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Add unit test for infinite loop detection

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This commit is contained in:
Brian Tiemann 2024-09-02 17:37:19 -04:00
parent 3aaf5bb342
commit b027ff8594
1 changed files with 39 additions and 0 deletions
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39
netbox/dcim/tests/test_cablepaths.py
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@ -1,4 +1,5 @@
from django.test import TestCase
from django.contrib.contenttypes.models import ContentType
from circuits.models import *
from dcim.choices import LinkStatusChoices
@ -2300,3 +2301,41 @@ class CablePathTestCase(TestCase):
is_active=True
)
self.assertEqual(CablePath.objects.count(), 0)
def test_detect_infinite_loop(self):
"""
Tests the ability to detect a non-resolving path and break out with a logged warning.
No assertion; test will fail by falling into a non-terminating loop in CablePath.from_origin()
[IF1] --C1-- [FP1][Test Device][Rear Splice]
[FP2] --C2-- [ Rear Splice
"""
manufacturer = Manufacturer.objects.create(name='Infinite Loop Co', slug='infinite-loop-co')
role = DeviceRole.objects.create(name='Infinite Loop Device Role', slug='infinite-loop-device-role')
device_type = DeviceType.objects.create(manufacturer=manufacturer, model='Infinite Loop Device Type', slug='infinite-loop-device-type')
device = Device.objects.create(site=self.site, device_type=device_type, role=role, name='Infinite Loop Device')
interface = Interface.objects.create(device=device, name='Interface 1')
patch_panel_device_type = DeviceType.objects.create(
manufacturer=manufacturer,
front_port_template_count=48,
rear_port_template_count=48,
)
patch_panel = Device.objects.create(site=self.site, device_type=patch_panel_device_type, role=role)
rear_splice = RearPort.objects.create(device=patch_panel, positions=48, name='Rear Splice')
front_port_1 = FrontPort.objects.create(device=patch_panel, rear_port=rear_splice, rear_port_position=1, name='Front Port 1')
front_port_2 = FrontPort.objects.create(device=patch_panel, rear_port=rear_splice, rear_port_position=2, name='Front Port 2')
ct_interface = ContentType.objects.get(app_label='dcim', model='interface')
ct_frontport = ContentType.objects.get(app_label='dcim', model='frontport')
ct_rearport = ContentType.objects.get(app_label='dcim', model='rearport')
cable_1 = Cable.objects.create()
termination_1a = CableTermination.objects.create(cable=cable_1, cable_end='A', termination_type=ct_interface, termination_id=interface.id)
termination_1b = CableTermination.objects.create(cable=cable_1, cable_end='B', termination_type=ct_frontport, termination_id=front_port_1.id)
cable_2 = Cable.objects.create()
termination_2a = CableTermination.objects.create(cable=cable_2, cable_end='A', termination_type=ct_frontport, termination_id=front_port_2.id)
termination_2b = CableTermination.objects.create(cable=cable_2, cable_end='B', termination_type=ct_rearport, termination_id=rear_splice.id)
cable_1._terminations_modified = True
cable_1.save()