Passed
Pull Request — master (#59)
by Italo Valcy
03:08
created

build.tests.unit.test_main.TestMain.test_trace()   B

Complexity

Conditions 1

Size

Total Lines 49
Code Lines 37

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 37
nop 3
dl 0
loc 49
rs 8.9919
c 0
b 0
f 0
1
"""Module to test the main napp file."""
2
import json
3
from unittest import TestCase
4
from unittest.mock import patch, MagicMock
5
6
from kytos.core.interface import Interface
7
from kytos.lib.helpers import (
8
    get_interface_mock,
9
    get_switch_mock,
10
    get_controller_mock,
11
    get_link_mock,
12
    get_test_client,
13
)
14
15
16
# pylint: disable=too-many-public-methods, too-many-lines
17
class TestMain(TestCase):
18
    """Test the Main class."""
19
20
    def setUp(self):
21
        """Execute steps before each tests.
22
23
        Set the server_name_url_url from amlight/sdntrace_cp
24
        """
25
        self.server_name_url = "http://localhost:8181/api/amlight/sdntrace_cp"
26
27
        # The decorator run_on_thread is patched, so methods that listen
28
        # for events do not run on threads while tested.
29
        # Decorators have to be patched before the methods that are
30
        # decorated with them are imported.
31
        patch("kytos.core.helpers.run_on_thread", lambda x: x).start()
32
        # pylint: disable=import-outside-toplevel
33
        from napps.amlight.sdntrace_cp.main import Main
34
35
        self.napp = Main(get_controller_mock())
36
37
    @staticmethod
38
    def get_napp_urls(napp):
39
        """Return the amlight/sdntrace_cp urls.
40
41
        The urls will be like:
42
43
        urls = [
44
            (options, methods, url)
45
        ]
46
47
        """
48
        controller = napp.controller
49
        controller.api_server.register_napp_endpoints(napp)
50
51
        urls = []
52
        for rule in controller.api_server.app.url_map.iter_rules():
53
            options = {}
54
            for arg in rule.arguments:
55
                options[arg] = f"[{0}]".format(arg)
56
57
            if f"{napp.username}/{napp.name}" in str(rule):
58
                urls.append((options, rule.methods, f"{str(rule)}"))
59
60
        return urls
61
62
    def test_verify_api_urls(self):
63
        """Verify all APIs registered."""
64
65
        expected_urls = [
66
            (
67
                {},
68
                {"OPTIONS", "HEAD", "PUT"},
69
                "/api/amlight/sdntrace_cp/trace/ ",
70
            ),
71
            (
72
                {},
73
                {"OPTIONS", "HEAD", "PUT"},
74
                "/api/amlight/sdntrace_cp/traces/ ",
75
            ),
76
        ]
77
        urls = self.get_napp_urls(self.napp)
78
        self.assertEqual(len(expected_urls), len(urls))
79
80
    @patch("napps.amlight.sdntrace_cp.main.Main.match_and_apply")
81
    def test_trace_step(self, mock_flow_match):
82
        """Test trace_step success result."""
83
        mock_flow_match.return_value = ["1"], ["entries"], 1
84
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
85
86
        mock_interface = Interface("interface A", 1, MagicMock())
87
        mock_interface.address = "00:00:00:00:00:00:00:01"
88
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        iface1 = get_interface_mock(
90
            "", 1, get_switch_mock("00:00:00:00:00:00:00:01")
91
        )
92
        iface2 = get_interface_mock(
93
            "", 2, get_switch_mock("00:00:00:00:00:00:00:02")
94
        )
95
        mock_interface.link = get_link_mock(iface1, iface2)
96
        mock_interface.link.endpoint_a.port_number = 1
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        mock_interface.link.endpoint_a.port_number = 2
98
99
        # Patch for utils.find_endpoint
100
        switch.get_interface_by_port_no.return_value = mock_interface
101
102
        entries = MagicMock()
103
104
        stored_flows = {
105
            "flow": {
106
                "table_id": 0,
107
                "cookie": 84114964,
108
                "hard_timeout": 0,
109
                "idle_timeout": 0,
110
                "priority": 10,
111
            },
112
            "flow_id": 1,
113
            "state": "installed",
114
            "switch": "00:00:00:00:00:00:00:01",
115
        }
116
117
        stored_flows_arg = {
118
            "00:00:00:00:00:00:00:01": [stored_flows]
119
        }
120
121
        result = self.napp.trace_step(switch, entries, stored_flows_arg)
122
123
        mock_flow_match.assert_called_once()
124
        self.assertEqual(
125
            result,
126
            {
127
                "dpid": "00:00:00:00:00:00:00:01",
128
                "in_port": 2,
129
                "out_port": 1,
130
                "entries": ["entries"],
131
            },
132
        )
133
134
    @patch("napps.amlight.sdntrace_cp.main.Main.match_and_apply")
135
    def test_trace_step__no_endpoint(self, mock_flow_match):
136
        """Test trace_step without endpoints available for switch/port."""
