00-locale-test.rb

require "bundler/inline"

gemfile do
  source "https://rubygems.org"
  gem "locale"
  gem "rackup"
end

require "locale/middleware"
require "rack/logger"

use Locale::Middleware
use Rack::Logger

run do |env|
  logger = env["rack.logger"]
  logger.info(sprintf("Thread.current[:current_request]=%p", Thread.current[:current_request]))
  logger.info(sprintf("Locale.driver_module.locales=%p", Locale.driver_module.locales))
  [200, {}, ["200 OK"]]
end

accept-language.md

Accept-Language is not used.

$ curl -H "Accept-Language: ja,en-US;q=0.9,en;q=0.8" http://localhost:9292/

I, [2024-03-18T09:31:34.505612 #84428]  INFO -- : Thread.current[:current_request]={:query_langs=>[nil], :cookie_langs=>[nil], :accept_language=>"ja,en-US;q=0.9,en;q=0.8", :accept_charset=>nil}
I, [2024-03-18T09:31:34.505804 #84428]  INFO -- : Locale.driver_module.locales="en"

query-parameter.md

Query parameter is used.

$ curl "http://localhost:9292?lang=ja"

I, [2024-03-18T09:32:42.490030 #84428]  INFO -- : Thread.current[:current_request]={:query_langs=>["ja"], :cookie_langs=>[nil], :accept_language=>nil, :accept_charset=>nil}
I, [2024-03-18T09:32:42.490111 #84428]  INFO -- : Locale.driver_module.locales="ja"