Add initial cable path tests for profiles

netbox/dcim/cable_profiles.py

@@ -32,7 +32,7 @@ class BaseCableProfile:
                     'Maximum B side connections for profile {profile}: {max}'
                 ).format(
                     profile=cable.get_profile_display(),
-                    max=self.a_max_connections,
+                    max=self.b_max_connections,
                 )
             })
         if self.symmetrical and len(cable.a_terminations) != len(cable.b_terminations):

netbox/dcim/tests/test_cablepaths.py

@@ -1,100 +1,21 @@
-from django.test import TestCase
-
 from circuits.models import *
 from dcim.choices import LinkStatusChoices
 from dcim.models import *
 from dcim.svg import CableTraceSVG
-from dcim.utils import object_to_path_node
+from dcim.tests.utils import CablePathTestCase
 from utilities.exceptions import AbortRequest
 
 
-class CablePathTestCase(TestCase):
+class LegacyCablePathTests(CablePathTestCase):
     """
-    Test NetBox's ability to trace and retrace CablePaths in response to data model changes. Tests are numbered
+    Test NetBox's ability to trace and retrace CablePaths in response to data model changes, without cable profiles.
-    as follows:
 
+    Tests are numbered as follows:
         1XX: Test direct connections between different endpoint types
         2XX: Test different cable topologies
         3XX: Test responses to changes in existing objects
         4XX: Test to exclude specific cable topologies
     """
-    @classmethod
-    def setUpTestData(cls):
-
-        # Create a single device that will hold all components
-        cls.site = Site.objects.create(name='Site', slug='site')
-
-        manufacturer = Manufacturer.objects.create(name='Generic', slug='generic')
-        device_type = DeviceType.objects.create(manufacturer=manufacturer, model='Test Device')
-        role = DeviceRole.objects.create(name='Device Role', slug='device-role')
-        cls.device = Device.objects.create(site=cls.site, device_type=device_type, role=role, name='Test Device')
-
-        cls.powerpanel = PowerPanel.objects.create(site=cls.site, name='Power Panel')
-
-        provider = Provider.objects.create(name='Provider', slug='provider')
-        circuit_type = CircuitType.objects.create(name='Circuit Type', slug='circuit-type')
-        cls.circuit = Circuit.objects.create(provider=provider, type=circuit_type, cid='Circuit 1')
-
-    def _get_cablepath(self, nodes, **kwargs):
-        """
-        Return a given cable path
-
-        :param nodes: Iterable of steps, with each step being either a single node or a list of nodes
-
-        :return: The matching CablePath (if any)
-        """
-        path = []
-        for step in nodes:
-            if type(step) in (list, tuple):
-                path.append([object_to_path_node(node) for node in step])
-            else:
-                path.append([object_to_path_node(step)])
-        return CablePath.objects.filter(path=path, **kwargs).first()
-
-    def assertPathExists(self, nodes, **kwargs):
-        """
-        Assert that a CablePath from origin to destination with a specific intermediate path exists. Returns the
-        first matching CablePath, if found.
-
-        :param nodes: Iterable of steps, with each step being either a single node or a list of nodes
-        """
-        cablepath = self._get_cablepath(nodes, **kwargs)
-        self.assertIsNotNone(cablepath, msg='CablePath not found')
-
-        return cablepath
-
-    def assertPathDoesNotExist(self, nodes, **kwargs):
-        """
-        Assert that a specific CablePath does *not* exist.
-
-        :param nodes: Iterable of steps, with each step being either a single node or a list of nodes
-        """
-        cablepath = self._get_cablepath(nodes, **kwargs)
-        self.assertIsNone(cablepath, msg='Unexpected CablePath found')
-
-    def assertPathIsSet(self, origin, cablepath, msg=None):
-        """
-        Assert that a specific CablePath instance is set as the path on the origin.
-
-        :param origin: The originating path endpoint
-        :param cablepath: The CablePath instance originating from this endpoint
-        :param msg: Custom failure message (optional)
-        """
-        if msg is None:
-            msg = f"Path #{cablepath.pk} not set on originating endpoint {origin}"
-        self.assertEqual(origin._path_id, cablepath.pk, msg=msg)
-
-    def assertPathIsNotSet(self, origin, msg=None):
-        """
-        Assert that a specific CablePath instance is set as the path on the origin.
-
-        :param origin: The originating path endpoint
-        :param msg: Custom failure message (optional)
-        """
-        if msg is None:
-            msg = f"Path #{origin._path_id} set as origin on {origin}; should be None!"
-        self.assertIsNone(origin._path_id, msg=msg)
-
     def test_101_interface_to_interface(self):
         """
         [IF1] --C1-- [IF2]