137
        mock_flow_match.return_value = ["1"], ["entries"], 1
138
        switch = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
139
140
        mock_interface = Interface("interface A", 1, MagicMock())
141
        mock_interface.address = "00:00:00:00:00:00:00:01"
142
        mock_interface.link = None
143
144
        # Patch for utils.find_endpoint
145
        switch.get_interface_by_port_no.return_value = mock_interface
146
147
        entries = MagicMock()
148
149
        stored_flows = {
150
            "flow": {
151
                "table_id": 0,
152
                "cookie": 84114964,
153
                "hard_timeout": 0,
154
                "idle_timeout": 0,
155
                "priority": 10,
156
            },
157
            "flow_id": 1,
158
            "state": "installed",
159
            "switch": "00:00:00:00:00:00:00:01",
160
        }
161
162
        stored_flows_arg = {
163
            "00:00:00:00:00:00:00:01": [stored_flows]
164
        }
165
166
        result = self.napp.trace_step(switch, entries, stored_flows_arg)
167
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        mock_flow_match.assert_called_once()
169
        self.assertEqual(result, {"entries": ["entries"], "out_port": 1})
170
171
    def test_trace_step__no_flow(self):
172
        """Test trace_step without flows for the switch."""
173
        switch = get_switch_mock("00:00:00:00:00:00:00:01")
174
        entries = MagicMock()
175
176
        stored_flows = {
177
            "flow": {
178
                "table_id": 0,
179
                "cookie": 84114964,
180
                "hard_timeout": 0,
181
                "idle_timeout": 0,
182
                "priority": 10,
183
            },
184
            "flow_id": 1,
185
            "state": "installed",
186
            "switch": "00:00:00:00:00:00:00:01",
187
        }
188
189
        stored_flows_arg = {
190
            "00:00:00:00:00:00:00:01": [stored_flows]
191
        }
192
193
        result = self.napp.trace_step(switch, entries, stored_flows_arg)
194
        assert result is None
195
196
    @patch("napps.amlight.sdntrace_cp.main.Main.trace_step")
197
    def test_tracepath(self, mock_trace_step):
198
        """Test tracepath with success result."""
199
        eth = {"dl_vlan": 100}
200
        dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
201
        switch = {"switch": dpid, "eth": eth}
202
        entries = {"trace": switch}
203
        mock_trace_step.return_value = {
204
            "dpid": "00:00:00:00:00:00:00:02",
205
            "in_port": 2,
206
            "out_port": 3,
207
            "entries": entries,
208
        }
209
        stored_flows = {
210
            "flow": {
211
                "table_id": 0,
212
                "cookie": 84114964,
213
                "hard_timeout": 0,
214
                "idle_timeout": 0,
215
                "priority": 10,
216
            },
217
            "flow_id": 1,
218
            "state": "installed",
219
            "switch": "00:00:00:00:00:00:00:01",
220
        }
221
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        stored_flows_arg = {
223
            "00:00:00:00:00:00:00:01": [stored_flows]
224
        }
225
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        switch_01 = get_switch_mock("00:00:00:00:00:00:00:01", 0x04)
227
        switch_01.is_enabled.return_value = True
228
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        self.napp.controller.switches = {
230
            "00:00:00:00:00:00:00:01": switch_01
231
        }
232
233
        result = self.napp.tracepath(
234
                                        entries["trace"]["switch"],
235
                                        stored_flows_arg
236
                                    )
237
238
        assert result[0]["in"]["dpid"] == "00:00:00:00:00:00:00:01"
239
        assert result[0]["in"]["port"] == 1
240
        assert result[0]["in"]["type"] == "starting"
241
242
        assert result[1]["in"]["dpid"] == "00:00:00:00:00:00:00:02"
243
        assert result[1]["in"]["port"] == 2
244
        assert result[1]["in"]["type"] == "trace"
245
246
    def test_has_loop(self):
247
        """Test has_loop to detect a tracepath with loop."""
