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"""Module to test the KytosGraph in graph.py""" |
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from unittest import TestCase |
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from kytos.core.interface import Interface |
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from kytos.core.link import Link |
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from kytos.core.switch import Switch |
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from napps.kytos.pathfinder.graph import KytosGraph |
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class TestPaths(TestCase): |
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"""Tests for the graph class.""" |
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def initializer(self, val=0): |
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"""Test setup for a specific topology""" |
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method_name = ( |
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"generate_topology" if not val else "generate_topology_" + str(val) |
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) |
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method = getattr(self, method_name) |
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method() |
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switches, links = method() |
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self.graph = KytosGraph() |
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self.graph.clear() |
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self.graph.update_nodes(switches) |
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self.graph.update_links(links) |
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@staticmethod |
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def generate_topology(): |
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"""Generates a predetermined topology""" |
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switches = {} |
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links = {} |
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return switches, links |
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@staticmethod |
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def create_switch(name, switches): |
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"""Add a new switch to the list of switches""" |
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switch = Switch(name) |
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switch.is_active = lambda: True |
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switches[name] = switch |
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@staticmethod |
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def add_interfaces(count, switch, interfaces): |
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"""Add a new interface to the list of interfaces""" |
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for i in range(1, count + 1): |
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str1 = f"{switch.dpid}:{i}" |
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interface = Interface(str1, i, switch) |
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interface.enable() |
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interface.activate() |
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interfaces[str1] = interface |
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switch.update_interface(interface) |
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@staticmethod |
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def create_link(interface_a, interface_b, interfaces, links): |
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"""Add a new link between two interfaces into the list of links""" |
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compounded = f"{interface_a}|{interface_b}" |
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final_name = compounded |
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link = Link( |
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interfaces[interface_a], interfaces[interface_b] |
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) |
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link.enable() |
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link.activate() |
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links[final_name] = link |
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@staticmethod |
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def add_metadata_to_link(interface_a, interface_b, metrics, links): |
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"""Add metadata to an existing link in the list of links""" |
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compounded = f"{interface_a}|{interface_b}" |
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links[compounded].extend_metadata(metrics) |
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kytos /
pathfinder
