Test Failed
Pull Request — master (#90)
by Carlos
04:58
created

TestMain.test_resend_stored_flows()   A

Complexity

Conditions 1

Size

Total Lines 14
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 12
nop 2
dl 0
loc 14
rs 9.8
c 0
b 0
f 0
1
"""Test Main methods."""
2
from unittest import TestCase
3
from unittest.mock import MagicMock, patch
4
5
from kytos.lib.helpers import (get_controller_mock, get_kytos_event_mock,
6
                               get_switch_mock, get_test_client)
7
8
9
# pylint: disable=protected-access
10
class TestMain(TestCase):
11
    """Tests for the Main class."""
12
13
    API_URL = 'http://localhost:8181/api/kytos/flow_manager'
14
15
    def setUp(self):
16
        patch('kytos.core.helpers.run_on_thread', lambda x: x).start()
17
        # pylint: disable=bad-option-value
18
        from napps.kytos.flow_manager.main import Main
19
20
        self.addCleanup(patch.stopall)
21
22
        controller = get_controller_mock()
23
        self.switch_01 = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
24
        self.switch_01.is_enabled.return_value = True
25
        self.switch_01.flows = []
26
27
        self.switch_02 = get_switch_mock("00:00:00:00:00:00:00:02", 0x04)
28
        self.switch_02.is_enabled.return_value = False
29
        self.switch_02.flows = []
30
31
        controller.switches = {"00:00:00:00:00:00:00:01": self.switch_01,
32
                               "00:00:00:00:00:00:00:02": self.switch_02}
33
34
        self.napp = Main(controller)
35
36
    def test_rest_list_without_dpid(self):
37
        """Test list rest method withoud dpid."""
38
        flow_1 = MagicMock()
39
        flow_1.as_dict.return_value = {'flow_1': 'data'}
40
        flow_2 = MagicMock()
41
        flow_2.as_dict.return_value = {'flow_2': 'data'}
42
        self.switch_01.flows.append(flow_1)
43
        self.switch_02.flows.append(flow_2)
44
45
        api = get_test_client(self.napp.controller, self.napp)
46
        url = f'{self.API_URL}/v2/flows'
47
48
        response = api.get(url)
49
        expected = {'00:00:00:00:00:00:00:01': {'flows': [{'flow_1': 'data'}]},
50
                    '00:00:00:00:00:00:00:02': {'flows': [{'flow_2': 'data'}]}}
51
52
        self.assertEqual(response.json, expected)
53
        self.assertEqual(response.status_code, 200)
54
55
    def test_rest_list_with_dpid(self):
56
        """Test list rest method with dpid."""
57
        flow_1 = MagicMock()
58
        flow_1.as_dict.return_value = {'flow_1': 'data'}
59
        self.switch_01.flows.append(flow_1)
60
61
        api = get_test_client(self.napp.controller, self.napp)
62
        url = f'{self.API_URL}/v2/flows/00:00:00:00:00:00:00:01'
63
64
        response = api.get(url)
65
        expected = {'00:00:00:00:00:00:00:01': {'flows': [{'flow_1': 'data'}]}}
66
67
        self.assertEqual(response.json, expected)
68
        self.assertEqual(response.status_code, 200)
69
70
    @patch('napps.kytos.flow_manager.main.Main._install_flows')
71
    def test_rest_add_and_delete_without_dpid(self, mock_install_flows):
72
        """Test add and delete rest method without dpid."""
73
        api = get_test_client(self.napp.controller, self.napp)
74
75
        for method in ['flows', 'delete']:
76
            url = f'{self.API_URL}/v2/{method}'
77
78
            response_1 = api.post(url, json={'data': '123'})
79
            response_2 = api.post(url)
80
81
            self.assertEqual(response_1.status_code, 200)
82
            self.assertEqual(response_2.status_code, 404)
83
84
        self.assertEqual(mock_install_flows.call_count, 2)
85
86
    @patch('napps.kytos.flow_manager.main.Main._install_flows')
87
    def test_rest_add_and_delete_with_dpid(self, mock_install_flows):
88
        """Test add and delete rest method with dpid."""
89
        api = get_test_client(self.napp.controller, self.napp)
90
91
        for method in ['flows', 'delete']:
92
            url_1 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:01'
93
            url_2 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:02'
94
            url_3 = f'{self.API_URL}/v2/{method}/00:00:00:00:00:00:00:03'
95
96
            response_1 = api.post(url_1)
97
            response_2 = api.post(url_1, json={'data': '123'})
98
            response_3 = api.post(url_2, json={'data': '123'})
99
            response_4 = api.post(url_3, json={'data': '123'})
100
101
            self.assertEqual(response_1.status_code, 404)
102
            self.assertEqual(response_2.status_code, 200)
103
            self.assertEqual(response_3.status_code, 404)
104
            self.assertEqual(response_4.status_code, 404)
105
106
        self.assertEqual(mock_install_flows.call_count, 2)
107
108
    def test_get_all_switches_enabled(self):
109
        """Test _get_all_switches_enabled method."""
110
        switches = self.napp._get_all_switches_enabled()
111
112
        self.assertEqual(switches, [self.switch_01])
113
114
    @patch('napps.kytos.flow_manager.main.Main._store_changed_flows')
115
    @patch('napps.kytos.flow_manager.main.Main._send_napp_event')
