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import pytest
from pysnmp.hlapi.v3arch.asyncio import *
from pysnmp.proto.errind import UnknownUserName
from tests.agent_context import AGENT_PORT, AgentContextManager
@pytest.mark.asyncio
async def test_usm_no_auth_no_priv():
async with AgentContextManager():
with SnmpEngine() as snmpEngine:
authData = UsmUserData("usr-none-none")
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpEngine,
authData,
await UdpTransportTarget.create(("localhost", AGENT_PORT), retries=0),
ContextData(),
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == 1
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysDescr.0"
assert varBinds[0][1].prettyPrint().startswith("PySNMP engine version")
isinstance(varBinds[0][1], OctetString)
@pytest.mark.asyncio
async def test_usm_no_auth_no_priv_wrong_user():
async with AgentContextManager():
with SnmpEngine() as snmpEngine:
authData = UsmUserData("usr-none-none-not-exist")
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpEngine,
authData,
await UdpTransportTarget.create(("localhost", AGENT_PORT), retries=0),
ContextData(),
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
assert isinstance(errorIndication, UnknownUserName)
assert str(errorIndication) == "Unknown USM user"
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