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# -*- coding: utf-8 -*-
##
# Copyright 2018 University of Bristol - High Performance Networks Research
# Group
# All Rights Reserved.
#
# Contributors: Anderson Bravalheri, Dimitrios Gkounis, Abubakar Siddique
# Muqaddas, Navdeep Uniyal, Reza Nejabati and Dimitra Simeonidou
#
# 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.
#
# For those usages not covered by the Apache License, Version 2.0 please
# contact with: <highperformance-networks@bristol.ac.uk>
#
# Neither the name of the University of Bristol nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# This work has been performed in the context of DCMS UK 5G Testbeds
# & Trials Programme and in the framework of the Metro-Haul project -
# funded by the European Commission under Grant number 761727 through the
# Horizon 2020 and 5G-PPP programmes.
##
from __future__ import unicode_literals
import unittest
from itertools import chain
from types import StringType
from six.moves import range
from . import fixtures as eg
from ...tests.db_helpers import (
TestCaseWithDatabasePerTest,
disable_foreign_keys,
uuid
)
from ..persistence import (
WimPersistence,
hide_confidential_fields,
serialize_fields,
unserialize_fields
)
class TestPersistenceUtils(unittest.TestCase):
def test_hide_confidential_fields(self):
example = {
'password': '123456',
'nested.password': '123456',
'nested.secret': None,
}
result = hide_confidential_fields(example,
fields=('password', 'secret'))
for field in 'password', 'nested.password':
assert result[field].startswith('***')
self.assertIs(result['nested.secret'], None)
def test_serialize_fields(self):
example = {
'config': dict(x=1),
'nested.info': [1, 2, 3],
'nested.config': None
}
result = serialize_fields(example, fields=('config', 'info'))
for field in 'config', 'nested.info':
self.assertIsInstance(result[field], StringType)
self.assertIs(result['nested.config'], None)
def test_unserialize_fields(self):
example = {
'config': '{"x": 1}',
'nested.info': '[1,2,3]',
'nested.config': None,
'confidential.info': '{"password": "abcdef"}'
}
result = unserialize_fields(example, fields=('config', 'info'))
self.assertEqual(result['config'], dict(x=1))
self.assertEqual(result['nested.info'], [1, 2, 3])
self.assertIs(result['nested.config'], None)
self.assertNotEqual(result['confidential.info']['password'], 'abcdef')
assert result['confidential.info']['password'].startswith('***')
class TestWimPersistence(TestCaseWithDatabasePerTest):
def setUp(self):
super(TestWimPersistence, self).setUp()
self.persist = WimPersistence(self.db)
def populate(self, seeds=None):
super(TestWimPersistence, self).populate(seeds or eg.consistent_set())
def test_query_offset(self):
# Given a database contains 4 records
self.populate([{'wims': [eg.wim(i) for i in range(4)]}])
# When we query using a limit of 2 and a offset of 1
results = self.persist.query('wims',
ORDER_BY='name', LIMIT=2, OFFSET=1)
# Then we should have 2 results, skipping the first record
names = [r['name'] for r in results]
self.assertItemsEqual(names, ['wim1', 'wim2'])
def test_get_wim_account_by_wim_tenant(self):
# Given a database contains WIM accounts associated to Tenants
self.populate()
# when we retrieve the account using wim and tenant
wim_account = self.persist.get_wim_account_by(
uuid('wim0'), uuid('tenant0'))
# then the right record should be returned
self.assertEqual(wim_account['uuid'], uuid('wim-account00'))
self.assertEqual(wim_account['name'], 'wim-account00')
self.assertEqual(wim_account['user'], 'user00')
def test_get_wim_account_by_wim_tenant__names(self):
# Given a database contains WIM accounts associated to Tenants
self.populate()
# when we retrieve the account using wim and tenant
wim_account = self.persist.get_wim_account_by(
'wim0', 'tenant0')
# then the right record should be returned
self.assertEqual(wim_account['uuid'], uuid('wim-account00'))
self.assertEqual(wim_account['name'], 'wim-account00')
self.assertEqual(wim_account['user'], 'user00')
def test_get_wim_accounts_by_wim(self):
# Given a database contains WIM accounts associated to Tenants
self.populate()
# when we retrieve the accounts using wim
wim_accounts = self.persist.get_wim_accounts_by(uuid('wim0'))
