Merging upstream version 1.0.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1349 insertions, 1 deletions

diff --git a/tests/units/anta_tests/routing/test_isis.py b/tests/units/anta_tests/routing/test_isis.py
index ec41105..2167ea4 100644
--- a/tests/units/anta_tests/routing/test_isis.py
+++ b/tests/units/anta_tests/routing/test_isis.py
@@ -3,11 +3,23 @@
 # that can be found in the LICENSE file.
 """Tests for anta.tests.routing.ospf.py."""
 
+# pylint: disable=too-many-lines
+
 from __future__ import annotations
 
 from typing import Any
 
-from anta.tests.routing.isis import VerifyISISInterfaceMode, VerifyISISNeighborCount, VerifyISISNeighborState
+import pytest
+
+from anta.tests.routing.isis import (
+    VerifyISISInterfaceMode,
+    VerifyISISNeighborCount,
+    VerifyISISNeighborState,
+    VerifyISISSegmentRoutingAdjacencySegments,
+    VerifyISISSegmentRoutingDataplane,
+    VerifyISISSegmentRoutingTunnels,
+    _get_interface_data,
+)
 from tests.lib.anta import test  # noqa: F401; pylint: disable=W0611
 
 DATA: list[dict[str, Any]] = [
@@ -155,6 +167,18 @@ DATA: list[dict[str, Any]] = [
         },
     },
     {
+        "name": "skipped - no neighbor",
+        "test": VerifyISISNeighborState,
+        "eos_data": [
+            {"vrfs": {"default": {"isisInstances": {"CORE-ISIS": {"neighbors": {}}}}}},
+        ],
+        "inputs": None,
+        "expected": {
+            "result": "skipped",
+            "messages": ["No IS-IS neighbor detected"],
+        },
+    },
+    {
         "name": "success only default vrf",
         "test": VerifyISISNeighborCount,
         "eos_data": [
@@ -227,6 +251,108 @@ DATA: list[dict[str, Any]] = [
         "expected": {"result": "success"},
     },
     {
+        "name": "skipped - no neighbor",
+        "test": VerifyISISNeighborCount,
+        "eos_data": [
+            {"vrfs": {"default": {"isisInstances": {"CORE-ISIS": {"interfaces": {}}}}}},
+        ],
+        "inputs": {
+            "interfaces": [
+                {"name": "Ethernet1", "level": 2, "count": 1},
+            ]
+        },
+        "expected": {
+            "result": "skipped",
+            "messages": ["No IS-IS neighbor detected"],
+        },
+    },
+    {
+        "name": "failure - missing interface",
+        "test": VerifyISISNeighborCount,
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "interfaces": {
+                                    "Ethernet1": {
+                                        "intfLevels": {
+                                            "2": {
+                                                "ipv4Metric": 10,
+                                                "numAdjacencies": 0,
+                                                "linkId": "84",
+                                                "sharedSecretProfile": "",
+                                                "isisAdjacencies": [],
+                                                "passive": False,
+                                                "v4Protection": "link",
+                                                "v6Protection": "disabled",
+                                            }
+                                        },
+                                        "interfaceSpeed": 1000,
+                                        "areaProxyBoundary": False,
+                                    },
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+        ],
+        "inputs": {
+            "interfaces": [
+                {"name": "Ethernet2", "level": 2, "count": 1},
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["No neighbor detected for interface Ethernet2"],
+        },
+    },
+    {
+        "name": "failure - wrong count",
+        "test": VerifyISISNeighborCount,
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "interfaces": {
+                                    "Ethernet1": {
+                                        "intfLevels": {
+                                            "2": {
+                                                "ipv4Metric": 10,
+                                                "numAdjacencies": 3,
+                                                "linkId": "84",
+                                                "sharedSecretProfile": "",
+                                                "isisAdjacencies": [],
+                                                "passive": False,
+                                                "v4Protection": "link",
+                                                "v6Protection": "disabled",
+                                            }
+                                        },
+                                        "interfaceSpeed": 1000,
+                                        "areaProxyBoundary": False,
+                                    },
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+        ],
+        "inputs": {
+            "interfaces": [
+                {"name": "Ethernet1", "level": 2, "count": 1},
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Interface Ethernet1: expected Level 2: count 1, got Level 2: count 3"],
+        },
+    },
+    {
         "name": "success VerifyISISInterfaceMode only default vrf",
         "test": VerifyISISInterfaceMode,
         "eos_data": [
@@ -567,4 +693,1226 @@ DATA: list[dict[str, Any]] = [
             ],
         },
     },
+    {
+        "name": "skipped VerifyISISInterfaceMode no vrf",
