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"""Test utils.""" |
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import pytest |
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from httpx import Response |
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from unittest.mock import AsyncMock, MagicMock |
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from napps.kytos.telemetry_int import utils |
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from napps.kytos.telemetry_int.exceptions import FlowsNotFound, PriorityOverflow |
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@pytest.mark.parametrize( |
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"flow,expected", |
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[ |
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( |
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{ |
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"flow": { |
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"priority": 100, |
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"match": {"in_port": 100}, |
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"actions": [{"action_type": "output", "port": 1}], |
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} |
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}, |
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{ |
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"flow": { |
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"priority": 100, |
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"match": {"in_port": 100}, |
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"instructions": [ |
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{ |
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"instruction_type": "apply_actions", |
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"actions": [{"action_type": "output", "port": 1}], |
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} |
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], |
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} |
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}, |
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), |
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( |
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{ |
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"flow": { |
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"priority": 100, |
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"match": {"in_port": 100}, |
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"instructions": [ |
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{ |
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"instruction_type": "apply_actions", |
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"actions": [{"action_type": "output", "port": 1}], |
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} |
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], |
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} |
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}, |
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{ |
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"flow": { |
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"priority": 100, |
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"match": {"in_port": 100}, |
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"instructions": [ |
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{ |
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"instruction_type": "apply_actions", |
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"actions": [{"action_type": "output", "port": 1}], |
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} |
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], |
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} |
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}, |
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), |
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], |
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) |
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def test_instructions_from_actions(flow, expected) -> None: |
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"""Test instructions from actions.""" |
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assert utils.set_instructions_from_actions(flow) == expected |
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@pytest.mark.parametrize( |
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"cookie,expected", |
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[ |
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(0xAA3766C105686749, 0xA83766C105686749), |
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(0xAACBEE9338673946, 0xA8CBEE9338673946), |
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], |
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) |
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def test_get_new_cookie(cookie, expected) -> None: |
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"""test get_new_cookie.""" |
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assert utils.get_new_cookie(cookie) == expected |
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@pytest.mark.parametrize( |
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"cookie,expected_evc_id", |
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[ |
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(0xAA3766C105686749, "3766c105686749"), |
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(0xAACBEE9338673946, "cbee9338673946"), |
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], |
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) |
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def test_get_id_from_cookie(cookie, expected_evc_id) -> None: |
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"""test get_id_from_cookie.""" |
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assert utils.get_id_from_cookie(cookie) == expected_evc_id |
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def test_set_new_cookie() -> None: |
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"""Test set_new_cookie.""" |
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flow = {"flow": {"cookie": 0xAA3766C105686749}} |
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utils.set_new_cookie(flow) |
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assert flow["flow"]["cookie"] == 0xA83766C105686749 |
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@pytest.mark.parametrize( |
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"evc_dict,expected", |
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[ |
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({"metadata": {"telemetry": {"enabled": True}}}, True), |
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({"metadata": {"telemetry": {"enabled": False}}}, False), |
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({"metadata": {}}, False), |
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], |
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) |
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def test_has_int_enabled(evc_dict, expected) -> None: |
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"""test has_int_enabled.""" |
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assert utils.has_int_enabled(evc_dict) == expected |
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def test_get_evc_unis() -> None: |
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"""test get_evc_unis.""" |
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evc = { |
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"uni_a": { |
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"tag": {"tag_type": 1, "value": 200}, |
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"interface_id": "00:00:00:00:00:00:00:01:1", |
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}, |
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"uni_z": { |
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"tag": {"tag_type": 1, "value": 200}, |
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"interface_id": "00:00:00:00:00:00:00:01:2", |
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}, |
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} |
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uni_a, uni_z = utils.get_evc_unis(evc) |
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assert uni_a["interface_id"] == evc["uni_a"]["interface_id"] |
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assert uni_a["port_number"] == 1 |
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assert uni_a["switch"] == "00:00:00:00:00:00:00:01" |
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assert uni_z["interface_id"] == evc["uni_z"]["interface_id"] |
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assert uni_z["port_number"] == 2 |
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assert uni_z["switch"] == "00:00:00:00:00:00:00:01" |
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def test_is_intra_switch_evc() -> None: |
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"""test is_instra_switch_evc.""" |
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evc = { |
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"uni_a": { |
