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test_snmp_handling.py 2.79 KiB
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import json
import os

import jsonschema
import pytest

from inventory_provider import snmp

import inventory_provider

TEST_DATA_DIRNAME = os.path.realpath(os.path.join(
    inventory_provider.__path__[0],
    "..",
    "test",
    "data"))


@pytest.fixture
def snmp_walk_responses():
    test_data_filename = os.path.join(TEST_DATA_DIRNAME, "snmp-walk.json")
    with open(test_data_filename) as f:
        return json.loads(f.read())


def test_snmp_interfaces(mocker, data_config, snmp_walk_responses):

    expected_result_schema = {
        "$schema": "http://json-schema.org/draft-07/schema#",

        "definitions": {
            "v4ifc": {
                "type": "object",
                "properties": {
                    "v4Address": {
                        "type": "string",
                        "pattern": r'^(\d+\.){3}\d+$'
                    },
                    "v4Mask": {
                        "type": "string",
                        "pattern": r'^(\d+\.){3}\d+$'
                    },
                    "v4InterfaceName": {"type": "string"},
                    "index": {
                        "type": "string",
                        "pattern": r'^\d+$'
                    }
                },
                "required": [
                    "v4Address", "v4Mask", "v4InterfaceName", "index"],
                "additionalProperties": False
            },
            "v6ifc": {
                "type": "object",
                "properties": {
                    "v6Address": {
                        "type": "string",
                        "pattern": r'^[a-f\d:]+$'
                    },
                    "v6Mask": {
                        "type": "string",
                        "pattern": r'^\d+$'
                    },
                    "v6InterfaceName": {"type": "string"},
                    "index": {
                        "type": "string",
                        "pattern": r'^\d+$'
                    }
                },
                "required": [
                    "v6Address", "v6Mask", "v6InterfaceName", "index"],
                "additionalProperties": False
            }
        },

        "type": "array",
        "items": {
            "anyOf": [
                {"$ref": "#/definitions/v4ifc"},
                {"$ref": "#/definitions/v6ifc"}
            ]
        }
    }

    def _mocked_walk(agent_hostname, community, base_oid):
        return [e for e in snmp_walk_responses
                if e['oid'].startswith(base_oid)]

    mocker.patch(
        'inventory_provider.snmp.walk',
        _mocked_walk)

    interfaces = snmp.get_router_interfaces(
        'ignored', 'ignored', {'oids': data_config['oids']})
    interfaces = list(interfaces)

    jsonschema.validate(interfaces, expected_result_schema)
    assert interfaces, "interface list isn't empty"