+        "test": VerifyISISInterfaceMode,
+        "eos_data": [{"vrfs": {}}],
+        "inputs": {
+            "interfaces": [
+                {"name": "Loopback0", "mode": "passive"},
+                {"name": "Ethernet2", "mode": "passive"},
+                {"name": "Ethernet1", "mode": "point-to-point", "vrf": "default"},
+            ]
+        },
+        "expected": {"result": "skipped", "messages": ["IS-IS is not configured on device"]},
+    },
+    {
+        "name": "Skipped of VerifyISISSegmentRoutingAdjacencySegments no VRF.",
+        "test": VerifyISISSegmentRoutingAdjacencySegments,
+        "eos_data": [{"vrfs": {}}],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "default",
+                    "segments": [
+                        {
+                            "interface": "Ethernet2",
+                            "address": "10.0.1.3",
+                            "sid_origin": "dynamic",
+                        }
+                    ],
+                }
+            ]
+        },
+        "expected": {"result": "skipped", "messages": ["IS-IS is not configured on device"]},
+    },
+    {
+        "test": VerifyISISSegmentRoutingAdjacencySegments,
+        "name": "Success of VerifyISISSegmentRoutingAdjacencySegments in default VRF.",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                                "adjSidAllocationMode": "SrOnly",
+                                "adjSidPoolBase": 116384,
+                                "adjSidPoolSize": 16384,
+                                "adjacencySegments": [
+                                    {
+                                        "ipAddress": "10.0.1.3",
+                                        "localIntf": "Ethernet2",
+                                        "sid": 116384,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                    {
+                                        "ipAddress": "10.0.1.1",
+                                        "localIntf": "Ethernet1",
+                                        "sid": 116385,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                ],
+                                "receivedGlobalAdjacencySegments": [],
+                                "misconfiguredAdjacencySegments": [],
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "default",
+                    "segments": [
+                        {
+                            "interface": "Ethernet2",
+                            "address": "10.0.1.3",
+                            "sid_origin": "dynamic",
+                        }
+                    ],
+                }
+            ]
+        },
+        "expected": {
+            "result": "success",
+            "messages": [],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingAdjacencySegments,
+        "name": "Failure of VerifyISISSegmentRoutingAdjacencySegments in default VRF for incorrect segment definition.",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                                "adjSidAllocationMode": "SrOnly",
+                                "adjSidPoolBase": 116384,
+                                "adjSidPoolSize": 16384,
+                                "adjacencySegments": [
+                                    {
+                                        "ipAddress": "10.0.1.3",
+                                        "localIntf": "Ethernet2",
+                                        "sid": 116384,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                    {
+                                        "ipAddress": "10.0.1.1",
+                                        "localIntf": "Ethernet1",
+                                        "sid": 116385,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                ],
+                                "receivedGlobalAdjacencySegments": [],
+                                "misconfiguredAdjacencySegments": [],
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "default",
+                    "segments": [
+                        {
+                            "interface": "Ethernet2",
+                            "address": "10.0.1.3",
+                            "sid_origin": "dynamic",
+                        },
+                        {
+                            "interface": "Ethernet3",
+                            "address": "10.0.1.2",
+                            "sid_origin": "dynamic",
+                        },
+                    ],
+                }
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Your segment has not been found: interface='Ethernet3' level=2 sid_origin='dynamic' address=IPv4Address('10.0.1.2')."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingAdjacencySegments,
+        "name": "Failure of VerifyISISSegmentRoutingAdjacencySegments with incorrect VRF.",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                                "adjSidAllocationMode": "SrOnly",
+                                "adjSidPoolBase": 116384,
+                                "adjSidPoolSize": 16384,
+                                "adjacencySegments": [
+                                    {
+                                        "ipAddress": "10.0.1.3",
+                                        "localIntf": "Ethernet2",
+                                        "sid": 116384,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                    {
