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# encoding: utf-8
$:.unshift(File.expand_path(File.dirname(__FILE__) + '/../')); $:.uniq!
require 'test_helper'
class I18nBackendChainTest < Test::Unit::TestCase
def setup
@first = backend(:en => {
:foo => 'Foo', :formats => { :short => 'short' }, :plural_1 => { :one => '%{count}' }
})
@second = backend(:en => {
:bar => 'Bar', :formats => { :long => 'long' }, :plural_2 => { :one => 'one' }
})
@chain = I18n.backend = I18n::Backend::Chain.new(@first, @second)
end
test "looks up translations from the first chained backend" do
assert_equal 'Foo', @first.send(:translations)[:en][:foo]
assert_equal 'Foo', I18n.t(:foo)
end
test "looks up translations from the second chained backend" do
assert_equal 'Bar', @second.send(:translations)[:en][:bar]
assert_equal 'Bar', I18n.t(:bar)
end
test "defaults only apply to lookups on the last backend in the chain" do
assert_equal 'Foo', I18n.t(:foo, :default => 'Bah')
assert_equal 'Bar', I18n.t(:bar, :default => 'Bah')
assert_equal 'Bah', I18n.t(:bah, :default => 'Bah') # default kicks in only here
end
test "default" do
assert_equal 'Fuh', I18n.t(:default => 'Fuh')
assert_equal 'Zero', I18n.t(:default => { :zero => 'Zero' }, :count => 0)
assert_equal({ :zero => 'Zero' }, I18n.t(:default => { :zero => 'Zero' }))
assert_equal 'Foo', I18n.t(:default => :foo)
end
test "namespace lookup collects results from all backends" do
assert_equal({ :short => 'short', :long => 'long' }, I18n.t(:formats))
end
test "namespace lookup with only the first backend returning a result" do
assert_equal({ :one => '%{count}' }, I18n.t(:plural_1))
end
test "pluralization still works" do
assert_equal '1', I18n.t(:plural_1, :count => 1)
assert_equal 'one', I18n.t(:plural_2, :count => 1)
end
test "bulk lookup collects results from all backends" do
assert_equal ['Foo', 'Bar'], I18n.t([:foo, :bar])
end
protected
def backend(translations)
backend = I18n::Backend::Simple.new
translations.each { |locale, translations| backend.store_translations(locale, translations) }
backend
end
end
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