vendor/rails/activesupport/lib/active_support/vendor/i18n-0.1.3/test/simple_backend_test.rb

   1 # encoding: utf-8
   2 $:.unshift "lib"
   3
   4 require 'rubygems'
   5 require 'test/unit'
   6 require 'mocha'
   7 require 'i18n'
   8 require 'time'
   9 require 'yaml'
  10
  11 module I18nSimpleBackendTestSetup
  12   def setup_backend
  13     # backend_reset_translations!
  14     @backend = I18n::Backend::Simple.new
  15     @backend.store_translations 'en', :foo => {:bar => 'bar', :baz => 'baz'}
  16     @locale_dir = File.dirname(__FILE__) + '/locale'
  17   end
  18   alias :setup :setup_backend
  19
  20   # def backend_reset_translations!
  21   #   I18n::Backend::Simple::ClassMethods.send :class_variable_set, :@@translations, {}
  22   # end
  23
  24   def backend_get_translations
  25     # I18n::Backend::Simple::ClassMethods.send :class_variable_get, :@@translations
  26     @backend.instance_variable_get :@translations
  27   end
  28
  29   def add_datetime_translations
  30     @backend.store_translations :'de', {
  31       :date => {
  32         :formats => {
  33           :default => "%d.%m.%Y",
  34           :short => "%d. %b",
  35           :long => "%d. %B %Y",
  36         },
  37         :day_names => %w(Sonntag Montag Dienstag Mittwoch Donnerstag Freitag Samstag),
  38         :abbr_day_names => %w(So Mo Di Mi Do Fr  Sa),
  39         :month_names => %w(Januar Februar März April Mai Juni Juli August September Oktober November Dezember).unshift(nil),
  40         :abbr_month_names => %w(Jan Feb Mar Apr Mai Jun Jul Aug Sep Okt Nov Dez).unshift(nil),
  41         :order => [:day, :month, :year]
  42       },
  43       :time => {
  44         :formats => {
  45           :default => "%a, %d. %b %Y %H:%M:%S %z",
  46           :short => "%d. %b %H:%M",
  47           :long => "%d. %B %Y %H:%M",
  48         },
  49         :am => 'am',
  50         :pm => 'pm'
  51       },
  52       :datetime => {
  53         :distance_in_words => {
  54           :half_a_minute => 'half a minute',
  55           :less_than_x_seconds => {
  56             :one => 'less than 1 second',
  57             :other => 'less than {{count}} seconds'
  58           },
  59           :x_seconds => {
  60             :one => '1 second',
  61             :other => '{{count}} seconds'
  62           },
  63           :less_than_x_minutes => {
  64             :one => 'less than a minute',
  65             :other => 'less than {{count}} minutes'
  66           },
  67           :x_minutes => {
  68             :one => '1 minute',
  69             :other => '{{count}} minutes'
  70           },
  71           :about_x_hours => {
  72             :one => 'about 1 hour',
  73             :other => 'about {{count}} hours'
  74           },
  75           :x_days => {
  76             :one => '1 day',
  77             :other => '{{count}} days'
  78           },
  79           :about_x_months => {
  80             :one => 'about 1 month',
  81             :other => 'about {{count}} months'
  82           },
  83           :x_months => {
  84             :one => '1 month',
  85             :other => '{{count}} months'
  86           },
  87           :about_x_years => {
  88             :one => 'about 1 year',
  89             :other => 'about {{count}} year'
  90           },
  91           :over_x_years => {
  92             :one => 'over 1 year',
  93             :other => 'over {{count}} years'
  94           }
  95         }
  96       }
  97     }
  98   end
  99 end
 100
 101 class I18nSimpleBackendTranslationsTest < Test::Unit::TestCase
 102   include I18nSimpleBackendTestSetup
 103
 104   def test_store_translations_adds_translations # no, really :-)
 105     @backend.store_translations :'en', :foo => 'bar'
 106     assert_equal Hash[:'en', {:foo => 'bar'}], backend_get_translations
 107   end
 108
 109   def test_store_translations_deep_merges_translations
 110     @backend.store_translations :'en', :foo => {:bar => 'bar'}
 111     @backend.store_translations :'en', :foo => {:baz => 'baz'}
 112     assert_equal Hash[:'en', {:foo => {:bar => 'bar', :baz => 'baz'}}], backend_get_translations
 113   end
 114
 115   def test_store_translations_forces_locale_to_sym
 116     @backend.store_translations 'en', :foo => 'bar'
 117     assert_equal Hash[:'en', {:foo => 'bar'}], backend_get_translations
 118   end
 119
 120   def test_store_translations_converts_keys_to_symbols
 121     # backend_reset_translations!