+                                        "ipAddress": "10.0.1.1",
+                                        "localIntf": "Ethernet1",
+                                        "sid": 116385,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                ],
+                                "receivedGlobalAdjacencySegments": [],
+                                "misconfiguredAdjacencySegments": [],
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "custom",
+                    "segments": [
+                        {
+                            "interface": "Ethernet2",
+                            "address": "10.0.1.3",
+                            "sid_origin": "dynamic",
+                        },
+                        {
+                            "interface": "Ethernet3",
+                            "address": "10.0.1.2",
+                            "sid_origin": "dynamic",
+                        },
+                    ],
+                }
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["VRF custom is not configured to run segment routging."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingAdjacencySegments,
+        "name": "Failure of VerifyISISSegmentRoutingAdjacencySegments with incorrect Instance.",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                                "adjSidAllocationMode": "SrOnly",
+                                "adjSidPoolBase": 116384,
+                                "adjSidPoolSize": 16384,
+                                "adjacencySegments": [
+                                    {
+                                        "ipAddress": "10.0.1.3",
+                                        "localIntf": "Ethernet2",
+                                        "sid": 116384,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                    {
+                                        "ipAddress": "10.0.1.1",
+                                        "localIntf": "Ethernet1",
+                                        "sid": 116385,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                ],
+                                "receivedGlobalAdjacencySegments": [],
+                                "misconfiguredAdjacencySegments": [],
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS2",
+                    "vrf": "default",
+                    "segments": [
+                        {
+                            "interface": "Ethernet2",
+                            "address": "10.0.1.3",
+                            "sid_origin": "dynamic",
+                        },
+                        {
+                            "interface": "Ethernet3",
+                            "address": "10.0.1.2",
+                            "sid_origin": "dynamic",
+                        },
+                    ],
+                }
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Instance CORE-ISIS2 is not found in vrf default."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingAdjacencySegments,
+        "name": "Failure of VerifyISISSegmentRoutingAdjacencySegments with incorrect segment info.",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                                "adjSidAllocationMode": "SrOnly",
+                                "adjSidPoolBase": 116384,
+                                "adjSidPoolSize": 16384,
+                                "adjacencySegments": [
+                                    {
+                                        "ipAddress": "10.0.1.3",
+                                        "localIntf": "Ethernet2",
+                                        "sid": 116384,
+                                        "lan": False,
+                                        "sidOrigin": "dynamic",
+                                        "protection": "unprotected",
+                                        "flags": {
+                                            "b": False,
+                                            "v": True,
+                                            "l": True,
+                                            "f": False,
+                                            "s": False,
+                                        },
+                                        "level": 2,
+                                    },
+                                ],
+                                "receivedGlobalAdjacencySegments": [],
+                                "misconfiguredAdjacencySegments": [],
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "default",
+                    "segments": [
+                        {
+                            "interface": "Ethernet2",
+                            "address": "10.0.1.3",
+                            "sid_origin": "dynamic",
+                            "level": 1,  # Wrong level
+                        },
+                    ],
+                }
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": [
+                (
+                    "Your segment is not correct: Expected: interface='Ethernet2' level=1 sid_origin='dynamic' address=IPv4Address('10.0.1.3') - "
+                    "Found: {'ipAddress': '10.0.1.3', 'localIntf': 'Ethernet2', 'sid': 116384, 'lan': False, 'sidOrigin': 'dynamic', 'protection': "
+                    "'unprotected', 'flags': {'b': False, 'v': True, 'l': True, 'f': False, 's': False}, 'level': 2}."