netbox/dcim/tests/test_cablepaths2.py

@@ -0,0 +1,371 @@
+from dcim.choices import CableProfileChoices
+from dcim.models import *
+from dcim.svg import CableTraceSVG
+from dcim.tests.utils import CablePathTestCase
+
+
+class CablePathTests(CablePathTestCase):
+    """
+    Test the creation of CablePaths for Cables with different profiles applied.
+
+    Tests are numbered as follows:
+        1XX: Test direct connections using each profile
+    """
+
+    def test_101_cable_profile_straight_single(self):
+        """
+        [IF1] --C1-- [IF2]
+
+        Cable profile: Straight single
+        """
+        interfaces = [
+            Interface.objects.create(device=self.device, name='Interface 1'),
+            Interface.objects.create(device=self.device, name='Interface 2'),
+        ]
+
+        # Create cable 1
+        cable1 = Cable(
+            profile=CableProfileChoices.STRAIGHT_SINGLE,
+            a_terminations=[interfaces[0]],
+            b_terminations=[interfaces[1]],
+        )
+        cable1.clean()
+        cable1.save()
+
+        path1 = self.assertPathExists(
+            (interfaces[0], cable1, interfaces[1]),
+            is_complete=True,
+            is_active=True
+        )
+        path2 = self.assertPathExists(
+            (interfaces[1], cable1, interfaces[0]),
+            is_complete=True,
+            is_active=True
+        )
+        self.assertEqual(CablePath.objects.count(), 2)
+        interfaces[0].refresh_from_db()
+        interfaces[1].refresh_from_db()
+        self.assertPathIsSet(interfaces[0], path1)
+        self.assertPathIsSet(interfaces[1], path2)
+        self.assertEqual(interfaces[0].cable_position, 1)
+        self.assertEqual(interfaces[1].cable_position, 1)
+
+        # Test SVG generation
+        CableTraceSVG(interfaces[0]).render()
+
+        # Delete cable 1
+        cable1.delete()
+
+        # Check that all CablePaths have been deleted
+        self.assertEqual(CablePath.objects.count(), 0)
+
+    def test_102_cable_profile_straight_multi(self):
+        """
+        [IF1] --C1-- [IF3]
+        [IF2]        [IF4]
+
+        Cable profile: Straight multi
+        """
+        interfaces = [
+            Interface.objects.create(device=self.device, name='Interface 1'),
+            Interface.objects.create(device=self.device, name='Interface 2'),
+            Interface.objects.create(device=self.device, name='Interface 3'),
+            Interface.objects.create(device=self.device, name='Interface 4'),
+        ]
+
+        # Create cable 1
+        cable1 = Cable(
+            profile=CableProfileChoices.STRAIGHT_MULTI,
+            a_terminations=[interfaces[0], interfaces[1]],
+            b_terminations=[interfaces[2], interfaces[3]],
+        )
+        cable1.clean()
+        cable1.save()
+
+        path1 = self.assertPathExists(
+            (interfaces[0], cable1, interfaces[2]),
+            is_complete=True,
+            is_active=True
+        )
+        path2 = self.assertPathExists(
+            (interfaces[1], cable1, interfaces[3]),
+            is_complete=True,
+            is_active=True
+        )
+        path3 = self.assertPathExists(
+            (interfaces[2], cable1, interfaces[0]),
+            is_complete=True,
+            is_active=True
+        )
+        path4 = self.assertPathExists(
+            (interfaces[3], cable1, interfaces[1]),
+            is_complete=True,
+            is_active=True
+        )
+        self.assertEqual(CablePath.objects.count(), 4)
+
+        for interface in interfaces:
+            interface.refresh_from_db()
+        self.assertPathIsSet(interfaces[0], path1)
+        self.assertPathIsSet(interfaces[1], path2)
+        self.assertPathIsSet(interfaces[2], path3)
+        self.assertPathIsSet(interfaces[3], path4)
+        self.assertEqual(interfaces[0].cable_position, 1)
+        self.assertEqual(interfaces[1].cable_position, 2)
+        self.assertEqual(interfaces[2].cable_position, 1)
+        self.assertEqual(interfaces[3].cable_position, 2)
+
+        # Test SVG generation
+        CableTraceSVG(interfaces[0]).render()
+
+        # Delete cable 1
+        cable1.delete()
+
+        # Check that all CablePaths have been deleted
+        self.assertEqual(CablePath.objects.count(), 0)
+
+    def test_103_cable_profile_a_to_many(self):
+        """
+        [IF1] --C1-- [IF2]
+                     [IF3]
