2 files changed, 41 insertions, 3 deletions
diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb
index 74708692af..4c1a82f413 100644
--- a/activemodel/lib/active_model/naming.rb
+++ b/activemodel/lib/active_model/naming.rb
@@ -7,8 +7,9 @@ module ActiveModel
     attr_reader :singular, :plural, :element, :collection, :partial_path, :route_key, :param_key, :i18n_key
     alias_method :cache_key, :collection
 
-    def initialize(klass, namespace = nil)
-      super(klass.name)
+    def initialize(klass, namespace = nil, name = nil)
+      name ||= klass.name
+      super(name)
       @unnamespaced = self.sub(/^#{namespace.name}::/, '') if namespace
 
       @klass = klass
diff --git a/activemodel/test/cases/naming_test.rb b/activemodel/test/cases/naming_test.rb
index a7dde2c433..f814fcc56c 100644
--- a/activemodel/test/cases/naming_test.rb
+++ b/activemodel/test/cases/naming_test.rb
@@ -114,6 +114,44 @@ class NamingWithNamespacedModelInSharedNamespaceTest < ActiveModel::TestCase
   end
 end
 
+class NamingWithSuppliedModelNameTest < ActiveModel::TestCase
+  def setup
+    @model_name = ActiveModel::Name.new(Blog::Post, nil, 'Article')
+  end
+
+  def test_singular
+    assert_equal 'article', @model_name.singular
+  end
+
+  def test_plural
+    assert_equal 'articles', @model_name.plural
+  end
+
+  def test_element
+    assert_equal 'article', @model_name.element
+  end
+
+  def test_collection
+    assert_equal 'articles', @model_name.collection
+  end
+
+  def test_partial_path
+    assert_equal 'articles/article', @model_name.partial_path
+  end
+
+  def test_human
+    'Article'
+  end
+
+  def test_route_key
+    assert_equal 'articles', @model_name.route_key
+  end
+
+  def test_param_key
+    assert_equal 'article', @model_name.param_key
+  end
+end
+
 class NamingHelpersTest < Test::Unit::TestCase
   def setup
     @klass  = Contact
@@ -171,4 +209,3 @@ class NamingHelpersTest < Test::Unit::TestCase
       ActiveModel::Naming.send(method, *args)
     end
 end
-