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1
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""" |
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2
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Test tracing.trace_manager |
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3
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""" |
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4
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5
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import time |
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6
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1 |
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from unittest.mock import patch, MagicMock |
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7
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1 |
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import pytest |
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8
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9
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1 |
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from napps.amlight.sdntrace import settings |
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10
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1 |
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from napps.amlight.sdntrace.tracing.trace_manager import TraceManager |
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11
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1 |
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from napps.amlight.sdntrace.tracing.trace_entries import TraceEntries |
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12
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1 |
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from napps.amlight.sdntrace.shared.switches import Switches |
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13
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14
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1 |
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from kytos.lib.helpers import ( |
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15
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get_interface_mock, |
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16
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get_link_mock, |
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17
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get_switch_mock, |
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get_controller_mock, |
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19
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) |
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# pylint: disable=protected-access |
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23
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1 |
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class TestTraceManager: |
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"""Unit tests for tracing.trace_manager.TraceManager""" |
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25
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26
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1 |
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@pytest.fixture(autouse=True) |
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1 |
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def commomn_patches(self, request): |
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"""This function handles setup and cleanup for patches""" |
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29
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# This fixture sets up the common patches, |
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30
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# and a finalizer is added using addfinalizer to stop |
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31
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# the common patches after each test. This ensures that the cleanup |
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32
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# is performed after each test, and additional patch decorators |
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33
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# can be used within individual test functions. |
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34
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35
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1 |
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patcher = patch("kytos.core.helpers.run_on_thread", lambda x: x) |
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36
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1 |
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mock_patch = patcher.start() |
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1 |
