build.tests.unit.test_main

Complexity

Total Complexity

21

Size/Duplication

Total Lines	356
Duplicated Lines	0 %

Importance

Changes

0

19 Methods

Rating	Name	Duplication	Size	Complexity
B	TestMain.test_notify_uplink_detected()	0	46	1
A	TestMain.test_build_lldp_packet_out()	0	33	1
A	TestMain.get_topology_interfaces()	0	6	2
A	TestMain.test_execute()	0	27	1
A	TestMain.setUp()	0	14	2
A	TestMain.test_handle_lldp_flows()	0	18	1
A	TestMain.test_get_time()	0	8	1
A	TestMain.test_get_interfaces()	0	7	1
A	TestMain.test_get_interfaces_dict()	0	8	1
A	TestMain.test_enable_disable_lldp_404()	0	15	1
A	TestMain.test_set_time_400()	0	9	1
A	TestMain.test_rest_get_lldp_interfaces()	0	14	1
A	TestMain.test_unpack_non_empty()	0	9	1
A	TestMain.test_enable_disable_lldp_400()	0	20	1
A	TestMain.test_set_time()	0	11	1
A	TestMain.test_enable_disable_lldp_200()	0	19	1
A	TestMain.test_build_lldp_flow()	0	38	1
A	TestMain.test_get_data()	0	9	1
A	TestMain.test_get_lldp_interfaces()	0	12	1

"""Test Main methods."""
from unittest import TestCase
from unittest.mock import MagicMock, call, patch

from kytos.lib.helpers import (get_controller_mock, get_kytos_event_mock,
                               get_switch_mock, get_test_client)

from tests.helpers import get_topology_mock


# pylint: disable=protected-access
class TestMain(TestCase):
    """Tests for the Main class."""

    def setUp(self):
        """Execute steps before each tests."""
        self.server_name_url = 'http://127.0.0.1:8181/api/kytos/of_lldp'

        patch('kytos.core.helpers.run_on_thread', lambda x: x).start()
        # pylint: disable=bad-option-value, import-outside-toplevel
        from napps.kytos.of_lldp.main import Main
        self.addCleanup(patch.stopall)

        self.topology = get_topology_mock()
        controller = get_controller_mock()
        controller.switches = self.topology.switches

        self.napp = Main(controller)

    def get_topology_interfaces(self):
        """Return interfaces present in topology."""
        interfaces = []
        for switch in list(self.topology.switches.values()):
            interfaces += list(switch.interfaces.values())
        return interfaces

    @patch('kytos.core.buffers.KytosEventBuffer.put')
    @patch('napps.kytos.of_lldp.main.Main._build_lldp_packet_out')
    @patch('napps.kytos.of_lldp.main.KytosEvent')
    @patch('napps.kytos.of_lldp.main.VLAN')
    @patch('napps.kytos.of_lldp.main.Ethernet')
    @patch('napps.kytos.of_lldp.main.DPID')
    @patch('napps.kytos.of_lldp.main.LLDP')
    def test_execute(self, *args):
        """Test execute method."""
        (_, _, mock_ethernet, _, mock_kytos_event, mock_build_lldp_packet_out,
         mock_buffer_put) = args

        ethernet = MagicMock()
        ethernet.pack.return_value = 'pack'
        interfaces = self.get_topology_interfaces()
        po_args = [(interface.switch.connection.protocol.version,
                    interface.port_number, 'pack') for interface in interfaces]

        mock_ethernet.return_value = ethernet
        mock_kytos_event.side_effect = po_args

        self.napp.execute()

        mock_build_lldp_packet_out.assert_has_calls([call(*(arg))
                                                     for arg in po_args])
        mock_buffer_put.assert_has_calls([call(arg)
                                          for arg in po_args])

