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## This Source Code Form is subject to the terms of the Mozilla Public
## License, v. 2.0. If a copy of the MPL was not distributed with this
## file, You can obtain one at https://mozilla.org/MPL/2.0/.
##
## Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
defmodule CheckAlarmsCommandTest do
use ExUnit.Case, async: false
import TestHelper
import RabbitMQ.CLI.Core.Alarms, only: [alarm_types: 1]
@command RabbitMQ.CLI.Diagnostics.Commands.CheckAlarmsCommand
setup_all do
RabbitMQ.CLI.Core.Distribution.start()
start_rabbitmq_app()
on_exit([], fn ->
start_rabbitmq_app()
end)
:ok
end
setup context do
{:ok, opts: %{
node: get_rabbit_hostname(),
timeout: context[:test_timeout] || 30000
}}
end
test "merge_defaults: nothing to do" do
assert @command.merge_defaults([], %{}) == {[], %{}}
end
test "validate: treats positional arguments as a failure" do
assert @command.validate(["extra-arg"], %{}) == {:validation_failure, :too_many_args}
end
test "validate: treats empty positional arguments and default switches as a success" do
assert @command.validate([], %{}) == :ok
end
@tag test_timeout: 3000
test "run: targeting an unreachable node throws a badrpc", context do
assert match?({:badrpc, _}, @command.run([], Map.merge(context[:opts], %{node: :jake@thedog})))
end
test "run: when target node has no alarms in effect, returns an empty list", context do
assert [] == status()[:alarms]
assert @command.run([], context[:opts]) == []
end
test "run: when target node has an alarm in effect, returns it", context do
old_watermark = status()[:vm_memory_high_watermark]
on_exit(fn() ->
set_vm_memory_high_watermark(old_watermark)
end)
# 2000 bytes will trigger an alarm
set_vm_memory_high_watermark({:absolute, 2000})
assert [:memory] == alarm_types(status()[:alarms])
assert length(@command.run([], context[:opts])) == 1
set_vm_memory_high_watermark(old_watermark)
end
test "output: when target node has no alarms in effect, returns a success", context do
assert [] == status()[:alarms]
assert match?({:ok, _}, @command.output([], context[:opts]))
end
test "output: when target node has an alarm in effect, returns a failure", context do
for input <- [
[
:file_descriptor_limit
],
[
:file_descriptor_limit,
{{:resource_limit, :disk, :hare@warp10}, []}
],
[
:file_descriptor_limit,
{{:resource_limit, :disk, :hare@warp10}, []},
{{:resource_limit, :memory, :hare@warp10}, []},
{{:resource_limit, :disk, :rabbit@warp10}, []},
{{:resource_limit, :memory, :rabbit@warp10}, []}
]
] do
assert match?({:error, _, _}, @command.output(input, context[:opts]))
end
end
test "output: when target node has an alarm in effect and --silent is passed, returns a silent failure", _context do
for input <- [
[
:file_descriptor_limit
],
[
:file_descriptor_limit,
{{:resource_limit, :disk, :hare@warp10}, []}
],
[
:file_descriptor_limit,
{{:resource_limit, :disk, :hare@warp10}, []},
{{:resource_limit, :memory, :hare@warp10}, []},
{{:resource_limit, :disk, :rabbit@warp10}, []},
{{:resource_limit, :memory, :rabbit@warp10}, []}
]
] do
assert {:error, :check_failed} == @command.output(input, %{silent: true})
end
end
end
|