 122     @backend.store_translations 'en', 'foo' => {'bar' => 'bar', 'baz' => 'baz'}
 123     assert_equal Hash[:'en', {:foo => {:bar => 'bar', :baz => 'baz'}}], backend_get_translations
 124   end
 125 end
 126
 127 class I18nSimpleBackendAvailableLocalesTest < Test::Unit::TestCase
 128   def test_available_locales
 129     @backend = I18n::Backend::Simple.new
 130     @backend.store_translations 'de', :foo => 'bar'
 131     @backend.store_translations 'en', :foo => 'foo'
 132
 133     assert_equal ['de', 'en'], @backend.available_locales.map{|locale| locale.to_s }.sort
 134   end
 135 end
 136
 137 class I18nSimpleBackendTranslateTest < Test::Unit::TestCase
 138   include I18nSimpleBackendTestSetup
 139
 140   def test_translate_calls_lookup_with_locale_given
 141     @backend.expects(:lookup).with('de', :bar, [:foo]).returns 'bar'
 142     @backend.translate 'de', :bar, :scope => [:foo]
 143   end
 144
 145   def test_given_no_keys_it_returns_the_default
 146     assert_equal 'default', @backend.translate('en', nil, :default => 'default')
 147   end
 148
 149   def test_translate_given_a_symbol_as_a_default_translates_the_symbol
 150     assert_equal 'bar', @backend.translate('en', nil, :scope => [:foo], :default => :bar)
 151   end
 152
 153   def test_translate_given_an_array_as_default_uses_the_first_match
 154     assert_equal 'bar', @backend.translate('en', :does_not_exist, :scope => [:foo], :default => [:does_not_exist_2, :bar])
 155   end
 156
 157   def test_translate_given_an_array_of_inexistent_keys_it_raises_missing_translation_data
 158     assert_raise I18n::MissingTranslationData do
 159       @backend.translate('en', :does_not_exist, :scope => [:foo], :default => [:does_not_exist_2, :does_not_exist_3])
 160     end
 161   end
 162
 163   def test_translate_an_array_of_keys_translates_all_of_them
 164     assert_equal %w(bar baz), @backend.translate('en', [:bar, :baz], :scope => [:foo])
 165   end
 166
 167   def test_translate_calls_pluralize
 168     @backend.expects(:pluralize).with 'en', 'bar', 1
 169     @backend.translate 'en', :bar, :scope => [:foo], :count => 1
 170   end
 171
 172   def test_translate_calls_interpolate
 173     @backend.expects(:interpolate).with 'en', 'bar', {}
 174     @backend.translate 'en', :bar, :scope => [:foo]
 175   end
 176
 177   def test_translate_calls_interpolate_including_count_as_a_value
 178     @backend.expects(:interpolate).with 'en', 'bar', {:count => 1}
 179     @backend.translate 'en', :bar, :scope => [:foo], :count => 1
 180   end
 181
 182   def test_translate_given_nil_as_a_locale_raises_an_argument_error
 183     assert_raise(I18n::InvalidLocale){ @backend.translate nil, :bar }
 184   end
 185
 186   def test_translate_with_a_bogus_key_and_no_default_raises_missing_translation_data
 187     assert_raise(I18n::MissingTranslationData){ @backend.translate 'de', :bogus }
 188   end
 189 end
 190
 191 class I18nSimpleBackendLookupTest < Test::Unit::TestCase
 192   include I18nSimpleBackendTestSetup
 193
 194   # useful because this way we can use the backend with no key for interpolation/pluralization
 195   def test_lookup_given_nil_as_a_key_returns_nil
 196     assert_nil @backend.send(:lookup, 'en', nil)
 197   end
 198
 199   def test_lookup_given_nested_keys_looks_up_a_nested_hash_value
 200     assert_equal 'bar', @backend.send(:lookup, 'en', :bar, [:foo])
 201   end
 202 end
 203
 204 class I18nSimpleBackendPluralizeTest < Test::Unit::TestCase
 205   include I18nSimpleBackendTestSetup
 206
 207   def test_pluralize_given_nil_returns_the_given_entry
 208     entry = {:one => 'bar', :other => 'bars'}
