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1
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"""Test LoopManager methods.""" |
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2
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from datetime import timedelta |
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3
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from unittest.mock import AsyncMock, MagicMock, patch |
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4
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1 |
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5
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import pytest |
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6
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1 |
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from httpx import Response |
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7
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8
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1 |
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from kytos.lib.helpers import get_interface_mock, get_switch_mock |
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9
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1 |
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10
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from kytos.core.helpers import now |
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11
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from napps.kytos.of_lldp.managers.loop_manager import LoopManager |
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12
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1 |
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13
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14
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1 |
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class TestLoopManager: |
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15
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1 |
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"""Tests for LoopManager.""" |
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16
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1 |
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17
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1 |
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def setup_method(self): |
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18
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"""Execute steps before each tests.""" |
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19
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1 |
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controller = MagicMock() |
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20
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1 |
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self.loop_manager = LoopManager(controller) |
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21
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1 |
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22
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async def test_process_if_looped(self): |
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23
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"""Test process_if_looped.""" |
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24
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1 |
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dpid = "00:00:00:00:00:00:00:01" |
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25
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switch = get_switch_mock(dpid, 0x04) |
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26
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1 |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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27
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1 |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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28
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1 |
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self.loop_manager.ignored_loops = {} |
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29
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1 |
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self.loop_manager.publish_loop_actions = AsyncMock() |
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30
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1 |
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self.loop_manager.apublish_loop_state = AsyncMock() |
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31
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1 |
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assert await self.loop_manager.process_if_looped(intf_a, intf_b) |
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32
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1 |
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assert self.loop_manager.publish_loop_actions.call_count == 1 |
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33
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assert self.loop_manager.apublish_loop_state.call_count == 1 |
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34
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35
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async def test_publish_loop_state(self): |
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36
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"""Test publish_loop_state.""" |
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37
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1 |
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dpid = "00:00:00:00:00:00:00:01" |
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38
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switch = get_switch_mock(dpid, 0x04) |
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39
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1 |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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40
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1 |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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41
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1 |
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state = "detected" |
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42
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1 |
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self.loop_manager.controller.buffers.app.aput = AsyncMock() |
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43
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1 |
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await self.loop_manager.apublish_loop_state(intf_a, intf_b, state) |
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44
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1 |
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assert self.loop_manager.controller.buffers.app.aput.call_count == 1 |
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45
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1 |
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46
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1 |
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async def test_publish_loop_actions(self): |
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47
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1 |
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"""Test publish_loop_actions.""" |
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48
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1 |
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dpid = "00:00:00:00:00:00:00:01" |
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49
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1 |
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switch = get_switch_mock(dpid, 0x04) |
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50
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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51
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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52
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1 |
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self.loop_manager.controller.buffers.app.aput = AsyncMock() |
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53
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await self.loop_manager.publish_loop_actions(intf_a, intf_b) |
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54
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assert self.loop_manager.controller.buffers.app.aput.call_count == len( |
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55
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1 |
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set(self.loop_manager.actions) |
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56
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) |
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57
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1 |
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58
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1 |
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@pytest.mark.parametrize("dpid_a,port_a,dpid_b,port_b,expected", [ |
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59
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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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60
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1 |
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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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61
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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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62
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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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63
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1 |
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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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64
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1 |
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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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65
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1 |
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]) |
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66
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def test_is_looped(self, dpid_a, port_a, dpid_b, port_b, expected): |
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67
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"""Test is_looped cases.""" |
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68
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assert self.loop_manager.is_looped( |
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69
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dpid_a, port_a, dpid_b, port_b |
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70
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) == expected |
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71
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72
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def test_is_loop_ignored(self): |
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73
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1 |
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"""Test is_loop_ignored.""" |
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74
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1 |
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75
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dpid = "00:00:00:00:00:00:00:01" |
