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import asyncio
from datetime import datetime
import pytest
from pysnmp.hlapi.v1arch.asyncio import *
from pysnmp.proto.errind import RequestTimedOut
from pysnmp.proto.rfc1905 import errorStatus as pysnmp_errorStatus
from pysnmp.smi import builder, compiler, view
from tests.agent_context import AGENT_PORT, AgentContextManager
@pytest.mark.asyncio
async def test_v1_get():
async with AgentContextManager():
with SnmpDispatcher() as snmpDispatcher:
iterator = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(("localhost", AGENT_PORT)),
("1.3.6.1.2.1.1.1.0", None),
)
errorIndication, errorStatus, errorIndex, varBinds = iterator
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 1
assert varBinds[0][0].prettyPrint() == "1.3.6.1.2.1.1.1.0"
assert varBinds[0][1].prettyPrint().startswith("PySNMP engine version")
name = pysnmp_errorStatus.namedValues.getName(errorStatus)
assert name == "noError"
@pytest.mark.asyncio
async def test_v1_get_ipv6():
async with AgentContextManager(enable_ipv6=True):
with SnmpDispatcher() as snmpDispatcher:
iterator = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await Udp6TransportTarget.create(("localhost", AGENT_PORT)),
("1.3.6.1.2.1.1.1.0", None),
)
errorIndication, errorStatus, errorIndex, varBinds = iterator
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 1
assert varBinds[0][0].prettyPrint() == "1.3.6.1.2.1.1.1.0"
assert varBinds[0][1].prettyPrint().startswith("PySNMP engine version")
name = pysnmp_errorStatus.namedValues.getName(errorStatus)
assert name == "noError"
@pytest.mark.asyncio
async def test_v1_get_timeout_invalid_target():
with SnmpDispatcher() as snmpDispatcher:
async def run_get():
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("community_string"),
await UdpTransportTarget.create(("1.2.3.4", 161), timeout=1, retries=0),
ObjectType(ObjectIdentity("1.3.6.1.4.1.60069.9.1.0")),
)
assert isinstance(errorIndication, RequestTimedOut)
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 0
start = datetime.now()
try:
await asyncio.wait_for(run_get(), timeout=3)
end = datetime.now()
elapsed_time = (end - start).total_seconds()
assert elapsed_time >= 1 and elapsed_time <= 3
except asyncio.TimeoutError:
assert False, "Test case timed out"
@pytest.mark.asyncio
async def test_v1_get_timeout_slow_object():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
async def run_get():
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("localhost", AGENT_PORT), timeout=1, retries=0
),
ObjectType(ObjectIdentity("1.3.6.1.4.1.60069.9.1.0")),
)
for varBind in varBinds:
print([str(varBind[0]), varBind[1]])
start = datetime.now()
try:
await asyncio.wait_for(run_get(), timeout=3)
end = datetime.now()
elapsed_time = (end - start).total_seconds()
assert elapsed_time >= 1 and elapsed_time <= 3
except asyncio.TimeoutError:
assert False, "Test case timed out"
@pytest.mark.asyncio
async def test_v1_get_no_access_object():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("localhost", AGENT_PORT), timeout=1, retries=0
),
ObjectType(ObjectIdentity("1.3.6.1.4.1.60069.9.3")),
)
assert errorIndication is None
assert (
errorStatus.prettyPrint() == "noSuchName"
) # v1 does not have noAccess
@pytest.mark.asyncio
async def test_v1_get_dateandtime_object():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
# Step 1: Set up MIB builder and add custom MIB directory
mibBuilder = builder.MibBuilder()
compiler.addMibCompiler(mibBuilder)
mibViewController = view.MibViewController(mibBuilder)
# Load the custom MIB
mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
snmpDispatcher.cache["mibViewController"] = mibViewController
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("localhost", AGENT_PORT), timeout=1, retries=0
),
ObjectType(
ObjectIdentity("LEXTUDIO-TEST-MIB", "testDateAndTime", 0)
), # "1.3.6.1.4.1.60069.9.5.0"
)
assert errorIndication is None
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 1
assert (
varBinds[0][0].prettyPrint() == "LEXTUDIO-TEST-MIB::testDateAndTime.0"
)
assert (
varBinds[0][1].prettyPrint() == "2024-11-3,19:52:40.0,+0:0"
) # IMPORTANT: test DateAndTime display hint.