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_ = request.function.__name__ |
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40
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1 |
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def cleanup(): |
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41
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1 |
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patcher.stop() |
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42
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43
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1 |
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request.addfinalizer(cleanup) |
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44
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1 |
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return mock_patch |
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45
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46
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1 |
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def setup_method(self): |
|
47
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"""Set up before each test method""" |
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48
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1 |
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self.create_basic_switches(get_controller_mock()) |
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49
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1 |
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self.trace_manager = TraceManager(controller=get_controller_mock()) |
|
50
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51
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1 |
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def teardown_method(self) -> None: |
|
52
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"""Clean up after each test method""" |
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53
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1 |
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self.trace_manager.stop_traces() |
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55
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1 |
View Code Duplication |
@classmethod |
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56
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1 |
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def create_basic_switches(cls, controller): |
|
57
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"""Create basic mock switches for Kytos controller.""" |
|
58
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1 |
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dpid_a = "00:00:00:00:00:00:00:01" |
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59
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1 |
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dpid_b = "00:00:00:00:00:00:00:02" |
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60
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61
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1 |
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mock_switch_a = get_switch_mock(dpid_a, 0x04) |
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62
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1 |
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mock_switch_b = get_switch_mock(dpid_b, 0x04) |
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63
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1 |
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mock_interface_a = get_interface_mock("s1-eth1", 1, mock_switch_a) |
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64
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1 |
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mock_interface_b = get_interface_mock("s2-eth1", 1, mock_switch_b) |
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65
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66
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1 |
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mock_link = get_link_mock(mock_interface_a, mock_interface_b) |
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67
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1 |
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mock_link.id = "cf0f4071be4" |
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68
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1 |
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mock_switch_a.id = dpid_a |
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69
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1 |
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mock_switch_a.as_dict.return_value = {"metadata": {}} |
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70
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1 |
