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"""Test LoopManager methods.""" |
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from datetime import timedelta |
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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_interface_mock, get_switch_mock |
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from kytos.core.helpers import now |
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from napps.kytos.of_lldp.loop_manager import LoopManager |
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class TestLoopManager(TestCase): |
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"""Tests for LoopManager.""" |
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def setUp(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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def test_is_looped(self): |
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"""Test is_looped cases.""" |
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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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values = [ |
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(dpid_a, 6, dpid_a, 7, True), |
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(dpid_a, 1, dpid_a, 2, True), |
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(dpid_a, 7, dpid_a, 7, True), |
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(dpid_a, 8, dpid_a, 1, False), # port_a > port_b |
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(dpid_a, 1, dpid_b, 2, False), |
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(dpid_a, 2, dpid_b, 1, False), |
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] |
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for dpid_a, port_a, dpid_b, port_b, looped in values: |
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with self.subTest( |
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dpid_a=dpid_a, port_a=port_a, port_b=port_b, looped=looped |
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): |
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assert ( |
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self.loop_manager.is_looped( |
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dpid_a, port_a, dpid_b, port_b |
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) |
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== looped |
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) |
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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.loop_manager.log") |
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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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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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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.loop_manager.requests") |
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@patch("napps.kytos.of_lldp.loop_manager.log") |
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def test_handle_disable_action(self, mock_log, mock_requests): |
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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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response = MagicMock() |
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response.status_code = 200 |
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mock_requests.post.return_value = response |
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self.loop_manager.handle_disable_action(intf_a, intf_b) |
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assert mock_requests.post.call_count == 1 |
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assert mock_log.info.call_count == 1 |
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@patch("napps.kytos.of_lldp.loop_manager.requests") |
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@patch("napps.kytos.of_lldp.loop_manager.log") |
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def test_handle_loop_stopped(self, mock_log, mock_requests): |
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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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self.loop_manager.loop_state[dpid][(1, 2)] = {"state": "detected"} |
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self.loop_manager.actions = ["log", "disable"] |
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response = MagicMock() |
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response.status_code = 200 |
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mock_requests.post.return_value = response |
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self.loop_manager.handle_loop_stopped(intf_a, intf_b) |
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assert mock_requests.delete.call_count == 1 |
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assert mock_requests.post.call_count == 1 |
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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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@patch( |
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"napps.kytos.of_lldp.loop_manager.LoopManager.add_interface_metadata" |
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) |
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def test_handle_loop_detected(self, mock_add_interface_metadata): |
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"""Test handle_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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port_pair = (1, 2) |
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self.loop_manager.handle_loop_detected(intf_a.id, dpid, port_pair) |
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assert ( |
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self.loop_manager.loop_state[dpid][port_pair]["state"] |
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== "detected" |
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) |
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assert mock_add_interface_metadata.call_count == 1 |
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# aditional call while is still active it shouldn't add metadata again |
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self.loop_manager.handle_loop_detected(intf_a.id, dpid, port_pair) |
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assert mock_add_interface_metadata.call_count == 1 |
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# force a different initial state to ensure it would overwrite |
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self.loop_manager.loop_state[dpid][port_pair]["state"] = "stopped" |
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self.loop_manager.handle_loop_detected(intf_a.id, dpid, port_pair) |
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assert mock_add_interface_metadata.call_count == 2 |
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149
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@patch("napps.kytos.of_lldp.loop_manager.requests") |
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def test_add_interface_metadata(self, mock_requests): |
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"""Test add interface metadata.""" |
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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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metadata = { |
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"state": "looped", |
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"port_numbers": [1, 2], |
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"updated_at": now().strftime("%Y-%m-%dT%H:%M:%S"), |
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"detected_at": now().strftime("%Y-%m-%dT%H:%M:%S"), |
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} |
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self.loop_manager.add_interface_metadata(intf_a.id, metadata) |
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assert mock_requests.post.call_count == 1 |
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@patch("napps.kytos.of_lldp.loop_manager.requests") |
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def test_del_interface_metadata(self, mock_requests): |
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"""Test del interface metadata.""" |
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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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self.loop_manager.del_interface_metadata(intf_a.id, "looped") |
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assert mock_requests.delete.call_count == 1 |
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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.publish_loop_state(intf_a, intf_b, state) |
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assert self.loop_manager.controller.buffers.app.put.call_count == 1 |
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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.publish_loop_actions(intf_a, intf_b) |
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assert self.loop_manager.controller.buffers.app.put.call_count == len( |
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set(self.loop_manager.actions) |
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) |
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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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200
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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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203
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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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208
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209
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@patch("napps.kytos.of_lldp.loop_manager.LoopManager.publish_loop_state") |
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@patch("napps.kytos.of_lldp.loop_manager.LoopManager.publish_loop_actions") |
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def test_process_if_looped(self, mock_publish_actions, mock_publish_state): |
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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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assert self.loop_manager.process_if_looped(intf_a, intf_b) |
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assert mock_publish_actions.call_count == 1 |
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assert mock_publish_state.call_count == 1 |
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221
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222
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def test_handle_topology_update(self): |
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223
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"""Test handle_topology pudate.""" |
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224
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dpid = "00:00:00:00:00:00:00:01" |
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225
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switch = get_switch_mock(dpid, 0x04) |
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226
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mock_topo = MagicMock() |
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227
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switch.metadata = {"ignored_loops": [[1, 2]]} |
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228
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mock_topo.switches = {dpid: switch} |
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229
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230
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assert dpid not in self.loop_manager.ignored_loops |
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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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233
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234
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def test_handle_switch_metadata_changed_added(self): |
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235
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"""Test handle_switch_metadata_changed added.""" |
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236
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dpid = "00:00:00:00:00:00:00:01" |
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237
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switch = get_switch_mock(dpid, 0x04) |
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238
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switch.metadata = {"ignored_loops": [[1, 2]]} |
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239
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240
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assert dpid not in self.loop_manager.ignored_loops |
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241
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self.loop_manager.handle_switch_metadata_changed(switch) |
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242
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assert self.loop_manager.ignored_loops[dpid] == [[1, 2]] |
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243
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244
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def test_handle_switch_metadata_changed_removed(self): |
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245
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"""Test handle_switch_metadata_changed removed.""" |
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246
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dpid = "00:00:00:00:00:00:00:01" |
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247
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switch = get_switch_mock(dpid, 0x04) |
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248
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switch.id = dpid |
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249
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switch.metadata = {"some_key": "some_value"} |
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250
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self.loop_manager.ignored_loops[dpid] = [[1, 2]] |
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251
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252
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assert dpid in self.loop_manager.ignored_loops |
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253
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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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kytos-ng /
of_lldp