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76
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port_a = 1 |
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77
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1 |
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port_b = 2 |
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78
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self.loop_manager.ignored_loops[dpid] = [[port_a, port_b]] |
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79
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80
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assert self.loop_manager.is_loop_ignored( |
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81
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dpid, port_a=port_a, port_b=port_b |
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82
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) |
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83
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assert self.loop_manager.is_loop_ignored( |
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84
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1 |
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dpid, port_a=port_b, port_b=port_a |
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85
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) |
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86
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87
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1 |
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assert not self.loop_manager.is_loop_ignored( |
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88
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1 |
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dpid, port_a + 20, port_b |
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89
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1 |
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) |
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90
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1 |
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91
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dpid = "00:00:00:00:00:00:00:02" |
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92
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1 |
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assert not self.loop_manager.is_loop_ignored(dpid, port_a, port_b) |
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93
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94
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@patch("napps.kytos.of_lldp.managers.loop_manager.log") |
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95
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1 |
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async def test_handle_log_action(self, mock_log): |
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96
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"""Test handle_log_action.""" |
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97
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98
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dpid = "00:00:00:00:00:00:00:01" |
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99
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1 |
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switch = get_switch_mock(dpid, 0x04) |
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100
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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101
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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102
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103
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1 |
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await self.loop_manager.handle_log_action(intf_a, intf_b) |
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104
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1 |
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mock_log.warning.call_count = 1 |
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105
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assert self.loop_manager.loop_counter[dpid][(1, 2)] == 0 |
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106
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1 |
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await self.loop_manager.handle_log_action(intf_a, intf_b) |
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107
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1 |
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mock_log.warning.call_count = 1 |
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108
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assert self.loop_manager.loop_counter[dpid][(1, 2)] == 1 |
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109
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110
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1 |
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@patch("napps.kytos.of_lldp.managers.loop_manager.log") |
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111
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1 |
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async def test_handle_disable_action(self, mock_log, monkeypatch): |
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112
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1 |
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"""Test handle_disable_action.""" |
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113
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1 |
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114
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dpid = "00:00:00:00:00:00:00:01" |
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115
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1 |
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switch = get_switch_mock(dpid, 0x04) |
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116
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1 |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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117
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1 |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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118
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1 |
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119
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1 |
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aclient_mock, awith_mock = AsyncMock(), MagicMock() |
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120
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1 |
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aclient_mock.post.return_value = Response(200, json={}, |
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121
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request=MagicMock()) |
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122
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1 |
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awith_mock.return_value.__aenter__.return_value = aclient_mock |
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123
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1 |
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monkeypatch.setattr("httpx.AsyncClient", awith_mock) |
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124
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1 |
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125
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await self.loop_manager.handle_disable_action(intf_a, intf_b) |
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126
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assert aclient_mock.post.call_count == 1 |
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127
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1 |
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assert mock_log.info.call_count == 1 |
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128
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1 |
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129
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1 |
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@patch("napps.kytos.of_lldp.managers.loop_manager.log") |
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130
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1 |
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async def test_handle_loop_stopped(self, mock_log, monkeypatch): |
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131
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"""Test handle_loop_stopped.""" |
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132
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1 |
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133
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1 |
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dpid = "00:00:00:00:00:00:00:01" |
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134
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1 |
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switch = get_switch_mock(dpid, 0x04) |
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135
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1 |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
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136
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1 |
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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137
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1 |
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138
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aclient_mock, awith_mock = AsyncMock(), MagicMock() |
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139
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1 |
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aclient_mock.post.return_value = Response(200, json={}, |
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140
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1 |
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request=MagicMock()) |
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141
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1 |
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awith_mock.return_value.__aenter__.return_value = aclient_mock |
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142
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monkeypatch.setattr("httpx.AsyncClient", awith_mock) |
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143
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144
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1 |
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self.loop_manager.loop_state[dpid][(1, 2)] = {"state": "detected"} |
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145
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1 |
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self.loop_manager.actions = ["log", "disable"] |
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146
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1 |
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await self.loop_manager.handle_loop_stopped(intf_a, intf_b) |
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147
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1 |
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assert intf_a.remove_metadata.call_count == 1 |
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148
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intf_a.remove_metadata.assert_called_with("looped") |
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149
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1 |
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assert "log" in self.loop_manager.actions |