 209     assert_equal entry, @backend.send(:pluralize, nil, entry, nil)
 210   end
 211
 212   def test_pluralize_given_0_returns_zero_string_if_zero_key_given
 213     assert_equal 'zero', @backend.send(:pluralize, nil, {:zero => 'zero', :one => 'bar', :other => 'bars'}, 0)
 214   end
 215
 216   def test_pluralize_given_0_returns_plural_string_if_no_zero_key_given
 217     assert_equal 'bars', @backend.send(:pluralize, nil, {:one => 'bar', :other => 'bars'}, 0)
 218   end
 219
 220   def test_pluralize_given_1_returns_singular_string
 221     assert_equal 'bar', @backend.send(:pluralize, nil, {:one => 'bar', :other => 'bars'}, 1)
 222   end
 223
 224   def test_pluralize_given_2_returns_plural_string
 225     assert_equal 'bars', @backend.send(:pluralize, nil, {:one => 'bar', :other => 'bars'}, 2)
 226   end
 227
 228   def test_pluralize_given_3_returns_plural_string
 229     assert_equal 'bars', @backend.send(:pluralize, nil, {:one => 'bar', :other => 'bars'}, 3)
 230   end
 231
 232   def test_interpolate_given_incomplete_pluralization_data_raises_invalid_pluralization_data
 233     assert_raise(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, {:one => 'bar'}, 2) }
 234   end
 235
 236   # def test_interpolate_given_a_string_raises_invalid_pluralization_data
 237   #   assert_raise(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, 'bar', 2) }
 238   # end
 239   #
 240   # def test_interpolate_given_an_array_raises_invalid_pluralization_data
 241   #   assert_raise(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, ['bar'], 2) }
 242   # end
 243 end
 244
 245 class I18nSimpleBackendInterpolateTest < Test::Unit::TestCase
 246   include I18nSimpleBackendTestSetup
 247
 248   def test_interpolate_given_a_value_hash_interpolates_the_values_to_the_string
 249     assert_equal 'Hi David!', @backend.send(:interpolate, nil, 'Hi {{name}}!', :name => 'David')
 250   end
 251
 252   def test_interpolate_given_a_value_hash_interpolates_into_unicode_string
 253     assert_equal 'Häi David!', @backend.send(:interpolate, nil, 'Häi {{name}}!', :name => 'David')
 254   end
 255
 256   def test_interpolate_given_an_unicode_value_hash_interpolates_to_the_string
 257     assert_equal 'Hi ゆきひろ!', @backend.send(:interpolate, nil, 'Hi {{name}}!', :name => 'ゆきひろ')
 258   end
 259
 260   def test_interpolate_given_an_unicode_value_hash_interpolates_into_unicode_string
 261     assert_equal 'こんにちは、ゆきひろさん!', @backend.send(:interpolate, nil, 'こんにちは、{{name}}さん!', :name => 'ゆきひろ')
 262   end
 263
 264   if Kernel.const_defined?(:Encoding)
 265     def test_interpolate_given_a_non_unicode_multibyte_value_hash_interpolates_into_a_string_with_the_same_encoding
 266       assert_equal euc_jp('Hi ゆきひろ!'), @backend.send(:interpolate, nil, 'Hi {{name}}!', :name => euc_jp('ゆきひろ'))
 267     end
 268
 269     def test_interpolate_given_an_unicode_value_hash_into_a_non_unicode_multibyte_string_raises_encoding_compatibility_error
 270       assert_raise(Encoding::CompatibilityError) do
 271         @backend.send(:interpolate, nil, euc_jp('こんにちは、{{name}}さん!'), :name => 'ゆきひろ')
 272       end
 273     end
 274
 275     def test_interpolate_given_a_non_unicode_multibyte_value_hash_into_an_unicode_string_raises_encoding_compatibility_error
 276       assert_raise(Encoding::CompatibilityError) do
 277         @backend.send(:interpolate, nil, 'こんにちは、{{name}}さん!', :name => euc_jp('ゆきひろ'))
 278       end
 279     end
 280   end
 281
 282   def test_interpolate_given_nil_as_a_string_returns_nil
 283     assert_nil @backend.send(:interpolate, nil, nil, :name => 'David')
 284   end
