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# Copyright (c) 2023-2024 Arista Networks, Inc.
# Use of this source code is governed by the Apache License 2.0
# that can be found in the LICENSE file.
"""Module related to VLAN tests."""
# Mypy does not understand AntaTest.Input typing
# mypy: disable-error-code=attr-defined
from __future__ import annotations
from typing import TYPE_CHECKING, ClassVar, Literal
from anta.custom_types import Vlan
from anta.models import AntaCommand, AntaTest
from anta.tools import get_failed_logs, get_value
if TYPE_CHECKING:
from anta.models import AntaTemplate
class VerifyVlanInternalPolicy(AntaTest):
"""Verifies if the VLAN internal allocation policy is ascending or descending and if the VLANs are within the specified range.
Expected Results
----------------
* Success: The test will pass if the VLAN internal allocation policy is either ascending or descending
and the VLANs are within the specified range.
* Failure: The test will fail if the VLAN internal allocation policy is neither ascending nor descending
or the VLANs are outside the specified range.
Examples
--------
```yaml
anta.tests.vlan:
- VerifyVlanInternalPolicy:
policy: ascending
start_vlan_id: 1006
end_vlan_id: 4094
```
"""
name = "VerifyVlanInternalPolicy"
description = "Verifies the VLAN internal allocation policy and the range of VLANs."
categories: ClassVar[list[str]] = ["vlan"]
commands: ClassVar[list[AntaCommand | AntaTemplate]] = [AntaCommand(command="show vlan internal allocation policy", revision=1)]
class Input(AntaTest.Input):
"""Input model for the VerifyVlanInternalPolicy test."""
policy: Literal["ascending", "descending"]
"""The VLAN internal allocation policy. Supported values: ascending, descending."""
start_vlan_id: Vlan
"""The starting VLAN ID in the range."""
end_vlan_id: Vlan
"""The ending VLAN ID in the range."""
@AntaTest.anta_test
def test(self) -> None:
"""Main test function for VerifyVlanInternalPolicy."""
command_output = self.instance_commands[0].json_output
keys_to_verify = ["policy", "startVlanId", "endVlanId"]
actual_policy_output = {key: get_value(command_output, key) for key in keys_to_verify}
expected_policy_output = {"policy": self.inputs.policy, "startVlanId": self.inputs.start_vlan_id, "endVlanId": self.inputs.end_vlan_id}
# Check if the actual output matches the expected output
if actual_policy_output != expected_policy_output:
failed_log = "The VLAN internal allocation policy is not configured properly:"
failed_log += get_failed_logs(expected_policy_output, actual_policy_output)
self.result.is_failure(failed_log)
else:
self.result.is_success()
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