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150
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1 |
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assert "disable" in self.loop_manager.actions |
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151
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1 |
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assert mock_log.info.call_count == 2 |
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152
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1 |
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assert self.loop_manager.loop_state[dpid][(1, 2)]["state"] == "stopped" |
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153
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1 |
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154
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1 |
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async def test_set_loop_detected(self): |
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155
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1 |
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"""Test set_loop_detected.""" |
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156
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1 |
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157
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1 |
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dpid = "00:00:00:00:00:00:00:01" |
|
158
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1 |
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switch = get_switch_mock(dpid, 0x04) |
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159
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1 |
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intf_a = get_interface_mock("s1-eth1", 1, switch) |
|
160
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intf_b = get_interface_mock("s1-eth2", 2, switch) |
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161
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1 |
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162
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port_pair = [intf_a.port_number, intf_b.port_number] |
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163
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1 |
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await self.loop_manager.set_loop_detected(intf_a, port_pair) |
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164
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1 |
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assert intf_a.extend_metadata.call_count == 1 |
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165
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1 |
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166
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1 |
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tuple_pair = tuple(port_pair) |
|
167
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1 |
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loop_state = self.loop_manager.loop_state |
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168
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1 |
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assert loop_state[dpid][tuple_pair]["state"] == "detected" |
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169
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1 |
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detected_at = loop_state[dpid][tuple_pair]["detected_at"] |
|
170
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assert detected_at |
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171
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1 |
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updated_at = loop_state[dpid][tuple_pair]["updated_at"] |
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172
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assert updated_at |
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173
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1 |
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174
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1 |
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# if it's called again updated_at should be udpated |
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175
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1 |
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await self.loop_manager.set_loop_detected(intf_a, port_pair) |
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176
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1 |
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assert intf_a.extend_metadata.call_count == 1 |
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177
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1 |
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assert loop_state[dpid][tuple_pair]["detected_at"] == detected_at |
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178
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assert loop_state[dpid][tuple_pair]["updated_at"] >= updated_at |
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179
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1 |
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180
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1 |
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# force a different initial state to ensure it would overwrite |
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181
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1 |
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self.loop_manager.loop_state[dpid][tuple_pair]["state"] = "stopped" |
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182
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await self.loop_manager.set_loop_detected(intf_a, port_pair) |
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183
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assert intf_a.extend_metadata.call_count == 2 |
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184
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185
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1 |
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def test_get_stopped_loops(self): |
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186
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"""Test get_stopped_loops.""" |
|
187
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dpid = "00:00:00:00:00:00:00:01" |
|
188
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1 |
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port_pairs = [(1, 2), (3, 3)] |
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189
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1 |
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|
190
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delta = now() - timedelta(minutes=1) |
|
191
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looped_entry = { |
|
192
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1 |
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"state": "detected", |
|
193
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1 |
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"updated_at": delta.strftime("%Y-%m-%dT%H:%M:%S"), |
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194
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1 |
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} |
|
195
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for port_pair in port_pairs: |
|
196
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1 |
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self.loop_manager.loop_state[dpid][port_pair] = looped_entry |
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197
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1 |
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assert self.loop_manager.get_stopped_loops() == {dpid: port_pairs} |
|
198
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199
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1 |
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async def test_handle_topology_loaded(self): |
|
200
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1 |
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"""Test handle_topology loaded.""" |
|
201
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1 |
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dpid = "00:00:00:00:00:00:00:01" |
|
202
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1 |
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switch = get_switch_mock(dpid, 0x04) |
|
203
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|
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mock_topo = MagicMock() |
|
204
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switch.metadata = {"ignored_loops": [[1, 2]]} |
|
205
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mock_topo.switches = {dpid: switch} |
|
206
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|
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|
207
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self.loop_manager.ignored_loops = {} |
|
208
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1 |
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assert dpid not in self.loop_manager.ignored_loops |
|
209
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1 |
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await self.loop_manager.handle_topology_loaded(mock_topo) |
|
210
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|
|
assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
|
211
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1 |
|
|
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212
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1 |
|
async def test_handle_switch_metadata_changed_added(self): |
|
213
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|
|
"""Test handle_switch_metadata_changed added.""" |
|
214
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1 |
|
dpid = "00:00:00:00:00:00:00:01" |
|
215
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1 |
|
switch = get_switch_mock(dpid, 0x04) |
|
216
|
1 |
|
switch.metadata = {"ignored_loops": [[1, 2]]} |
|
217
|
1 |
|
|
|
218
|
1 |
|
self.loop_manager.ignored_loops = {} |
|
219
|
|
|
assert dpid not in self.loop_manager.ignored_loops |
|
220
|
1 |
|
await self.loop_manager.handle_switch_metadata_changed(switch) |
|
221
|
|
|
assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
|
222
|
1 |
|
|
|
223
|
1 |
|
async def test_handle_switch_metadata_changed_incrementally(self): |
|
224
|
|
|
"""Test handle_switch_metadata_changed incrementally.""" |
|
225
|
1 |
|
dpid = "00:00:00:00:00:00:00:01" |
|
226
|
1 |
|
switch = get_switch_mock(dpid, 0x04) |
|
227
|
|
|
switch.id = dpid |
|
228
|
|
|
switch.metadata = {"ignored_loops": [[1, 2]]} |
|
229
|
|
|
self.loop_manager.ignored_loops = {} |
|
230
|
1 |
|
|
|
231
|
1 |
|
assert dpid not in self.loop_manager.ignored_loops |
|
232
|
1 |
|
await self.loop_manager.handle_switch_metadata_changed(switch) |
|
233
|
|
|
assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
|
234
|
1 |
|
|
|
235
|
|
|
switch.metadata = {"ignored_loops": [[1, 2], [3, 4]]} |
|
236
|
1 |
|
await self.loop_manager.handle_switch_metadata_changed(switch) |
|
237
|
1 |
|
assert self.loop_manager.ignored_loops[dpid] == [[1, 2], [3, 4]] |
|
238
|
1 |
|
|
|
239
|
1 |
|
async def test_handle_switch_metadata_changed_removed(self): |
|
240
|
1 |
|
"""Test handle_switch_metadata_changed removed.""" |
|
241
|
|
|
dpid = "00:00:00:00:00:00:00:01" |
|
242
|
1 |
|
switch = get_switch_mock(dpid, 0x04) |
|
243
|
1 |
|
switch.id = dpid |
|
244
|
1 |
|
switch.metadata = {"some_key": "some_value"} |
|
245
|
|
|
self.loop_manager.ignored_loops[dpid] = [[1, 2]] |
|
246
|
1 |
|
|
|
247
|
|
|
assert dpid in self.loop_manager.ignored_loops |
|
248
|
1 |
|
await self.loop_manager.handle_switch_metadata_changed(switch) |
|
249
|
|
|
assert dpid not in self.loop_manager.ignored_loops |
|
250
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|
kytos-ng /
of_lldp
