Added association spec to test that the correct association proxy cla…

…ss is being created

spec/nested_through/associations_spec.rb

@@ -0,0 +1,64 @@
+require File.expand_path(File.join(File.dirname(__FILE__), '../spec_helper'))
+require File.expand_path(File.join(File.dirname(__FILE__), '../schema'))
+
+# for testing, we need to know what class the association proxy is
+class ActiveRecord::Associations::AssociationProxy
+  def nested_through?; false; end
+  def nested_has_many_through?; false; end
+  def nested_has_one_through?; false; end
+end
+
+class NestedThrough::Associations::NestedHasManyThroughAssociation
+  def nested_through?; true; end
+  def nested_has_many_through?; false; end
+end
+
+class NestedThrough::Associations::NestedHasOneThroughAssociation
+  def nested_through?; true; end
+  def nested_has_one_through?; true; end
+end
+
+module NTASpec
+  class Category < ActiveRecord::Base
+    has_many :posts, :class_name => 'NTASpec::Post'
+    has_many :users, :through => :posts, :class_name => 'NTASpec::User'
+    has_one :first_post, :class_name => 'NTASpec::Post'
+    has_one :first_user, :through => :posts, :source => :user, :class_name => 'NTASpec::User'
+  end
+
+  class User < ActiveRecord::Base
+  end
+
+  class Post < ActiveRecord::Base
+    belongs_to :user, :class_name => 'NTASpec::User', :foreign_key => :author_id
+    belongs_to :category, :class_name => 'NTASpec::Category'
+  end
+end
+
+describe NestedThrough::Associations do
+  before do
+    @category = NTASpec::Category.create!
+    @user = NTASpec::User.create!
+    @post = NTASpec::Post.create! :category_id => @category.id, :author_id => @user.id
+  end
+
+  describe "has_many" do
+    it "non-through should not be nested through" do
+      @category.posts.nested_through?.should == false
+    end
+
+    it "normal through should not be nested through" do
+      @category.users.nested_through?.should == false
+    end
+  end
+
+  describe "has_one" do
+    it "non-through should not be nested through" do
+      @category.first_post.nested_through?.should == false
+    end
+
+    it "normal through should not be nested through" do
+      @category.first_user.nested_through?.should == false
+    end
+  end
+end