Reuse already existing classes for ActiveModel tests.

activemodel/test/cases/naming_helpers_test.rb

@@ -1,63 +0,0 @@
-require 'cases/helper'
-
-class Comment
-  extend ActiveModel::Naming
-  include ActiveModel::Conversion
-
-  attr_reader :id
-  def to_key; id ? [id] : nil end
-  def save; @id = 1 end
-  def new_record?; @id.nil? end
-  def name
-    @id.nil? ? 'new comment' : "comment ##{@id}"
-  end
-end
-
-class Sheep
-  extend ActiveModel::Naming
-  include ActiveModel::Conversion
-
-  attr_reader :id
-  def to_key; id ? [id] : nil end
-  def save; @id = 1 end
-  def new_record?; @id.nil? end
-  def name
-    @id.nil? ? 'new sheep' : "sheep ##{@id}"
-  end
-end
-
-class NamingHelpersTest < Test::Unit::TestCase
-  def setup
-    @klass  = Comment
-    @record = @klass.new
-    @singular = 'comment'
-    @plural = 'comments'
-    @uncountable = Sheep
-  end
-
-  def test_singular
-    assert_equal @singular, singular(@record)
-  end
-
-  def test_singular_for_class
-    assert_equal @singular, singular(@klass)
-  end
-
-  def test_plural
-    assert_equal @plural, plural(@record)
-  end
-
-  def test_plural_for_class
-    assert_equal @plural, plural(@klass)
-  end
-
-  def test_uncountable
-    assert_equal true, uncountable?(@uncountable)
-    assert_equal false, uncountable?(@klass)
-  end
-
-  private
-    def method_missing(method, *args)
-      ActiveModel::Naming.send(method, *args)
-    end
-end

activemodel/test/cases/naming_test.rb

@@ -1,4 +1,6 @@
 require 'cases/helper'
+require 'models/contact'
+require 'models/sheep'
 require 'models/track_back'
 
 class NamingTest < ActiveModel::TestCase
@@ -26,3 +28,40 @@ class NamingTest < ActiveModel::TestCase
     assert_equal 'post/track_backs/track_back', @model_name.partial_path
   end
 end
+
+class NamingHelpersTest < Test::Unit::TestCase
+  def setup
+    @klass  = Contact
+    @record = @klass.new
+    @singular = 'contact'
+    @plural = 'contacts'
+    @uncountable = Sheep
+  end
+
+  def test_singular
+    assert_equal @singular, singular(@record)
+  end
+
+  def test_singular_for_class
+    assert_equal @singular, singular(@klass)
+  end
+
+  def test_plural
+    assert_equal @plural, plural(@record)
+  end
+
+  def test_plural_for_class
+    assert_equal @plural, plural(@klass)
+  end
+
+  def test_uncountable
+    assert uncountable?(@uncountable), "Expected 'sheep' to be uncoutable"
+    assert !uncountable?(@klass), "Expected 'contact' to be countable"
+  end
+
+  private
+    def method_missing(method, *args)
+      ActiveModel::Naming.send(method, *args)
+    end
+end
+

activemodel/test/models/contact.rb

@@ -1,4 +1,5 @@
 class Contact
+  extend ActiveModel::Naming
   include ActiveModel::Conversion
 
   attr_accessor :id, :name, :age, :created_at, :awesome, :preferences

activemodel/test/models/sheep.rb

@@ -0,0 +1,4 @@
+class Sheep
+  extend ActiveModel::Naming
+end
+