 285
 286   def test_interpolate_given_an_non_string_as_a_string_returns_nil
 287     assert_equal [], @backend.send(:interpolate, nil, [], :name => 'David')
 288   end
 289
 290   def test_interpolate_given_a_values_hash_with_nil_values_interpolates_the_string
 291     assert_equal 'Hi !', @backend.send(:interpolate, nil, 'Hi {{name}}!', {:name => nil})
 292   end
 293
 294   def test_interpolate_given_an_empty_values_hash_raises_missing_interpolation_argument
 295     assert_raise(I18n::MissingInterpolationArgument) { @backend.send(:interpolate, nil, 'Hi {{name}}!', {}) }
 296   end
 297
 298   def test_interpolate_given_a_string_containing_a_reserved_key_raises_reserved_interpolation_key
 299     assert_raise(I18n::ReservedInterpolationKey) { @backend.send(:interpolate, nil, '{{default}}', {:default => nil}) }
 300   end
 301
 302   private
 303
 304   def euc_jp(string)
 305     string.encode!(Encoding::EUC_JP)
 306   end
 307 end
 308
 309 class I18nSimpleBackendLocalizeDateTest < Test::Unit::TestCase
 310   include I18nSimpleBackendTestSetup
 311
 312   def setup
 313     @backend = I18n::Backend::Simple.new
 314     add_datetime_translations
 315     @date = Date.new 2008, 1, 1
 316   end
 317
 318   def test_translate_given_the_short_format_it_uses_it
 319     assert_equal '01. Jan', @backend.localize('de', @date, :short)
 320   end
 321
 322   def test_translate_given_the_long_format_it_uses_it
 323     assert_equal '01. Januar 2008', @backend.localize('de', @date, :long)
 324   end
 325
 326   def test_translate_given_the_default_format_it_uses_it
 327     assert_equal '01.01.2008', @backend.localize('de', @date, :default)
 328   end
 329
 330   def test_translate_given_a_day_name_format_it_returns_a_day_name
 331     assert_equal 'Dienstag', @backend.localize('de', @date, '%A')
 332   end
 333
 334   def test_translate_given_an_abbr_day_name_format_it_returns_an_abbrevated_day_name
 335     assert_equal 'Di', @backend.localize('de', @date, '%a')
 336   end
 337
 338   def test_translate_given_a_month_name_format_it_returns_a_month_name
 339     assert_equal 'Januar', @backend.localize('de', @date, '%B')
 340   end
 341
 342   def test_translate_given_an_abbr_month_name_format_it_returns_an_abbrevated_month_name
 343     assert_equal 'Jan', @backend.localize('de', @date, '%b')
 344   end
 345
 346   def test_translate_given_no_format_it_does_not_fail
 347     assert_nothing_raised{ @backend.localize 'de', @date }
 348   end
 349
 350   def test_translate_given_an_unknown_format_it_does_not_fail
 351     assert_nothing_raised{ @backend.localize 'de', @date, '%x' }
 352   end
 353
 354   def test_localize_nil_raises_argument_error
 355     assert_raise(I18n::ArgumentError) { @backend.localize 'de', nil }
 356   end
 357
 358   def test_localize_object_raises_argument_error
 359     assert_raise(I18n::ArgumentError) { @backend.localize 'de', Object.new }
 360   end
 361 end
 362
 363 class I18nSimpleBackendLocalizeDateTimeTest < Test::Unit::TestCase
 364   include I18nSimpleBackendTestSetup
 365
 366   def setup
 367     @backend = I18n::Backend::Simple.new
 368     add_datetime_translations
 369     @morning = DateTime.new 2008, 1, 1, 6
 370     @evening = DateTime.new 2008, 1, 1, 18
 371   end
 372
 373   def test_translate_given_the_short_format_it_uses_it
 374     assert_equal '01. Jan 06:00', @backend.localize('de', @morning, :short)
 375   end
 376
 377   def test_translate_given_the_long_format_it_uses_it
 378     assert_equal '01. Januar 2008 06:00', @backend.localize('de', @morning, :long)
 379   end
 380
 381   def test_translate_given_the_default_format_it_uses_it
