add a generic tranlate view helper

1 files changed, 33 insertions, 0 deletions

diff --git a/actionpack/test/template/i18n_helper_test.rb b/actionpack/test/template/i18n_helper_test.rb
new file mode 100644
index 0000000000..598731568c
--- /dev/null
+++ b/actionpack/test/template/i18n_helper_test.rb
@@ -0,0 +1,33 @@
+require 'abstract_unit'
+require 'action_view/helpers/i18n_helper'
+
+class I18nHelperTests < Test::Unit::TestCase
+  include ActionView::Helpers::I18nHelper
+  
+  attr_reader :request
+  def setup
+    @request = stub :locale => 'en-US'
+    I18n.stubs(:translate).with(:'foo.bar', 'en-US').returns 'Foo Bar'
+  end
+
+  def test_translate_given_a_locale_argument_it_does_not_check_request_for_locale
+    request.expects(:locale).never
+    assert_equal 'Foo Bar', translate(:'foo.bar', :locale => 'en-US')
+  end
+
+  def test_translate_given_a_locale_option_it_does_not_check_request_for_locale
+    request.expects(:locale).never
+    I18n.expects(:translate).with(:'foo.bar', 'en-US').returns 'Foo Bar'
+    assert_equal 'Foo Bar', translate(:'foo.bar', :locale => 'en-US')
+  end
+  
+  def test_translate_given_no_locale_it_checks_request_for_locale
+    request.expects(:locale).returns 'en-US'
+    assert_equal 'Foo Bar', translate(:'foo.bar')
+  end
+
+  def test_translate_delegates_to_i18n_translate
+    I18n.expects(:translate).with(:'foo.bar', 'en-US').returns 'Foo Bar'
+    assert_equal 'Foo Bar', translate(:'foo.bar')
+  end
+end
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