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"""Test Main methods.""" |
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from unittest import TestCase |
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from unittest.mock import MagicMock, create_autospec, patch, PropertyMock |
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from pyof.foundation.network_types import Ethernet |
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from pyof.v0x01.controller2switch.common import StatsType |
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from pyof.v0x04.controller2switch.common import MultipartType |
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from kytos.core.connection import ConnectionState |
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from kytos.lib.helpers import (get_switch_mock, get_kytos_event_mock, |
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get_connection_mock) |
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from napps.kytos.of_core.utils import NegotiationException |
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from tests.helpers import get_controller_mock |
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# pylint: disable=protected-access, too-many-public-methods |
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class TestMain(TestCase): |
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"""Test the Main class.""" |
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def setUp(self): |
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"""Execute steps before each tests. |
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Set the server_name_url from kytos/of_core |
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""" |
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self.switch_v0x01 = get_switch_mock("00:00:00:00:00:00:00:01", 0x01) |
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self.switch_v0x04 = get_switch_mock("00:00:00:00:00:00:00:02", 0x04) |
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self.switch_v0x01.connection = get_connection_mock( |
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0x01, get_switch_mock("00:00:00:00:00:00:00:03")) |
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self.switch_v0x04.connection = get_connection_mock( |
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0x04, get_switch_mock("00:00:00:00:00:00:00:04")) |
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patch('kytos.core.helpers.run_on_thread', lambda x: x).start() |
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# pylint: disable=bad-option-value |
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from napps.kytos.of_core.main import Main |
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self.addCleanup(patch.stopall) |
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self.napp = Main(get_controller_mock()) |
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@patch('napps.kytos.of_core.v0x01.utils.send_echo') |
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@patch('napps.kytos.of_core.v0x04.utils.send_echo') |
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def test_execute(self, *args): |
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"""Test execute.""" |
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(mock_of_core_v0x04_utils, mock_of_core_v0x01_utils) = args |
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self.switch_v0x01.is_connected.return_value = True |
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self.switch_v0x04.is_connected.return_value = True |
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self.napp.controller.switches = {"00:00:00:00:00:00:00:01": |
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self.switch_v0x01} |
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self.napp.execute() |
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mock_of_core_v0x01_utils.assert_called() |
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self.napp.controller.switches = {"00:00:00:00:00:00:00:01": |
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self.switch_v0x04} |
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self.napp.execute() |
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mock_of_core_v0x04_utils.assert_called() |
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@patch('napps.kytos.of_core.v0x04.utils.update_flow_list') |
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@patch('napps.kytos.of_core.v0x01.utils.update_flow_list') |
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def test_request_flow_list(self, *args): |
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"""Test request flow list.""" |
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(mock_update_flow_list_v0x01, mock_update_flow_list_v0x04) = args |
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mock_update_flow_list_v0x04.return_value = "ABC" |
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self.napp._request_flow_list(self.switch_v0x01) |
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mock_update_flow_list_v0x01.assert_called_with(self.napp.controller, |
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self.switch_v0x01) |
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self.napp._request_flow_list(self.switch_v0x04) |
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mock_update_flow_list_v0x04.assert_called_with(self.napp.controller, |
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self.switch_v0x04) |
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@patch('napps.kytos.of_core.v0x01.flow.Flow.from_of_flow_stats') |
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def test_handle_stats_reply(self, mock_from_of_flow_stats_v0x01): |
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"""Test handle stats reply.""" |
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mock_from_of_flow_stats_v0x01.return_value = "ABC" |
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flow_msg = MagicMock() |
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flow_msg.body = "A" |
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flow_msg.body_type = StatsType.OFPST_FLOW |
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name = 'kytos/of_core.v0x01.messages.in.ofpt_stats_reply' |
