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# Copyright (c) 2019. Vinci Consulting Corp. 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.
import ctypes
import multiprocessing as mp
import sys
import unittest
from unittest import mock
from vpp_papi import vpp_papi
from vpp_papi import vpp_transport_shmem
class TestVppPapiVPPApiClient(unittest.TestCase):
def test_getcontext(self):
vpp_papi.VPPApiClient.apidir = '.'
c = vpp_papi.VPPApiClient(testmode=True, use_socket=True)
# reset initialization at module load time.
c.get_context.context = mp.Value(ctypes.c_uint, 0)
for _ in range(10):
c.get_context()
self.assertEqual(11, c.get_context())
class TestVppPapiVPPApiClientMp(unittest.TestCase):
# Test under multiple processes to simulate running forked under
# run_tests.py (eg. make test TEST_JOBS=10)
def test_get_context_mp(self):
vpp_papi.VPPApiClient.apidir = '.'
c = vpp_papi.VPPApiClient(testmode=True, use_socket=True)
# reset initialization at module load time.
c.get_context.context = mp.Value(ctypes.c_uint, 0)
procs = [mp.Process(target=c.get_context, args=()) for i in range(10)]
for p in procs:
p.start()
for p in procs:
p.join()
# AssertionError: 11 != 1
self.assertEqual(11, c.get_context())
class TestVppTypes(unittest.TestCase):
def test_enum_from_json(self):
json_api = """\
{
"enums": [
[
"address_family",
[
"ADDRESS_IP4",
0
],
[
"ADDRESS_IP6",
1
],
{
"enumtype": "u8"
}
],
[
"if_type",
[
"IF_API_TYPE_HARDWARE",
0
],
[
"IF_API_TYPE_SUB",
1
],
[
"IF_API_TYPE_P2P",
2
],
[
"IF_API_TYPE_PIPE",
3
],
{
"enumtype": "u32"
}
]
]
}
"""
processor = vpp_papi.VPPApiJSONFiles()
# add the types to vpp_serializer
processor.process_json_str(json_api)
vpp_transport_shmem.VppTransport = mock.MagicMock()
ac = vpp_papi.VPPApiClient(apifiles=[], testmode=True)
type_name = "vl_api_if_type_t"
t = ac.get_type(type_name)
self.assertTrue(str(t).startswith("VPPEnumType"))
self.assertEqual(t.name, type_name)
class TestVppPapiLogging(unittest.TestCase):
def test_logger(self):
class Transport:
connected = True
class Vpp:
transport = Transport()
def disconnect(self):
pass
client = Vpp
with self.assertLogs('vpp_papi', level='DEBUG') as cm:
vpp_papi.vpp_atexit(client)
self.assertEqual(cm.output, ['DEBUG:vpp_papi:Cleaning up VPP on exit'])
with self.assertRaises(AssertionError):
with self.assertLogs('vpp_papi.serializer', level='DEBUG') as cm:
vpp_papi.vpp_atexit(client)
self.assertEqual(cm.output, [])
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