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"tag": {"tag_type": 1, "value": 200}, |
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"interface_id": "00:00:00:00:00:00:00:01:1", |
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}, |
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"uni_z": { |
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"tag": {"tag_type": 1, "value": 200}, |
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"interface_id": "00:00:00:00:00:00:00:01:2", |
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}, |
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} |
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assert utils.is_intra_switch_evc(evc) |
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evc["uni_a"]["interface_id"] = "00:00:00:00:00:00:00:02:1" |
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assert not utils.is_intra_switch_evc(evc) |
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def test_add_to_apply_actions() -> None: |
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"""Test add to apply actions.""" |
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instructions = [ |
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{ |
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"instruction_type": "apply_actions", |
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"actions": [ |
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{"action_type": "set_vlan", "vlan_id": 200}, |
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{"action_type": "output", "port": 5}, |
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], |
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} |
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] |
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assert instructions[0]["actions"][0] == {"action_type": "set_vlan", "vlan_id": 200} |
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new_instruction = {"action_type": "add_int_metadata"} |
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utils.add_to_apply_actions(instructions, new_instruction, position=0) |
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assert instructions[0]["actions"][0] == new_instruction |
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def test_set_owner() -> None: |
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"""Test set_owner.""" |
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flow = { |
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"flow": { |
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"priority": 100, |
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"match": {"in_port": 100}, |
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"actions": [{"action_type": "output", "port": 1}], |
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} |
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} |
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utils.set_owner(flow) |
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assert flow["flow"]["owner"] == "telemetry_int" |
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@pytest.mark.parametrize( |
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"actions,actions_to_change,remove,expected_actions", |
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[ |
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( |
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[ |
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{"action_type": "set_queue", "queue_id": 1}, |
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{"action_type": "set_vlan", "vlan_id": 200}, |
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{"action_type": "output", "port": 5}, |
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], |
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["set_vlan"], |
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True, |
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[ |
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{"action_type": "set_queue", "queue_id": 1}, |
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{"action_type": "output", "port": 5}, |
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], |
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), |
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( |
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[ |
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{"action_type": "set_queue", "queue_id": 1}, |
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{"action_type": "set_vlan", "vlan_id": 200}, |
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{"action_type": "output", "port": 5}, |
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], |
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["set_vlan"], |
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False, |
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[ |
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{"action_type": "set_vlan", "vlan_id": 200}, |
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], |
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), |
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], |
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) |
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def test_modify_actions(actions, actions_to_change, remove, expected_actions) -> None: |
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"""test modify_actions.""" |
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assert utils.modify_actions(actions, actions_to_change, remove) == expected_actions |
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async def test_get_found_stored_flows(monkeypatch, intra_evc_evpl_flows_data) -> None: |
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"""test get_found_stored_flows.""" |
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evc_data = intra_evc_evpl_flows_data |
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dpid = "00:00:00:00:00:00:00:01" |
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cookies = [evc_data[dpid][0]["flow"]["cookie"]] |
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# taking the opportunity to also cover the cookie tuple input filter |
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cookies = [(c, c) for c in cookies] |
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assert cookies |
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aclient_mock, awith_mock = AsyncMock(), MagicMock() |
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aclient_mock.request.return_value = Response( |
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200, json=intra_evc_evpl_flows_data, request=MagicMock() |
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) |
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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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resp = await utils.get_found_stored_flows(cookies) |
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assert resp |
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for cookie, _cookie in cookies: |
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assert cookie in resp |
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async def test_get_found_stored_flows_exc(monkeypatch) -> None: |
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"""test get_found_stored_flows exc.""" |
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mock = AsyncMock() |
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mock.return_value = {1: []} |
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monkeypatch.setattr("napps.kytos.telemetry_int.utils._get_stored_flows", mock) |
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with pytest.raises(FlowsNotFound): |
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await utils.get_found_stored_flows() |
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@pytest.mark.parametrize( |
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"flow,expected_prio", |
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[ |
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({"flow": {"priority": 1}}, 101), |
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({"flow": {"priority": 2**16 - 50}}, 2**16 - 49), |
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], |
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) |
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def test_set_priority(flow, expected_prio) -> None: |
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"""test set priority.""" |
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resp = utils.set_priority(flow, "some_id") |
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assert resp["flow"]["priority"] == expected_prio |
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def test_set_priority_exc() -> None: |
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"""test set priority exc.""" |
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flow = {"flow": {"priority": 2**16}} |
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with pytest.raises(PriorityOverflow): |
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utils.set_priority(flow, "some_id") |
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