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content = {"source": self.switch_v0x01.connection, |
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"message": flow_msg} |
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event = get_kytos_event_mock(name=name, content=content) |
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self.napp.handle_stats_reply(event) |
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mock_from_of_flow_stats_v0x01.assert_called_with( |
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flow_msg.body, self.switch_v0x01.connection.switch) |
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desc_msg = MagicMock() |
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desc_msg.body = "A" |
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desc_msg.body_type = StatsType.OFPST_DESC |
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content = {"source": self.switch_v0x01.connection, |
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"message": desc_msg} |
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event = get_kytos_event_mock(name=name, content=content) |
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switch_update = self.switch_v0x01.connection.switch.update_description |
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self.napp.handle_stats_reply(event) |
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self.assertEqual(switch_update.call_count, 1) |
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@patch('napps.kytos.of_core.main.Main._handle_multipart_flow_stats') |
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@patch('napps.kytos.of_core.v0x04.utils.handle_port_desc') |
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def test_handle_multipart_reply(self, *args): |
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"""Test handle multipart reply.""" |
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(mock_of_core_v0x04_utils, mock_from_of_flow_stats_v0x04) = args |
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flow_msg = MagicMock() |
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flow_msg.multipart_type = MultipartType.OFPMP_FLOW |
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name = 'kytos/of_core.v0x04.messages.in.ofpt_multipart_reply' |
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content = {"source": self.switch_v0x04.connection, |
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"message": flow_msg} |
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event = get_kytos_event_mock(name=name, content=content) |
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self.napp.handle_multipart_reply(event) |
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mock_from_of_flow_stats_v0x04.assert_called_with( |
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flow_msg, self.switch_v0x04.connection.switch) |
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ofpmp_port_desc = MagicMock() |
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ofpmp_port_desc.body = "A" |
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ofpmp_port_desc.multipart_type = MultipartType.OFPMP_PORT_DESC |
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content = {"source": self.switch_v0x04.connection, |
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"message": ofpmp_port_desc} |
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event = get_kytos_event_mock(name=name, content=content) |
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self.napp.handle_multipart_reply(event) |
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mock_of_core_v0x04_utils.assert_called_with( |
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self.napp.controller, self.switch_v0x04.connection.switch, |
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ofpmp_port_desc.body) |
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ofpmp_desc = MagicMock() |
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ofpmp_desc.body = "A" |
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ofpmp_desc.multipart_type = MultipartType.OFPMP_DESC |
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content = {"source": self.switch_v0x04.connection, |
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"message": ofpmp_desc} |
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event = get_kytos_event_mock(name=name, content=content) |
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switch_update = self.switch_v0x04.connection.switch.update_description |
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self.napp.handle_multipart_reply(event) |
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self.assertEqual(switch_update.call_count, 1) |
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@patch('kytos.core.buffers.KytosEventBuffer.put') |
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@patch('napps.kytos.of_core.v0x04.utils.send_set_config') |
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@patch('napps.kytos.of_core.v0x01.utils.send_set_config') |
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@patch('napps.kytos.of_core.v0x04.utils.send_desc_request') |
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@patch('napps.kytos.of_core.v0x01.utils.send_desc_request') |
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@patch('napps.kytos.of_core.v0x04.utils.handle_features_reply') |
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@patch('napps.kytos.of_core.v0x01.utils.handle_features_reply') |
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def test_handle_features_reply(self, *args): |
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"""Test handle features reply.""" |
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(mock_freply_v0x01, mock_freply_v0x04, mock_send_desc_request_v0x01, |
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mock_send_desc_request_v0x04, mock_send_set_config_v0x01, |
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mock_send_set_config_v0x04, mock_buffers_put) = args |
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mock_freply_v0x01.return_value = self.switch_v0x01.connection.switch |