    @patch('requests.delete')
    @patch('requests.post')
    def test_handle_lldp_flows(self, mock_post, mock_delete):
        """Test handle_lldp_flow method."""
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
        self.napp.controller.switches = {dpid: switch}
        event_post = get_kytos_event_mock(name='kytos/topology.switch.enabled',
                                          content={'dpid': dpid})

        event_del = get_kytos_event_mock(name='kytos/topology.switch.disabled',
                                         content={'dpid': dpid})

        self.napp.handle_lldp_flows(event_post)
        mock_post.assert_called()

        self.napp.handle_lldp_flows(event_del)
        mock_delete.assert_called()

    @patch('kytos.core.buffers.KytosEventBuffer.put')
    @patch('napps.kytos.of_lldp.main.KytosEvent')
    @patch('kytos.core.controller.Controller.get_switch_by_dpid')
    @patch('napps.kytos.of_lldp.main.Main._unpack_non_empty')
    @patch('napps.kytos.of_lldp.main.UBInt32')
    @patch('napps.kytos.of_lldp.main.DPID')
    @patch('napps.kytos.of_lldp.main.LLDP')
    @patch('napps.kytos.of_lldp.main.Ethernet')
    def test_notify_uplink_detected(self, *args):
        """Test notify_uplink_detected method."""
        (mock_ethernet, mock_lldp, mock_dpid, mock_ubint32,
         mock_unpack_non_empty, mock_get_switch_by_dpid, mock_kytos_event,
         mock_buffer_put) = args

        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
        message = MagicMock()
        message.in_port = 1
        message.data = 'data'
        event = get_kytos_event_mock(name='kytos/of_core.v0x0[14].messages.in.'
                                          'ofpt_packet_in',
                                     content={'source': switch.connection,
                                              'message': message})

        ethernet = MagicMock()
        ethernet.ether_type = 0x88CC
        ethernet.data = 'eth_data'
        lldp = MagicMock()
        lldp.chassis_id.sub_value = 'chassis_id'
        lldp.port_id.sub_value = 'port_id'
        dpid = MagicMock()
        dpid.value = "00:00:00:00:00:00:00:02"
        port_b = MagicMock()

        mock_unpack_non_empty.side_effect = [ethernet, lldp, dpid, port_b]
        mock_get_switch_by_dpid.return_value = get_switch_mock(dpid.value,
                                                               0x04)
        mock_kytos_event.return_value = 'nni'

        self.napp.notify_uplink_detected(event)

        calls = [call(mock_ethernet, message.data),
                 call(mock_lldp, ethernet.data),
                 call(mock_dpid, lldp.chassis_id.sub_value),
                 call(mock_ubint32, lldp.port_id.sub_value)]
        mock_unpack_non_empty.assert_has_calls(calls)
        mock_buffer_put.assert_called_with('nni')

    @patch('napps.kytos.of_lldp.main.PO13')
    @patch('napps.kytos.of_lldp.main.PO10')
    @patch('napps.kytos.of_lldp.main.AO13')
    @patch('napps.kytos.of_lldp.main.AO10')
    def test_build_lldp_packet_out(self, *args):
        """Test _build_lldp_packet_out method."""
        (mock_ao10, mock_ao13, mock_po10, mock_po13) = args

        ao10 = MagicMock()
        ao13 = MagicMock()
        po10 = MagicMock()
        po10.actions = []
        po13 = MagicMock()
        po13.actions = []

        mock_ao10.return_value = ao10
        mock_ao13.return_value = ao13
        mock_po10.return_value = po10
        mock_po13.return_value = po13

        packet_out10 = self.napp._build_lldp_packet_out(0x01, 1, 'data1')
        packet_out13 = self.napp._build_lldp_packet_out(0x04, 2, 'data2')
        packet_out14 = self.napp._build_lldp_packet_out(0x05, 3, 'data3')

        self.assertEqual(packet_out10.data, 'data1')
        self.assertEqual(packet_out10.actions, [ao10])
        self.assertEqual(packet_out10.actions[0].port, 1)

        self.assertEqual(packet_out13.data, 'data2')
        self.assertEqual(packet_out13.actions, [ao13])
        self.assertEqual(packet_out13.actions[0].port, 2)

        self.assertIsNone(packet_out14)

