build.tests.unit.test_main.TestMain.test_no_strict_delete() - Code Metrics - Inspection of "Add support for non-strict exclusion in the consis..." - kytos/flow_manager - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#117)

by Carlos

created 2021-04-08 02:57 UTC

TestMain.test_no_strict_delete() A

↳ Parent: build.tests.unit.test_main

Complexity

Conditions

Size

Total Lines	49
Code Lines	34

Duplication

Lines	49
Ratio	100 %

Importance

Changes

Metric	Value
cc	1
eloc	34
nop	2
dl	49
loc	49
rs	9.064
c	0
b	0
f	0

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

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


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

    API_URL = 'http://localhost:8181/api/kytos/flow_manager'

    def setUp(self):
        patch('kytos.core.helpers.run_on_thread', lambda x: x).start()
        # pylint: disable=import-outside-toplevel
        from napps.kytos.flow_manager.main import Main

        self.addCleanup(patch.stopall)

        controller = get_controller_mock()
        self.switch_01 = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
        self.switch_01.is_enabled.return_value = True
        self.switch_01.flows = []

        self.switch_02 = get_switch_mock("00:00:00:00:00:00:00:02", 0x04)
        self.switch_02.is_enabled.return_value = False
        self.switch_02.flows = []

        controller.switches = {"00:00:00:00:00:00:00:01": self.switch_01,
                               "00:00:00:00:00:00:00:02": self.switch_02}

        self.napp = Main(controller)

    def test_rest_list_without_dpid(self):
        """Test list rest method withoud dpid."""
        flow_1 = MagicMock()
        flow_1.as_dict.return_value = {'flow_1': 'data'}
        flow_2 = MagicMock()
        flow_2.as_dict.return_value = {'flow_2': 'data'}
        self.switch_01.flows.append(flow_1)
        self.switch_02.flows.append(flow_2)

        api = get_test_client(self.napp.controller, self.napp)
        url = f'{self.API_URL}/v2/flows'

        response = api.get(url)
        expected = {'00:00:00:00:00:00:00:01': {'flows': [{'flow_1': 'data'}]},
                    '00:00:00:00:00:00:00:02': {'flows': [{'flow_2': 'data'}]}}

        self.assertEqual(response.json, expected)
        self.assertEqual(response.status_code, 200)

    def test_rest_list_with_dpid(self):
        """Test list rest method with dpid."""
        flow_1 = MagicMock()
        flow_1.as_dict.return_value = {'flow_1': 'data'}
        self.switch_01.flows.append(flow_1)

        api = get_test_client(self.napp.controller, self.napp)
        url = f'{self.API_URL}/v2/flows/00:00:00:00:00:00:00:01'

        response = api.get(url)
        expected = {'00:00:00:00:00:00:00:01': {'flows': [{'flow_1': 'data'}]}}

        self.assertEqual(response.json, expected)
        self.assertEqual(response.status_code, 200)

    @patch('napps.kytos.flow_manager.main.Main._install_flows')
    def test_rest_add_and_delete_without_dpid(self, mock_install_flows):
        """Test add and delete rest method without dpid."""
        api = get_test_client(self.napp.controller, self.napp)

        for method in ['flows', 'delete']:
            url = f'{self.API_URL}/v2/{method}'

            response_1 = api.post(url, json={'data': '123'})
            response_2 = api.post(url)

            self.assertEqual(response_1.status_code, 200)
            self.assertEqual(response_2.status_code, 404)

        self.assertEqual(mock_install_flows.call_count, 2)

    @patch('napps.kytos.flow_manager.main.Main._install_flows')
    def test_rest_add_and_delete_with_dpid(self, mock_install_flows):
        """Test add and delete rest method with dpid."""
        api = get_test_client(self.napp.controller, self.napp)

        for method in ['flows', 'delete']:
            url_1 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:01'
            url_2 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:02'
            url_3 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:03'

            response_1 = api.post(url_1)
            response_2 = api.post(url_1, json={'data': '123'})
            response_3 = api.post(url_2, json={'data': '123'})
            response_4 = api.post(url_3, json={'data': '123'})

            self.assertEqual(response_1.status_code, 404)
            self.assertEqual(response_2.status_code, 200)
            if method == 'flows':
                self.assertEqual(response_3.status_code, 404)
            else:
                self.assertEqual(response_3.status_code, 200)
            self.assertEqual(response_4.status_code, 404)

        self.assertEqual(mock_install_flows.call_count, 3)

    def test_get_all_switches_enabled(self):
        """Test _get_all_switches_enabled method."""
        switches = self.napp._get_all_switches_enabled()

        self.assertEqual(switches, [self.switch_01])

