|
1
|
|
|
"""Module to test the KytosGraph in graph.py""" |
|
2
|
|
|
|
|
3
|
1 |
|
from kytos.core.interface import Interface |
|
4
|
1 |
|
from kytos.core.link import Link |
|
5
|
1 |
|
from kytos.core.switch import Switch |
|
6
|
|
|
|
|
7
|
1 |
|
from napps.kytos.pathfinder.graph import KytosGraph |
|
8
|
|
|
|
|
9
|
|
|
|
|
10
|
1 |
|
class TestPaths: |
|
11
|
|
|
"""Tests for the graph class.""" |
|
12
|
|
|
|
|
13
|
1 |
|
def initializer(self, val=0): |
|
14
|
|
|
"""Test setup for a specific topology""" |
|
15
|
|
|
|
|
16
|
1 |
|
method_name = ( |
|
17
|
|
|
"generate_topology" if not val else "generate_topology_" + str(val) |
|
18
|
|
|
) |
|
19
|
1 |
|
method = getattr(self, method_name) |
|
20
|
1 |
|
switches, links = method() |
|
21
|
|
|
|
|
22
|
1 |
|
self.graph = KytosGraph() |
|
23
|
1 |
|
self.graph.clear() |
|
24
|
1 |
|
self.graph.update_nodes(switches) |
|
25
|
1 |
|
self.graph.update_links(links) |
|
26
|
|
|
|
|
27
|
1 |
|
@staticmethod |
|
28
|
1 |
|
def generate_topology(): |
|
29
|
|
|
"""Generates a predetermined topology""" |
|
30
|
|
|
switches = {} |
|
31
|
|
|
links = {} |
|
32
|
|
|
return switches, links |
|
33
|
|
|
|
|
34
|
1 |
|
@staticmethod |
|
35
|
1 |
|
def create_switch(name, switches): |
|
36
|
|
|
"""Add a new switch to the list of switches""" |
|
37
|
1 |
|
switch = Switch(name) |
|
38
|
1 |
|
switch.is_active = lambda: True |
|
39
|
1 |
|
switch.is_enabled = lambda: True |
|
40
|
1 |
|
switches[name] = switch |
|
41
|
|
|
|
|
42
|
1 |
|
@staticmethod |
|
43
|
1 |
|
def add_interfaces(count, switch, interfaces): |
|
44
|
|
|
"""Add a new interface to the list of interfaces""" |
|
45
|
1 |
|
for i in range(1, count + 1): |
|
46
|
1 |
|
str1 = f"{switch.dpid}:{i}" |
|
47
|
1 |
|
interface = Interface(str1, i, switch) |
|
48
|
1 |
|
interface.enable() |
|
49
|
1 |
|
interface.activate() |
|
50
|
1 |
|
interfaces[str1] = interface |
|
51
|
1 |
|
switch.update_interface(interface) |
|
52
|
|
|
|
|
53
|
1 |
|
@staticmethod |
|
54
|
1 |
|
def create_link(interface_a, interface_b, interfaces, links): |
|
55
|
|
|
"""Add a new link between two interfaces into the list of links""" |
|
56
|
1 |
|
compounded = f"{interface_a}|{interface_b}" |
|
57
|
1 |
|
final_name = compounded |
|
58
|
1 |
|
link = Link( |
|
59
|
|
|
interfaces[interface_a], interfaces[interface_b] |
|
60
|
|
|
) |
|
61
|
1 |
|
link.enable() |
|
62
|
1 |
|
link.activate() |
|
63
|
1 |
|
links[final_name] = link |
|
64
|
|
|
|
|
65
|
1 |
|
@staticmethod |
|
66
|
1 |
|
def add_metadata_to_link(interface_a, interface_b, metrics, links): |
|
67
|
|
|
"""Add metadata to an existing link in the list of links""" |
|
68
|
1 |
|
compounded = f"{interface_a}|{interface_b}" |
|
69
|
|
|
links[compounded].extend_metadata(metrics) |
|
70
|
|
|
|
kytos-ng /
pathfinder