@pytest.mark.asyncio
async def test_v1_get_physaddress_object():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
# Step 1: Set up MIB builder and add custom MIB directory
mibBuilder = builder.MibBuilder()
compiler.addMibCompiler(mibBuilder)
mibViewController = view.MibViewController(mibBuilder)
# Load the custom MIB
mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
snmpDispatcher.cache["mibViewController"] = mibViewController
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("localhost", AGENT_PORT), timeout=1, retries=0
),
ObjectType(
ObjectIdentity("LEXTUDIO-TEST-MIB", "testPhysAddress", 0)
), # "1.3.6.1.4.1.60069.9.6.0"
)
assert errorIndication is None
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 1
assert (
varBinds[0][0].prettyPrint() == "LEXTUDIO-TEST-MIB::testPhysAddress.0"
)
assert (
varBinds[0][1].prettyPrint() == "00:11:22:33:44:55"
) # IMPORTANT: test PhysAddress display hint.
@pytest.mark.asyncio
async def test_v1_get_scaled_integer_object():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
# Step 1: Set up MIB builder and add custom MIB directory
mibBuilder = builder.MibBuilder()
compiler.addMibCompiler(mibBuilder)
mibViewController = view.MibViewController(mibBuilder)
# Load the custom MIB
mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
snmpDispatcher.cache["mibViewController"] = mibViewController
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("localhost", AGENT_PORT), timeout=1, retries=0
),
ObjectType(
ObjectIdentity("LEXTUDIO-TEST-MIB", "testScaledInteger", 0)
), # "1.3.6.1.4.1.60069.9.7.0"
)
assert errorIndication is None
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 1
assert (
varBinds[0][0].prettyPrint() == "LEXTUDIO-TEST-MIB::testScaledInteger.0"
)
assert (
varBinds[0][1].prettyPrint() == "5.0"
) # IMPORTANT: test display hint "d-1".
@pytest.mark.asyncio
async def test_v1_get_scaled_unsigned_object():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
# Step 1: Set up MIB builder and add custom MIB directory
mibBuilder = builder.MibBuilder()
compiler.addMibCompiler(mibBuilder)
mibViewController = view.MibViewController(mibBuilder)
# Load the custom MIB
mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
snmpDispatcher.cache["mibViewController"] = mibViewController
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("localhost", AGENT_PORT), timeout=1, retries=0
),
ObjectType(
ObjectIdentity("LEXTUDIO-TEST-MIB", "testScaledUnsigned", 0)
), # "1.3.6.1.4.1.60069.9.8.0"
)
assert errorIndication is None
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 1
assert (
varBinds[0][0].prettyPrint()
== "LEXTUDIO-TEST-MIB::testScaledUnsigned.0"
)
assert (
varBinds[0][1].prettyPrint() == "0.5" # GitHub issue #139
) # IMPORTANT: test display hint "d-1".
@pytest.mark.asyncio
async def test_v1_get_multiple_objects():
async with AgentContextManager(enable_custom_objects=True):
with SnmpDispatcher() as snmpDispatcher:
# # Step 1: Set up MIB builder and add custom MIB directory
# mibBuilder = builder.MibBuilder()
# compiler.addMibCompiler(mibBuilder)
# mibViewController = view.MibViewController(mibBuilder)
# # Load the custom MIB
# mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
# snmpDispatcher.cache["mibViewController"] = mibViewController
netiftable = [
ObjectIdentity("IF-MIB", "ifDescr", 1),
ObjectIdentity("IF-MIB", "ifDescr", 2),
]
errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
snmpDispatcher,
CommunityData("public", mpModel=0),
await UdpTransportTarget.create(
("demo.pysnmp.com", 161), timeout=1, retries=0
),
*[ObjectType(x) for x in netiftable],
)
assert errorIndication is None
assert errorIndication is None
assert errorStatus == 0
assert errorIndex == 0
assert len(varBinds) == 2
assert varBinds[0][1].prettyPrint() != varBinds[1][1].prettyPrint()
|