    @patch('napps.kytos.flow_manager.main.Main._store_changed_flows')
    @patch('napps.kytos.flow_manager.main.Main._send_napp_event')
    @patch('napps.kytos.flow_manager.main.Main._add_flow_mod_sent')
    @patch('napps.kytos.flow_manager.main.Main._send_flow_mod')
    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    def test_install_flows(self, *args):
        """Test _install_flows method."""
        (mock_flow_factory, mock_send_flow_mod, mock_add_flow_mod_sent,
         mock_send_napp_event, _) = args
        serializer = MagicMock()
        flow = MagicMock()
        flow_mod = MagicMock()

        flow.as_of_add_flow_mod.return_value = flow_mod
        serializer.from_dict.return_value = flow
        mock_flow_factory.return_value = serializer

        flows_dict = {'flows': [MagicMock()]}
        switches = [self.switch_01]
        self.napp._install_flows('add', flows_dict, switches)

        mock_send_flow_mod.assert_called_with(flow.switch, flow_mod)
        mock_add_flow_mod_sent.assert_called_with(flow_mod.header.xid,
                                                  flow, 'add')
        mock_send_napp_event.assert_called_with(self.switch_01, flow, 'add')

    def test_add_flow_mod_sent(self):
        """Test _add_flow_mod_sent method."""
        xid = 0
        flow = MagicMock()

        self.napp._add_flow_mod_sent(xid, flow, 'add')

        self.assertEqual(self.napp._flow_mods_sent[xid], (flow, 'add'))

    @patch('kytos.core.buffers.KytosEventBuffer.put')
    def test_send_flow_mod(self, mock_buffers_put):
        """Test _send_flow_mod method."""
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
        flow_mod = MagicMock()

        self.napp._send_flow_mod(switch, flow_mod)

        mock_buffers_put.assert_called()

    @patch('kytos.core.buffers.KytosEventBuffer.put')
    def test_send_napp_event(self, mock_buffers_put):
        """Test _send_napp_event method."""
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
        flow = MagicMock()

        for command in ['add', 'delete', 'error']:
            self.napp._send_napp_event(switch, flow, command)

        self.assertEqual(mock_buffers_put.call_count, 3)

    @patch('napps.kytos.flow_manager.main.Main._send_napp_event')
    def test_handle_errors(self, mock_send_napp_event):
        """Test handle_errors method."""
        flow = MagicMock()
        self.napp._flow_mods_sent[0] = (flow, 'add')

        switch = get_switch_mock("00:00:00:00:00:00:00:01")
        switch.connection = get_connection_mock(
            0x04, get_switch_mock("00:00:00:00:00:00:00:02"))

        protocol = MagicMock()
        protocol.unpack.return_value = 'error_packet'

        switch.connection.protocol = protocol

        message = MagicMock()
        message.header.xid.value = 0
        message.error_type = 2
        message.code = 5
        event = get_kytos_event_mock(name='.*.of_core.*.ofpt_error',
                                     content={'message': message,
                                              'source': switch.connection})
        self.napp.handle_errors(event)

        mock_send_napp_event.assert_called_with(flow.switch, flow, 'error',
                                                error_command='add',
                                                error_code=5, error_type=2)

    @patch("napps.kytos.flow_manager.main.StoreHouse.get_data")
    def test_load_flows(self, mock_storehouse):
        """Test load flows."""
        self.napp._load_flows()
        mock_storehouse.assert_called()

    @patch("napps.kytos.flow_manager.main.Main._install_flows")
    def test_resend_stored_flows(self, mock_install_flows):
        """Test resend stored flows."""
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)
        mock_event = MagicMock()
        flow = {"command": "add", "flow": MagicMock()}

        flows = {"flow_list": [flow]}
        mock_event.content = {"switch": switch}
        self.napp.controller.switches = {dpid: switch}
        self.napp.stored_flows = {dpid: flows}
        self.napp.resend_stored_flows(mock_event)
        mock_install_flows.assert_called()