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mock_freply_v0x04.return_value = self.switch_v0x04.connection.switch |
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self.switch_v0x01.connection.state = ConnectionState.SETUP |
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self.switch_v0x01.connection.protocol.state = 'waiting_features_reply' |
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name = 'kytos/of_core.v0x0[14].messages.in.ofpt_features_reply' |
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content = {"source": self.switch_v0x01.connection} |
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event = get_kytos_event_mock(name=name, content=content) |
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self.napp.handle_features_reply(event) |
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mock_freply_v0x01.assert_called_with(self.napp.controller, event) |
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mock_send_desc_request_v0x01.assert_called_with( |
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self.napp.controller, self.switch_v0x01.connection.switch) |
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mock_send_set_config_v0x01.assert_called_with( |
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self.napp.controller, self.switch_v0x01.connection.switch) |
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self.switch_v0x04.connection.state = ConnectionState.SETUP |
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self.switch_v0x04.connection.protocol.state = 'waiting_features_reply' |
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content = {"source": self.switch_v0x04.connection} |
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event = get_kytos_event_mock(name=name, content=content) |
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self.napp.handle_features_reply(event) |
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mock_freply_v0x04.assert_called_with(self.napp.controller, event) |
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mock_send_desc_request_v0x04.assert_called_with( |
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self.napp.controller, self.switch_v0x04.connection.switch) |
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mock_send_set_config_v0x04.assert_called_with( |
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self.napp.controller, self.switch_v0x04.connection.switch) |
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mock_buffers_put.assert_called() |
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@patch('napps.kytos.of_core.main.Main._update_switch_flows') |
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@patch('napps.kytos.of_core.v0x04.flow.Flow.from_of_flow_stats') |
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@patch('napps.kytos.of_core.main.Main._is_multipart_reply_ours') |
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def test_handle_multipart_flow_stats(self, *args): |
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"""Test handle multipart flow stats.""" |
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(mock_is_multipart_reply_ours, mock_from_of_flow_stats_v0x01, |
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mock_update_switch_flows) = args |
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mock_is_multipart_reply_ours.return_value = True |
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mock_from_of_flow_stats_v0x01.return_value = "ABC" |
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flow_msg = MagicMock() |
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flow_msg.body = "A" |
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flow_msg.flags.value = 2 |
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flow_msg.body_type = StatsType.OFPST_FLOW |
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self.napp._handle_multipart_flow_stats(flow_msg, self.switch_v0x04) |
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mock_is_multipart_reply_ours.assert_called_with(flow_msg, |
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self.switch_v0x04) |
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mock_from_of_flow_stats_v0x01.assert_called_with(flow_msg.body, |
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self.switch_v0x04) |
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mock_update_switch_flows.assert_called_with(self.switch_v0x04) |
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def test_update_switch_flows(self): |
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"""Test update_switch_flows.""" |
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dpid = '00:00:00:00:00:00:00:01' |
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mock_switch = get_switch_mock(dpid) |
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mock_switch.id = dpid |
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self.napp._multipart_replies_flows = {dpid: mock_switch} |
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self.napp._multipart_replies_xids = {dpid: mock_switch} |
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self.napp._update_switch_flows(mock_switch) |
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self.assertEqual(self.napp._multipart_replies_xids, {}) |
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self.assertEqual(self.napp._multipart_replies_flows, {}) |
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def test_is_multipart_reply_ours(self): |
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"""Test _is_multipart_reply_ours.""" |
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dpid_a = '00:00:00:00:00:00:00:01' |
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dpid_b = '00:00:00:00:00:00:00:02' |
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mock_switch = get_switch_mock(dpid_a) |
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mock_reply = MagicMock() |
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mock_reply.header.xid = mock_switch |
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type(mock_switch).id = PropertyMock(side_effect=[dpid_a, |
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dpid_a, dpid_b]) |
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self.napp._multipart_replies_xids = {dpid_a: mock_switch} |
