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## The contents of this file are subject to the Mozilla Public License
## Version 1.1 (the "License"); you may not use this file except in
## compliance with the License. You may obtain a copy of the License
## at https://www.mozilla.org/MPL/
##
## Software distributed under the License is distributed on an "AS IS"
## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
## the License for the specific language governing rights and
## limitations under the License.
##
## The Original Code is RabbitMQ.
##
## The Initial Developer of the Original Code is GoPivotal, Inc.
## Copyright (c) 2007-2019 Pivotal Software, Inc. All rights reserved.
defmodule CheckLocalAlarmsCommandTest do
use ExUnit.Case
import TestHelper
import RabbitMQ.CLI.Core.Alarms, only: [alarm_types: 1]
@command RabbitMQ.CLI.Diagnostics.Commands.CheckLocalAlarmsCommand
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 a local 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 local alarms in effect, returns a success", context do
assert [] == status()[:alarms]
assert match?({:ok, _}, @command.output([], context[:opts]))
end
# note: it's run/2 that filters out non-local alarms
test "output: when target node has a local alarm in effect, returns a failure", context do
for input <- [
[
:file_descriptor_limit
],
[
:file_descriptor_limit,
{{:resource_limit, :disk, get_rabbit_hostname()}, []},
{{:resource_limit, :memory, get_rabbit_hostname()}, []}
]
] do
assert match?({:error, _}, @command.output(input, context[:opts]))
end
end
# note: it's run/2 that filters out non-local alarms
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, get_rabbit_hostname()}, []},
{{:resource_limit, :memory, get_rabbit_hostname()}, []}
]
] do
assert {:error, :check_failed} == @command.output(input, %{silent: true})
end
end
end
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