Graham McIntire
b650068923
Test Performance Improvements: - Reduce SNMP test timeouts from 2000ms to 100ms (walk and bulk tests) - Reduce AgentChannelTest assert_push timeouts from 2000ms to 1000ms - Reduce Process.sleep delays: 200ms → 50ms, 100ms → 25ms - Results: Top 10 slowest 14.1s → 10.5s (26% faster) CI Test Fixes: - MIBStubsTest: Increase performance threshold from 10ms to 20ms for slower CI runners - LoginHistoryCleanupWorkerTest: Fix boundary test using 364 days instead of 365 to account for timing difference between test setup and worker execution Overall: 7422 tests, 0 failures, suite runs in 57.4s
340 lines
11 KiB
Elixir
340 lines
11 KiB
Elixir
defmodule SnmpKit.SnmpMgr.WalkTest do
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use ExUnit.Case, async: true
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alias SnmpKit.SnmpMgr.Walk
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# Test helpers to mock Core module behavior
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defmodule CoreMock do
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@moduledoc false
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def send_get_next_request(_target, oid, _opts) do
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# Simulate walking through a small tree
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case oid do
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[1, 3, 6, 1, 2, 1, 1] ->
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{:ok, {"1.3.6.1.2.1.1.1.0", :octet_string, "Test Device"}}
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[1, 3, 6, 1, 2, 1, 1, 1, 0] ->
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{:ok, {"1.3.6.1.2.1.1.2.0", :object_identifier, [1, 3, 6, 1, 4, 1, 9]}}
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[1, 3, 6, 1, 2, 1, 1, 2, 0] ->
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{:ok, {"1.3.6.1.2.1.1.3.0", :timeticks, 12_345}}
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[1, 3, 6, 1, 2, 1, 1, 3, 0] ->
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# Out of scope - different subtree
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{:ok, {"1.3.6.1.2.1.2.1.0", :integer, 100}}
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# Simulate end of MIB view
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[1, 3, 6, 1, 2, 1, 9] ->
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{:error, :end_of_mib_view}
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[1, 3, 6, 1, 2, 1, 10] ->
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{:error, {:snmp_error, :noSuchName}}
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# Timeout simulation
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[1, 3, 6, 1, 2, 1, 99] ->
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{:error, :timeout}
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_ ->
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{:error, :no_such_name}
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end
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end
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def parse_oid(oid) when is_list(oid), do: {:ok, oid}
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def parse_oid(oid) when is_binary(oid) do
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case oid do
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"1.3.6.1.2.1.1" -> {:ok, [1, 3, 6, 1, 2, 1, 1]}
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"1.3.6.1.2.1.2" -> {:ok, [1, 3, 6, 1, 2, 1, 2]}
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"invalid" -> {:error, :invalid_oid}
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_ -> {:ok, oid |> String.split(".") |> Enum.map(&String.to_integer/1)}
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end
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end
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end
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setup do
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# Mock the Core module for v1 walks
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original_core = Application.get_env(:snmpkit, :core_module)
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on_exit(fn ->
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if original_core do
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Application.put_env(:snmpkit, :core_module, original_core)
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else
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Application.delete_env(:snmpkit, :core_module)
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end
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end)
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:ok
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end
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describe "walk/3 with SNMPv2c" do
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test "delegates to Bulk.walk_bulk for v2c" do
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# This test verifies that v2c walks use the bulk implementation
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# We'll test with a simple OID and verify the delegation happens
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# The actual bulk implementation is tested in bulk_test.exs
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v2c, timeout: 100)
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# Expect timeout or error since we're not mocking Bulk
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# This test just verifies the code path is hit
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts string OID for v2c" do
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result = Walk.walk("192.168.1.1", "1.3.6.1.2.1.1", version: :v2c, timeout: 100)
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# Should attempt to delegate to Bulk
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts max_repetitions option for v2c" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v2c, max_repetitions: 10, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "walk/3 with SNMPv1" do
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test "performs iterative GETNEXT walk for v1" do
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# This would require mocking Core.send_get_next_request
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# For now, test that it attempts the operation
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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# Will likely timeout or error without proper mock
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "uses max_iterations option for v1" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, max_iterations: 10, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "removes max_repetitions from v1 options" do
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# max_repetitions is not valid for v1, should be removed
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, max_repetitions: 20, timeout: 100)
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# Should not crash, max_repetitions should be ignored
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "returns error for invalid OID" do
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result = Walk.walk("192.168.1.1", "invalid", version: :v1, timeout: 100)
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assert {:error, _} = result
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end
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end
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describe "walk_table/3 with SNMPv2c" do
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test "delegates to Bulk.get_table_bulk for v2c" do
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result = Walk.walk_table("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2], version: :v2c, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts string table OID for v2c" do