248
        trace_result = [
249
            {
250
                "in": {
251
                    "dpid": "00:00:00:00:00:00:00:01",
252
                    "port": 2,
253
                },
254
                "out": {
255
                    "port": 1,
256
                },
257
            },
258
            {
259
                "in": {
260
                    "dpid": "00:00:00:00:00:00:00:03",
261
                    "port": 2,
262
                },
263
                "out": {
264
                    "port": 1,
265
                },
266
            },
267
            {
268
                "in": {
269
                    "dpid": "00:00:00:00:00:00:00:03",
270
                    "port": 3,
271
                },
272
                "out": {
273
                    "port": 1,
274
                },
275
            },
276
            {
277
                "in": {
278
                    "dpid": "00:00:00:00:00:00:00:03",
279
                    "port": 3,
280
                },
281
                "out": {
282
                    "port": 1,
283
                },
284
            },
285
        ]
286
        trace_step = {
287
            "dpid": "00:00:00:00:00:00:00:03",
288
            "port": 3,
289
        }
290
291
        result = self.napp.has_loop(trace_step, trace_result)
292
293
        self.assertTrue(result)
294
295
    def test_has_loop__fail(self):
296
        """Test has_loop to detect a tracepath with loop."""
297
        trace_result = [
298
            {
299
                "in": {
300
                    "dpid": "00:00:00:00:00:00:00:01",
301
                    "port": 2,
302
                },
303
                "out": {
304
                    "port": 1,
305
                },
306
            },
307
            {
308
                "in": {
309
                    "dpid": "00:00:00:00:00:00:00:02",
310
                    "port": 2,
311
                },
312
                "out": {
313
                    "port": 1,
314
                },
315
            },
316
        ]
317
        trace_step = {
318
            "dpid": "00:00:00:00:00:00:00:03",
319
            "port": 2,
320
        }
321
322
        result = self.napp.has_loop(trace_step, trace_result)
323
324
        self.assertFalse(result)
325
326
    @patch("napps.amlight.sdntrace_cp.main.settings")
327
    def test_update_circuits(self, mock_settings):
328
        """Test update_circuits event listener with success."""
329
        mock_settings.FIND_CIRCUITS_IN_FLOWS = True
330
331
        self.napp.automate = MagicMock()
332
        self.napp.automate.find_circuits = MagicMock()
333
334
        self.napp.update_circuits()
335
336
        self.napp.automate.find_circuits.assert_called_once()
337
338
    @patch("napps.amlight.sdntrace_cp.main.settings")
339
    def test_update_circuits__no_settings(self, mock_settings):
340
        """Test update_circuits event listener without
341
        settings option enabled."""
342
        mock_settings.FIND_CIRCUITS_IN_FLOWS = False
343
344
        self.napp.automate = MagicMock()
345
        self.napp.automate.find_circuits = MagicMock()
346
347
        self.napp.update_circuits()
348
349
        self.napp.automate.find_circuits.assert_not_called()
350
351
    @patch("napps.amlight.sdntrace_cp.utils.get_stored_flows")
352
    @patch("napps.amlight.sdntrace_cp.utils.requests")
353
    def test_trace(self, mock_request_get, mock_stored_flows):
354
        """Test trace rest call."""
355
        api = get_test_client(get_controller_mock(), self.napp)
356
        url = f"{self.server_name_url}/trace/"
357
358
        payload = {
359
            "trace": {
360
                "switch": {
361
                    "dpid": "00:00:00:00:00:00:00:01",
362
                    "in_port": 1
363
                    },
364
                "eth": {"dl_vlan": 100},
365
            }
366
        }
367
        stored_flows = {
368
                "flow": {
369
                    "table_id": 0,
370
                    "cookie": 84114964,
371
                    "hard_timeout": 0,
372
                    "idle_timeout": 0,
373
                    "priority": 10,
374
                },
375
                "flow_id": 1,
376
                "state": "installed",
377
                "switch": "00:00:00:00:00:00:00:01",
378
        }
379
        mock_stored_flows.return_value = {
380
            "00:00:00:00:00:00:00:01": [stored_flows]
381
        }
382
        mock_json = MagicMock()
383
        mock_json.json.return_value = {
384
            "00:00:00:00:00:00:00:01": [stored_flows]
385
        }
386
        mock_request_get.get.return_value = mock_json
387
388
        response = api.put(
389
            url, data=json.dumps(payload), content_type="application/json"
390
        )
391
        current_data = json.loads(response.data)
392
        result = current_data["result"]
393
394
        assert len(result) == 1
395
        assert result[0]["dpid"] == "00:00:00:00:00:00:00:01"
396
        assert result[0]["port"] == 1
397
        assert result[0]["type"] == "starting"
398
        assert result[0]["vlan"] == 100
399
        assert result[0]["out"] is None
400
401
    @patch("napps.amlight.sdntrace_cp.utils.get_stored_flows")
402
    @patch("napps.amlight.sdntrace_cp.utils.requests")
403
    def test_get_traces(self, mock_request_get, mock_stored_flows):
404
        """Test traces rest call."""