 382     assert_equal 'Di, 01. Jan 2008 06:00:00 +0000', @backend.localize('de', @morning, :default)
 383   end
 384
 385   def test_translate_given_a_day_name_format_it_returns_the_correct_day_name
 386     assert_equal 'Dienstag', @backend.localize('de', @morning, '%A')
 387   end
 388
 389   def test_translate_given_an_abbr_day_name_format_it_returns_the_correct_abbrevated_day_name
 390     assert_equal 'Di', @backend.localize('de', @morning, '%a')
 391   end
 392
 393   def test_translate_given_a_month_name_format_it_returns_the_correct_month_name
 394     assert_equal 'Januar', @backend.localize('de', @morning, '%B')
 395   end
 396
 397   def test_translate_given_an_abbr_month_name_format_it_returns_the_correct_abbrevated_month_name
 398     assert_equal 'Jan', @backend.localize('de', @morning, '%b')
 399   end
 400
 401   def test_translate_given_a_meridian_indicator_format_it_returns_the_correct_meridian_indicator
 402     assert_equal 'am', @backend.localize('de', @morning, '%p')
 403     assert_equal 'pm', @backend.localize('de', @evening, '%p')
 404   end
 405
 406   def test_translate_given_no_format_it_does_not_fail
 407     assert_nothing_raised{ @backend.localize 'de', @morning }
 408   end
 409
 410   def test_translate_given_an_unknown_format_it_does_not_fail
 411     assert_nothing_raised{ @backend.localize 'de', @morning, '%x' }
 412   end
 413 end
 414
 415 class I18nSimpleBackendLocalizeTimeTest < Test::Unit::TestCase
 416   include I18nSimpleBackendTestSetup
 417
 418   def setup
 419     @old_timezone, ENV['TZ'] = ENV['TZ'], 'UTC'
 420     @backend = I18n::Backend::Simple.new
 421     add_datetime_translations
 422     @morning = Time.parse '2008-01-01 6:00 UTC'
 423     @evening = Time.parse '2008-01-01 18:00 UTC'
 424   end
 425
 426   def teardown
 427     @old_timezone ? ENV['TZ'] = @old_timezone : ENV.delete('TZ')
 428   end
 429
 430   def test_translate_given_the_short_format_it_uses_it
 431     assert_equal '01. Jan 06:00', @backend.localize('de', @morning, :short)
 432   end
 433
 434   def test_translate_given_the_long_format_it_uses_it
 435     assert_equal '01. Januar 2008 06:00', @backend.localize('de', @morning, :long)
 436   end
 437
 438   # TODO Seems to break on Windows because ENV['TZ'] is ignored. What's a better way to do this?
 439   # def test_translate_given_the_default_format_it_uses_it
 440   #   assert_equal 'Di, 01. Jan 2008 06:00:00 +0000', @backend.localize('de', @morning, :default)
 441   # end
 442
 443   def test_translate_given_a_day_name_format_it_returns_the_correct_day_name
 444     assert_equal 'Dienstag', @backend.localize('de', @morning, '%A')
 445   end
 446
 447   def test_translate_given_an_abbr_day_name_format_it_returns_the_correct_abbrevated_day_name
 448     assert_equal 'Di', @backend.localize('de', @morning, '%a')
 449   end
 450
 451   def test_translate_given_a_month_name_format_it_returns_the_correct_month_name
 452     assert_equal 'Januar', @backend.localize('de', @morning, '%B')
 453   end
 454
 455   def test_translate_given_an_abbr_month_name_format_it_returns_the_correct_abbrevated_month_name
 456     assert_equal 'Jan', @backend.localize('de', @morning, '%b')
 457   end
 458
 459   def test_translate_given_a_meridian_indicator_format_it_returns_the_correct_meridian_indicator
 460     assert_equal 'am', @backend.localize('de', @morning, '%p')
 461     assert_equal 'pm', @backend.localize('de', @evening, '%p')
 462   end
 463
 464   def test_translate_given_no_format_it_does_not_fail
 465     assert_nothing_raised{ @backend.localize 'de', @morning }
 466   end