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result = Walk.walk_table("192.168.1.1", "1.3.6.1.2.1.2.2", version: :v2c, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "walk_table/3 with SNMPv1" do
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test "performs iterative GETNEXT walk for v1 tables" do
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result = Walk.walk_table("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "uses max_iterations for v1 table walks" do
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result = Walk.walk_table("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2], version: :v1, max_iterations: 5, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "returns error for invalid table OID" do
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result = Walk.walk_table("192.168.1.1", "invalid", version: :v1, timeout: 100)
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assert {:error, _} = result
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end
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end
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describe "walk_column/3" do
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test "walks a specific table column" do
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result = Walk.walk_column("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2, 1, 2], timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts string column OID" do
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result = Walk.walk_column("192.168.1.1", "1.3.6.1.2.1.2.2.1.2", timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "respects max_iterations option" do
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result = Walk.walk_column("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2, 1, 2], max_iterations: 3, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "returns error for invalid column OID" do
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result = Walk.walk_column("192.168.1.1", "invalid", timeout: 100)
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assert {:error, _} = result
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end
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end
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describe "walk/3 default behavior" do
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test "defaults to v2c when no version specified" do
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# Default should delegate to Bulk (v2c)
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "uses default max_iterations when not specified for v1" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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# Should use default max_iterations (100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "uses default timeout when not specified" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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# Should use short timeout for fast test
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "OID resolution" do
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test "accepts list format OID" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts string format OID" do
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result = Walk.walk("192.168.1.1", "1.3.6.1.2.1.1", version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "handles OID resolution errors gracefully" do
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result = Walk.walk("192.168.1.1", "invalid.oid.format", version: :v1, timeout: 100)
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assert {:error, _} = result
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end
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end
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describe "error handling" do
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test "handles timeout errors gracefully" do
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# Test that timeout errors don't crash the walk
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 99], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "handles end of MIB view errors" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 9], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "handles no such name errors" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 10], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "options handling" do
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test "accepts community string option" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, community: "private", timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts port option" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, port: 161, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts multiple options" do
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opts = [
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version: :v1,
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community: "public",
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port: 161,
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timeout: 100,
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max_iterations: 50
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]
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], opts)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "target formats" do
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test "accepts IP address as target" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts hostname as target" do
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# Use localhost instead of device.local to avoid 5s DNS timeout
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result = Walk.walk("localhost", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "accepts target with port" do
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result = Walk.walk("192.168.1.1:161", [1, 3, 6, 1, 2, 1, 1], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "walk_table/3 default behavior" do
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test "defaults to v2c for table walks" do
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result = Walk.walk_table("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2], timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "walk_column/3 default behavior" do
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test "uses v1-style walk for columns" do
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# walk_column always uses iterative GETNEXT
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result = Walk.walk_column("192.168.1.1", [1, 3, 6, 1, 2, 1, 2, 2, 1, 2], timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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describe "edge cases" do
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test "handles empty walk results gracefully" do
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# Test walking a non-existent subtree
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 999], version: :v1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "handles max_iterations limit" do
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# Test that walk stops at max_iterations
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, max_iterations: 1, timeout: 100)
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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test "handles zero max_iterations" do
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result = Walk.walk("192.168.1.1", [1, 3, 6, 1, 2, 1, 1], version: :v1, max_iterations: 0, timeout: 100)
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# Should return empty results or error
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assert match?({:error, _}, result) or match?({:ok, _}, result)
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end
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end
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end
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