106e88f77a
Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
146 lines
4.9 KiB
Python
146 lines
4.9 KiB
Python
# Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2015 Stratosphere Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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try:
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import mock # Python 2
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except ImportError:
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from unittest import mock # Python 3
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import json
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import os
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import sys
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import warnings
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import unittest
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import logging
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import random
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from ryu.base import app_manager # To suppress cyclic import
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from ryu.controller import controller
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from ryu.controller import handler
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from ryu.ofproto import ofproto_v1_3_parser
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from ryu.ofproto import ofproto_v1_2_parser
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from ryu.ofproto import ofproto_v1_0_parser
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LOG = logging.getLogger('test_controller')
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class Test_Datapath(unittest.TestCase):
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"""
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Test cases for controller.Datapath
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"""
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def _test_ports_accessibility(self, ofproto_parser, msgs_len):
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with mock.patch('ryu.controller.controller.Datapath.set_state'):
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# Ignore warnings
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with warnings.catch_warnings(record=True) as msgs:
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warnings.simplefilter('always')
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# Test target
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sock_mock = mock.Mock()
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addr_mock = mock.Mock()
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dp = controller.Datapath(sock_mock, addr_mock)
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dp.ofproto_parser = ofproto_parser
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# Create
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dp.ports = {}
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# Update
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port_mock = mock.Mock()
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dp.ports[0] = port_mock
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# Read & Delete
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del dp.ports[0]
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self.assertEqual(len(msgs), msgs_len)
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for msg in msgs:
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self.assertTrue(issubclass(msg.category, UserWarning))
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def test_ports_accessibility_v13(self):
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self._test_ports_accessibility(ofproto_v1_3_parser, 2)
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def test_ports_accessibility_v12(self):
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self._test_ports_accessibility(ofproto_v1_2_parser, 0)
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def test_ports_accessibility_v10(self):
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self._test_ports_accessibility(ofproto_v1_0_parser, 0)
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@mock.patch("ryu.base.app_manager", spec=app_manager)
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def test_recv_loop(self, app_manager_mock):
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# Prepare test data
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test_messages = [
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"4-6-ofp_features_reply.packet",
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"4-14-ofp_echo_reply.packet",
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"4-14-ofp_echo_reply.packet",
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"4-4-ofp_packet_in.packet",
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"4-14-ofp_echo_reply.packet",
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"4-14-ofp_echo_reply.packet",
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]
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this_dir = os.path.dirname(sys.modules[__name__].__file__)
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packet_data_dir = os.path.join(this_dir, '../../packet_data/of13')
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json_dir = os.path.join(this_dir, '../ofproto/json/of13')
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packet_buf = bytearray()
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expected_json = list()
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for msg in test_messages:
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# Construct the received packet buffer as one packet data in order
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# to test the case of the OpenFlow messages composed in one packet.
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packet_data_file = os.path.join(packet_data_dir, msg)
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packet_buf += open(packet_data_file, 'rb').read()
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json_data_file = os.path.join(json_dir, msg + '.json')
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expected_json.append(json.load(open(json_data_file)))
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# Prepare mock for socket
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class SocketMock(mock.MagicMock):
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buf = bytearray()
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random = None
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def recv(self, bufsize):
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size = self.random.randint(1, bufsize)
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out = self.buf[:size]
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self.buf = self.buf[size:]
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return out
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# Prepare mock
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ofp_brick_mock = mock.MagicMock(spec=app_manager.RyuApp)
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app_manager_mock.lookup_service_brick.return_value = ofp_brick_mock
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sock_mock = SocketMock()
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sock_mock.buf = packet_buf
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sock_mock.random = random.Random('Ryu SDN Framework')
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addr_mock = mock.MagicMock()
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# Prepare test target
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dp = controller.Datapath(sock_mock, addr_mock)
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dp.set_state(handler.MAIN_DISPATCHER)
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ofp_brick_mock.reset_mock()
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# Test
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dp._recv_loop()
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# Assert calls
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output_json = list()
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for call in ofp_brick_mock.send_event_to_observers.call_args_list:
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args, kwargs = call
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ev, state = args
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if not hasattr(ev, 'msg'):
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continue
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output_json.append(ev.msg.to_jsondict())
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self.assertEqual(state, handler.MAIN_DISPATCHER)
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self.assertEqual(kwargs, {})
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self.assertEqual(expected_json, output_json)
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