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# Copyright (C) 2021 Nippon Telegraph and Telephone Corporation
# All Rights Reserved.
#
# 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 io import StringIO
import os
import sys
from unittest import mock
from tackerclient import client as root_client
from tackerclient.common import exceptions
from tackerclient.osc.v1.vnflcm import vnflcm
from tackerclient.tests.unit.osc import base
from tackerclient.tests.unit.osc.v1.fixture_data import client
from tackerclient.tests.unit.osc.v1 import test_vnflcm
from tackerclient.tests.unit.osc.v1 import vnflcm_fakes
from tackerclient.tests.unit.test_cli10 import MyResp
from tackerclient.v1_0 import client as proxy_client
class TestVnfLcmV2(base.FixturedTestCase):
client_fixture_class = client.ClientFixture
api_version = '2'
def setUp(self):
super(TestVnfLcmV2, self).setUp()
def test_client_v2(self):
self.assertEqual(self.cs.vnf_lcm_client.headers,
{'Version': '2.0.0'})
self.assertEqual(self.cs.vnf_lcm_client.vnf_instances_path,
'/vnflcm/v2/vnf_instances')
# check of other paths is omitted.
class TestUpdateVnfLcmV2(test_vnflcm.TestVnfLcm):
api_version = '2'
def setUp(self):
super(TestUpdateVnfLcmV2, self).setUp()
self.update_vnf_lcm = vnflcm.UpdateVnfLcm(
self.app, self.app_args, cmd_name='vnflcm modify')
def test_take_action_check_content_type(self):
vnf_instance = vnflcm_fakes.vnf_instance_response()
sample_param_file = ('./tackerclient/osc/v1/vnflcm/samples/'
'update_vnf_instance_param_sample.json')
arglist = [vnf_instance['id'], '--I', sample_param_file]
verifylist = [('vnf_instance', vnf_instance['id']),
('I', sample_param_file)]
# command param
parsed_args = self.check_parser(
self.update_vnf_lcm, arglist, verifylist)
url = os.path.join(self.url, 'vnflcm/v2/vnf_instances',
vnf_instance['id'])
self.requests_mock.register_uri(
'PATCH', url, headers=self.header, json={})
sys.stdout = buffer = StringIO()
with mock.patch.object(root_client.HTTPClient,
'do_request') as mock_req:
headers = {'Content-Type': 'application/json'}
mock_req.return_value = (MyResp(202, headers=headers), None)
self.update_vnf_lcm.take_action(parsed_args)
# check content_type
mock_req.assert_called_once_with(
f'/vnflcm/v2/vnf_instances/{vnf_instance["id"]}', 'PATCH',
body=mock.ANY, headers=mock.ANY,
content_type='application/merge-patch+json', accept='json')
actual_message = buffer.getvalue().strip()
expected_message = f'Update vnf:{vnf_instance["id"]}'
self.assertEqual(expected_message, actual_message)
class TestChangeVnfPkgVnfLcm(test_vnflcm.TestVnfLcm):
api_version = '2'
def setUp(self):
super(TestChangeVnfPkgVnfLcm, self).setUp()
self.change_vnfpkg_vnf_lcm = vnflcm.ChangeVnfPkgVnfLcm(
self.app, self.app_args,
cmd_name='vnflcm change-vnfpkg')
def test_take_action(self):
vnf_instance = vnflcm_fakes.vnf_instance_response()
sample_param_file = ("./tackerclient/osc/v2/vnflcm/samples/"
"change_vnfpkg_vnf_instance_param_sample.json")
arglist = [vnf_instance['id'], sample_param_file]
verifylist = [('vnf_instance', vnf_instance['id']),
('request_file', sample_param_file)]
# command param
parsed_args = self.check_parser(self.change_vnfpkg_vnf_lcm,
arglist,
verifylist)
url = os.path.join(self.url, 'vnflcm/v2/vnf_instances',
vnf_instance['id'], 'change_vnfpkg')
self.requests_mock.register_uri(
'POST', url, headers=self.header, json={})
sys.stdout = buffer = StringIO()
with mock.patch.object(proxy_client.ClientBase,
'_handle_fault_response') as m:
self.change_vnfpkg_vnf_lcm.take_action(parsed_args)
# check no fault response is received
self.assertNotCalled(m)
self.assertEqual(
('Change Current VNF Package for VNF Instance {0} '
'has been accepted.'.format(vnf_instance['id'])),
buffer.getvalue().strip())
def test_take_action_vnf_instance_not_found(self):
vnf_instance = vnflcm_fakes.vnf_instance_response()
sample_param_file = ("./tackerclient/osc/v1/vnflcm/samples/"
"change_vnfpkg_vnf_instance_param_sample.json")
arglist = [vnf_instance['id'], sample_param_file]
verifylist = [('vnf_instance', vnf_instance['id']),
('request_file', sample_param_file)]
# command param
parsed_args = self.check_parser(self.change_vnfpkg_vnf_lcm,
arglist,
verifylist)
url = os.path.join(self.url, 'vnflcm/v2/vnf_instances',
vnf_instance['id'], 'change_vnfpkg')
self.requests_mock.register_uri(
'POST', url, headers=self.header, status_code=404, json={})
self.assertRaises(exceptions.TackerClientException,
self.change_vnfpkg_vnf_lcm.take_action,
parsed_args)
def test_take_action_param_file_not_exists(self):
vnf_instance = vnflcm_fakes.vnf_instance_response()
sample_param_file = "./not_exists.json"
arglist = [vnf_instance['id'], sample_param_file]
verifylist = [('vnf_instance', vnf_instance['id']),
('request_file', sample_param_file)]
# command param
parsed_args = self.check_parser(
self.change_vnfpkg_vnf_lcm,
arglist,
verifylist)
ex = self.assertRaises(
exceptions.InvalidInput,
self.change_vnfpkg_vnf_lcm.take_action,
parsed_args)
expected_msg = ("Invalid input: "
"User does not have read privileges to it")
self.assertEqual(expected_msg, str(ex))
@mock.patch("os.open")
@mock.patch("os.access")
def test_take_action_invalid_format_param_file(self, mock_access,
mock_open):
vnf_instance = vnflcm_fakes.vnf_instance_response()
sample_param_file = "./invalid_param_file.json"
arglist = [vnf_instance['id'], sample_param_file]
verifylist = [('vnf_instance', vnf_instance['id']),
('request_file', sample_param_file)]
mock_open.return_value = "invalid_json_data"
mock_access.return_value = True
# command param
parsed_args = self.check_parser(self.change_vnfpkg_vnf_lcm,
arglist,
verifylist)
ex = self.assertRaises(
exceptions.InvalidInput,
self.change_vnfpkg_vnf_lcm.take_action,
parsed_args)
expected_msg = "Failed to load parameter file."
self.assertIn(expected_msg, str(ex))
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