Files
Netbox-Utilities/netbox_utilities/tests/test_rack_width.py
T

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3.9 KiB
Python

from importlib import import_module
from types import SimpleNamespace
from unittest.mock import MagicMock, patch
from django.core.exceptions import ValidationError
from django.test import SimpleTestCase
from netbox_utilities.rack_width import (
_cleanup_unracked_placement,
available_units_for_device,
horizontal_interval,
intervals_cover_full_width,
intervals_overlap,
normalize_width_position,
placement_rectangles_overlap,
stage_width_position,
)
class RackWidthTest(SimpleTestCase):
def test_device_edit_view_uses_explicit_rack_width_form(self):
from dcim.views import DeviceEditView
self.assertEqual(DeviceEditView.form.__name__, "RackWidthDeviceForm")
self.assertIn("utilities_rack_width", DeviceEditView.form.base_fields)
self.assertIn("utilities_horizontal_position", DeviceEditView.form.base_fields)
def test_normalizes_full_width_to_first_position(self):
self.assertEqual(normalize_width_position(1, 4), (1, 1))
def test_rejects_position_outside_selected_width(self):
with self.assertRaises(ValidationError):
normalize_width_position(2, 3)
def test_adjacent_half_widths_do_not_overlap(self):
self.assertFalse(intervals_overlap(horizontal_interval(2, 1), horizontal_interval(2, 2)))
def test_half_width_overlaps_full_width(self):
self.assertTrue(intervals_overlap(horizontal_interval(1, 1), horizontal_interval(2, 2)))
def test_two_halves_cover_full_width(self):
self.assertTrue(intervals_cover_full_width([horizontal_interval(2, 1), horizontal_interval(2, 2)]))
def test_single_half_does_not_cover_full_width(self):
self.assertFalse(intervals_cover_full_width([horizontal_interval(2, 1)]))
def test_same_unit_adjacent_devices_do_not_collide(self):
self.assertFalse(placement_rectangles_overlap(10, 1, 2, 1, 10, 1, 2, 2))
def test_multi_unit_device_collides_only_on_same_horizontal_area(self):
self.assertTrue(placement_rectangles_overlap(10, 2, 2, 1, 11, 1, 2, 1))
self.assertFalse(placement_rectangles_overlap(10, 2, 2, 1, 11, 1, 2, 2))
def test_stages_width_without_requiring_an_already_assigned_rack(self):
device = SimpleNamespace()
stage_width_position(device, 2, 2)
self.assertEqual(device._netbox_utilities_rack_width, 2)
self.assertEqual(device._netbox_utilities_horizontal_position, 2)
@patch("netbox_utilities.rack_width.find_placement_conflict", return_value=None)
def test_current_position_is_available_without_conflict(self, _find_conflict):
rack = SimpleNamespace(units=[1, 1.5, 2, 2.5])
device = SimpleNamespace(
position=1,
device_type=SimpleNamespace(u_height=1),
)
self.assertEqual(available_units_for_device(rack, device), [1])
@patch("netbox_utilities.rack_width.DeviceRackPlacement.objects")
def test_unracked_device_removes_stale_width(self, placement_objects):
device = SimpleNamespace(pk=12, rack_id=None, position=None)
_cleanup_unracked_placement(None, device, using="default")
placement_objects.using.assert_called_once_with("default")
placement_objects.using.return_value.filter.assert_called_once_with(device_id=12)
placement_objects.using.return_value.filter.return_value.delete.assert_called_once_with()
class RackWidthMigrationTest(SimpleTestCase):
def test_postgresql_migration_drops_core_uniqueness(self):
migration = import_module("netbox_utilities.migrations.0007_devicerackplacement")
schema_editor = SimpleNamespace(
connection=SimpleNamespace(vendor="postgresql"),
execute=MagicMock(),
)
migration.drop_core_rack_position_constraint(None, schema_editor)
statement = schema_editor.execute.call_args.args[0]
self.assertIn("DROP CONSTRAINT IF EXISTS", statement)
self.assertIn("dcim_device_unique_rack_position_face", statement)