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mock_switch_b.id = dpid_b |
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71
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1 |
|
mock_switch_b.as_dict.return_value = {"metadata": {}} |
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72
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73
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1 |
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controller.switches = {dpid_a: mock_switch_a, dpid_b: mock_switch_b} |
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74
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75
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1 |
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Switches(MagicMock())._switches = controller.switches |
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76
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77
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1 |
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def test_is_entry_invalid(self): |
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78
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"""Test if the entry request does not have a valid switch.""" |
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79
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1 |
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eth = {"dl_vlan": 100} |
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80
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1 |
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dpid = {"dpid": "a", "in_port": 1} |
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81
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1 |
|
switch = {"switch": dpid, "eth": eth} |
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82
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1 |
|
entries = {"trace": switch} |
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83
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1 |
|
entry = self.trace_manager.is_entry_valid(entries) |
|
84
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|
85
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1 |
|
assert entry == "Unknown Switch" |
|
86
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|
87
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1 |
|
def test_is_entry_empty_dpid(self): |
|
88
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"""Test if the entry request does not have a valid switch.""" |
|
89
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1 |
|
eth = {"dl_vlan": 100} |
|
90
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1 |
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dpid = {"dpid": "", "in_port": 1} |
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91
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1 |
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switch = {"switch": dpid, "eth": eth} |
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92
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1 |
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entries = {"trace": switch} |
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93
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1 |
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entry = self.trace_manager.is_entry_valid(entries) |
|
94
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95
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1 |
|
assert entry == "Error: dpid allows [a-f], int, and :. Lengths: 1-16 and 23" |
|
96
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|
97
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1 |
|
def test_is_entry_missing_dpid(self): |
|
98
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|
"""Test if the entry request with missing dpid.""" |
|
99
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1 |
|
eth = {"dl_vlan": 100} |
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100
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1 |
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dpid = {} |
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101
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1 |
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switch = {"switch": dpid, "eth": eth} |
|
102
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1 |
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entries = {"trace": switch} |
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103
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1 |
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entry = self.trace_manager.is_entry_valid(entries) |
|
104
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|
105
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1 |
|
assert entry == "Error: dpid not provided" |
|
106
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|
107
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1 |
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
