distil/tests/test_models.py
adriant c8f82b1e3d adding copyright and licensing
Change-Id: Id0df9dff49a5f2f6dde523c57ef7bae61f85418d
2014-08-27 13:11:35 +12:00

146 lines
4.6 KiB
Python

# Copyright (C) 2014 Catalyst IT Ltd
#
# 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 unittest
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, create_session
from sqlalchemy.pool import NullPool
from sqlalchemy.exc import IntegrityError, OperationalError
from distil.models import Resource, Tenant, UsageEntry, SalesOrder
import datetime
from . import PG_DATABASE_URI, MY_DATABASE_URI
pg_engine = None
mysql_engine = None
def setUp():
global mysql_engine
mysql_engine = create_engine(MY_DATABASE_URI, poolclass=NullPool)
global pg_engine
pg_engine = create_engine(PG_DATABASE_URI, poolclass=NullPool)
def tearDown():
pg_engine.dispose()
mysql_engine.dispose()
class db(unittest.TestCase):
__test__ = False
def setUp(self):
self.db = self.session()
def tearDown(self):
try:
self.db.rollback()
except:
pass
self.db.begin()
for obj in (SalesOrder, UsageEntry, Resource, Tenant, Resource):
self.db.query(obj).delete(synchronize_session="fetch")
self.db.commit()
# self.db.close()
self.db.close()
# self.session.close_all()
self.db = None
def test_create_tenant(self):
self.db.begin()
t = Tenant(id="asfd", name="test", created=datetime.datetime.utcnow(),
last_collected=datetime.datetime.utcnow())
self.db.add(t)
self.db.commit()
t2 = self.db.query(Tenant).get("asfd")
self.assertTrue(t2.name == "test")
# self.db.commit()
def test_create_resource(self):
self.test_create_tenant()
self.db.begin()
t = self.db.query(Tenant).get("asfd")
r = Resource(id="1234", tenant=t, created=datetime.datetime.utcnow())
self.db.add(r)
self.db.commit()
r2 = self.db.query(Resource).filter(Resource.id == "1234")[0]
self.assertTrue(r2.tenant.id == t.id)
def test_insert_usage_entry(self):
self.test_create_resource()
self.db.begin()
r = self.db.query(Resource).filter(Resource.id == "1234")[0]
u = UsageEntry(service="cheese",
volume=1.23,
resource=r,
tenant=r,
start=(datetime.datetime.utcnow() -
datetime.timedelta(minutes=5)),
end=datetime.datetime.utcnow(),
created=datetime.datetime.utcnow())
self.db.add(u)
try:
self.db.commit()
except Exception as e:
self.fail("Exception: %s" % e)
def test_overlapping_usage_entry_fails(self):
self.test_insert_usage_entry()
try:
self.test_insert_usage_entry()
# we fail here
self.fail("Inserted overlapping row; failing")
except (IntegrityError, OperationalError):
self.db.rollback()
self.assertEqual(self.db.query(UsageEntry).count(), 1)
def test_insert_salesorder(self):
self.test_insert_usage_entry()
self.db.begin()
usage = self.db.query(UsageEntry)[0]
tenant = self.db.query(Tenant).get("asfd")
so = SalesOrder(tenant=tenant,
start=usage.start,
end=usage.end)
self.db.add(so)
self.db.commit()
so2 = self.db.query(SalesOrder)[0]
self.assertTrue(so2.tenant.id == so.tenant.id)
self.assertTrue(so2.start == so.start)
self.assertTrue(so2.end == so.end)
def test_overlap_sales_order_fails(self):
self.test_insert_salesorder()
try:
self.test_insert_salesorder()
self.fail("Inserted twice")
except (IntegrityError, OperationalError):
self.db.rollback()
self.assertEqual(self.db.query(SalesOrder).count(), 1)
class TestDatabaseModelsPostgres(db):
__test__ = True
session = scoped_session(lambda: create_session(bind=pg_engine))
class TestDatabaseModelsMysql(db):
__test__ = True
session = scoped_session(lambda: create_session(bind=mysql_engine))