 467
 468   def test_translate_given_an_unknown_format_it_does_not_fail
 469     assert_nothing_raised{ @backend.localize 'de', @morning, '%x' }
 470   end
 471 end
 472
 473 class I18nSimpleBackendHelperMethodsTest < Test::Unit::TestCase
 474   def setup
 475     @backend = I18n::Backend::Simple.new
 476   end
 477
 478   def test_deep_symbolize_keys_works
 479     result = @backend.send :deep_symbolize_keys, 'foo' => {'bar' => {'baz' => 'bar'}}
 480     expected = {:foo => {:bar => {:baz => 'bar'}}}
 481     assert_equal expected, result
 482   end
 483 end
 484
 485 class I18nSimpleBackendLoadTranslationsTest < Test::Unit::TestCase
 486   include I18nSimpleBackendTestSetup
 487
 488   def test_load_translations_with_unknown_file_type_raises_exception
 489     assert_raise(I18n::UnknownFileType) { @backend.load_translations "#{@locale_dir}/en.xml" }
 490   end
 491
 492   def test_load_translations_with_ruby_file_type_does_not_raise_exception
 493     assert_nothing_raised { @backend.load_translations "#{@locale_dir}/en.rb" }
 494   end
 495
 496   def test_load_rb_loads_data_from_ruby_file
 497     data = @backend.send :load_rb, "#{@locale_dir}/en.rb"
 498     assert_equal({:'en-Ruby' => {:foo => {:bar => "baz"}}}, data)
 499   end
 500
 501   def test_load_rb_loads_data_from_yaml_file
 502     data = @backend.send :load_yml, "#{@locale_dir}/en.yml"
 503     assert_equal({'en-Yaml' => {'foo' => {'bar' => 'baz'}}}, data)
 504   end
 505
 506   def test_load_translations_loads_from_different_file_formats
 507     @backend = I18n::Backend::Simple.new
 508     @backend.load_translations "#{@locale_dir}/en.rb", "#{@locale_dir}/en.yml"
 509     expected = {
 510       :'en-Ruby' => {:foo => {:bar => "baz"}},
 511       :'en-Yaml' => {:foo => {:bar => "baz"}}
 512     }
 513     assert_equal expected, backend_get_translations
 514   end
 515 end
 516
 517 class I18nSimpleBackendLoadPathTest < Test::Unit::TestCase
 518   include I18nSimpleBackendTestSetup
 519
 520   def teardown
 521     I18n.load_path = []
 522   end
 523
 524   def test_nested_load_paths_do_not_break_locale_loading
 525     @backend = I18n::Backend::Simple.new
 526     I18n.load_path = [[File.dirname(__FILE__) + '/locale/en.yml']]
 527     assert_nil backend_get_translations
 528     assert_nothing_raised { @backend.send :init_translations }
 529     assert_not_nil backend_get_translations
 530   end
 531
 532   def test_adding_arrays_of_filenames_to_load_path_do_not_break_locale_loading
 533     @backend = I18n::Backend::Simple.new
 534     I18n.load_path << Dir[File.dirname(__FILE__) + '/locale/*.{rb,yml}']
 535     assert_nil backend_get_translations
 536     assert_nothing_raised { @backend.send :init_translations }
 537     assert_not_nil backend_get_translations
 538   end
 539 end
 540
 541 class I18nSimpleBackendReloadTranslationsTest < Test::Unit::TestCase
 542   include I18nSimpleBackendTestSetup
 543
 544   def setup
 545     @backend = I18n::Backend::Simple.new
 546     I18n.load_path = [File.dirname(__FILE__) + '/locale/en.yml']
 547     assert_nil backend_get_translations
 548     @backend.send :init_translations
 549   end
 550
 551   def teardown
 552     I18n.load_path = []
 553   end
 554
 555   def test_setup
 556     assert_not_nil backend_get_translations
 557   end
 558
 559   def test_reload_translations_unloads_translations
 560     @backend.reload!
 561     assert_nil backend_get_translations
 562   end
 563
 564   def test_reload_translations_uninitializes_translations
 565     @backend.reload!
 566     assert_equal @backend.initialized?, false
 567   end
 568 end