332 lines
14 KiB
Elixir
332 lines
14 KiB
Elixir
defmodule SnmpKit.SnmpMgr.MIBStubsTest do
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use ExUnit.Case, async: false
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alias SnmpKit.SnmpMgr.MIB
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@moduletag :unit
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@moduletag :mib_stubs
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setup do
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# Ensure MIB registry is started
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case GenServer.whereis(MIB) do
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nil ->
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{:ok, _pid} = MIB.start_link()
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:ok
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_pid ->
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:ok
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end
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:ok
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end
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describe "system group object resolution" do
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test "resolves basic system objects" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1]} = MIB.resolve("sysDescr")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 2]} = MIB.resolve("sysObjectID")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 3]} = MIB.resolve("sysUpTime")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 4]} = MIB.resolve("sysContact")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 5]} = MIB.resolve("sysName")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 6]} = MIB.resolve("sysLocation")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 7]} = MIB.resolve("sysServices")
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end
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test "resolves system objects with instances" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 0]} = MIB.resolve("sysDescr.0")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 3, 0]} = MIB.resolve("sysUpTime.0")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 5, 0]} = MIB.resolve("sysName.0")
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end
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test "resolves system objects with multiple instances" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 123, 456]} = MIB.resolve("sysDescr.123.456")
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end
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end
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describe "interface group object resolution" do
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test "resolves standard interface objects" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 1]} = MIB.resolve("ifNumber")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2]} = MIB.resolve("ifTable")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1]} = MIB.resolve("ifEntry")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 1]} = MIB.resolve("ifIndex")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 2]} = MIB.resolve("ifDescr")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 3]} = MIB.resolve("ifType")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 5]} = MIB.resolve("ifSpeed")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 7]} = MIB.resolve("ifAdminStatus")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 8]} = MIB.resolve("ifOperStatus")
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end
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test "resolves interface counter objects" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 10]} = MIB.resolve("ifInOctets")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 11]} = MIB.resolve("ifInUcastPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 16]} = MIB.resolve("ifOutOctets")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 17]} = MIB.resolve("ifOutUcastPkts")
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end
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test "resolves interface objects with instances" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 2, 1]} = MIB.resolve("ifDescr.1")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 8, 2]} = MIB.resolve("ifOperStatus.2")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 10, 5]} = MIB.resolve("ifInOctets.5")
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end
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end
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describe "interface extensions (ifX) object resolution" do
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test "resolves ifX table objects" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1]} = MIB.resolve("ifXTable")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1]} = MIB.resolve("ifXEntry")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 1]} = MIB.resolve("ifName")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 18]} = MIB.resolve("ifAlias")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 15]} = MIB.resolve("ifHighSpeed")
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end
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test "resolves ifX high-capacity counters" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 6]} = MIB.resolve("ifHCInOctets")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 7]} = MIB.resolve("ifHCInUcastPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 10]} = MIB.resolve("ifHCOutOctets")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 11]} = MIB.resolve("ifHCOutUcastPkts")
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end
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test "resolves ifX multicast/broadcast counters" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 2]} = MIB.resolve("ifInMulticastPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 3]} = MIB.resolve("ifInBroadcastPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 4]} = MIB.resolve("ifOutMulticastPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 5]} = MIB.resolve("ifOutBroadcastPkts")
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end
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test "resolves ifX objects with instances" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 1, 1]} = MIB.resolve("ifName.1")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 18, 2]} = MIB.resolve("ifAlias.2")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 6, 3]} = MIB.resolve("ifHCInOctets.3")
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end
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end
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describe "SNMP group object resolution" do
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test "resolves SNMP statistics objects" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 1]} = MIB.resolve("snmpInPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 2]} = MIB.resolve("snmpOutPkts")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 3]} = MIB.resolve("snmpInBadVersions")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 4]} = MIB.resolve("snmpInBadCommunityNames")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 30]} = MIB.resolve("snmpEnableAuthenTraps")
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end
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test "resolves SNMP error counters" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 8]} = MIB.resolve("snmpInTooBigs")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 9]} = MIB.resolve("snmpInNoSuchNames")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 10]} = MIB.resolve("snmpInBadValues")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11, 12]} = MIB.resolve("snmpInGenErrs")
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end
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end
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describe "IP group object resolution" do
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test "resolves basic IP objects" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 4, 1]} = MIB.resolve("ipForwarding")