    @patch('napps.kytos.of_lldp.main.settings')
    @patch('napps.kytos.of_lldp.main.EtherType')
    @patch('napps.kytos.of_lldp.main.Port13')
    @patch('napps.kytos.of_lldp.main.Port10')
    def test_build_lldp_flow(self, *args):
        """Test _build_lldp_flow method."""
        (mock_v0x01_port, mock_v0x04_port, mock_ethertype,
         mock_settings) = args
        self.napp.vlan_id = None
        mock_v0x01_port.OFPP_CONTROLLER = 123
        mock_v0x04_port.OFPP_CONTROLLER = 1234

        mock_ethertype.LLDP = 10
        mock_settings.FLOW_VLAN_VID = None
        mock_settings.FLOW_PRIORITY = 1500
        mock_settings.TABLE_ID = 0

        flow = {}
        match = {}
        flow['priority'] = 1500
        flow['table_id'] = 0
        match['dl_type'] = 10

        flow['match'] = match
        expected_flow_v0x01 = flow.copy()
        expected_flow_v0x04 = flow.copy()

        expected_flow_v0x01['actions'] = [{'action_type': 'output',
                                           'port': 123}]

        expected_flow_v0x04['actions'] = [{'action_type': 'output',
                                           'port': 1234}]

        flow_mod10 = self.napp._build_lldp_flow(0x01)
        flow_mod13 = self.napp._build_lldp_flow(0x04)

        self.assertDictEqual(flow_mod10, expected_flow_v0x01)
        self.assertDictEqual(flow_mod13, expected_flow_v0x04)

    def test_unpack_non_empty(self):
        """Test _unpack_non_empty method."""
        desired_class = MagicMock()
        data = MagicMock()
        data.value = 'data'

        obj = self.napp._unpack_non_empty(desired_class, data)

        obj.unpack.assert_called_with('data')

    def test_get_data(self):
        """Test _get_data method."""
        req = MagicMock()
        interfaces = ['00:00:00:00:00:00:00:01:1', '00:00:00:00:00:00:00:01:2']
        req.get_json.return_value = {'interfaces': interfaces}

        data = self.napp._get_data(req)

        self.assertEqual(data, interfaces)

    def test_get_interfaces(self):
        """Test _get_interfaces method."""
        expected_interfaces = self.get_topology_interfaces()

        interfaces = self.napp._get_interfaces()

        self.assertEqual(interfaces, expected_interfaces)

    def test_get_interfaces_dict(self):
        """Test _get_interfaces_dict method."""
        interfaces = self.napp._get_interfaces()
        expected_interfaces = {inter.id: inter for inter in interfaces}

        interfaces_dict = self.napp._get_interfaces_dict(interfaces)

        self.assertEqual(interfaces_dict, expected_interfaces)

    def test_get_lldp_interfaces(self):
        """Test _get_lldp_interfaces method."""
        lldp_interfaces = self.napp._get_lldp_interfaces()

        expected_interfaces = ['00:00:00:00:00:00:00:01:1',
                               '00:00:00:00:00:00:00:01:2',
                               '00:00:00:00:00:00:00:02:1',
                               '00:00:00:00:00:00:00:02:2',
                               '00:00:00:00:00:00:00:03:1',
                               '00:00:00:00:00:00:00:03:2']

        self.assertEqual(lldp_interfaces, expected_interfaces)

    def test_rest_get_lldp_interfaces(self):
        """Test get_lldp_interfaces method."""
        api = get_test_client(self.napp.controller, self.napp)
        url = f'{self.server_name_url}/v1/interfaces'
        response = api.open(url, method='GET')

