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"""Test LoopManager methods.""" |
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from datetime import timedelta |
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from unittest.mock import AsyncMock, MagicMock, patch |
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import pytest |
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from httpx import Response |
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from kytos.lib.helpers import get_interface_mock, get_switch_mock |
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from kytos.core.helpers import now |
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from napps.kytos.of_lldp.managers.loop_manager import LoopManager |
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class TestLoopManager: |
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"""Tests for LoopManager.""" |
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def setup_method(self): |
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"""Execute steps before each tests.""" |
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controller = MagicMock() |
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self.loop_manager = LoopManager(controller) |
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async def test_process_if_looped(self): |
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"""Test process_if_looped.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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self.loop_manager.ignored_loops = {} |
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self.loop_manager.publish_loop_actions = AsyncMock() |
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self.loop_manager.apublish_loop_state = AsyncMock() |
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assert await self.loop_manager.process_if_looped(intf_a, intf_b) |
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assert self.loop_manager.publish_loop_actions.call_count == 1 |
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assert self.loop_manager.apublish_loop_state.call_count == 1 |
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async def test_publish_loop_state(self): |
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"""Test publish_loop_state.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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state = "detected" |
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self.loop_manager.controller.buffers.app.aput = AsyncMock() |
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await self.loop_manager.apublish_loop_state(intf_a, intf_b, state) |
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assert self.loop_manager.controller.buffers.app.aput.call_count == 1 |
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async def test_publish_loop_actions(self): |
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"""Test publish_loop_actions.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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self.loop_manager.controller.buffers.app.aput = AsyncMock() |
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await self.loop_manager.publish_loop_actions(intf_a, intf_b) |
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assert self.loop_manager.controller.buffers.app.aput.call_count == len( |
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set(self.loop_manager.actions) |
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) |
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@pytest.mark.parametrize("dpid_a,port_a,dpid_b,port_b,expected", [ |
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("00:00:00:00:00:00:00:01", 6, "00:00:00:00:00:00:00:01", 7, True), |
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("00:00:00:00:00:00:00:01", 1, "00:00:00:00:00:00:00:01", 2, True), |
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("00:00:00:00:00:00:00:01", 7, "00:00:00:00:00:00:00:01", 7, True), |
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("00:00:00:00:00:00:00:01", 8, "00:00:00:00:00:00:00:01", 1, False), |
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("00:00:00:00:00:00:00:01", 1, "00:00:00:00:00:00:00:02", 2, False), |
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("00:00:00:00:00:00:00:01", 2, "00:00:00:00:00:00:00:02", 1, False), |
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]) |
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def test_is_looped(self, dpid_a, port_a, dpid_b, port_b, expected): |
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"""Test is_looped cases.""" |
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assert self.loop_manager.is_looped( |
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dpid_a, port_a, dpid_b, port_b |
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) == expected |
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def test_is_loop_ignored(self): |
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"""Test is_loop_ignored.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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port_a = 1 |
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port_b = 2 |
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self.loop_manager.ignored_loops[dpid] = [[port_a, port_b]] |
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assert self.loop_manager.is_loop_ignored( |
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dpid, port_a=port_a, port_b=port_b |
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) |
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assert self.loop_manager.is_loop_ignored( |
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dpid, port_a=port_b, port_b=port_a |
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) |
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assert not self.loop_manager.is_loop_ignored( |
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dpid, port_a + 20, port_b |
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) |
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dpid = "00:00:00:00:00:00:00:02" |
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assert not self.loop_manager.is_loop_ignored(dpid, port_a, port_b) |
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@patch("napps.kytos.of_lldp.managers.loop_manager.log") |
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async def test_handle_log_action(self, mock_log): |
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"""Test handle_log_action.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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await self.loop_manager.handle_log_action(intf_a, intf_b) |
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mock_log.warning.call_count = 1 |
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assert self.loop_manager.loop_counter[dpid][(1, 2)] == 0 |
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await self.loop_manager.handle_log_action(intf_a, intf_b) |
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mock_log.warning.call_count = 1 |
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assert self.loop_manager.loop_counter[dpid][(1, 2)] == 1 |
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@patch("napps.kytos.of_lldp.managers.loop_manager.log") |
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async def test_handle_disable_action(self, mock_log, monkeypatch): |
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"""Test handle_disable_action.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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aclient_mock, awith_mock = AsyncMock(), MagicMock() |
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aclient_mock.post.return_value = Response(200, json={}, |
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request=MagicMock()) |
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awith_mock.return_value.__aenter__.return_value = aclient_mock |
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monkeypatch.setattr("httpx.AsyncClient", awith_mock) |
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await self.loop_manager.handle_disable_action(intf_a, intf_b) |
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assert aclient_mock.post.call_count == 1 |
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assert mock_log.info.call_count == 1 |
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@patch("napps.kytos.of_lldp.managers.loop_manager.log") |
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async def test_handle_loop_stopped(self, mock_log, monkeypatch): |
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"""Test handle_loop_stopped.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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aclient_mock, awith_mock = AsyncMock(), MagicMock() |
