terracotta/tests/test_db_utils.py

62 lines
2.3 KiB
Python

# Copyright 2012 Anton Beloglazov
#
# 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.
from mocktest import *
from pyqcy import *
from sqlalchemy import *
import neat.db
import neat.db_utils as db_utils
import logging
logging.disable(logging.CRITICAL)
class DbUtils(TestCase):
@qc(1)
def init_db():
db = db_utils.init_db('sqlite:///:memory:')
assert type(db) is neat.db.Database
assert isinstance(db.hosts, Table)
assert isinstance(db.vms, Table)
assert isinstance(db.vm_resource_usage, Table)
assert isinstance(db.host_states, Table)
assert db.hosts.c.keys() == \
['id', 'hostname', 'cpu_mhz', 'cpu_cores', 'ram']
assert db.host_resource_usage.c.keys() == \
['id', 'host_id', 'timestamp', 'cpu_mhz']
assert list(db.host_resource_usage.foreign_keys)[0].target_fullname \
== 'hosts.id'
assert db.vms.c.keys() == \
['id', 'uuid']
assert db.vm_resource_usage.c.keys() == \
['id', 'vm_id', 'timestamp', 'cpu_mhz']
assert list(db.vm_resource_usage.foreign_keys)[0].target_fullname \
== 'vms.id'
assert db.vm_migrations.c.keys() == \
['id', 'vm_id', 'host_id', 'timestamp']
keys = set([list(db.vm_migrations.foreign_keys)[0].target_fullname,
list(db.vm_migrations.foreign_keys)[1].target_fullname])
assert keys == set(['vms.id', 'hosts.id'])
assert db.host_states.c.keys() == \
['id', 'host_id', 'timestamp', 'state']
assert list(db.host_states.foreign_keys)[0].target_fullname \
== 'hosts.id'
assert db.host_overload.c.keys() == \
['id', 'host_id', 'timestamp', 'overload']
assert list(db.host_overload.foreign_keys)[0].target_fullname \
== 'hosts.id'