fix stream helper spec for new rspec

spec/helpers/stream_helper_spec.rb

@@ -6,24 +6,29 @@ require 'spec_helper'
 
 describe StreamHelper do
   describe "next_page_path" do
+    def build_controller controller_class
+      controller_class.new.tap {|c| c.request = controller.request }
+    end
     before do
       @stream = Stream::Base.new(alice, :max_time => Time.now)
     end
-      it 'works for public page' do
-        stub(:controller).and_return(PostsController.new)
-        next_page_path.should include '/public'
-      end
 
-      it 'works for stream page when current page is stream' do
-        self.stub("current_page?").and_return(true)
-        stub(:controller).and_return(StreamsController.new)
-        next_page_path.should include stream_path
-      end
+    it 'works for public page' do
+      helper.stub(:controller).and_return(build_controller(PostsController))
+      helper.next_page_path.should include '/public'
+    end
 
-      it 'works for activity page when current page is not stream' do
-        self.stub("current_page?").and_return(false)
-        stub(:controller).and_return(StreamsController.new)
-        next_page_path.should include activity_stream_path
-      end
+    it 'works for stream page when current page is stream' do
+      helper.stub(:current_page?).and_return(true)
+      helper.stub(:controller).and_return(build_controller(StreamsController))
+      helper.next_page_path.should include stream_path
+    end
+
+    it 'works for activity page when current page is not stream' do
+      helper.stub("current_page?").and_return(false)
+      helper.stub(:controller).and_return(build_controller(StreamsController))
+      # binding.pry
+      helper.next_page_path.should include activity_stream_path
+    end
   end
 end