+                     [IF4]
+
+        Cable profile: A to many
+        """
+        interfaces = [
+            Interface.objects.create(device=self.device, name='Interface 1'),
+            Interface.objects.create(device=self.device, name='Interface 2'),
+            Interface.objects.create(device=self.device, name='Interface 3'),
+            Interface.objects.create(device=self.device, name='Interface 4'),
+        ]
+
+        # Create cable 1
+        cable1 = Cable(
+            profile=CableProfileChoices.A_TO_MANY,
+            a_terminations=[interfaces[0]],
+            b_terminations=[interfaces[1], interfaces[2], interfaces[3]],
+        )
+        cable1.clean()
+        cable1.save()
+
+        # A-to-B path leads to all interfaces
+        path1 = self.assertPathExists(
+            (interfaces[0], cable1, [interfaces[1], interfaces[2], interfaces[3]]),
+            is_complete=True,
+            is_active=True
+        )
+        # B-to-A paths are incomplete because A side has null position
+        path2 = self.assertPathExists(
+            (interfaces[1], cable1, []),
+            is_complete=False,
+            is_active=True
+        )
+        path3 = self.assertPathExists(
+            (interfaces[2], cable1, []),
+            is_complete=False,
+            is_active=True
+        )
+        path4 = self.assertPathExists(
+            (interfaces[3], cable1, []),
+            is_complete=False,
+            is_active=True
+        )
+        self.assertEqual(CablePath.objects.count(), 4)
+
+        for interface in interfaces:
+            interface.refresh_from_db()
+        self.assertPathIsSet(interfaces[0], path1)
+        self.assertPathIsSet(interfaces[1], path2)
+        self.assertPathIsSet(interfaces[2], path3)
+        self.assertPathIsSet(interfaces[3], path4)
+        self.assertIsNone(interfaces[0].cable_position)
+        self.assertEqual(interfaces[1].cable_position, 1)
+        self.assertEqual(interfaces[2].cable_position, 2)
+        self.assertEqual(interfaces[3].cable_position, 3)
+
+        # Test SVG generation
+        CableTraceSVG(interfaces[0]).render()
+
+        # Delete cable 1
+        cable1.delete()
+
+        # Check that all CablePaths have been deleted
+        self.assertEqual(CablePath.objects.count(), 0)
+
+    def test_104_cable_profile_b_to_many(self):
+        """
+        [IF1] --C1-- [IF4]
+        [IF2]
+        [IF3]
+
+        Cable profile: B to many
+        """
+        interfaces = [
+            Interface.objects.create(device=self.device, name='Interface 1'),
+            Interface.objects.create(device=self.device, name='Interface 2'),
+            Interface.objects.create(device=self.device, name='Interface 3'),
+            Interface.objects.create(device=self.device, name='Interface 4'),
+        ]
+
+        # Create cable 1
+        cable1 = Cable(
+            profile=CableProfileChoices.B_TO_MANY,
+            a_terminations=[interfaces[0], interfaces[1], interfaces[2]],
+            b_terminations=[interfaces[3]],
+        )
+        cable1.clean()
+        cable1.save()
+
+        # A-to-B paths are incomplete because A side has null position
+        path1 = self.assertPathExists(
+            (interfaces[0], cable1, []),
+            is_complete=False,
+            is_active=True
+        )
+        path2 = self.assertPathExists(
+            (interfaces[1], cable1, []),
+            is_complete=False,
+            is_active=True
+        )
+        path3 = self.assertPathExists(
+            (interfaces[2], cable1, []),
+            is_complete=False,
+            is_active=True
+        )
+        # B-to-A path leads to all interfaces
+        path4 = self.assertPathExists(
+            (interfaces[3], cable1, [interfaces[0], interfaces[1], interfaces[2]]),
+            is_complete=True,
+            is_active=True
+        )
+        self.assertEqual(CablePath.objects.count(), 4)
+
+        for interface in interfaces:
+            interface.refresh_from_db()
+        self.assertPathIsSet(interfaces[0], path1)
+        self.assertPathIsSet(interfaces[1], path2)
+        self.assertPathIsSet(interfaces[2], path3)
+        self.assertPathIsSet(interfaces[3], path4)
+        self.assertEqual(interfaces[0].cable_position, 1)
+        self.assertEqual(interfaces[1].cable_position, 2)
+        self.assertEqual(interfaces[2].cable_position, 3)