    @patch("napps.kytos.of_core.flow.FlowFactory.get_class")
    @patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
    def test_store_changed_flows(self, mock_save_flow, _):
        """Test store changed flows."""
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)
        switch.id = dpid
        flow = {
            "priority": 17,
            "cookie": 84114964,
            "command": "add",
            "match": {"dl_dst": "00:15:af:d5:38:98"},
        }
        match_fields = {
            "priority": 17,
            "cookie": 84114964,
            "command": "add",
            "dl_dst": "00:15:af:d5:38:98",
        }
        flows = {"flow": flow}

        command = "add"
        flow_list = {
            "flow_list": [
                {"match_fields": match_fields, "command": "delete",
                 "flow": flow}
            ]
        }
        self.napp.stored_flows = {dpid: flow_list}
        self.napp._store_changed_flows(command, flows, switch)
        mock_save_flow.assert_called()

        self.napp.stored_flows = {}
        self.napp._store_changed_flows(command, flows, switch)
        mock_save_flow.assert_called()

    @patch('napps.kytos.flow_manager.main.Main._install_flows')

    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    def test_check_switch_consistency_add(self, *args):
        """Test check_switch_consistency method.

        This test checks the case when a flow is missing in switch and have the
        ADD command.
        """
        (mock_flow_factory, mock_install_flows) = args
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)
        switch.flows = []

        flow_1 = MagicMock()
        flow_1.as_dict.return_value = {'flow_1': 'data'}

        flow_list = [{"command": "add",
                      "flow": {'flow_1': 'data'}
                      }]
        serializer = MagicMock()

        mock_flow_factory.return_value = serializer
        self.napp.stored_flows = {dpid: {"flow_list": flow_list}}
        self.napp.check_switch_consistency(switch)
        mock_install_flows.assert_called()

    @patch('napps.kytos.flow_manager.main.Main._install_flows')

    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    def test_check_switch_consistency_delete(self, *args):
        """Test check_switch_consistency method.

        This test checks the case when a flow is missing in switch and have the
        DELETE command.
        """
        (mock_flow_factory, mock_install_flows) = args
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)

        flow_1 = MagicMock()
        flow_1.as_dict.return_value = {'flow_1': 'data'}

        flow_list = [{"command": "delete",
                      "flow": {'flow_1': 'data'}
                      }]
        serializer = MagicMock()
        serializer.from_dict.return_value = flow_1

        switch.flows = [flow_1]

        mock_flow_factory.return_value = serializer
        self.napp.stored_flows = {dpid: {"flow_list": flow_list}}
        self.napp.check_switch_consistency(switch)
        mock_install_flows.assert_called()

    @patch('napps.kytos.flow_manager.main.Main._install_flows')

    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    def test_check_storehouse_consistency(self, *args):
        """Test check_storehouse_consistency method.

        This test checks the case when a flow is missing in storehouse.
        """
        (mock_flow_factory, mock_install_flows) = args
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)

        flow_1 = MagicMock()
        flow_1.as_dict.return_value = {'flow_1': 'data'}

        switch.flows = [flow_1]

        flow_list = [{"command": "add",
                      "flow": {'flow_2': 'data'}
                      }]
        serializer = MagicMock()

        mock_flow_factory.return_value = serializer
        self.napp.stored_flows = {dpid: {"flow_list": flow_list}}
        self.napp.check_storehouse_consistency(switch)
        mock_install_flows.assert_called()

    @patch('napps.kytos.flow_manager.main.Main._install_flows')

    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    @patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
    def test_no_strict_delete(self, *args):
        """Test the non-strict matching method.

