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# encoding: utf-8
$:.unshift(File.expand_path(File.dirname(__FILE__) + '/../')); $:.uniq!
require 'test_helper'
begin
require 'active_support'
rescue LoadError
$stderr.puts "Skipping cache tests using ActiveSupport"
else
class I18nBackendCacheTest < Test::Unit::TestCase
class Backend < I18n::Backend::Simple
include I18n::Backend::Cache
end
def setup
I18n.backend = Backend.new
super
I18n.cache_store = ActiveSupport::Cache.lookup_store(:memory_store)
end
def teardown
I18n.cache_store = nil
end
test "it uses the cache" do
assert I18n.cache_store.is_a?(ActiveSupport::Cache::MemoryStore)
end
with_mocha do
test "translate hits the backend and caches the response" do
I18n.backend.expects(:lookup).returns('Foo')
assert_equal 'Foo', I18n.t(:foo)
I18n.backend.expects(:lookup).never
assert_equal 'Foo', I18n.t(:foo)
I18n.backend.expects(:lookup).returns('Bar')
assert_equal 'Bar', I18n.t(:bar)
end
test "still raises MissingTranslationData but also caches it" do
I18n.backend.expects(:lookup).returns(nil)
assert_raise(I18n::MissingTranslationData) { I18n.t(:missing, :raise => true) }
I18n.backend.expects(:lookup).never
assert_raise(I18n::MissingTranslationData) { I18n.t(:missing, :raise => true) }
end
end
test "uses 'i18n' as a cache key namespace by default" do
assert_equal 0, I18n.backend.send(:cache_key, :foo).index('i18n')
end
test "adds a custom cache key namespace" do
with_cache_namespace('bar') do
assert_equal 0, I18n.backend.send(:cache_key, :foo).index('i18n-bar')
end
end
protected
def with_cache_namespace(namespace)
I18n.cache_namespace = namespace
yield
I18n.cache_namespace = nil
end
end
end # AS cache check
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