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import math
import pytest
from pysnmp.hlapi.v1arch.asyncio import *
from tests.agent_context import AGENT_PORT, AgentContextManager
total_count = 68
@pytest.mark.asyncio
@pytest.mark.parametrize("max_repetitions", [1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30])
async def test_v2c_get_table_bulk(max_repetitions):
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysObjectID.0"
errorIndication, errorStatus, errorIndex, varBinds = objects_list[1]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
# assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysName.0"
assert len(objects_list) == math.ceil(total_count / max_repetitions)
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_4_subtree():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
index = 0
async for (
errorIndication,
errorStatus,
errorIndex,
varBinds,
) in bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
await UdpTransportTarget.create(("localhost", AGENT_PORT)),
0,
4,
ObjectType(ObjectIdentity("SNMPv2-MIB", "snmp")),
lexicographicMode=False,
):
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == 4
if index == 0:
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpInPkts.0"
if index == 1:
assert (
varBinds[0][0].prettyPrint()
== "SNMPv2-MIB::snmpInBadCommunityUses.0"
)
if index == 26:
assert (
varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpSilentDrops.0"
)
if index == 27:
assert (
varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpProxyDrops.0"
)
index += 1
assert index == 7
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_1_subtree():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
index = 0
async for (
errorIndication,
errorStatus,
errorIndex,
varBinds,
) in bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
await UdpTransportTarget.create(("localhost", AGENT_PORT)),
0,
1,
ObjectType(ObjectIdentity("SNMPv2-MIB", "snmp")),
lexicographicMode=False,
):
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == 1
if index == 0:
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpInPkts.0"
if index == 1:
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpOutPkts.0"
if index == 26:
assert (
varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpSilentDrops.0"
)
if index == 27:
assert (
varBinds[0][0].prettyPrint() == "SNMPv2-MIB::snmpProxyDrops.0"
)
index += 1
assert index == 28
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_7():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
max_repetitions = 7
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysObjectID.0"
errorIndication, errorStatus, errorIndex, varBinds = objects_list[1]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
# assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysName.0"
assert len(objects_list) == math.ceil(total_count / max_repetitions)
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_8():
with SnmpDispatcher() as snmpDispatcher:
max_repetitions = 8
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysObjectID.0"
errorIndication, errorStatus, errorIndex, varBinds = objects_list[1]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
# assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysName.0"
assert len(objects_list) == math.ceil(total_count / max_repetitions)
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_35():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
max_repetitions = 35 # 68/2 + 1
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysObjectID.0"
errorIndication, errorStatus, errorIndex, varBinds = objects_list[1]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == total_count - max_repetitions
# assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysName.0"
assert len(objects_list) == math.ceil(total_count / max_repetitions)
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_60():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
max_repetitions = 60
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysObjectID.0"
assert len(objects_list) == math.ceil(total_count / max_repetitions)
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_5_subtree():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
max_repetitions = 5
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "system")),
lexicographicMode=False,
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysDescr.0"
errorIndication, errorStatus, errorIndex, varBinds = objects_list[3]
assert len(varBinds) == 1
assert len(objects_list) == 4
@pytest.mark.asyncio
async def test_v2c_get_table_bulk_0_6_subtree():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
max_repetitions = 6
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
# await UdpTransportTarget.create(("localhost", AGENT_PORT)),
await UdpTransportTarget.create(("demo.pysnmp.com", 161)),
0,
max_repetitions,
ObjectType(ObjectIdentity("SNMPv2-MIB", "system")),
lexicographicMode=False,
)
objects_list = [obj async for obj in objects]
errorIndication, errorStatus, errorIndex, varBinds = objects_list[0]
assert errorIndication is None
assert errorStatus == 0
assert len(varBinds) == max_repetitions
assert varBinds[0][0].prettyPrint() == "SNMPv2-MIB::sysDescr.0"
errorIndication, errorStatus, errorIndex, varBinds = objects_list[2]
assert len(varBinds) == 4
assert len(objects_list) == 3
@pytest.mark.asyncio
async def test_bulk_walk_lookupmib_true():
"""
Test that bulk_walk_cmd() works correctly with lookupMib=True.
This tests the default behavior.
"""
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
count = 0
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
await UdpTransportTarget.create(("localhost", AGENT_PORT)),
0,
1, # Small max_repetitions to ensure multiple queries
ObjectType(ObjectIdentity("SNMPv2-MIB", "system")),
lookupMib=True,
)
# This should work fine
async for errorIndication, errorStatus, errorIndex, varBinds in objects:
assert errorIndication is None, (
f"Error with lookupMib=True: {errorIndication}"
)
count += 1
if count >= 5: # Process at least some responses
break
assert count > 0, "No lookupMib=True responses processed"
@pytest.mark.asyncio
async def test_bulk_walk_lookupmib_false():
"""
Test that bulk_walk_cmd() works correctly with lookupMib=False.
Previously this might have failed because when lookupMib=False, the unmake_varbinds() helper
function returns plain ObjectName objects instead of ObjectIdentity objects,
which would cause a type mismatch when creating the next query.
This test confirms the v1arch implementation correctly handles lookupMib=False.
"""
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
count = 0
objects = bulk_walk_cmd(
snmpDispatcher,
CommunityData("public"),
await UdpTransportTarget.create(("localhost", AGENT_PORT)),
0,
1, # Small max_repetitions to ensure multiple queries
ObjectType(ObjectIdentity("SNMPv2-MIB", "system")),
lookupMib=False,
)
# This should work correctly
async for errorIndication, errorStatus, errorIndex, varBinds in objects:
assert errorIndication is None, (
f"Error with lookupMib=False: {errorIndication}"
)
count += 1
if count >= 5: # Process at least some responses to confirm it works
break
# We should be able to process multiple responses without error
assert count > 0, "No responses processed with lookupMib=False"
assert count >= 2, "Expected multiple responses with lookupMib=False"
|
