nova/nova/tests/unit/objects/test_flavor.py

253 lines
10 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 mock
from nova import db
from nova import exception
from nova.objects import flavor as flavor_obj
from nova.tests.unit.objects import test_objects
fake_flavor = {
'created_at': None,
'updated_at': None,
'deleted_at': None,
'deleted': 0,
'id': 1,
'name': 'm1.foo',
'memory_mb': 1024,
'vcpus': 4,
'root_gb': 20,
'ephemeral_gb': 0,
'flavorid': 'm1.foo',
'swap': 0,
'rxtx_factor': 1.0,
'vcpu_weight': 1,
'disabled': False,
'is_public': True,
'extra_specs': {'foo': 'bar'},
}
class _TestFlavor(object):
@staticmethod
def _compare(test, db, obj):
for field, value in db.items():
test.assertEqual(db[field], obj[field])
def test_get_by_id(self):
with mock.patch.object(db, 'flavor_get') as get:
get.return_value = fake_flavor
flavor = flavor_obj.Flavor.get_by_id(self.context, 1)
self._compare(self, fake_flavor, flavor)
def test_get_by_name(self):
with mock.patch.object(db, 'flavor_get_by_name') as get_by_name:
get_by_name.return_value = fake_flavor
flavor = flavor_obj.Flavor.get_by_name(self.context, 'm1.foo')
self._compare(self, fake_flavor, flavor)
def test_get_by_flavor_id(self):
with mock.patch.object(db, 'flavor_get_by_flavor_id') as get_by_id:
get_by_id.return_value = fake_flavor
flavor = flavor_obj.Flavor.get_by_flavor_id(self.context,
'm1.foo')
self._compare(self, fake_flavor, flavor)
def test_add_access(self):
elevated = self.context.elevated()
flavor = flavor_obj.Flavor(context=elevated, flavorid='123')
with mock.patch.object(db, 'flavor_access_add') as add:
flavor.add_access('456')
add.assert_called_once_with(elevated, '123', '456')
def test_add_access_with_dirty_projects(self):
flavor = flavor_obj.Flavor(context=self.context, projects=['1'])
self.assertRaises(exception.ObjectActionError,
flavor.add_access, '2')
def test_remove_access(self):
elevated = self.context.elevated()
flavor = flavor_obj.Flavor(context=elevated, flavorid='123')
with mock.patch.object(db, 'flavor_access_remove') as remove:
flavor.remove_access('456')
remove.assert_called_once_with(elevated, '123', '456')
def test_create(self):
flavor = flavor_obj.Flavor(context=self.context)
flavor.name = 'm1.foo'
flavor.extra_specs = fake_flavor['extra_specs']
with mock.patch.object(db, 'flavor_create') as create:
create.return_value = fake_flavor
flavor.create()
self.assertEqual(self.context, flavor._context)
# NOTE(danms): Orphan this to avoid lazy-loads
flavor._context = None
self._compare(self, fake_flavor, flavor)
def test_create_with_projects(self):
context = self.context.elevated()
flavor = flavor_obj.Flavor(context=context)
flavor.name = 'm1.foo'
flavor.extra_specs = fake_flavor['extra_specs']
flavor.projects = ['project-1', 'project-2']
db_flavor = dict(fake_flavor, projects=list(flavor.projects))
with mock.patch.multiple(db, flavor_create=mock.DEFAULT,
flavor_access_get_by_flavor_id=mock.DEFAULT
) as methods:
methods['flavor_create'].return_value = db_flavor
methods['flavor_access_get_by_flavor_id'].return_value = [
{'project_id': 'project-1'},
{'project_id': 'project-2'}]
flavor.create()
methods['flavor_create'].assert_called_once_with(
context,
{'name': 'm1.foo',
'extra_specs': fake_flavor['extra_specs']},
projects=['project-1', 'project-2'])
self.assertEqual(context, flavor._context)
# NOTE(danms): Orphan this to avoid lazy-loads
flavor._context = None
self._compare(self, fake_flavor, flavor)
self.assertEqual(['project-1', 'project-2'], flavor.projects)
def test_create_with_id(self):
flavor = flavor_obj.Flavor(context=self.context, id=123)
self.assertRaises(exception.ObjectActionError, flavor.create)
@mock.patch('nova.db.flavor_access_add')
@mock.patch('nova.db.flavor_access_remove')
@mock.patch('nova.db.flavor_extra_specs_delete')
