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"""Tests for high-level Flow of OpenFlow 1.0 and 1.3.""" |
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from unittest import TestCase |
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from unittest.mock import MagicMock, patch |
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from kytos.lib.helpers import get_connection_mock, get_switch_mock |
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from napps.kytos.of_core.v0x01.flow import Flow as Flow01 |
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from napps.kytos.of_core.v0x04.flow import Flow as Flow04 |
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class TestFlowFactory(TestCase): |
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"""Test the FlowFactory 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=import-outside-toplevel |
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from napps.kytos.of_core.flow import FlowFactory |
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self.addCleanup(patch.stopall) |
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self.napp = FlowFactory() |
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@patch('napps.kytos.of_core.flow.v0x01') |
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@patch('napps.kytos.of_core.flow.v0x04') |
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def test_from_of_flow_stats(self, *args): |
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"""Test from_of_flow_stats.""" |
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(mock_flow_v0x04, mock_flow_v0x01) = args |
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mock_stats = MagicMock() |
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self.napp.from_of_flow_stats(mock_stats, self.switch_v0x01) |
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mock_flow_v0x01.flow.Flow.from_of_flow_stats.assert_called() |
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self.napp.from_of_flow_stats(mock_stats, self.switch_v0x04) |
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mock_flow_v0x04.flow.Flow.from_of_flow_stats.assert_called() |
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class TestFlow(TestCase): |
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"""Test OF flow abstraction.""" |
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mock_switch = get_switch_mock("00:00:00:00:00:00:00:01") |
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mock_switch.id = "00:00:00:00:00:00:00:01" |
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expected = {'switch': mock_switch.id, |
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'table_id': 1, |
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'match': { |
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'dl_src': '11:22:33:44:55:66' |
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}, |
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'priority': 2, |
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'idle_timeout': 3, |
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'hard_timeout': 4, |
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'cookie': 5, |
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'actions': [ |
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{'action_type': 'set_vlan', |
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'vlan_id': 6}], |
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'stats': {}} |
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@patch('napps.kytos.of_core.flow.v0x01') |
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@patch('napps.kytos.of_core.flow.v0x04') |
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@patch('napps.kytos.of_core.flow.json.dumps') |
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def test_flow_mod(self, *args): |
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"""Convert a dict to flow and vice-versa.""" |
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(mock_json, _, _) = args |
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dpid = "00:00:00:00:00:00:00:01" |
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mock_json.return_value = str(self.expected) |
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for flow_class, version in [(Flow04, 0x01), (Flow04, 0x04)]: |
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with self.subTest(flow_class=flow_class): |
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mock_switch = get_switch_mock(dpid, version) |
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mock_switch.id = dpid |
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flow = flow_class.from_dict(self.expected, mock_switch) |
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actual = flow.as_dict() |
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del actual['id'] |
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self.assertDictEqual(self.expected, actual) |
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@patch('napps.kytos.of_core.flow.FlowBase._as_of_flow_mod') |
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def test_of_flow_mod(self, mock_flow_mod): |
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"""Test convertion from Flow to OFFlow.""" |
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for flow_class in Flow01, Flow04: |
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with self.subTest(flow_class=flow_class): |
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flow = flow_class.from_dict(self.expected, self.mock_switch) |
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flow.as_of_add_flow_mod() |
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mock_flow_mod.assert_called() |
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flow.as_of_delete_flow_mod() |
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mock_flow_mod.assert_called() |
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# pylint: disable = protected-access |
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def test_as_of_flow_mod(self): |
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"""Test _as_of_flow_mod.""" |
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mock_command = MagicMock() |
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for flow_class in Flow01, Flow04: |
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with self.subTest(flow_class=flow_class): |
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flow_mod = flow_class.from_dict(self.expected, |
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self.mock_switch) |
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response = flow_mod._as_of_flow_mod(mock_command) |
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self.assertEqual(response.cookie, self.expected['cookie']) |
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self.assertEqual(response.idle_timeout, |
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self.expected['idle_timeout']) |
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self.assertEqual(response.hard_timeout, |
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self.expected['hard_timeout']) |
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class TestFlowBase(TestCase): |
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"""Test FlowBase Class.""" |
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def test__eq__success_with_equal_flows(self): |
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"""Test success case to __eq__ override with equal flows.""" |
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mock_switch = get_switch_mock("00:00:00:00:00:00:00:01") |
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flow_dict = {'switch': mock_switch.id, |
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'table_id': 1, |
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'match': { |
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'dl_src': '11:22:33:44:55:66' |
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}, |
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'priority': 2, |
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'idle_timeout': 3, |
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'hard_timeout': 4, |
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'cookie': 5, |
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'actions': [ |
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{'action_type': 'set_vlan', |
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'vlan_id': 6}], |
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'stats': {} |
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} |
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for flow_class in Flow01, Flow04: |
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with self.subTest(flow_class=flow_class): |
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flow_1 = flow_class.from_dict(flow_dict, mock_switch) |
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flow_2 = flow_class.from_dict(flow_dict, mock_switch) |
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self.assertEqual(flow_1 == flow_2, True) |
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def test__eq__success_with_different_flows(self): |
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"""Test success case to __eq__ override with different flows.""" |
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mock_switch = get_switch_mock("00:00:00:00:00:00:00:01") |
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flow_dict_1 = {'switch': mock_switch.id, |
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'table_id': 1, |
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'match': { |
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'dl_src': '11:22:33:44:55:66' |
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}, |
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'priority': 2, |
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'idle_timeout': 3, |
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'hard_timeout': 4, |
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'cookie': 5, |
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'actions': [ |
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{'action_type': 'set_vlan', |
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'vlan_id': 6}], |
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'stats': {} |
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} |
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flow_dict_2 = {'switch': mock_switch.id, |
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'table_id': 1, |
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'match': { |
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'dl_src': '11:22:33:44:55:66' |
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}, |
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'priority': 1000, |
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'idle_timeout': 3, |
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'hard_timeout': 4, |
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'cookie': 5, |
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'actions': [ |
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{'action_type': 'set_vlan', |
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'vlan_id': 6}], |
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'stats': {} |
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} |
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for flow_class in Flow01, Flow04: |
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with self.subTest(flow_class=flow_class): |
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flow_1 = flow_class.from_dict(flow_dict_1, mock_switch) |
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flow_2 = flow_class.from_dict(flow_dict_2, mock_switch) |
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self.assertEqual(flow_1 == flow_2, False) |
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def test__eq__fail(self): |
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"""Test the case where __eq__ receives objects with different types.""" |
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mock_switch = get_switch_mock("00:00:00:00:00:00:00:01") |
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flow_dict = {'switch': mock_switch.id, |
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'table_id': 1, |
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'match': { |
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'dl_src': '11:22:33:44:55:66' |
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}, |
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'priority': 2, |
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'idle_timeout': 3, |
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'hard_timeout': 4, |
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'cookie': 5, |
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'actions': [ |
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{'action_type': 'set_vlan', |
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'vlan_id': 6}], |
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'stats': {} |
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} |
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for flow_class in Flow01, Flow04: |
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with self.subTest(flow_class=flow_class): |
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flow_1 = flow_class.from_dict(flow_dict, mock_switch) |
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flow_2 = "any_string_object" |
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with self.assertRaises(ValueError): |
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return flow_1 == flow_2 |
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