        Test non-strict matching to delete a Flow using a cookie.
        """
        (mock_save_flow, _, _) = args
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)
        switch.id = dpid
        stored_flow = {
                        "command": "add",
                        "flow": {
                            "actions": [
                                {
                                    "action_type": "set_vlan",
                                    "vlan_id": 300
                                }
                            ],
                            "cookie": 6191162389751548793,
                            "match": {
                                "dl_vlan": 300,
                                "in_port": 1
                            }
                        }
                    }
        stored_flow2 = {
                        "command": "add",
                        "flow": {
                                "actions": [],
                                "cookie": 4961162389751548787,
                                "match": {
                                    "in_port": 2
                                    }
                                }
                        }
        flow_to_install = {
                            "cookie": 6191162389751548793,
                            "cookie_mask": 18446744073709551615
                        }
        flow_list = {"flow_list": [stored_flow, stored_flow2]}
        command = "delete"
        self.napp.stored_flows = {dpid: flow_list}

        self.napp._store_changed_flows(command, flow_to_install, switch)
        mock_save_flow.assert_called()
        self.assertEqual(len(self.napp.stored_flows), 1)

    @patch('napps.kytos.flow_manager.main.Main._install_flows')

    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    @patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
    def test_no_strict_delete_with_ipv4(self, *args):
        """Test the non-strict matching method.

        Test non-strict matching to delete a Flow using IPv4.
        """
        (mock_save_flow, _, _) = args
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)
        switch.id = dpid
        stored_flow = {
                    "command": "add",
                    "flow": {
                        "priority": 10,
                        "cookie": 84114904,
                        "match": {
                            "ipv4_src": "192.168.1.120",
                            "ipv4_dst": "192.168.0.2",
                        },
                        "actions": []
                        }
                    }
        stored_flow2 = {
                        "command": "add",
                        "flow": {
                                    "actions": [],
                                    "cookie": 4961162389751548787,
                                    "match": {
                                        "in_port": 2
                                    }
                                }
                        }
        flow_to_install = {"match": {"ipv4_src": '192.168.1.1/24'}}
        flow_list = {"flow_list": [stored_flow, stored_flow2]}
        command = "delete"
        self.napp.stored_flows = {dpid: flow_list}

        self.napp._store_changed_flows(command, flow_to_install, switch)
        mock_save_flow.assert_called()
        self.assertEqual(len(self.napp.stored_flows[dpid]['flow_list']), 2)

    @patch('napps.kytos.flow_manager.main.Main._install_flows')

    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
    @patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
    def test_no_strict_delete_with_ipv4_fail(self, *args):
        """Test the non-strict matching method.

        Test non-strict Fail case matching to delete a Flow using IPv4.
        """
        (mock_save_flow, _, _) = args
        dpid = "00:00:00:00:00:00:00:01"
        switch = get_switch_mock(dpid, 0x04)
        switch.id = dpid
        stored_flow = {
                    "command": "add",
                    "flow": {
                        "priority": 10,
                        "cookie": 84114904,
                        "match": {
                            "ipv4_src": "192.168.2.1",
                            "ipv4_dst": "192.168.0.2",
                        },
                        "actions": []
                        }
                    }
        stored_flow2 = {
                        "command": "add",
                        "flow": {
                                    "actions": [],
                                    "cookie": 4961162389751548787,
                                    "match": {
                                        "in_port": 2
                                    }
                                }
                        }
        flow_to_install = {"match": {"ipv4_src": '192.168.1.1/24'}}
        flow_list = {"flow_list": [stored_flow, stored_flow2]}
        command = "delete"
        self.napp.stored_flows = {dpid: flow_list}

        self.napp._store_changed_flows(command, flow_to_install, switch)
        mock_save_flow.assert_called()
        self.assertEqual(len(self.napp.stored_flows[dpid]['flow_list']), 3)