108
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1 |
|
def test_is_entry_invalid_not_colored(self, mock_colors): |
|
109
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|
"""Test if the entry request does not have a valid color.""" |
|
110
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1 |
|
mock_colors.return_value = {} |
|
111
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1 |
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eth = {"dl_vlan": 100} |
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112
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1 |
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dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
113
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1 |
|
switch = {"switch": dpid, "eth": eth} |
|
114
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1 |
|
entries = {"trace": switch} |
|
115
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1 |
|
entry = self.trace_manager.is_entry_valid(entries) |
|
116
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1 |
|
assert entry == "Switch not Colored" |
|
117
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|
118
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1 |
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
119
|
1 |
|
def test_is_entry_valid(self, mock_colors): |
|
120
|
|
|
"""Test if the entry request is valid.""" |
|
121
|
1 |
|
mock_colors.return_value = { |
|
122
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|
"color_field": "dl_src", |
|
123
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|
"color_value": "ee:ee:ee:ee:ee:01", |
|
124
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|
} |
|
125
|
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|
|
126
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1 |
|
eth = {"dl_vlan": 100} |
|
127
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1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
128
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1 |
|
switch = {"switch": dpid, "eth": eth} |
|
129
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1 |
|
entries = {"trace": switch} |
|
130
|
1 |
|
entry = self.trace_manager.is_entry_valid(entries) |
|
131
|
1 |
|
assert entry.dpid == "00:00:00:00:00:00:00:01" |
|
132
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|
133
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1 |
View Code Duplication |
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
|
|
|
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|
134
|
1 |
|
def test_new_trace(self, mock_colors): |
|
135
|
|
|
"""Test trace manager new trace creation.""" |
|
136
|
1 |
|
mock_colors.return_value = { |
|
137
|
|
|
"color_field": "dl_src", |
|
138
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|
"color_value": "ee:ee:ee:ee:ee:01", |
|
139
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|
|
} |
|
140
|
|
|
|
|
141
|
1 |
|
eth = {"dl_vlan": 100} |
|
142
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1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
143
|
1 |
|
switch = {"switch": dpid, "eth": eth} |
|
144
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1 |
|
entries = {"trace": switch} |
|
145
|
|
|
|
|
146
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
147
|
1 |
|
assert isinstance(trace_entries, TraceEntries) |
|
148
|
|
|
|
|
149
|
1 |
|
trace_id = self.trace_manager.new_trace(trace_entries) |
|
150
|
1 |
|
assert trace_id == 30001 |
|
151
|
|
|
|
|
152
|
|
|
# new_trace does not check duplicated request. |
|
153
|
1 |
|
trace_id = self.trace_manager.new_trace(trace_entries) |
|
154
|
1 |
|
assert trace_id == 30002 |
|
155
|
|
|
|
|
156
|
1 |
|
def test_get_id(self): |
|
157
|
|
|
"""Test trace manager ID control.""" |
|
158
|
1 |
|
trace_id = self.trace_manager.get_id() |
|
159
|
1 |
|
assert trace_id == 30001 |
|
160
|
|
|
|
|
161
|
1 |
|
trace_id = self.trace_manager.get_id() |
|
162
|
1 |
|
assert trace_id == 30002 |
|
163
|
|
|
|
|
164
|
1 |
|
trace_id = self.trace_manager.get_id() |
|
165
|
1 |
|
assert trace_id == 30003 |
|
166
|
|
|
|
|
167
|
1 |
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
168
|
1 |
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe") |
|
169
|
1 |
|
def test_trace_pending(self, mock_send_probe, mock_colors): |
|
170
|
|
|
"""Test trace manager tracing request.""" |
|
171
|
1 |
|
mock_colors.return_value = { |
|
172
|
|
|
"color_field": "dl_src", |
|
173
|
|
|
"color_value": "ee:ee:ee:ee:ee:01", |
|
174
|
|
|
} |
|
175
|
1 |
|
mock_send_probe.return_value = { |
|
176
|
|
|
"dpid": "00:00:00:00:00:00:00:01", |
|
177
|
|
|
"port": 1, |
|
178
|
|
|
}, "" |
|
179
|
|
|
|
|
180
|
1 |
|
eth = {"dl_vlan": 100} |
|
181
|
1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
182
|
1 |
|
switch = {"switch": dpid, "eth": eth} |
|
183
|
1 |
|
entries = {"trace": switch} |
|
184
|
|
|
|
|
185
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
186
|
1 |
|
assert isinstance(trace_entries, TraceEntries) |
