TestField):
def setUp(self):
super(TestNetworkModel, self).setUp()
model = network_model.NetworkInfo()
self.field = fields.Field(fields.NetworkModel())
self.coerce_good_values = [(model, model), (model.json(), model)]
self.coerce_bad_values = [[], 'foo']
self.to_primitive_values = [(model, model.json())]
self.from_primitive_values = [(model.json(), model)]
class TestCIDR(TestField):
def setUp(self):
super(TestCIDR, self).setUp()
self.field = fields.Field(fields.CIDR())
good = ['192.168.0.1/24', '192.168.0.0/16', '192.168.0.0/8',
'192.168.0.0/0', '1.2.3.4/32', '1.2.3.4/22', '0/0',
'::1/128', '::1/64', '::1/0']
self.coerce_good_values = [(x, x) for x in good]
self.coerce_bad_values = ['192.168.0.0', '192.168.0.0/f',
'192.168.0.0/foo', '192.168.0.0/33',
'::1/129', '192.168.0.0/-1']
self.to_primitive_values = [(x, x) for x in good]
self.from_primitive_values = self.to_primitive_values