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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 SetParameterCommandTest do
use ExUnit.Case, async: false
import TestHelper
@command RabbitMQ.CLI.Ctl.Commands.SetParameterCommand
@vhost "test1"
@root "/"
@component_name "federation-upstream"
@key "reconnect-delay"
@value "{\"uri\":\"amqp://127.0.0.1:5672\"}"
setup_all do
RabbitMQ.CLI.Core.Distribution.start()
add_vhost @vhost
enable_federation_plugin()
on_exit([], fn ->
delete_vhost @vhost
end)
# featured in a definitions file imported by other tests
clear_parameter("/", "federation-upstream", "up-1")
:ok
end
setup context do
on_exit(context, fn ->
clear_parameter context[:vhost], context[:component_name], context[:key]
end)
{
:ok,
opts: %{
node: get_rabbit_hostname(),
vhost: context[:vhost]
}
}
end
@tag component_name: @component_name, key: @key, value: @value, vhost: @root
test "merge_defaults: a well-formed command with no vhost runs against the default" do
assert match?({_, %{vhost: "/"}}, @command.merge_defaults([], %{}))
assert match?({_, %{vhost: "non_default"}}, @command.merge_defaults([], %{vhost: "non_default"}))
end
test "validate: wrong number of arguments leads to an arg count error" do
assert @command.validate([], %{}) == {:validation_failure, :not_enough_args}
assert @command.validate(["insufficient"], %{}) == {:validation_failure, :not_enough_args}
assert @command.validate(["not", "enough"], %{}) == {:validation_failure, :not_enough_args}
assert @command.validate(["this", "is", "too", "many"], %{}) == {:validation_failure, :too_many_args}
end
@tag component_name: @component_name, key: @key, value: @value, vhost: @vhost
test "run: a well-formed, host-specific command returns okay", context do
vhost_opts = Map.merge(context[:opts], %{vhost: context[:vhost]})
assert @command.run(
[context[:component_name], context[:key], context[:value]],
vhost_opts
) == :ok
assert_parameter_fields(context)
end
test "run: throws a badrpc when instructed to contact an unreachable RabbitMQ node" do
opts = %{node: :jake@thedog, vhost: "/", timeout: 200}
assert match?({:badrpc, _}, @command.run([@component_name, @key, @value], opts))
end
@tag component_name: "bad-component-name", key: @key, value: @value, vhost: @root
test "run: an invalid component_name returns a validation failed error", context do
assert @command.run(
[context[:component_name], context[:key], context[:value]],
context[:opts]
) == {:error_string, 'Validation failed\n\ncomponent #{context[:component_name]} not found\n'}
assert list_parameters(context[:vhost]) == []
end
@tag component_name: @component_name, key: @key, value: @value, vhost: "bad-vhost"
test "run: an invalid vhost returns a no-such-vhost error", context do
vhost_opts = Map.merge(context[:opts], %{vhost: context[:vhost]})
assert @command.run(
[context[:component_name], context[:key], context[:value]],
vhost_opts
) == {:error, {:no_such_vhost, context[:vhost]}}
end
@tag component_name: @component_name, key: @key, value: "bad-value", vhost: @root
test "run: an invalid value returns a JSON decoding error", context do
assert match?({:error_string, _},
@command.run([context[:component_name], context[:key], context[:value]],
context[:opts]))
assert list_parameters(context[:vhost]) == []
end
@tag component_name: @component_name, key: @key, value: "{}", vhost: @root
test "run: an empty JSON object value returns a key \"uri\" not found error", context do
assert @command.run(
[context[:component_name], context[:key], context[:value]],
context[:opts]
) == {:error_string, 'Validation failed\n\nKey "uri" not found in reconnect-delay\n'}
assert list_parameters(context[:vhost]) == []
end
@tag component_name: @component_name, key: @key, value: @value, vhost: @vhost
test "banner", context do
vhost_opts = Map.merge(context[:opts], %{vhost: context[:vhost]})
assert @command.banner([context[:component_name], context[:key], context[:value]], vhost_opts)
=~ ~r/Setting runtime parameter \"#{context[:key]}\" for component \"#{context[:component_name]}\" to \"#{context[:value]}\" in vhost \"#{context[:vhost]}\" \.\.\./
end
# Checks each element of the first parameter against the expected context values
defp assert_parameter_fields(context) do
result_param = context[:vhost] |> list_parameters |> List.first
assert result_param[:value] == context[:value]
assert result_param[:component] == context[:component_name]
assert result_param[:name] == context[:key]
end
end
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