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require 'test_helper'
#
# Test how we handle redirections and locales.
#
# The basic rules are:
#
# (1) If the browser header Accept-Language matches default locale, then don't do a locale prefix.
# (2) If browser locale is supported in available_locales, but is not the default, then redirect.
# (3) If browser locale is not in available_locales, use the default locale with no prefix.
#
# Settings in defaults.yml
#
# default_locale: :en
# available_locales:
# - :en
# - :de
#
# NOTE: Although the browser sends the header Accept-Language, this is parsed by
# ruby as HTTP_ACCEPT_LANGUAGE
#
class LocalePathTest < ActionDispatch::IntegrationTest
teardown do
I18n.locale = 'en'
end
test "redirect if accept-language is not default locale" do
get_via_redirect '/', {}, 'HTTP_ACCEPT_LANGUAGE' => 'de'
assert_equal '/de', path
assert_equal({:locale => :de}, default_url_options)
end
test "no locale prefix" do
get_via_redirect '/', {}, 'HTTP_ACCEPT_LANGUAGE' => 'en'
assert_equal '/', path
assert_equal({:locale => nil}, default_url_options)
get_via_redirect '/', {}, 'HTTP_ACCEPT_LANGUAGE' => 'pt'
assert_equal '/', path
assert_equal({:locale => nil}, default_url_options)
end
test "no redirect if locale explicit" do
get_via_redirect '/de', {}, 'HTTP_ACCEPT_LANGUAGE' => 'en'
assert_equal '/de', path
assert_equal({:locale => :de}, default_url_options)
end
test "strip prefix from url options if locale is default" do
get_via_redirect '/en', {}, 'HTTP_ACCEPT_LANGUAGE' => 'en'
assert_equal '/en', path
assert_equal({:locale => nil}, default_url_options)
end
protected
def default_url_options
@controller.send(:default_url_options)
end
end
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