        expected_data = {"interfaces": ['00:00:00:00:00:00:00:01:1',
                                        '00:00:00:00:00:00:00:01:2',
                                        '00:00:00:00:00:00:00:02:1',
                                        '00:00:00:00:00:00:00:02:2',
                                        '00:00:00:00:00:00:00:03:1',
                                        '00:00:00:00:00:00:00:03:2']}
        self.assertEqual(response.json, expected_data)
        self.assertEqual(response.status_code, 200)

    def test_enable_disable_lldp_200(self):
        """Test 200 response for enable_lldp and disable_lldp methods."""
        data = {"interfaces": ['00:00:00:00:00:00:00:01:1',
                               '00:00:00:00:00:00:00:01:2',
                               '00:00:00:00:00:00:00:02:1',
                               '00:00:00:00:00:00:00:02:2',
                               '00:00:00:00:00:00:00:03:1',
                               '00:00:00:00:00:00:00:03:2']}

        api = get_test_client(self.napp.controller, self.napp)

        url = f'{self.server_name_url}/v1/interfaces/disable'
        disable_response = api.open(url, method='POST', json=data)

        url = f'{self.server_name_url}/v1/interfaces/enable'
        enable_response = api.open(url, method='POST', json=data)

        self.assertEqual(disable_response.status_code, 200)
        self.assertEqual(enable_response.status_code, 200)

    def test_enable_disable_lldp_404(self):
        """Test 404 response for enable_lldp and disable_lldp methods."""
        data = {"interfaces": []}

        self.napp.controller.switches = {}
        api = get_test_client(self.napp.controller, self.napp)

        url = f'{self.server_name_url}/v1/interfaces/disable'
        disable_response = api.open(url, method='POST', json=data)

        url = f'{self.server_name_url}/v1/interfaces/enable'
        enable_response = api.open(url, method='POST', json=data)

        self.assertEqual(disable_response.status_code, 404)
        self.assertEqual(enable_response.status_code, 404)

    def test_enable_disable_lldp_400(self):
        """Test 400 response for enable_lldp and disable_lldp methods."""
        data = {"interfaces": ['00:00:00:00:00:00:00:01:1',
                               '00:00:00:00:00:00:00:01:2',
                               '00:00:00:00:00:00:00:02:1',
                               '00:00:00:00:00:00:00:02:2',
                               '00:00:00:00:00:00:00:03:1',
                               '00:00:00:00:00:00:00:03:2',
                               '00:00:00:00:00:00:00:04:1']}

        api = get_test_client(self.napp.controller, self.napp)

        url = f'{self.server_name_url}/v1/interfaces/disable'
        disable_response = api.open(url, method='POST', json=data)

        url = f'{self.server_name_url}/v1/interfaces/enable'
        enable_response = api.open(url, method='POST', json=data)

        self.assertEqual(disable_response.status_code, 400)
        self.assertEqual(enable_response.status_code, 400)

    def test_get_time(self):
        """Test get polling time."""
        api = get_test_client(self.napp.controller, self.napp)

        url = f'{self.server_name_url}/v1/polling_time'
        response = api.open(url, method='GET')

        self.assertEqual(response.status_code, 200)

    def test_set_time(self):
        """Test update polling time."""
        data = {"polling_time": 5}

        api = get_test_client(self.napp.controller, self.napp)

        url = f'{self.server_name_url}/v1/polling_time'
        response = api.open(url, method='POST', json=data)

        self.assertEqual(response.status_code, 200)
        self.assertEqual(self.napp.polling_time, data['polling_time'])

    def test_set_time_400(self):
        """Test fail case the update polling time."""
        api = get_test_client(self.napp.controller, self.napp)

        url = f'{self.server_name_url}/v1/polling_time'

        data = {'polling_time': 'A'}
        response = api.open(url, method='POST', json=data)
        self.assertEqual(response.status_code, 400)