1		"""Test Main methods."""
2		from unittest import TestCase
3		from unittest.mock import MagicMock, patch
4
5		from kytos.lib.helpers import (get_connection_mock, get_controller_mock,
6		get_kytos_event_mock, get_switch_mock,
7		get_test_client)
8
9
10		# pylint: disable=protected-access
11		class TestMain(TestCase):
12		"""Tests for the Main class."""
13
14		API_URL = 'http://localhost:8181/api/kytos/flow_manager'
15
16		def setUp(self):
17		patch('kytos.core.helpers.run_on_thread', lambda x: x).start()
18		# pylint: disable=import-outside-toplevel
19		from napps.kytos.flow_manager.main import Main
20
21		self.addCleanup(patch.stopall)
22
23		controller = get_controller_mock()
24		self.switch_01 = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
25		self.switch_01.is_enabled.return_value = True
26		self.switch_01.flows = []
27
28		self.switch_02 = get_switch_mock("00:00:00:00:00:00:00:02", 0x04)
29		self.switch_02.is_enabled.return_value = False
30		self.switch_02.flows = []
31
32		controller.switches = {"00:00:00:00:00:00:00:01": self.switch_01,
33		"00:00:00:00:00:00:00:02": self.switch_02}
34
35		self.napp = Main(controller)
36
37		def test_rest_list_without_dpid(self):
38		"""Test list rest method withoud dpid."""
39		flow_1 = MagicMock()
40		flow_1.as_dict.return_value = {'flow_1': 'data'}
41		flow_2 = MagicMock()
42		flow_2.as_dict.return_value = {'flow_2': 'data'}
43		self.switch_01.flows.append(flow_1)
44		self.switch_02.flows.append(flow_2)
45
46		api = get_test_client(self.napp.controller, self.napp)
47		url = f'{self.API_URL}/v2/flows'
48
49		response = api.get(url)
50		expected = {'00:00:00:00:00:00:00:01': {'flows': [{'flow_1': 'data'}]},
51		'00:00:00:00:00:00:00:02': {'flows': [{'flow_2': 'data'}]}}
52
53		self.assertEqual(response.json, expected)
54		self.assertEqual(response.status_code, 200)
55
56		def test_rest_list_with_dpid(self):
57		"""Test list rest method with dpid."""
58		flow_1 = MagicMock()
59		flow_1.as_dict.return_value = {'flow_1': 'data'}
60		self.switch_01.flows.append(flow_1)
61
62		api = get_test_client(self.napp.controller, self.napp)
63		url = f'{self.API_URL}/v2/flows/00:00:00:00:00:00:00:01'
64
65		response = api.get(url)
66		expected = {'00:00:00:00:00:00:00:01': {'flows': [{'flow_1': 'data'}]}}
67
68		self.assertEqual(response.json, expected)
69		self.assertEqual(response.status_code, 200)
70
71		@patch('napps.kytos.flow_manager.main.Main._install_flows')
72		def test_rest_add_and_delete_without_dpid(self, mock_install_flows):
73		"""Test add and delete rest method without dpid."""
74		api = get_test_client(self.napp.controller, self.napp)
75
76		for method in ['flows', 'delete']:
77		url = f'{self.API_URL}/v2/{method}'
78
79		response_1 = api.post(url, json={'data': '123'})
80		response_2 = api.post(url)
81
82		self.assertEqual(response_1.status_code, 200)
83		self.assertEqual(response_2.status_code, 404)
84
85		self.assertEqual(mock_install_flows.call_count, 2)
86
87		@patch('napps.kytos.flow_manager.main.Main._install_flows')
88		def test_rest_add_and_delete_with_dpid(self, mock_install_flows):
89		"""Test add and delete rest method with dpid."""
90		api = get_test_client(self.napp.controller, self.napp)
91
92		for method in ['flows', 'delete']:
93		url_1 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:01'
94		url_2 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:02'
95		url_3 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:03'
96
97		response_1 = api.post(url_1)
98		response_2 = api.post(url_1, json={'data': '123'})
99		response_3 = api.post(url_2, json={'data': '123'})
100		response_4 = api.post(url_3, json={'data': '123'})
101
102		self.assertEqual(response_1.status_code, 404)
103		self.assertEqual(response_2.status_code, 200)
104		if method == 'flows':
105		self.assertEqual(response_3.status_code, 404)
106		else:
107		self.assertEqual(response_3.status_code, 200)
108		self.assertEqual(response_4.status_code, 404)
109
110		self.assertEqual(mock_install_flows.call_count, 3)
111
112		def test_get_all_switches_enabled(self):
113		"""Test _get_all_switches_enabled method."""