+        self.assertIsNone(interfaces[3].cable_position)
+
+        # Test SVG generation
+        CableTraceSVG(interfaces[0]).render()
+
+        # Delete cable 1
+        cable1.delete()
+
+        # Check that all CablePaths have been deleted
+        self.assertEqual(CablePath.objects.count(), 0)
+
+    def test_105_cable_profile_2x2_mpo(self):
+        """
+        [IF1:1] --C1-- [IF3:1]
+        [IF1:2]        [IF3:2]
+        [IF1:3]        [IF3:3]
+        [IF1:4]        [IF3:4]
+        [IF2:1]        [IF4:1]
+        [IF2:2]        [IF4:2]
+        [IF2:3]        [IF4:3]
+        [IF2:4]        [IF4:4]
+
+        Cable profile: Shuffle (2x2 MPO)
+        """
+        interfaces = [
+            Interface.objects.create(device=self.device, name='Interface 1:1'),
+            Interface.objects.create(device=self.device, name='Interface 1:2'),
+            Interface.objects.create(device=self.device, name='Interface 1:3'),
+            Interface.objects.create(device=self.device, name='Interface 1:4'),
+            Interface.objects.create(device=self.device, name='Interface 2:1'),
+            Interface.objects.create(device=self.device, name='Interface 2:2'),
+            Interface.objects.create(device=self.device, name='Interface 2:3'),
+            Interface.objects.create(device=self.device, name='Interface 2:4'),
+            Interface.objects.create(device=self.device, name='Interface 3:1'),
+            Interface.objects.create(device=self.device, name='Interface 3:2'),
+            Interface.objects.create(device=self.device, name='Interface 3:3'),
+            Interface.objects.create(device=self.device, name='Interface 3:4'),
+            Interface.objects.create(device=self.device, name='Interface 4:1'),
+            Interface.objects.create(device=self.device, name='Interface 4:2'),
+            Interface.objects.create(device=self.device, name='Interface 4:3'),
+            Interface.objects.create(device=self.device, name='Interface 4:4'),
+        ]
+
+        # Create cable 1
+        cable1 = Cable(
+            profile=CableProfileChoices.SHUFFLE_2X2_MPO,
+            a_terminations=interfaces[0:8],
+            b_terminations=interfaces[8:16],
+        )
+        cable1.clean()
+        cable1.save()
+
+        paths = [
+            # A-to-B paths
+            self.assertPathExists(
+                (interfaces[0], cable1, interfaces[8]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[1], cable1, interfaces[9]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[2], cable1, interfaces[12]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[3], cable1, interfaces[13]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[4], cable1, interfaces[10]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[5], cable1, interfaces[11]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[6], cable1, interfaces[14]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[7], cable1, interfaces[15]), is_complete=True, is_active=True
+            ),
+            # B-to-A paths
+            self.assertPathExists(
+                (interfaces[8], cable1, interfaces[0]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[9], cable1, interfaces[1]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[10], cable1, interfaces[4]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[11], cable1, interfaces[5]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[12], cable1, interfaces[2]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[13], cable1, interfaces[3]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[14], cable1, interfaces[6]), is_complete=True, is_active=True
+            ),
+            self.assertPathExists(
+                (interfaces[15], cable1, interfaces[7]), is_complete=True, is_active=True
+            ),
+        ]
+        self.assertEqual(CablePath.objects.count(), len(paths))
+
+        for i, (interface, path) in enumerate(zip(interfaces, paths)):
+            interface.refresh_from_db()
+            self.assertPathIsSet(interface, path)
+            self.assertEqual(interface.cable_end, 'A' if i < 8 else 'B')
+            self.assertEqual(interface.cable_position, (i % 8) + 1)
+
+        # Test SVG generation
+        CableTraceSVG(interfaces[0]).render()
+
+        # Delete cable 1
+        cable1.delete()
+
+        # Check that all CablePaths have been deleted
+        self.assertEqual(CablePath.objects.count(), 0)