405
        api = get_test_client(get_controller_mock(), self.napp)
406
        url = f"{self.server_name_url}/traces/"
407
408
        payload = [{
409
            "trace": {
410
                "switch": {
411
                    "dpid": "00:00:00:00:00:00:00:01",
412
                    "in_port": 1
413
                    },
414
                "eth": {"dl_vlan": 100},
415
            }
416
        }]
417
418
        stored_flow = {
419
                "id": 1,
420
                "table_id": 0,
421
                "cookie": 84114964,
422
                "hard_timeout": 0,
423
                "idle_timeout": 0,
424
                "priority": 10,
425
        }
426
427
        mock_stored_flows.return_value = {
428
            "00:00:00:00:00:00:00:01": [stored_flow]
429
        }
430
        mock_json = MagicMock()
431
        mock_json.json.return_value = {
432
            "00:00:00:00:00:00:00:01": [stored_flow]
433
        }
434
        mock_request_get.get.return_value = mock_json
435
        response = api.put(
436
            url, data=json.dumps(payload), content_type="application/json"
437
        )
438
        current_data = json.loads(response.data)
439
        result1 = current_data["00:00:00:00:00:00:00:01"]
440
441
        assert len(result1) == 1
442
        assert len(result1[0]) == 1
443
        assert result1[0][0]["dpid"] == "00:00:00:00:00:00:00:01"
444
        assert result1[0][0]["port"] == 1
445
        assert result1[0][0]["type"] == "starting"
446
        assert result1[0][0]["vlan"] == 100
447
        assert result1[0][0]["out"] is None
448
449 View Code Duplication
    @patch("napps.amlight.sdntrace_cp.utils.get_stored_flows")
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450
    @patch("napps.amlight.sdntrace_cp.utils.requests")
451
    def test_traces(self, mock_request_get, mock_stored_flows):
452
        """Test traces rest call for two traces with different switches."""
453
        api = get_test_client(get_controller_mock(), self.napp)
454
        url = f"{self.server_name_url}/traces/"
455
456
        payload = [
457
            {
458
                "trace": {
459
                    "switch": {
460
                        "dpid": "00:00:00:00:00:00:00:01",
461
                        "in_port": 1
462
                        },
463
                    "eth": {"dl_vlan": 100},
464
                }
465
            },
466
            {
467
                "trace": {
468
                    "switch": {
469
                        "dpid": "00:00:00:00:00:00:00:02",
470
                        "in_port": 1},
471
                    "eth": {"dl_vlan": 100},
472
                }
473
            }
474
        ]
475
476
        stored_flow = {
477
                "id": 1,
478
                "table_id": 0,
479
                "cookie": 84114964,
480
                "hard_timeout": 0,
481
                "idle_timeout": 0,
482
                "priority": 10,
483
        }
484
485
        mock_stored_flows.return_value = {
486
            "00:00:00:00:00:00:00:01": [stored_flow]
487
        }
488
        mock_json = MagicMock()
489
        mock_json.json.return_value = {
490
            "00:00:00:00:00:00:00:01": [stored_flow]
491
        }
492
        mock_request_get.get.return_value = mock_json
493
494
        response = api.put(
495
            url, data=json.dumps(payload), content_type="application/json"
496
        )
497
        current_data = json.loads(response.data)
498
        result1 = current_data["00:00:00:00:00:00:00:01"]
499
        result2 = current_data["00:00:00:00:00:00:00:02"]
500
501
        assert result1[0][0]["dpid"] == "00:00:00:00:00:00:00:01"
502
        assert result1[0][0]["port"] == 1
503
        assert result1[0][0]["type"] == "starting"
504
        assert result1[0][0]["vlan"] == 100
505
506
        assert result2[0][0]["dpid"] == "00:00:00:00:00:00:00:02"
507
        assert result2[0][0]["port"] == 1
508
        assert result2[0][0]["type"] == "starting"
509
        assert result2[0][0]["vlan"] == 100
510
511 View Code Duplication
    @patch("napps.amlight.sdntrace_cp.utils.get_stored_flows")
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512
    @patch("napps.amlight.sdntrace_cp.utils.requests")
513
    def test_traces_same_switch(self, mock_request_get, mock_stored_flows):
514
        """Test traces rest call for two traces with samw switches."""