114		switches = self.napp._get_all_switches_enabled()
115
116		self.assertEqual(switches, [self.switch_01])
117
118		@patch('napps.kytos.flow_manager.main.Main._store_changed_flows')
119		@patch('napps.kytos.flow_manager.main.Main._send_napp_event')
120		@patch('napps.kytos.flow_manager.main.Main._add_flow_mod_sent')
121		@patch('napps.kytos.flow_manager.main.Main._send_flow_mod')
122		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
123		def test_install_flows(self, *args):
124		"""Test _install_flows method."""
125		(mock_flow_factory, mock_send_flow_mod, mock_add_flow_mod_sent,
126		mock_send_napp_event, _) = args
127		serializer = MagicMock()
128		flow = MagicMock()
129		flow_mod = MagicMock()
130
131		flow.as_of_add_flow_mod.return_value = flow_mod
132		serializer.from_dict.return_value = flow
133		mock_flow_factory.return_value = serializer
134
135		flows_dict = {'flows': [MagicMock()]}
136		switches = [self.switch_01]
137		self.napp._install_flows('add', flows_dict, switches)
138
139		mock_send_flow_mod.assert_called_with(flow.switch, flow_mod)
140		mock_add_flow_mod_sent.assert_called_with(flow_mod.header.xid,
141		flow, 'add')
142		mock_send_napp_event.assert_called_with(self.switch_01, flow, 'add')
143
144		def test_add_flow_mod_sent(self):
145		"""Test _add_flow_mod_sent method."""
146		xid = 0
147		flow = MagicMock()
148
149		self.napp._add_flow_mod_sent(xid, flow, 'add')
150
151		self.assertEqual(self.napp._flow_mods_sent[xid], (flow, 'add'))
152
153		@patch('kytos.core.buffers.KytosEventBuffer.put')
154		def test_send_flow_mod(self, mock_buffers_put):
155		"""Test _send_flow_mod method."""
156		switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
157		flow_mod = MagicMock()
158
159		self.napp._send_flow_mod(switch, flow_mod)
160
161		mock_buffers_put.assert_called()
162
163		@patch('kytos.core.buffers.KytosEventBuffer.put')
164		def test_send_napp_event(self, mock_buffers_put):
165		"""Test _send_napp_event method."""
166		switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
167		flow = MagicMock()
168
169		for command in ['add', 'delete', 'error']:
170		self.napp._send_napp_event(switch, flow, command)
171
172		self.assertEqual(mock_buffers_put.call_count, 3)
173
174		@patch('napps.kytos.flow_manager.main.Main._send_napp_event')
175		def test_handle_errors(self, mock_send_napp_event):
176		"""Test handle_errors method."""
177		flow = MagicMock()
178		self.napp._flow_mods_sent[0] = (flow, 'add')
179
180		switch = get_switch_mock("00:00:00:00:00:00:00:01")
181		switch.connection = get_connection_mock(
182		0x04, get_switch_mock("00:00:00:00:00:00:00:02"))
183
184		protocol = MagicMock()
185		protocol.unpack.return_value = 'error_packet'
186
187		switch.connection.protocol = protocol
188
189		message = MagicMock()
190		message.header.xid.value = 0
191		message.error_type = 2
192		message.code = 5
193		event = get_kytos_event_mock(name='..of_core..ofpt_error',
194		content={'message': message,
195		'source': switch.connection})
196		self.napp.handle_errors(event)
197
198		mock_send_napp_event.assert_called_with(flow.switch, flow, 'error',
199		error_command='add',
200		error_code=5, error_type=2)
201
202		@patch("napps.kytos.flow_manager.main.StoreHouse.get_data")
203		def test_load_flows(self, mock_storehouse):
204		"""Test load flows."""
205		self.napp._load_flows()
206		mock_storehouse.assert_called()
207
208		@patch("napps.kytos.flow_manager.main.Main._install_flows")
209		def test_resend_stored_flows(self, mock_install_flows):
210		"""Test resend stored flows."""
211		dpid = "00:00:00:00:00:00:00:01"
212		switch = get_switch_mock(dpid, 0x04)
213		mock_event = MagicMock()
214		flow = {"command": "add", "flow": MagicMock()}
215
216		flows = {"flow_list": [flow]}
217		mock_event.content = {"switch": switch}
218		self.napp.controller.switches = {dpid: switch}
219		self.napp.stored_flows = {dpid: flows}
220		self.napp.resend_stored_flows(mock_event)
221		mock_install_flows.assert_called()
222
223		@patch("napps.kytos.of_core.flow.FlowFactory.get_class")
224		@patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
