1 files changed, 32 insertions, 2 deletions
diff --git a/activemodel/test/cases/translation_test.rb b/activemodel/test/cases/translation_test.rb
index e25d308ca1..1b1d972d5c 100644
--- a/activemodel/test/cases/translation_test.rb
+++ b/activemodel/test/cases/translation_test.rb
@@ -6,7 +6,7 @@ class ActiveModelI18nTests < ActiveModel::TestCase
   def setup
     I18n.backend = I18n::Backend::Simple.new
   end
-  
+
   def test_translated_model_attributes
     I18n.backend.store_translations 'en', :activemodel => {:attributes => {:person => {:name => 'person name attribute'} } }
     assert_equal 'person name attribute', Person.human_attribute_name('name')
@@ -16,7 +16,24 @@ class ActiveModelI18nTests < ActiveModel::TestCase
     I18n.backend.store_translations 'en', :attributes => { :name => 'name default attribute' }
     assert_equal 'name default attribute', Person.human_attribute_name('name')
   end
-  
+
+  def test_translated_model_attributes_using_default_option
+    assert_equal 'name default attribute', Person.human_attribute_name('name', :default => "name default attribute")
+  end
+
+  def test_translated_model_attributes_using_default_option_as_symbol
+    I18n.backend.store_translations 'en', :default_name => 'name default attribute'
+    assert_equal 'name default attribute', Person.human_attribute_name('name', :default => :default_name)
+  end
+
+  def test_translated_model_attributes_falling_back_to_default
+    assert_equal 'Name', Person.human_attribute_name('name')
+  end
+
+  def test_translated_model_attributes_using_default_option_as_symbol_and_falling_back_to_default
+    assert_equal 'Name', Person.human_attribute_name('name', :default => :default_name)
+  end
+
   def test_translated_model_attributes_with_symbols
     I18n.backend.store_translations 'en', :activemodel => {:attributes => {:person => {:name => 'person name attribute'} } }
     assert_equal 'person name attribute', Person.human_attribute_name(:name)
@@ -32,6 +49,13 @@ class ActiveModelI18nTests < ActiveModel::TestCase
     assert_equal 'person name attribute', Child.human_attribute_name('name')
   end
 
+  def test_translated_model_attributes_with_attribute_matching_namespaced_model_name
+    I18n.backend.store_translations 'en', :activemodel => {:attributes => {:person => {:gender => 'person gender'}, :"person/gender" => {:attribute => 'person gender attribute'}}}
+
+    assert_equal 'person gender', Person.human_attribute_name('gender')
+    assert_equal 'person gender attribute', Person::Gender.human_attribute_name('attribute')
+  end
+
   def test_translated_model_names
     I18n.backend.store_translations 'en', :activemodel => {:models => {:person => 'person model'} }
     assert_equal 'person model', Person.model_name.human
@@ -46,5 +70,11 @@ class ActiveModelI18nTests < ActiveModel::TestCase
     I18n.backend.store_translations 'en', :activemodel => {:models => {:person => 'person model'} }
     assert_equal 'person model', Child.model_name.human
   end
+
+  def test_human_does_not_modify_options
+    options = {:default => 'person model'}
+    Person.model_name.human(options)
+    assert_equal({:default => 'person model'}, options)
+  end
 end