+                )
+            ],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingDataplane,
+        "name": "Check VerifyISISSegmentRoutingDataplane is running successfully",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "default",
+                    "dataplane": "MPLS",
+                },
+            ]
+        },
+        "expected": {
+            "result": "success",
+            "messages": [],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingDataplane,
+        "name": "Check VerifyISISSegmentRoutingDataplane is failing with incorrect dataplane",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "default",
+                    "dataplane": "unset",
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["ISIS instance CORE-ISIS is not running dataplane unset (MPLS)"],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingDataplane,
+        "name": "Check VerifyISISSegmentRoutingDataplane is failing for unknown instance",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS2",
+                    "vrf": "default",
+                    "dataplane": "unset",
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Instance CORE-ISIS2 is not found in vrf default."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingDataplane,
+        "name": "Check VerifyISISSegmentRoutingDataplane is failing for unknown VRF",
+        "eos_data": [
+            {
+                "vrfs": {
+                    "default": {
+                        "isisInstances": {
+                            "CORE-ISIS": {
+                                "dataPlane": "MPLS",
+                                "routerId": "1.0.0.11",
+                                "systemId": "0168.0000.0011",
+                                "hostname": "s1-pe01",
+                            }
+                        }
+                    }
+                }
+            }
+        ],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "wrong_vrf",
+                    "dataplane": "unset",
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["VRF wrong_vrf is not configured to run segment routing."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingDataplane,
+        "name": "Check VerifyISISSegmentRoutingDataplane is skipped",
+        "eos_data": [{"vrfs": {}}],
+        "inputs": {
+            "instances": [
+                {
+                    "name": "CORE-ISIS",
+                    "vrf": "wrong_vrf",
+                    "dataplane": "unset",
+                },
+            ]
+        },
+        "expected": {
+            "result": "skipped",
+            "messages": ["IS-IS-SR is not running on device"],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "runs successfully",
+        "eos_data": [
+            {
+                "entries": {
+                    "3": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "31": {
+                        "endpoint": "1.0.0.13/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "32": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+                {"endpoint": "1.0.0.13/32", "vias": [{"type": "ip"}]},
+                {
+                    "endpoint": "1.0.0.111/32",
+                    "vias": [{"type": "tunnel", "tunnel_id": "ti-lfa"}],
+                },
+                {
+                    "endpoint": "1.0.0.122/32",
+                    "vias": [
+                        {"interface": "Ethernet1", "nexthop": "10.0.1.1"},  # Testing empty type
+                        {"type": "ip", "interface": "Ethernet2", "nexthop": "10.0.1.3"},
+                    ],
+                },
+            ]
+        },
+        "expected": {
+            "result": "success",
+            "messages": [],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "is skipped if not entry founf in EOS",
+        "eos_data": [{"entries": {}}],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+            ]
+        },
+        "expected": {
+            "result": "skipped",
+            "messages": ["IS-IS-SR is not running on device."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "runs successfully",
+        "eos_data": [
+            {
+                "entries": {
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Tunnel to endpoint=IPv4Network('1.0.0.122/32') vias=None is not found."],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "fails with incorrect tunnel type",
+        "eos_data": [
+            {
+                "entries": {
+                    "3": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "31": {
+                        "endpoint": "1.0.0.13/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "32": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+                {"endpoint": "1.0.0.13/32", "vias": [{"type": "tunnel"}]},
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Tunnel to 1.0.0.13/32 is incorrect: incorrect tunnel type"],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "fails with incorrect nexthop",
+        "eos_data": [
+            {
+                "entries": {
+                    "3": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "31": {
+                        "endpoint": "1.0.0.13/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "32": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+                {"endpoint": "1.0.0.13/32", "vias": [{"type": "ip"}]},
+                {
+                    "endpoint": "1.0.0.122/32",
+                    "vias": [
+                        {"type": "ip", "interface": "Ethernet1", "nexthop": "10.0.1.2"},
+                        {"type": "ip", "interface": "Ethernet2", "nexthop": "10.0.1.3"},
+                    ],
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Tunnel to 1.0.0.122/32 is incorrect: incorrect nexthop"],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "fails with incorrect nexthop",
+        "eos_data": [
+            {
+                "entries": {
+                    "3": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "31": {
+                        "endpoint": "1.0.0.13/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "32": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+                {"endpoint": "1.0.0.13/32", "vias": [{"type": "ip"}]},
+                {