225		def test_store_changed_flows(self, mock_save_flow, _):
226		"""Test store changed flows."""
227		dpid = "00:00:00:00:00:00:00:01"
228		switch = get_switch_mock(dpid, 0x04)
229		switch.id = dpid
230		flow = {
231		"priority": 17,
232		"cookie": 84114964,
233		"command": "add",
234		"match": {"dl_dst": "00:15:af:d5:38:98"},
235		}
236		match_fields = {
237		"priority": 17,
238		"cookie": 84114964,
239		"command": "add",
240		"dl_dst": "00:15:af:d5:38:98",
241		}
242		flows = {"flow": flow}
243
244		command = "add"
245		flow_list = {
246		"flow_list": [
247		{"match_fields": match_fields, "command": "delete",
248		"flow": flow}
249		]
250		}
251		self.napp.stored_flows = {dpid: flow_list}
252		self.napp._store_changed_flows(command, flows, switch)
253		mock_save_flow.assert_called()
254
255		self.napp.stored_flows = {}
256		self.napp._store_changed_flows(command, flows, switch)
257		mock_save_flow.assert_called()
258
259	View Code Duplication	@patch('napps.kytos.flow_manager.main.Main._install_flows')
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260		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
261		def test_check_switch_consistency_add(self, *args):
262		"""Test check_switch_consistency method.
263
264		This test checks the case when a flow is missing in switch and have the
265		ADD command.
266		"""
267		(mock_flow_factory, mock_install_flows) = args
268		dpid = "00:00:00:00:00:00:00:01"
269		switch = get_switch_mock(dpid, 0x04)
270		switch.flows = []
271
272		flow_1 = MagicMock()
273		flow_1.as_dict.return_value = {'flow_1': 'data'}
274
275		flow_list = [{"command": "add",
276		"flow": {'flow_1': 'data'}
277		}]
278		serializer = MagicMock()
279
280		mock_flow_factory.return_value = serializer
281		self.napp.stored_flows = {dpid: {"flow_list": flow_list}}
282		self.napp.check_switch_consistency(switch)
283		mock_install_flows.assert_called()
284
285	View Code Duplication	@patch('napps.kytos.flow_manager.main.Main._install_flows')
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286		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
287		def test_check_switch_consistency_delete(self, *args):
288		"""Test check_switch_consistency method.
289
290		This test checks the case when a flow is missing in switch and have the
291		DELETE command.
292		"""
293		(mock_flow_factory, mock_install_flows) = args
294		dpid = "00:00:00:00:00:00:00:01"
295		switch = get_switch_mock(dpid, 0x04)
296
297		flow_1 = MagicMock()
298		flow_1.as_dict.return_value = {'flow_1': 'data'}
299
300		flow_list = [{"command": "delete",
301		"flow": {'flow_1': 'data'}
302		}]
303		serializer = MagicMock()
304		serializer.from_dict.return_value = flow_1
305
306		switch.flows = [flow_1]
307
308		mock_flow_factory.return_value = serializer
309		self.napp.stored_flows = {dpid: {"flow_list": flow_list}}
310		self.napp.check_switch_consistency(switch)
311		mock_install_flows.assert_called()
312
313	View Code Duplication	@patch('napps.kytos.flow_manager.main.Main._install_flows')
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314		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
315		def test_check_storehouse_consistency(self, *args):
316		"""Test check_storehouse_consistency method.
317
318		This test checks the case when a flow is missing in storehouse.
319		"""
320		(mock_flow_factory, mock_install_flows) = args
321		dpid = "00:00:00:00:00:00:00:01"
322		switch = get_switch_mock(dpid, 0x04)
323
324		flow_1 = MagicMock()
325		flow_1.as_dict.return_value = {'flow_1': 'data'}
326
327		switch.flows = [flow_1]
328
329		flow_list = [{"command": "add",
330		"flow": {'flow_2': 'data'}
331		}]
332		serializer = MagicMock()
333
334		mock_flow_factory.return_value = serializer
335		self.napp.stored_flows = {dpid: {"flow_list": flow_list}}
336		self.napp.check_storehouse_consistency(switch)
337		mock_install_flows.assert_called()
338
339	View Code Duplication	@patch('napps.kytos.flow_manager.main.Main._install_flows')
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340		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
