Support passing render options to #widget.

lib/erector/widget.rb

@@ -139,14 +139,14 @@ def call_block
     # This is the preferred way to call one widget from inside another. This
     # method assures that the same output string is used, which gives better
     # performance than using +capture+ or +to_s+.
-    def widget(target, parameters={}, &block)
+    def widget(target, assigns = {}, options = {}, &block)
       if target.is_a? Class
-        target.new(parameters, &block)._render_via(self)
+        target.new(assigns, &block)._render_via(self, options)
       else
-        unless parameters.empty?
-          raise "Unexpected second parameter. Did you mean to pass in variables when you instantiated the #{target.class.to_s}?"
+        unless assigns.empty?
+          raise "Unexpected second parameter. Did you mean to pass in assigns when you instantiated the #{target.class.to_s}?"
         end
-        target._render_via(self, &block)
+        target._render_via(self, options, &block)
       end
     end
 

spec/erector/widget_spec.rb

@@ -78,6 +78,15 @@ def content
         outer.output.widgets.should include(inner)
       end
 
+      it "supports specifying content_method_name" do
+        inner = Class.new(Erector::Widget) do
+          def foo; text "foo"; end
+        end
+        erector do
+          widget inner, {}, :content_method_name => :foo
+        end.should == "foo"
+      end
+
       it "renders nested widgets in the correct order" do
         class Parent < Erector::Widget
           def content