116
    @patch('napps.kytos.flow_manager.main.Main._add_flow_mod_sent')
117
    @patch('napps.kytos.flow_manager.main.Main._send_flow_mod')
118
    @patch('napps.kytos.flow_manager.main.FlowFactory.get_class')
119
    def test_install_flows(self, *args):
120
        """Test _install_flows method."""
121
        (mock_flow_factory, mock_send_flow_mod, mock_add_flow_mod_sent,
122
         mock_send_napp_event, _) = args
123
        serializer = MagicMock()
124
        flow = MagicMock()
125
        flow_mod = MagicMock()
126
127
        flow.as_of_add_flow_mod.return_value = flow_mod
128
        serializer.from_dict.return_value = flow
129
        mock_flow_factory.return_value = serializer
130
131
        flows_dict = {'flows': [MagicMock()]}
132
        switches = [self.switch_01]
133
        self.napp._install_flows('add', flows_dict, switches)
134
135
        mock_send_flow_mod.assert_called_with(flow.switch, flow_mod)
136
        mock_add_flow_mod_sent.assert_called_with(flow_mod.header.xid, flow)
137
        mock_send_napp_event.assert_called_with(self.switch_01, flow, 'add')
138
139
    def test_add_flow_mod_sent(self):
140
        """Test _add_flow_mod_sent method."""
141
        xid = 0
142
        flow = MagicMock()
143
144
        self.napp._add_flow_mod_sent(xid, flow)
145
146
        self.assertEqual(self.napp._flow_mods_sent[xid], flow)
147
148
    @patch('kytos.core.buffers.KytosEventBuffer.put')
149
    def test_send_flow_mod(self, mock_buffers_put):
150
        """Test _send_flow_mod method."""
151
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
152
        flow_mod = MagicMock()
153
154
        self.napp._send_flow_mod(switch, flow_mod)
155
156
        mock_buffers_put.assert_called()
157
158
    @patch('kytos.core.buffers.KytosEventBuffer.put')
159
    def test_send_napp_event(self, mock_buffers_put):
160
        """Test _send_napp_event method."""
161
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
162
        flow = MagicMock()
163
164
        for command in ['add', 'delete', 'error']:
165
            self.napp._send_napp_event(switch, flow, command)
166
167
        self.assertEqual(mock_buffers_put.call_count, 3)
168
169
    @patch('napps.kytos.flow_manager.main.Main._send_napp_event')
170
    def test_handle_errors(self, mock_send_napp_event):
171
        """Test handle_errors method."""
172
        flow = MagicMock()
173
        self.napp._flow_mods_sent[0] = flow
174
175
        message = MagicMock()
176
        message.header.xid.value = 0
177
        message.error_type = 2
178
        message.code = 5
179
        event = get_kytos_event_mock(name='.*.of_core.*.ofpt_error',
180
                                     content={'message': message})
181
        self.napp.handle_errors(event)
182
183
        mock_send_napp_event.assert_called_with(flow.switch, flow, 'error',
184
                                                error_code=5, error_type=2)
185
186
    @patch("napps.kytos.flow_manager.main.StoreHouse.get_data")
187
    def test_load_flows(self, mock_storehouse):
188
        """Test load flows."""
189
        self.napp._load_flows()
190
        mock_storehouse.assert_called()
191
192
    @patch("napps.kytos.flow_manager.main.Main._install_flows")
193
    def test_resend_stored_flows(self, mock_install_flows):
194
        """Test resend stored flows."""
195
        dpid = "00:00:00:00:00:00:00:01"
196
        switch = get_switch_mock(dpid, 0x04)
197
        mock_event = MagicMock()
198
        flow = {"command": "add", "data": MagicMock()}
199
200
        flows = {"flow_list": [flow]}
201
        mock_event.content = {"switch": dpid}
202
        self.napp.controller.switches = {dpid: switch}
203
        self.napp.stored_flows = {dpid: flows}
204
        self.napp.resend_stored_flows(mock_event)
205
        mock_install_flows.assert_called()
206
207
    @patch("napps.kytos.flow_manager.main.StoreHouse.save_flow")
208
    def test_store_changed_flows(self, mock_save_flow):
209
        """Test store changed flows."""
210
        dpid = "00:00:00:00:00:00:00:01"
211
        switch = get_switch_mock(dpid, 0x04)
212
        switch.id = dpid
213
        flow = {
214
            "priority": 17,
215
            "cookie": 84114964,
216
            "command": "add",
217
            "match": {"dl_dst": "00:15:af:d5:38:98"},
218
        }
219
        match_fields = {
220
            "priority": 17,
221
            "cookie": 84114964,
222
            "command": "add",
223
            "dl_dst": "00:15:af:d5:38:98",
224
        }
225
        flows = {"flows": [flow]}
226
227
        command = "add"
228
        flow_list = {
229
            "flow_list": [
230
                {"match_fields": match_fields, "command": "add", "data": flows}
231
            ]
232
        }
233
        self.napp.stored_flows = {dpid: flow_list}
234
        self.napp._store_changed_flows(command, flows, [switch])
235
        mock_save_flow.assert_called()
236
237
        self.napp.stored_flows = {}
238
        self.napp._store_changed_flows(command, flows, [switch])
239
        mock_save_flow.assert_called()
240