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response = self.napp._is_multipart_reply_ours(mock_reply, mock_switch) |
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self.assertEqual(response, True) |
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response = self.napp._is_multipart_reply_ours(mock_reply, mock_switch) |
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self.assertEqual(response, False) |
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@patch('napps.kytos.of_core.main.of_slicer') |
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@patch('napps.kytos.of_core.main.Main._negotiate') |
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@patch('napps.kytos.of_core.main.Main.emit_message_in') |
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def test_handle_raw_in(self, *args): |
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"""Test handle_raw_in.""" |
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(mock_emit_message_in, mock_negotiate, mock_of_slicer) = args |
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mock_packets = MagicMock() |
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mock_data = MagicMock() |
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mock_connection = MagicMock() |
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mock_connection.is_new.side_effect = [True, False, True, False] |
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mock_connection.is_during_setup.return_value = False |
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mock_of_slicer.return_value = [[mock_packets, mock_packets], b''] |
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name = 'kytos/core.openflow.raw.in' |
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content = {'source': mock_connection, 'new_data': mock_data} |
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mock_event = get_kytos_event_mock(name=name, content=content) |
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239
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self.napp.handle_raw_in(mock_event) |
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mock_negotiate.assert_called() |
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mock_emit_message_in.assert_called() |
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# Test Fail |
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mock_negotiate.side_effect = NegotiationException('Foo') |
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self.napp.handle_raw_in(mock_event) |
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self.assertEqual(mock_connection.close.call_count, 1) |
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248
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mock_connection.close.call_count = 0 |
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mock_connection.protocol.unpack.side_effect = AttributeError() |
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self.napp.handle_raw_in(mock_event) |
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self.assertEqual(mock_connection.close.call_count, 1) |
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@patch('napps.kytos.of_core.main.Main.update_port_status') |
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@patch('napps.kytos.of_core.main.Main.update_links') |
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def test_emit_message_in(self, *args): |
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"""Test emit_message_in.""" |
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(mock_update_links, mock_update_port_status) = args |
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259
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mock_port_connection = MagicMock() |
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msg_port_mock = MagicMock() |
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msg_port_mock.header.message_type.name = 'ofpt_port_status' |
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mock_port_connection.side_effect = True |
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self.napp.emit_message_in(mock_port_connection, |
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msg_port_mock) |
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mock_update_port_status.assert_called_with(msg_port_mock, |
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mock_port_connection) |
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268
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mock_packet_in_connection = MagicMock() |
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msg_packet_in_mock = MagicMock() |
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mock_packet_in_connection.side_effect = True |
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msg_packet_in_mock.header.message_type.name = 'ofpt_packet_in' |
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self.napp.emit_message_in(mock_packet_in_connection, |
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msg_packet_in_mock) |
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mock_update_links.assert_called_with(msg_packet_in_mock, |
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mock_packet_in_connection) |
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277
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@patch('napps.kytos.of_core.main.emit_message_out') |
278
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def test_emit_message_out(self, mock_emit_message_out): |
279
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"""Test emit message_out.""" |
280
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mock_connection = MagicMock() |
281
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mock_message = MagicMock() |
282
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mock_connection.is_alive.return_value = True |
283
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self.napp.emit_message_out(mock_connection, mock_message) |
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mock_emit_message_out.assert_called() |
285
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286
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@patch('pyof.utils.v0x04.symmetric.echo_reply.EchoReply') |
287