# then the right records should be returned
self.assertEqual(len(wim_accounts), eg.NUM_TENANTS)
for account in wim_accounts:
self.assertEqual(account['wim_id'], uuid('wim0'))
def test_get_wim_port_mappings(self):
# Given a database with WIMs, datacenters and port-mappings
self.populate()
# when we retrieve the port mappings for a list of datacenters
# using either names or uuids
for criteria in ([uuid('dc0'), uuid('dc1')], ['dc0', 'dc1']):
mappings = self.persist.get_wim_port_mappings(datacenter=criteria)
# then each result should have a datacenter_id
datacenters = [m['datacenter_id'] for m in mappings]
for datacenter in datacenters:
self.assertIn(datacenter, [uuid('dc0'), uuid('dc1')])
# a wim_id
wims = [m['wim_id'] for m in mappings]
for wim in wims:
self.assertIsNot(wim, None)
# and a array of pairs 'wan' <> 'pop' connections
pairs = chain(*(m['pop_wan_mappings'] for m in mappings))
self.assertEqual(len(list(pairs)), 2 * eg.NUM_WIMS)
def test_get_wim_port_mappings_multiple(self):
# Given we have more then one connection in a datacenter managed by the
# WIM
self.populate()
self.populate([{
'wim_port_mappings': [
eg.wim_port_mapping(
0, 0,
pop_dpid='CC:CC:CC:CC:CC:CC:CC:CC',
wan_dpid='DD:DD:DD:DD:DD:DD:DD:DD'),
eg.wim_port_mapping(
0, 0,
pop_dpid='EE:EE:EE:EE:EE:EE:EE:EE',
wan_dpid='FF:FF:FF:FF:FF:FF:FF:FF')]}])
# when we retrieve the port mappings for the wim and datacenter:
mappings = (
self.persist.get_wim_port_mappings(wim='wim0', datacenter='dc0'))
# then it should return just a single result, grouped by wim and
# datacenter
self.assertEqual(len(mappings), 1)
self.assertEqual(mappings[0]['wim_id'], uuid('wim0'))
self.assertEqual(mappings[0]['datacenter_id'], uuid('dc0'))
self.assertEqual(len(mappings[0]['pop_wan_mappings']), 3)
# when we retreive the mappings for more then one wim/datacenter
# the grouping should still work properly
mappings = self.persist.get_wim_port_mappings(
wim=['wim0', 'wim1'], datacenter=['dc0', 'dc1'])
self.assertEqual(len(mappings), 4)
pairs = chain(*(m['pop_wan_mappings'] for m in mappings))
self.assertEqual(len(list(pairs)), 6)
def test_get_actions_in_group(self):
# Given a good number of wim actions exist in the database
kwargs = {'action_id': uuid('action0')}
actions = (eg.wim_actions('CREATE', num_links=8, **kwargs) +
eg.wim_actions('FIND', num_links=8, **kwargs) +
eg.wim_actions('START', num_links=8, **kwargs))
for i, action in enumerate(actions):
action['task_index'] = i
self.populate([
{'nfvo_tenants': eg.tenant()}
] + eg.wim_set() + [
{'instance_actions': eg.instance_action(**kwargs)},
{'vim_wim_actions': actions}
])
# When we retrieve them in groups
limit = 5
results = self.persist.get_actions_in_groups(
uuid('wim-account00'), ['instance_wim_nets'], group_limit=limit)
# Then we should have N groups where N == limit
self.assertEqual(len(results), limit)
for _, task_list in results:
# And since for each link we have create 3 actions (create, find,
# start), we should find them in each group
self.assertEqual(len(task_list), 3)
@disable_foreign_keys
def test_update_instance_action_counters(self):
# Given we have one instance action in the database with 2 incomplete
# tasks
action = eg.instance_action(num_tasks=2)
self.populate([{'instance_actions': action}])
# When we update the done counter by 0, nothing should happen
self.persist.update_instance_action_counters(action['uuid'], done=0)
result = self.persist.get_by_uuid('instance_actions', action['uuid'])
self.assertEqual(result['number_done'], 0)
self.assertEqual(result['number_failed'], 0)
# When we update the done counter by 2, number_done should be 2
self.persist.update_instance_action_counters(action['uuid'], done=2)
result = self.persist.get_by_uuid('instance_actions', action['uuid'])
self.assertEqual(result['number_done'], 2)
self.assertEqual(result['number_failed'], 0)
# When we update the done counter by -1, and the failed counter by 1
self.persist.update_instance_action_counters(
action['uuid'], done=-1, failed=1)
# Then we should see 1 and 1
result = self.persist.get_by_uuid('instance_actions', action['uuid'])
self.assertEqual(result['number_done'], 1)
self.assertEqual(result['number_failed'], 1)
if __name__ == '__main__':
unittest.main()