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aclient_mock.post.return_value = Response(200, json={}, |
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request=MagicMock()) |
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awith_mock.return_value.__aenter__.return_value = aclient_mock |
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monkeypatch.setattr("httpx.AsyncClient", awith_mock) |
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self.loop_manager.loop_state[dpid][(1, 2)] = {"state": "detected"} |
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self.loop_manager.actions = ["log", "disable"] |
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await self.loop_manager.handle_loop_stopped(intf_a, intf_b) |
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assert intf_a.remove_metadata.call_count == 1 |
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intf_a.remove_metadata.assert_called_with("looped") |
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assert "log" in self.loop_manager.actions |
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assert "disable" in self.loop_manager.actions |
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assert mock_log.info.call_count == 2 |
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assert self.loop_manager.loop_state[dpid][(1, 2)]["state"] == "stopped" |
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async def test_set_loop_detected(self): |
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"""Test set_loop_detected.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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port_pair = [intf_a.port_number, intf_b.port_number] |
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await self.loop_manager.set_loop_detected(intf_a, port_pair) |
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assert intf_a.extend_metadata.call_count == 1 |
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tuple_pair = tuple(port_pair) |
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loop_state = self.loop_manager.loop_state |
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assert loop_state[dpid][tuple_pair]["state"] == "detected" |
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detected_at = loop_state[dpid][tuple_pair]["detected_at"] |
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assert detected_at |
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updated_at = loop_state[dpid][tuple_pair]["updated_at"] |
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assert updated_at |
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# if it's called again updated_at should be udpated |
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await self.loop_manager.set_loop_detected(intf_a, port_pair) |
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assert intf_a.extend_metadata.call_count == 1 |
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assert loop_state[dpid][tuple_pair]["detected_at"] == detected_at |
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assert loop_state[dpid][tuple_pair]["updated_at"] >= updated_at |
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# force a different initial state to ensure it would overwrite |
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self.loop_manager.loop_state[dpid][tuple_pair]["state"] = "stopped" |
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await self.loop_manager.set_loop_detected(intf_a, port_pair) |
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assert intf_a.extend_metadata.call_count == 2 |
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def test_get_stopped_loops(self): |
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"""Test get_stopped_loops.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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port_pairs = [(1, 2), (3, 3)] |
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delta = now() - timedelta(minutes=1) |
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looped_entry = { |
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"state": "detected", |
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"updated_at": delta.strftime("%Y-%m-%dT%H:%M:%S"), |
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} |
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for port_pair in port_pairs: |
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self.loop_manager.loop_state[dpid][port_pair] = looped_entry |
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assert self.loop_manager.get_stopped_loops() == {dpid: port_pairs} |
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async def test_handle_topology_loaded(self): |
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"""Test handle_topology loaded.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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mock_topo = MagicMock() |
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switch.metadata = {"ignored_loops": [[1, 2]]} |
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mock_topo.switches = {dpid: switch} |
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self.loop_manager.ignored_loops = {} |
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assert dpid not in self.loop_manager.ignored_loops |
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await self.loop_manager.handle_topology_loaded(mock_topo) |
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assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
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async def test_handle_switch_metadata_changed_added(self): |
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"""Test handle_switch_metadata_changed added.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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switch.metadata = {"ignored_loops": [[1, 2]]} |
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self.loop_manager.ignored_loops = {} |
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assert dpid not in self.loop_manager.ignored_loops |
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await self.loop_manager.handle_switch_metadata_changed(switch) |
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assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
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async def test_handle_switch_metadata_changed_incrementally(self): |
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"""Test handle_switch_metadata_changed incrementally.""" |
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dpid = "00:00:00:00:00:00:00:01" |
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switch = get_switch_mock(dpid, 0x04) |
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switch.id = dpid |
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switch.metadata = {"ignored_loops": [[1, 2]]} |
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self.loop_manager.ignored_loops = {} |
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assert dpid not in self.loop_manager.ignored_loops |
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await self.loop_manager.handle_switch_metadata_changed(switch) |
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assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
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235
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switch.metadata = {"ignored_loops": [[1, 2], [3, 4]]} |
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await self.loop_manager.handle_switch_metadata_changed(switch) |
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assert self.loop_manager.ignored_loops[dpid] == [[1, 2], [3, 4]] |
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async def test_handle_switch_metadata_changed_removed(self): |
240
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"""Test handle_switch_metadata_changed removed.""" |
241
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dpid = "00:00:00:00:00:00:00:01" |
242
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switch = get_switch_mock(dpid, 0x04) |
243
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switch.id = dpid |
244
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switch.metadata = {"some_key": "some_value"} |
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self.loop_manager.ignored_loops[dpid] = [[1, 2]] |
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247
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assert dpid in self.loop_manager.ignored_loops |
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await self.loop_manager.handle_switch_metadata_changed(switch) |
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assert dpid not in self.loop_manager.ignored_loops |
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