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@patch('napps.kytos.of_core.main.Main.emit_message_out') |
288
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def test_handle_echo_request(self, *args): |
289
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"""Test handle echo request messages.""" |
290
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(mock_emit_message_out, mock_echo_reply) = args |
291
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mock_event = MagicMock() |
292
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mock_echo_request = MagicMock() |
293
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mock_echo_reply.return_value = "A" |
294
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mock_echo_request.header.xid = "A" |
295
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mock_echo_request.data = "A" |
296
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mock_event.source.protocol.version = 4 |
297
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mock_event.message = mock_echo_request |
298
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self.napp.handle_echo_request(mock_event) |
299
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mock_echo_reply.assert_called_with(xid=mock_echo_request.header.xid, |
300
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data=mock_echo_request.data) |
301
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mock_emit_message_out.assert_called_with(mock_event.source, "A") |
302
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303
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@patch('napps.kytos.of_core.main.Main.send_features_request') |
304
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@patch('napps.kytos.of_core.v0x04.utils.say_hello') |
305
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@patch('napps.kytos.of_core.main._get_version_from_bitmask') |
306
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@patch('napps.kytos.of_core.main._get_version_from_header') |
307
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def test_negotiate(self, *args): |
308
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"""Test negotiate.""" |
309
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(mock_version_header, mock_version_bitmask, mock_say_hello, |
310
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mock_features_request) = args |
311
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mock_version_header.return_value = 4 |
312
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mock_version_bitmask.side_effect = [4, None] |
313
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mock_connection = MagicMock() |
314
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mock_message = MagicMock() |
315
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type(mock_message).versions = PropertyMock(side_effect=[4, 4, 4, |
316
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False]) |
317
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318
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self.napp._negotiate(mock_connection, mock_message) |
319
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mock_version_bitmask.assert_called_with(mock_message.versions) |
320
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mock_say_hello.assert_called_with(self.napp.controller, |
321
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mock_connection) |
322
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mock_features_request.assert_called_with(mock_connection) |
323
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|
324
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self.napp._negotiate(mock_connection, mock_message) |
325
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mock_say_hello.assert_called_with(self.napp.controller, |
326
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mock_connection) |
327
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mock_features_request.assert_called_with(mock_connection) |
328
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329
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# Test Fail |
330
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with self.assertRaises(NegotiationException): |
331
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type(mock_message).versions = PropertyMock(return_value=[4]) |
332
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self.napp._negotiate(mock_connection, mock_message) |
333
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|
334
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@patch('pyof.utils.v0x04.asynchronous.error_msg.ErrorMsg') |
335
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@patch('napps.kytos.of_core.main.Main.emit_message_out') |
336
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@patch('kytos.core.buffers.KytosEventBuffer.put') |
337
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def tests_fail_negotiation(self, *args): |
338
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"""Test fail_negotiation.""" |
339
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(mock_event_buffer, mock_emit_message_out, |
340
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mock_error_msg) = args |
341
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mock_connection = MagicMock() |
342
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mock_message = MagicMock() |
343
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mock_connection.id = "A" |
344
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mock_message.side_effect = 4 |
345
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self.napp.fail_negotiation(mock_connection, mock_message) |
346
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mock_event_buffer.assert_called() |
347
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mock_emit_message_out.assert_called_with(mock_connection, |
348
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mock_error_msg.return_value) |
349
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|
350
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@patch('napps.kytos.of_core.settings.SEND_FEATURES_REQUEST_ON_ECHO') |
351
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@patch('napps.kytos.of_core.main.Main.send_features_request') |