341		@patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
342		def test_no_strict_delete(self, *args):
343		"""Test the non-strict matching method.
344
345		Test non-strict matching to delete a Flow using a cookie.
346		"""
347		(mock_save_flow, _, _) = args
348		dpid = "00:00:00:00:00:00:00:01"
349		switch = get_switch_mock(dpid, 0x04)
350		switch.id = dpid
351		stored_flow = {
352		"command": "add",
353		"flow": {
354		"actions": [
355		{
356		"action_type": "set_vlan",
357		"vlan_id": 300
358		}
359		],
360		"cookie": 6191162389751548793,
361		"match": {
362		"dl_vlan": 300,
363		"in_port": 1
364		}
365		}
366		}
367		stored_flow2 = {
368		"command": "add",
369		"flow": {
370		"actions": [],
371		"cookie": 4961162389751548787,
372		"match": {
373		"in_port": 2
374		}
375		}
376		}
377		flow_to_install = {
378		"cookie": 6191162389751548793,
379		"cookie_mask": 18446744073709551615
380		}
381		flow_list = {"flow_list": [stored_flow, stored_flow2]}
382		command = "delete"
383		self.napp.stored_flows = {dpid: flow_list}
384
385		self.napp._store_changed_flows(command, flow_to_install, switch)
386		mock_save_flow.assert_called()
387		self.assertEqual(len(self.napp.stored_flows), 1)
388
389	View Code Duplication	@patch('napps.kytos.flow_manager.main.Main._install_flows')
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390		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
391		@patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
392		def test_no_strict_delete_with_ipv4(self, *args):
393		"""Test the non-strict matching method.
394
395		Test non-strict matching to delete a Flow using IPv4.
396		"""
397		(mock_save_flow, _, _) = args
398		dpid = "00:00:00:00:00:00:00:01"
399		switch = get_switch_mock(dpid, 0x04)
400		switch.id = dpid
401		stored_flow = {
402		"command": "add",
403		"flow": {
404		"priority": 10,
405		"cookie": 84114904,
406		"match": {
407		"ipv4_src": "192.168.1.120",
408		"ipv4_dst": "192.168.0.2",
409		},
410		"actions": []
411		}
412		}
413		stored_flow2 = {
414		"command": "add",
415		"flow": {
416		"actions": [],
417		"cookie": 4961162389751548787,
418		"match": {
419		"in_port": 2
420		}
421		}
422		}
423		flow_to_install = {"match": {"ipv4_src": '192.168.1.1/24'}}
424		flow_list = {"flow_list": [stored_flow, stored_flow2]}
425		command = "delete"
426		self.napp.stored_flows = {dpid: flow_list}
427
428		self.napp._store_changed_flows(command, flow_to_install, switch)
429		mock_save_flow.assert_called()
430		self.assertEqual(len(self.napp.stored_flows[dpid]['flow_list']), 2)
431
432	View Code Duplication	@patch('napps.kytos.flow_manager.main.Main._install_flows')
		0 ignored issues – show Duplication introduced 2021-04-08 02:57 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
433		@patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
434		@patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
435		def test_no_strict_delete_with_ipv4_fail(self, *args):
436		"""Test the non-strict matching method.
437
438		Test non-strict Fail case matching to delete a Flow using IPv4.
439		"""
440		(mock_save_flow, _, _) = args
441		dpid = "00:00:00:00:00:00:00:01"
442		switch = get_switch_mock(dpid, 0x04)
443		switch.id = dpid
444		stored_flow = {
445		"command": "add",
446		"flow": {
447		"priority": 10,
448		"cookie": 84114904,
449		"match": {
450		"ipv4_src": "192.168.2.1",
451		"ipv4_dst": "192.168.0.2",
452		},
453		"actions": []
454		}
455		}
456		stored_flow2 = {
457		"command": "add",
458		"flow": {
459		"actions": [],
460		"cookie": 4961162389751548787,
461		"match": {
462		"in_port": 2
463		}
464		}
465		}
466		flow_to_install = {"match": {"ipv4_src": '192.168.1.1/24'}}
467		flow_list = {"flow_list": [stored_flow, stored_flow2]}
468		command = "delete"
469		self.napp.stored_flows = {dpid: flow_list}
470
471		self.napp._store_changed_flows(command, flow_to_install, switch)
472		mock_save_flow.assert_called()
473		self.assertEqual(len(self.napp.stored_flows[dpid]['flow_list']), 3)
474

kytos / flow_manager

Pull Request — master (#117)

TestMain.test_no_strict_delete() A

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