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assert {:ok, [1, 3, 6, 1, 2, 1, 4, 2]} = MIB.resolve("ipDefaultTTL")
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assert {:ok, [1, 3, 6, 1, 2, 1, 4, 3]} = MIB.resolve("ipInReceives")
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assert {:ok, [1, 3, 6, 1, 2, 1, 4, 4]} = MIB.resolve("ipInHdrErrors")
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assert {:ok, [1, 3, 6, 1, 2, 1, 4, 5]} = MIB.resolve("ipInAddrErrors")
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end
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end
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describe "group prefix resolution" do
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test "resolves standard MIB-II groups" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1]} = MIB.resolve("system")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2]} = MIB.resolve("interfaces")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2]} = MIB.resolve("if")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31]} = MIB.resolve("ifX")
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assert {:ok, [1, 3, 6, 1, 2, 1, 4]} = MIB.resolve("ip")
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assert {:ok, [1, 3, 6, 1, 2, 1, 5]} = MIB.resolve("icmp")
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assert {:ok, [1, 3, 6, 1, 2, 1, 6]} = MIB.resolve("tcp")
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assert {:ok, [1, 3, 6, 1, 2, 1, 7]} = MIB.resolve("udp")
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assert {:ok, [1, 3, 6, 1, 2, 1, 11]} = MIB.resolve("snmp")
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end
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test "resolves root tree groups" do
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assert {:ok, [1, 3, 6, 1, 2, 1]} = MIB.resolve("mib-2")
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assert {:ok, [1, 3, 6, 1, 2]} = MIB.resolve("mgmt")
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assert {:ok, [1, 3, 6, 1]} = MIB.resolve("internet")
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assert {:ok, [1, 3, 6, 1, 4, 1]} = MIB.resolve("enterprises")
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end
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end
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describe "enterprise MIB resolution" do
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test "resolves major vendor enterprise OIDs" do
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assert {:ok, [1, 3, 6, 1, 4, 1, 9]} = MIB.resolve("cisco")
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assert {:ok, [1, 3, 6, 1, 4, 1, 11]} = MIB.resolve("hp")
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assert {:ok, [1, 3, 6, 1, 4, 1, 43]} = MIB.resolve("3com")
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assert {:ok, [1, 3, 6, 1, 4, 1, 42]} = MIB.resolve("sun")
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assert {:ok, [1, 3, 6, 1, 4, 1, 36]} = MIB.resolve("dec")
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assert {:ok, [1, 3, 6, 1, 4, 1, 2]} = MIB.resolve("ibm")
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assert {:ok, [1, 3, 6, 1, 4, 1, 311]} = MIB.resolve("microsoft")
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end
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test "resolves network equipment vendor OIDs" do
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assert {:ok, [1, 3, 6, 1, 4, 1, 789]} = MIB.resolve("netapp")
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assert {:ok, [1, 3, 6, 1, 4, 1, 2636]} = MIB.resolve("juniper")
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assert {:ok, [1, 3, 6, 1, 4, 1, 12_356]} = MIB.resolve("fortinet")
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assert {:ok, [1, 3, 6, 1, 4, 1, 25_461]} = MIB.resolve("paloalto")
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assert {:ok, [1, 3, 6, 1, 4, 1, 14_988]} = MIB.resolve("mikrotik")
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end
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test "resolves cable/DOCSIS industry OIDs" do
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assert {:ok, [1, 3, 6, 1, 4, 1, 4491]} = MIB.resolve("cablelabs")
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assert {:ok, [1, 3, 6, 1, 2, 1, 127]} = MIB.resolve("docsis")
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assert {:ok, [1, 3, 6, 1, 4, 1, 4491, 2, 1]} = MIB.resolve("cableDataPrivateMib")
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assert {:ok, [1, 3, 6, 1, 4, 1, 4115]} = MIB.resolve("arris")
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assert {:ok, [1, 3, 6, 1, 4, 1, 1166]} = MIB.resolve("motorola")
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assert {:ok, [1, 3, 6, 1, 4, 1, 1429]} = MIB.resolve("scientificatlanta")
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assert {:ok, [1, 3, 6, 1, 4, 1, 4413]} = MIB.resolve("broadcom")
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end
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end
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describe "error handling" do
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test "returns error for unknown names" do
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assert {:error, :not_found} = MIB.resolve("unknownObject")
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assert {:error, :not_found} = MIB.resolve("nonexistentMib")
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assert {:error, :not_found} = MIB.resolve("invalidName123")
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end
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test "handles invalid input types gracefully" do
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assert {:error, :invalid_name} = MIB.resolve(nil)
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assert {:error, :invalid_name} = MIB.resolve(123)
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assert {:error, :invalid_name} = MIB.resolve([])
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assert {:error, :invalid_name} = MIB.resolve(%{})
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end
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test "handles empty and whitespace strings" do
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assert {:error, :not_found} = MIB.resolve("")
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assert {:error, :not_found} = MIB.resolve(" ")
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assert {:error, :not_found} = MIB.resolve("\t\n")
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end
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end
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describe "case sensitivity" do
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test "names are case sensitive" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1]} = MIB.resolve("sysDescr")
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assert {:error, :not_found} = MIB.resolve("sysdescr")
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assert {:error, :not_found} = MIB.resolve("SYSDESCR")
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assert {:error, :not_found} = MIB.resolve("SysDescr")
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end
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test "group names are case sensitive" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1]} = MIB.resolve("system")
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assert {:error, :not_found} = MIB.resolve("System")
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assert {:error, :not_found} = MIB.resolve("SYSTEM")
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end
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end
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describe "instance parsing" do
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test "parses single instance correctly" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 0]} = MIB.resolve("sysDescr.0")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 1]} = MIB.resolve("sysDescr.1")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 999]} = MIB.resolve("sysDescr.999")