352
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def test_handle_queued_openflow_echo_reply(self, *args): |
353
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"""Test handle queued OpenFlow echo reply messages.""" |
354
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(mock_send_features_request, mock_settings) = args |
355
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mock_settings.return_value = True |
356
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mock_event = MagicMock() |
357
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self.napp.handle_queued_openflow_echo_reply(mock_event) |
358
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|
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mock_send_features_request.assert_called_with(mock_event.destination) |
359
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|
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|
360
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|
@patch('pyof.utils.v0x04.controller2switch.' |
361
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|
|
'features_request.FeaturesRequest') |
362
|
|
|
@patch('napps.kytos.of_core.main.Main.emit_message_out') |
363
|
|
|
def test_send_features_request(self, *args): |
364
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|
|
"""Test send send_features_request.""" |
365
|
|
|
(mock_emit_message_out, mock_features_request) = args |
366
|
|
|
mock_destination = MagicMock() |
367
|
|
|
mock_destination.protocol.version = 4 |
368
|
|
|
mock_features_request.return_value = "A" |
369
|
|
|
self.napp.send_features_request(mock_destination) |
370
|
|
|
mock_features_request.assert_called() |
371
|
|
|
mock_emit_message_out.assert_called_with(mock_destination, "A") |
372
|
|
|
|
373
|
|
|
def test_handle_features_request_sent(self): |
374
|
|
|
"""Test tests_handle_features_request_sent.""" |
375
|
|
|
mock_protocol = MagicMock() |
376
|
|
|
mock_protocol.protocol.state = 'sending_features' |
377
|
|
|
expected = 'waiting_features_reply' |
378
|
|
|
name = 'kytos/of_core.v0x0[14].messages.out.ofpt_features_request' |
379
|
|
|
content = {'destination': mock_protocol} |
380
|
|
|
mock_event = get_kytos_event_mock(name=name, content=content) |
381
|
|
|
self.napp.handle_features_request_sent(mock_event) |
382
|
|
|
self.assertEqual(mock_event.destination.protocol.state, expected) |
383
|
|
|
|
384
|
|
|
def test_handle_openflow_in_hello_failed(self): |
385
|
|
|
"""Test handle_openflow_in_hello_failed.""" |
386
|
|
|
mock_destination = MagicMock() |
387
|
|
|
content = {'destination': mock_destination} |
388
|
|
|
mock_event = get_kytos_event_mock(name='kytos/of_core', |
389
|
|
|
content=content) |
390
|
|
|
self.napp.handle_openflow_in_hello_failed(mock_event) |
391
|
|
|
self.assertEqual(mock_event.destination.close.call_count, 1) |
392
|
|
|
|
393
|
|
|
@patch('napps.kytos.of_core.main.log') |
394
|
|
|
def test_shutdown(self, mock_log): |
395
|
|
|
"""Test shutdown.""" |
396
|
|
|
self.napp.shutdown() |
397
|
|
|
self.assertEqual(mock_log.debug.call_count, 1) |
398
|
|
|
|
399
|
|
|
@patch('kytos.core.buffers.KytosEventBuffer.put') |
400
|
|
|
@patch('napps.kytos.of_core.main.Ethernet') |
401
|
|
|
def test_update_links(self, *args): |
402
|
|
|
"""Test update_links.""" |
403
|
|
|
(mock_ethernet, mock_buffer_put) = args |
404
|
|
|
ethernet = create_autospec(Ethernet) |
405
|
|
|
ethernet.ether_type = "A" |
406
|
|
|
mock_ethernet.side_effect = ethernet |
407
|
|
|
mock_message = MagicMock() |
408
|
|
|
mock_s = MagicMock() |
409
|
|
|
mock_s.switch.get_interface_by_port_no.side_effect = [AttributeError(), |
410
|
|
|
True] |
411
|
|
|
self.napp.update_links(mock_message, mock_s) |
412
|
|
|
mock_ethernet.assert_called() |
413
|
|
|
mock_buffer_put.assert_called() |
414
|
|
|
|
415
|
|
|
@patch('kytos.core.buffers.KytosEventBuffer.put') |
416
|
|
|
def test_send_specific_port_mod(self, mock_buffer_put): |
417
|
|
|
"""Test send specific port.""" |
418
|
|
|
mock_port = MagicMock() |
419
|
|
|
mock_interface = MagicMock() |
420
|
|
|
type(mock_port.state).value = PropertyMock(side_effect=[0, 1, 2]) |
421
|
|
|
current_state = 0 |
422
|
|
|
self.napp._send_specific_port_mod(mock_port, |
423
|
|
|
mock_interface, current_state) |
424
|
|
|
mock_buffer_put.assert_called() |
425
|
|
|
|
426
|
|
|
current_state = 1 |
427
|
|
|
self.napp._send_specific_port_mod(mock_port, |
428
|
|
|
mock_interface, current_state) |
429
|
|
|
mock_buffer_put.assert_called() |
430
|
|
|
|
431
|
|
|
current_state = 2 |
432
|
|
|
self.napp._send_specific_port_mod(mock_port, |
433
|
|
|
mock_interface, current_state) |
434
|
|
|
mock_buffer_put.assert_called() |
435
|
|
|
|
436
|
|
|
@patch('kytos.core.buffers.KytosEventBuffer.put') |
437
|
|
|
@patch('napps.kytos.of_core.main.Interface') |
438
|
|
|
@patch('napps.kytos.of_core.main.Main._send_specific_port_mod') |
439
|
|
|
def test_update_port_status(self, *args): |
440
|
|
|
"""Test update_port_status.""" |
441
|
|
|
(mock_port_mod, mock_interface, mock_buffer_put) = args |
442
|
|
|
mock_port_status = MagicMock() |
443
|
|
|
mock_source = MagicMock() |
444
|
|
|
|
445
|
|
|
mock_port_status.reason.value.side_effect = [0, 1, 2] |
446
|
|
|
mock_port_status.reason.enum_ref(0).name = 'OFPPR_ADD' |
447
|
|
|
self.napp.update_port_status(mock_port_status, mock_source) |
448
|
|
|
mock_interface.assert_called() |
449
|
|
|
|
450
|
|
|
# check OFPRR_MODIFY |
451
|
|
|
mock_port_status.reason.enum_ref(1).name = 'OFPPR_MODIFY' |
452
|
|
|
mock_source.switch.get_interface_by_port_no.return_value = False |
453
|
|
|
self.napp.update_port_status(mock_port_status, mock_source) |
454
|
|
|
mock_port_mod.assert_called() |
455
|
|
|
mock_buffer_put.assert_called() |
456
|
|
|
|
457
|
|
|
mock_source.switch.get_interface_by_port_no.return_value = MagicMock() |
458
|
|
|
self.napp.update_port_status(mock_port_status, mock_source) |
459
|
|
|
mock_port_mod.assert_called() |
460
|
|
|
mock_buffer_put.assert_called() |
461
|
|
|
|
462
|
|
|
# check OFPRR_DELETE |
463
|
|
|
mock_port_status.reason.enum_ref(2).name = 'OFPPR_DELETE' |
464
|
|
|
self.napp.update_port_status(mock_port_status, mock_source) |
465
|
|
|
mock_port_mod.assert_called() |
466
|
|
|
mock_buffer_put.assert_called() |
467
|
|
|
|