|
187
|
|
|
|
|
188
|
1 |
|
trace_id = self.trace_manager.new_trace(trace_entries) |
|
189
|
1 |
|
assert trace_id == 30001 |
|
190
|
|
|
|
|
191
|
1 |
|
pending = self.trace_manager.number_pending_requests() |
|
192
|
1 |
|
assert pending == 1 |
|
193
|
|
|
|
|
194
|
1 |
|
result = self.trace_manager.get_result(trace_id) |
|
195
|
1 |
|
assert result == {"msg": "trace pending"} |
|
196
|
|
|
|
|
197
|
1 |
|
def test_request_invalid_trace_id(self): |
|
198
|
|
|
"""Test trace manager tracing request.""" |
|
199
|
1 |
|
result = self.trace_manager.get_result("1234") |
|
200
|
1 |
|
assert result == {"msg": "unknown trace id"} |
|
201
|
|
|
|
|
202
|
1 |
|
def test_trace_in_process(self): |
|
203
|
|
|
"""Test trace manager in process.""" |
|
204
|
1 |
|
self.trace_manager._spawn_trace = MagicMock() |
|
205
|
1 |
|
trace_id = 30001 |
|
206
|
1 |
|
self.trace_manager._running_traces[trace_id] = {} |
|
207
|
1 |
|
result = self.trace_manager.get_result(trace_id) |
|
208
|
1 |
|
assert result == {"msg": "trace in process"} |
|
209
|
|
|
|
|
210
|
1 |
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
211
|
1 |
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe") |
|
212
|
1 |
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.tracepath_loop") |
|
213
|
1 |
|
def test_get_result(self, mock_trace_loop, mock_send_probe, mock_colors): |
|
214
|
|
|
"""Test tracemanager tracing request and resultS.""" |
|
215
|
1 |
|
mock_colors.return_value = { |
|
216
|
|
|
"color_field": "dl_src", |
|
217
|
|
|
"color_value": "ee:ee:ee:ee:ee:01", |
|
218
|
|
|
} |
|
219
|
1 |
|
mock_send_probe.return_value = { |
|
220
|
|
|
"dpid": "00:00:00:00:00:00:00:01", |
|
221
|
|
|
"port": 1, |
|
222
|
|
|
}, "" |
|
223
|
1 |
|
mock_trace_loop.return_value = True |
|
224
|
|
|
|
|
225
|
1 |
|
eth = {"dl_vlan": 100} |
|
226
|
1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
227
|
1 |
|
switch = {"switch": dpid, "eth": eth} |
|
228
|
1 |
|
entries = {"trace": switch} |
|
229
|
|
|
|
|
230
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
231
|
1 |
|
trace_id = self.trace_manager.new_trace(trace_entries) |
|
232
|
1 |
|
pending = self.trace_manager.number_pending_requests() |
|
233
|
|
|
|
|
234
|
|
|
# Waiting thread to start processing the request |
|
235
|
1 |
|
count = 0 |
|
236
|
1 |
|
while pending == 1: |
|
237
|
1 |
|
result = self.trace_manager.get_result(trace_id) |
|
238
|
1 |
|
pending = self.trace_manager.number_pending_requests() |
|
239
|
1 |
|
time.sleep(0.1) |
|
240
|
1 |
|
count += 1 |
|
241
|
1 |
|
if count > 30: |
|
242
|
|
|
pytest.fail("Timeout waiting to start processing trace") |
|
243
|
|
|
break |
|
244
|
|
|
|
|
245
|
1 |
|
count = 0 |
|
246
|
1 |
|
result = self.trace_manager.get_result(trace_id) |
|
247
|
|
|
# Waiting thread to process the request |
|
248
|
1 |
|
while "msg" in result and result["msg"] == "trace in process": |
|
249
|
|
|
result = self.trace_manager.get_result(trace_id) |
|
250
|
|
|
time.sleep(0.1) |
|
251
|
|
|
count += 1 |
|
252
|
|
|
if count > 30: |
|
253
|
|
|
pytest.fail("Timeout waiting to process trace") |
|
254
|
|
|
break |
|
255
|
|
|
|
|
256
|
1 |
|
assert result["request_id"] == 30001 |
|
257
|
1 |
|
assert result["result"][0]["type"] == "starting" |
|
258
|
1 |
|
assert result["result"][0]["dpid"] == "00:00:00:00:00:00:00:01" |
|
259
|
1 |
|
assert result["result"][0]["port"] == 1 |
|
260
|
1 |
|
assert result["result"][0]["time"] is not None |
|
261
|
1 |
|
assert result["start_time"] is not None |
|
262
|
1 |
|
assert result["total_time"] is not None |
|
263
|
1 |
|
assert result["request"]["trace"]["switch"]["dpid"] == "00:00:00:00:00:00:00:01" |
|
264
|
1 |
|
assert result["request"]["trace"]["switch"]["in_port"] == 1 |
|
265
|
|
|
|
|
266
|
1 |
View Code Duplication |
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
|
|
|
|
|
267
|
1 |
|
def test_duplicated_request(self, mock_colors): |
|
268
|
|
|
"""Test trace manager new trace creation.""" |
|
269
|
1 |
|
mock_colors.return_value = { |
|
270
|
|
|
"color_field": "dl_src", |
|
271
|
|
|
"color_value": "ee:ee:ee:ee:ee:01", |
|
272
|
|
|
} |
|
273
|
|
|
|
|
274
|
1 |
|
eth = {"dl_vlan": 100} |
|
275
|
1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
276
|
1 |
|
switch = {"switch": dpid, "eth": eth} |
|
277
|
1 |
|
entries = {"trace": switch} |
|
278
|
|
|
|
|
279
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
280
|
1 |
|
assert isinstance(trace_entries, TraceEntries) |
|
281
|
|
|
|
|
282
|
1 |
|
trace_id = self.trace_manager.new_trace(trace_entries) |
|
283
|
1 |
|
assert trace_id == 30001 |
|
284
|
|
|
|
|
285
|
1 |
|
duplicated = self.trace_manager.avoid_duplicated_request(trace_entries) |
|
286
|
1 |
|
assert duplicated is True |
|
287
|
|
|
|
|
288
|
1 |
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
289
|
1 |
|
def test_avoid_duplicated_request(self, mock_colors): |
|
290
|
|
|
"""Test trace manager new trace creation.""" |
|
291
|
1 |
|
mock_colors.return_value = { |
|
292
|
|
