110 lines
3.2 KiB
Ruby
110 lines
3.2 KiB
Ruby
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require 'test_helper'
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require 'digest/md5'
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begin
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require 'active_support'
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rescue LoadError
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$stderr.puts "Skipping cache tests using ActiveSupport"
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else
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class I18nBackendCacheTest < I18n::TestCase
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class Backend < I18n::Backend::Simple
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include I18n::Backend::Cache
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end
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def setup
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I18n.backend = Backend.new
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super
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I18n.cache_store = ActiveSupport::Cache.lookup_store(:memory_store)
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I18n.cache_key_digest = nil
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end
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def teardown
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super
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I18n.cache_store = nil
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end
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test "it uses the cache" do
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assert I18n.cache_store.is_a?(ActiveSupport::Cache::MemoryStore)
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end
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test "translate hits the backend and caches the response" do
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I18n.backend.expects(:lookup).returns('Foo')
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assert_equal 'Foo', I18n.t(:foo)
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I18n.backend.expects(:lookup).never
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assert_equal 'Foo', I18n.t(:foo)
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I18n.backend.expects(:lookup).returns('Bar')
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assert_equal 'Bar', I18n.t(:bar)
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end
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test "translate returns a cached false response" do
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I18n.backend.expects(:lookup).never
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I18n.cache_store.expects(:read).returns(false)
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assert_equal false, I18n.t(:foo)
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end
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test "still raises MissingTranslationData but also caches it" do
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assert_raise(I18n::MissingTranslationData) { I18n.t(:missing, :raise => true) }
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assert_raise(I18n::MissingTranslationData) { I18n.t(:missing, :raise => true) }
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assert_equal 1, I18n.cache_store.instance_variable_get(:@data).size
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# I18n.backend.expects(:lookup).returns(nil)
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# assert_raise(I18n::MissingTranslationData) { I18n.t(:missing, :raise => true) }
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# I18n.backend.expects(:lookup).never
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# assert_raise(I18n::MissingTranslationData) { I18n.t(:missing, :raise => true) }
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end
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test "uses 'i18n' as a cache key namespace by default" do
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assert_equal 0, I18n.backend.send(:cache_key, :en, :foo, {}).index('i18n')
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end
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test "adds a custom cache key namespace" do
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with_cache_namespace('bar') do
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assert_equal 0, I18n.backend.send(:cache_key, :en, :foo, {}).index('i18n/bar/')
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end
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end
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test "adds locale and hash of key and hash of options" do
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options = { :bar=>1 }
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options_hash = RUBY_VERSION <= "1.9" ? options.inspect.hash : options.hash
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assert_equal "i18n//en/#{:foo.hash}/#{options_hash}", I18n.backend.send(:cache_key, :en, :foo, options)
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end
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test "cache_key uses configured digest method" do
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md5 = Digest::MD5.new
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options = { :bar=>1 }
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options_hash = options.inspect
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with_cache_key_digest(md5) do
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assert_equal "i18n//en/#{md5.hexdigest(:foo.to_s)}/#{md5.hexdigest(options_hash)}", I18n.backend.send(:cache_key, :en, :foo, options)
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end
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end
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test "keys should not be equal" do
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interpolation_values1 = { :foo => 1, :bar => 2 }
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interpolation_values2 = { :foo => 2, :bar => 1 }
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key1 = I18n.backend.send(:cache_key, :en, :some_key, interpolation_values1)
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key2 = I18n.backend.send(:cache_key, :en, :some_key, interpolation_values2)
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assert key1 != key2
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end
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protected
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def with_cache_namespace(namespace)
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I18n.cache_namespace = namespace
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yield
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I18n.cache_namespace = nil
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end
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def with_cache_key_digest(digest)
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I18n.cache_key_digest = digest
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yield
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I18n.cache_key_digest = nil
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end
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end
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end # AS cache check
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