+                    "endpoint": "1.0.0.122/32",
+                    "vias": [
+                        {"type": "ip", "interface": "Ethernet4", "nexthop": "10.0.1.1"},
+                        {"type": "ip", "interface": "Ethernet2", "nexthop": "10.0.1.3"},
+                    ],
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Tunnel to 1.0.0.122/32 is incorrect: incorrect interface"],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "fails with incorrect interface",
+        "eos_data": [
+            {
+                "entries": {
+                    "3": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "31": {
+                        "endpoint": "1.0.0.13/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "32": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+                {"endpoint": "1.0.0.13/32", "vias": [{"type": "ip"}]},
+                {
+                    "endpoint": "1.0.0.122/32",
+                    "vias": [
+                        {"type": "ip", "interface": "Ethernet1", "nexthop": "10.0.1.2"},
+                        {"type": "ip", "interface": "Ethernet2", "nexthop": "10.0.1.3"},
+                    ],
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Tunnel to 1.0.0.122/32 is incorrect: incorrect nexthop"],
+        },
+    },
+    {
+        "test": VerifyISISSegmentRoutingTunnels,
+        "name": "fails with incorrect tunnel ID type",
+        "eos_data": [
+            {
+                "entries": {
+                    "3": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "31": {
+                        "endpoint": "1.0.0.13/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "32": {
+                        "endpoint": "1.0.0.122/32",
+                        "vias": [
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.1",
+                                "interface": "Ethernet1",
+                                "labels": ["900021"],
+                            },
+                            {
+                                "type": "ip",
+                                "nexthop": "10.0.1.3",
+                                "interface": "Ethernet2",
+                                "labels": ["900021"],
+                            },
+                        ],
+                    },
+                    "2": {
+                        "endpoint": "1.0.0.111/32",
+                        "vias": [
+                            {
+                                "type": "tunnel",
+                                "tunnelId": {"type": "TI-LFA", "index": 4},
+                                "labels": ["3"],
+                            }
+                        ],
+                    },
+                }
+            }
+        ],
+        "inputs": {
+            "entries": [
+                {"endpoint": "1.0.0.122/32"},
+                {"endpoint": "1.0.0.13/32", "vias": [{"type": "ip"}]},
+                {
+                    "endpoint": "1.0.0.111/32",
+                    "vias": [
+                        {"type": "tunnel", "tunnel_id": "unset"},
+                    ],
+                },
+            ]
+        },
+        "expected": {
+            "result": "failure",
+            "messages": ["Tunnel to 1.0.0.111/32 is incorrect: incorrect tunnel ID"],
+        },
+    },
 ]
+
+
+COMMAND_OUTPUT = {
+    "vrfs": {
+        "default": {
+            "isisInstances": {
+                "CORE-ISIS": {
+                    "interfaces": {
+                        "Loopback0": {
+                            "enabled": True,
+                            "intfLevels": {
+                                "2": {
+                                    "ipv4Metric": 10,
+                                    "sharedSecretProfile": "",
+                                    "isisAdjacencies": [],
+                                    "passive": True,
+                                    "v4Protection": "disabled",
+                                    "v6Protection": "disabled",
+                                }
+                            },
+                            "areaProxyBoundary": False,
+                        },
+                        "Ethernet1": {
+                            "intfLevels": {
+                                "2": {
+                                    "ipv4Metric": 10,
+                                    "numAdjacencies": 1,
+                                    "linkId": "84",
+                                    "sharedSecretProfile": "",
+                                    "isisAdjacencies": [],
+                                    "passive": False,
+                                    "v4Protection": "link",
+                                    "v6Protection": "disabled",
+                                }
+                            },
+                            "interfaceSpeed": 1000,
+                            "areaProxyBoundary": False,
+                        },
+                    }
+                }
+            }
+        },
+        "EMPTY": {"isisInstances": {}},
+        "NO_INTERFACES": {"isisInstances": {"CORE-ISIS": {}}},
+    }
+}
+EXPECTED_LOOPBACK_0_OUTPUT = {
+    "enabled": True,
+    "intfLevels": {
+        "2": {
+            "ipv4Metric": 10,
+            "sharedSecretProfile": "",
+            "isisAdjacencies": [],
+            "passive": True,
+            "v4Protection": "disabled",
+            "v6Protection": "disabled",
+        }
+    },
+    "areaProxyBoundary": False,
+}
+
+
+@pytest.mark.parametrize(
+    ("interface", "vrf", "expected_value"),
+    [
+        pytest.param("Loopback0", "WRONG_VRF", None, id="VRF_not_found"),
+        pytest.param("Loopback0", "EMPTY", None, id="VRF_no_ISIS_instances"),
+        pytest.param("Loopback0", "NO_INTERFACES", None, id="ISIS_instance_no_interfaces"),
+        pytest.param("Loopback42", "default", None, id="interface_not_found"),
+        pytest.param("Loopback0", "default", EXPECTED_LOOPBACK_0_OUTPUT, id="interface_found"),
+    ],
+)
+def test__get_interface_data(interface: str, vrf: str, expected_value: dict[str, Any] | None) -> None:
+    """Test anta.tests.routing.isis._get_interface_data."""
+    assert _get_interface_data(interface, vrf, COMMAND_OUTPUT) == expected_value