@mock.patch('nova.db.flavor_extra_specs_update_or_create')
def test_save(self, mock_update, mock_delete, mock_remove, mock_add):
ctxt = self.context.elevated()
extra_specs = {'key1': 'value1', 'key2': 'value2'}
projects = ['project-1', 'project-2']
flavor = flavor_obj.Flavor(context=ctxt, flavorid='foo',
extra_specs=extra_specs, projects=projects)
flavor.obj_reset_changes()
# Test deleting an extra_specs key and project
del flavor.extra_specs['key1']
del flavor.projects[-1]
self.assertEqual(set(['extra_specs', 'projects']),
flavor.obj_what_changed())
flavor.save()
self.assertEqual({'key2': 'value2'}, flavor.extra_specs)
mock_delete.assert_called_once_with(ctxt, 'foo', 'key1')
self.assertEqual(['project-1'], flavor.projects)
mock_remove.assert_called_once_with(ctxt, 'foo', 'project-2')
# Test updating an extra_specs key value
flavor.extra_specs['key2'] = 'foobar'
self.assertEqual(set(['extra_specs']), flavor.obj_what_changed())
flavor.save()
self.assertEqual({'key2': 'foobar'}, flavor.extra_specs)
mock_update.assert_called_with(ctxt, 'foo', {'key2': 'foobar'})
# Test adding an extra_specs and project
flavor.extra_specs['key3'] = 'value3'
flavor.projects.append('project-3')
self.assertEqual(set(['extra_specs', 'projects']),
flavor.obj_what_changed())
flavor.save()
self.assertEqual({'key2': 'foobar', 'key3': 'value3'},
flavor.extra_specs)
mock_update.assert_called_with(ctxt, 'foo', {'key2': 'foobar',
'key3': 'value3'})
self.assertEqual(['project-1', 'project-3'], flavor.projects)
mock_add.assert_called_once_with(ctxt, 'foo', 'project-3')
@mock.patch('nova.db.flavor_create')
@mock.patch('nova.db.flavor_extra_specs_delete')
@mock.patch('nova.db.flavor_extra_specs_update_or_create')
def test_save_deleted_extra_specs(self, mock_update, mock_delete,
mock_create):
mock_create.return_value = dict(fake_flavor,
extra_specs={'key1': 'value1'})
ctxt = self.context.elevated()
flavor = flavor_obj.Flavor(context=ctxt)
flavor.flavorid = 'test'
flavor.extra_specs = {'key1': 'value1'}
flavor.create()
flavor.extra_specs = {}
flavor.save()
mock_delete.assert_called_once_with(ctxt, flavor.flavorid,
'key1')
self.assertFalse(mock_update.called)
def test_save_invalid_fields(self):
flavor = flavor_obj.Flavor(id=123)
self.assertRaises(exception.ObjectActionError, flavor.save)
def test_destroy(self):
flavor = flavor_obj.Flavor(context=self.context, id=123, name='foo')
with mock.patch.object(db, 'flavor_destroy') as destroy:
flavor.destroy()
destroy.assert_called_once_with(self.context, flavor.name)
def test_load_projects(self):
flavor = flavor_obj.Flavor(context=self.context, flavorid='foo')
with mock.patch.object(db, 'flavor_access_get_by_flavor_id') as get:
get.return_value = [{'project_id': 'project-1'}]
projects = flavor.projects
self.assertEqual(['project-1'], projects)
self.assertNotIn('projects', flavor.obj_what_changed())
def test_load_anything_else(self):
flavor = flavor_obj.Flavor()
self.assertRaises(exception.ObjectActionError,
getattr, flavor, 'name')
class TestFlavor(test_objects._LocalTest, _TestFlavor):
pass
class TestFlavorRemote(test_objects._RemoteTest, _TestFlavor):
pass
class _TestFlavorList(object):
def test_get_all(self):
with mock.patch.object(db, 'flavor_get_all') as get_all:
get_all.return_value = [fake_flavor]
filters = {'min_memory_mb': 4096}
flavors = flavor_obj.FlavorList.get_all(self.context,
inactive=False,
filters=filters,
sort_key='id',
sort_dir='asc')
self.assertEqual(1, len(flavors))
_TestFlavor._compare(self, fake_flavor, flavors[0])
get_all.assert_called_once_with(self.context, inactive=False,
filters=filters, sort_key='id',
sort_dir='asc', limit=None,
marker=None)
class TestFlavorList(test_objects._LocalTest, _TestFlavorList):
pass
class TestFlavorListRemote(test_objects._RemoteTest, _TestFlavorList):
pass