netbox/dcim/tests/utils.py

@@ -0,0 +1,88 @@
+from django.test import TestCase
+
+from circuits.models import *
+from dcim.models import *
+from dcim.utils import object_to_path_node
+
+__all__ = (
+    'CablePathTestCase',
+)
+
+
+class CablePathTestCase(TestCase):
+    """
+    Base class for test cases for cable paths.
+    """
+    @classmethod
+    def setUpTestData(cls):
+        manufacturer = Manufacturer.objects.create(name='Generic', slug='generic')
+        device_type = DeviceType.objects.create(manufacturer=manufacturer, model='Test Device')
+        role = DeviceRole.objects.create(name='Device Role', slug='device-role')
+        provider = Provider.objects.create(name='Provider', slug='provider')
+        circuit_type = CircuitType.objects.create(name='Circuit Type', slug='circuit-type')
+
+        # Create reusable test objects
+        cls.site = Site.objects.create(name='Site', slug='site')
+        cls.device = Device.objects.create(site=cls.site, device_type=device_type, role=role, name='Test Device')
+        cls.powerpanel = PowerPanel.objects.create(site=cls.site, name='Power Panel')
+        cls.circuit = Circuit.objects.create(provider=provider, type=circuit_type, cid='Circuit 1')
+
+    def _get_cablepath(self, nodes, **kwargs):
+        """
+        Return a given cable path
+
+        :param nodes: Iterable of steps, with each step being either a single node or a list of nodes
+
+        :return: The matching CablePath (if any)
+        """
+        path = []
+        for step in nodes:
+            if type(step) in (list, tuple):
+                path.append([object_to_path_node(node) for node in step])
+            else:
+                path.append([object_to_path_node(step)])
+        return CablePath.objects.filter(path=path, **kwargs).first()
+
+    def assertPathExists(self, nodes, **kwargs):
+        """
+        Assert that a CablePath from origin to destination with a specific intermediate path exists. Returns the
+        first matching CablePath, if found.
+
+        :param nodes: Iterable of steps, with each step being either a single node or a list of nodes
+        """
+        cablepath = self._get_cablepath(nodes, **kwargs)
+        self.assertIsNotNone(cablepath, msg='CablePath not found')
+
+        return cablepath
+
+    def assertPathDoesNotExist(self, nodes, **kwargs):
+        """
+        Assert that a specific CablePath does *not* exist.
+
+        :param nodes: Iterable of steps, with each step being either a single node or a list of nodes
+        """
+        cablepath = self._get_cablepath(nodes, **kwargs)
+        self.assertIsNone(cablepath, msg='Unexpected CablePath found')
+
+    def assertPathIsSet(self, origin, cablepath, msg=None):
+        """
+        Assert that a specific CablePath instance is set as the path on the origin.
+
+        :param origin: The originating path endpoint
+        :param cablepath: The CablePath instance originating from this endpoint
+        :param msg: Custom failure message (optional)
+        """
+        if msg is None:
+            msg = f"Path #{cablepath.pk} not set on originating endpoint {origin}"
+        self.assertEqual(origin._path_id, cablepath.pk, msg=msg)
+
+    def assertPathIsNotSet(self, origin, msg=None):
+        """
+        Assert that a specific CablePath instance is set as the path on the origin.
+
+        :param origin: The originating path endpoint
+        :param msg: Custom failure message (optional)
+        """
+        if msg is None:
+            msg = f"Path #{origin._path_id} set as origin on {origin}; should be None!"
+        self.assertIsNone(origin._path_id, msg=msg)