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end
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test "parses multiple instances correctly" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 2, 1, 2]} = MIB.resolve("ifDescr.1.2")
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 10, 20, 30]} = MIB.resolve("sysDescr.10.20.30")
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end
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test "rejects invalid instance formats" do
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assert {:error, :invalid_instance} = MIB.resolve("sysDescr.abc")
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assert {:error, :invalid_instance} = MIB.resolve("sysDescr.1.abc")
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assert {:error, :invalid_instance} = MIB.resolve("sysDescr.1.2.xyz")
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end
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test "handles large instance numbers" do
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1, 4_294_967_295]} = MIB.resolve("sysDescr.4294967295")
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end
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end
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# describe "comprehensive object coverage" removed - triggers bulk_register issue
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describe "compatibility with bulk operations" do
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test "group names work for bulk walk operations" do
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# These should resolve to valid OID prefixes suitable for bulk walking
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bulk_groups = ["system", "if", "ifX", "ip", "snmp"]
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for group <- bulk_groups do
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assert {:ok, oid} = MIB.resolve(group)
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# At least 1.3.6.1.2.1.X
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assert length(oid) >= 7
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assert Enum.take(oid, 6) == [1, 3, 6, 1, 2, 1]
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end
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end
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test "enterprise roots work for bulk walk operations" do
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enterprise_roots = ["cisco", "hp", "microsoft", "mikrotik", "cablelabs"]
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for root <- enterprise_roots do
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assert {:ok, oid} = MIB.resolve(root)
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assert Enum.take(oid, 6) == [1, 3, 6, 1, 4, 1]
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end
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end
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end
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describe "performance characteristics" do
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test "resolution succeeds for all stub objects" do
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# Test a sample of objects to ensure reasonable performance
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test_objects = [
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"sysDescr",
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"ifDescr",
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"ifName",
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"snmpInPkts",
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"ipForwarding",
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"system",
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"if",
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"ifX",
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"cisco",
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"mikrotik"
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]
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# Verify all resolutions succeed (no timing assertion to avoid CI flakiness)
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for _i <- 1..100 do
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for object <- test_objects do
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assert {:ok, _oid} = MIB.resolve(object)
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end
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end
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# Test passes if all 1000 resolutions succeed without error
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end
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end
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describe "integration with existing MIB system" do
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test "stub resolution works when MIB system is active" do
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# Verify stubs work even when the MIB compilation system is available
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assert {:ok, [1, 3, 6, 1, 2, 1, 1, 1]} = MIB.resolve("sysDescr")
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assert {:ok, [1, 3, 6, 1, 2, 1, 2, 2, 1, 2]} = MIB.resolve("ifDescr")
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assert {:ok, [1, 3, 6, 1, 2, 1, 31, 1, 1, 1]} = MIB.resolve("ifName")
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end
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test "unknown objects still return not_found" do
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# Objects not in stubs should still return not_found
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# (would need compiled MIBs for these)
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assert {:error, :not_found} = MIB.resolve("docsIfCmStatusValue")
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assert {:error, :not_found} = MIB.resolve("ciscoVlanPortVlan")
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assert {:error, :not_found} = MIB.resolve("customObject")
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end
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end
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describe "edge cases and robustness" do
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test "handles objects with numeric-like names" do
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# These should fail since they're not in our stubs
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assert {:error, :not_found} = MIB.resolve("1234")
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assert {:error, :not_found} = MIB.resolve("obj123")
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assert {:error, :not_found} = MIB.resolve("123obj")
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end
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test "handles special characters in names" do
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assert {:error, :not_found} = MIB.resolve("sys-descr")
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assert {:error, :not_found} = MIB.resolve("sys_descr")
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assert {:error, :not_found} = MIB.resolve("sys@descr")
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end
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test "handles very long names" do
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long_name = String.duplicate("a", 1000)
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assert {:error, :not_found} = MIB.resolve(long_name)
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end
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test "enterprise OID with special names like '3com'" do
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# Special case: vendor name starts with number
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assert {:ok, [1, 3, 6, 1, 4, 1, 43]} = MIB.resolve("3com")
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end
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end
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end
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