|
"color_field": "dl_src", |
|
293
|
|
|
"color_value": "ee:ee:ee:ee:ee:01", |
|
294
|
|
|
} |
|
295
|
|
|
|
|
296
|
1 |
|
eth = {"dl_vlan": 100} |
|
297
|
1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
298
|
1 |
|
switch = {"switch": dpid, "eth": eth} |
|
299
|
1 |
|
entries = {"trace": switch} |
|
300
|
|
|
|
|
301
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
302
|
1 |
|
assert isinstance(trace_entries, TraceEntries) |
|
303
|
|
|
|
|
304
|
1 |
|
trace_id = self.trace_manager.new_trace(trace_entries) |
|
305
|
1 |
|
assert trace_id == 30001 |
|
306
|
|
|
|
|
307
|
1 |
|
entries["trace"]["switch"]["dpid"] = "00:00:00:00:00:00:00:02" |
|
308
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
309
|
1 |
|
assert isinstance(trace_entries, TraceEntries) |
|
310
|
|
|
|
|
311
|
1 |
|
duplicated = self.trace_manager.avoid_duplicated_request(trace_entries) |
|
312
|
1 |
|
assert duplicated is False |
|
313
|
|
|
|
|
314
|
1 |
|
def test_limit_traces_reached(self): |
|
315
|
|
|
"""Test trace manager limit for thread processing.""" |
|
316
|
|
|
# filling the running traces array |
|
317
|
1 |
|
for i in range(settings.PARALLEL_TRACES - 1): |
|
318
|
1 |
|
self.trace_manager._running_traces[i] = i |
|
319
|
1 |
|
is_limit = self.trace_manager.limit_traces_reached() |
|
320
|
1 |
|
assert not is_limit |
|
321
|
|
|
|
|
322
|
1 |
|
self.trace_manager._running_traces[settings.PARALLEL_TRACES] = 9999 |
|
323
|
1 |
|
is_limit = self.trace_manager.limit_traces_reached() |
|
324
|
1 |
|
assert is_limit |
|
325
|
|
|
|
|
326
|
1 |
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.tracepath") |
|
327
|
1 |
|
def test_spawn_trace(self, mock_tracepath): |
|
328
|
|
|
"""Test spawn trace.""" |
|
329
|
|
|
# mock_tracepath |
|
330
|
1 |
|
trace_id = 0 |
|
331
|
1 |
|
trace_entries = MagicMock() |
|
332
|
|
|
|
|
333
|
1 |
|
self.trace_manager._running_traces[0] = 9999 |
|
334
|
|
|
|
|
335
|
1 |
|
self.trace_manager._spawn_trace(trace_id, trace_entries) |
|
336
|
|
|
|
|
337
|
1 |
|
mock_tracepath.assert_called_once() |
|
338
|
1 |
|
assert len(self.trace_manager._running_traces) == 0 |
|
339
|
|
|
|
|
340
|
|
|
|
|
341
|
1 |
|
class TestTraceManagerTheadTest: |
|
342
|
|
|
"""Now, load all entries at once""" |
|
343
|
|
|
|
|
344
|
1 |
|
@pytest.fixture(autouse=True) |
|
345
|
1 |
|
def commomn_patches(self, request): |
|
346
|
|
|
"""This function handles setup and cleanup for patches""" |
|
347
|
1 |
|
patcher = patch("kytos.core.helpers.run_on_thread", lambda x: x) |
|
348
|
1 |
|
mock_patch = patcher.start() |
|
349
|
|
|
|
|
350
|
1 |
|
_ = request.function.__name__ |
|
351
|
|
|
|
|
352
|
1 |
|
def cleanup(): |
|
353
|
1 |
|
patcher.stop() |
|
354
|
|
|
|
|
355
|
1 |
|
request.addfinalizer(cleanup) |
|
356
|
1 |
|
return mock_patch |
|
357
|
|
|
|
|
358
|
1 |
|
def setup_method(self): |
|
359
|
|
|
"""Set up before each test method""" |
|
360
|
1 |
|
self.trace_manager = TraceManager(controller=get_controller_mock()) |
|
361
|
1 |
|
self.trace_manager.stop_traces() |
|
362
|
|
|
|
|
363
|
1 |
|
self.count_running_traces = 0 |
|
364
|
|
|
|
|
365
|
1 |
|
def run_trace_once(self): |
|
366
|
|
|
"""function to replace the <flag> in "while <flag>()" code |
|
367
|
|
|
to run the loop just once.""" |
|
368
|
1 |
|
if self.count_running_traces == 0: |
|
369
|
1 |
|
self.count_running_traces = self.count_running_traces + 1 |
|
370
|
1 |
|
return True |
|
371
|
1 |
|
return False |
|
372
|
|
|
|
|
373
|
1 |
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color") |
|
374
|
1 |
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe") |
|
375
|
1 |
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.tracepath_loop") |
|
376
|
1 |
|
def test_run_traces(self, mock_trace_loop, mock_send_probe, mock_colors): |
|
377
|
|
|
"""Test tracemanager tracing request and results.""" |
|
378
|
1 |
|
mock_colors.return_value = { |
|
379
|
|
|
"color_field": "dl_src", |
|
380
|
|
|
"color_value": "ee:ee:ee:ee:ee:01", |
|
381
|
|
|
} |
|
382
|
1 |
|
mock_send_probe.return_value = { |
|
383
|
|
|
"dpid": "00:00:00:00:00:00:00:01", |
|
384
|
|
|
"port": 1, |
|
385
|
|
|
}, "" |
|
386
|
1 |
|
mock_trace_loop.return_value = True |
|
387
|
|
|
|
|
388
|
1 |
|
eth = {"dl_vlan": 100} |
|
389
|
1 |
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1} |
|
390
|
1 |
|
switch = {"switch": dpid, "eth": eth} |
|
391
|
1 |
|
entries = {"trace": switch} |
|
392
|
|
|
|
|
393
|
1 |
|
trace_entries = self.trace_manager.is_entry_valid(entries) |
|
394
|
|
|
|
|
395
|
1 |
|
self.trace_manager._request_queue[1] = trace_entries |
|
396
|
|
|
|
|
397
|
1 |
|
with patch.object( |
|
398
|
|
|
TraceManager, "is_tracing_running", side_effect=self.run_trace_once |
|
399
|
|
|
): |
|
400
|
1 |
|
self.trace_manager._run_traces(0.5) |
|
401
|
|
|
|
|
402
|
1 |
|
assert len(self.trace_manager._request_queue) == 0 |
|
403
|
|
|
assert self.trace_manager.number_pending_requests() == 0 |
|
404
|
|
|
|
kytos-ng /
sdntrace
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