515
        api = get_test_client(get_controller_mock(), self.napp)
516
        url = f"{self.server_name_url}/traces/"
517
518
        payload = [
519
            {
520
                "trace": {
521
                    "switch": {
522
                        "dpid": "00:00:00:00:00:00:00:01",
523
                        "in_port": 1
524
                    },
525
                    "eth": {"dl_vlan": 100},
526
                }
527
            },
528
            {
529
                "trace": {
530
                    "switch": {
531
                        "dpid": "00:00:00:00:00:00:00:01",
532
                        "in_port": 2
533
                    },
534
                    "eth": {"dl_vlan": 100},
535
                }
536
            }
537
        ]
538
539
        stored_flow = {
540
                "id": 1,
541
                "table_id": 0,
542
                "cookie": 84114964,
543
                "hard_timeout": 0,
544
                "idle_timeout": 0,
545
                "priority": 10,
546
        }
547
548
        mock_stored_flows.return_value = {
549
            "00:00:00:00:00:00:00:01": [stored_flow]
550
        }
551
        mock_json = MagicMock()
552
        mock_json.json.return_value = {
553
            "00:00:00:00:00:00:00:01": [stored_flow]
554
        }
555
        mock_request_get.get.return_value = mock_json
556
557
        response = api.put(
558
            url, data=json.dumps(payload), content_type="application/json"
559
        )
560
        current_data = json.loads(response.data)
561
        result = current_data["00:00:00:00:00:00:00:01"]
562
563
        assert len(current_data) == 1
564
565
        assert result[0][0]["dpid"] == "00:00:00:00:00:00:00:01"
566
        assert result[0][0]["port"] == 1
567
        assert result[0][0]["type"] == "starting"
568
        assert result[0][0]["vlan"] == 100
569
570
        assert result[1][0]["dpid"] == "00:00:00:00:00:00:00:01"
571
        assert result[1][0]["port"] == 2
572
        assert result[1][0]["type"] == "starting"
573
        assert result[1][0]["vlan"] == 100
574
575
    @patch("napps.amlight.sdntrace_cp.utils.get_stored_flows")
576
    @patch("napps.amlight.sdntrace_cp.utils.requests")
577
    def test_traces_twice(self, mock_request_get, mock_stored_flows):
578
        """Test traces rest call for two equal traces."""
579
        api = get_test_client(get_controller_mock(), self.napp)
580
        url = f"{self.server_name_url}/traces/"
581
582
        payload = [
583
            {
584
                "trace": {
585
                    "switch": {
586
                        "dpid": "00:00:00:00:00:00:00:01",
587
                        "in_port": 1
588
                        },
589
                    "eth": {"dl_vlan": 100},
590
                }
591
            },
592
            {
593
                "trace": {
594
                    "switch": {
595
                        "dpid": "00:00:00:00:00:00:00:01",
596
                        "in_port": 1
597
                        },
598
                    "eth": {"dl_vlan": 100},
599
                }
600
            }
601
        ]
602
        stored_flow = {
603
                "id": 1,
604
                "table_id": 0,
605
                "cookie": 84114964,
606
                "hard_timeout": 0,
607
                "idle_timeout": 0,
608
                "priority": 10,
609
        }
610
611
        mock_stored_flows.return_value = {
612
            "00:00:00:00:00:00:00:01": [stored_flow]
613
        }
614
        mock_json = MagicMock()
615
        mock_json.json.return_value = {
616
            "00:00:00:00:00:00:00:01": [stored_flow]
617
        }
618
        mock_request_get.get.return_value = mock_json
619
620
        response = api.put(
621
            url, data=json.dumps(payload), content_type="application/json"
622
        )
623
        current_data = json.loads(response.data)
624
        result = current_data["00:00:00:00:00:00:00:01"]
625
626
        assert len(current_data) == 1
627
        assert len(result) == 1
628
629
        assert result[0][0]["dpid"] == "00:00:00:00:00:00:00:01"
630
        assert result[0][0]["port"] == 1
631
        assert result[0][0]["type"] == "starting"
632
        assert result[0][0]["vlan"] == 100
633