ironic/ironic/tests/unit/db/test_shard.py

47 lines
1.7 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.
"""Tests for fetching shards via the DB API"""
import uuid
from oslo_db.sqlalchemy import enginefacade
from ironic.tests.unit.db import base
from ironic.tests.unit.db import utils
class ShardTestCase(base.DbTestCase):
def setUp(self):
super(ShardTestCase, self).setUp()
self.engine = enginefacade.writer.get_engine()
def test_get_shard_list(self):
"""Validate shard list is returned, and with correct sorting."""
for i in range(1, 2):
utils.create_test_node(uuid=str(uuid.uuid4()))
for i in range(1, 3):
utils.create_test_node(uuid=str(uuid.uuid4()), shard="shard1")
for i in range(1, 4):
utils.create_test_node(uuid=str(uuid.uuid4()), shard="shard2")
res = self.dbapi.get_shard_list()
self.assertEqual(res, [
{"name": "shard2", "count": 3},
{"name": "shard1", "count": 2},
{"name": "None", "count": 1},
])
def test_get_shard_empty_list(self):
"""Validate empty list is returned if no assigned shards."""
res = self.dbapi.get_shard_list()
self.assertEqual(res, [])