closes #86

.gitignore

@@ -17,6 +17,7 @@ spec/test_app/Gemfile.lock
 /Gemfile.lock
 /examples/action-cable/rails_cache_dir/
 rails_cache_dir/
+react_prerendering_src.js
 
 .bundle/
 log/*.log

Gemfile

@@ -1,3 +1,6 @@
 source 'https://rubygems.org'
 gem "opal-jquery", git: "https://github.com/opal/opal-jquery.git", branch: "master"
+# gem 'hyper-react', path: '../hyper-react'
+# gem 'hyper-operation', path: '../hyper-operation'
+# gem 'hyperloop-config', path: '../hyperloop-config'
 gemspec

lib/active_record_base.rb

@@ -318,6 +318,11 @@ def __hyperloop_secure_attributes(acting_user)
           Hyperloop::InternalPolicy.accessible_attributes_for(self, acting_user)
         attributes.select { |attr| accessible_attributes.include? attr.to_sym }
       end
+
+      # regulate built in scopes so they are accesible from the client
+      %i[limit offset].each do |scope|
+        regulate_scope(scope) {}
+      end
     end
   end
 

spec/batch3/edge_cases_spec.rb

@@ -64,23 +64,54 @@
     end.to eq(1)
   end
 
-  xit "fetches data during prerendering" do # server_only not working!
-    # test for fix in prerendering fetch which was causing security violations
+  it "fetches data during prerendering" do
     5.times do |i|
       FactoryBot.create(:todo, title: "Todo #{i}")
     end
+    # cause spec to fail if there are attempts to fetch data after prerendering
+    hide_const 'ReactiveRecord::Operations::Fetch'
     mount "TestComponent77", {}, render_on: :both do
       class TestComponent77 < Hyperloop::Component
         render(UL) do
-          puts "Todo defined? #{defined? Todo} class? #{Todo.class}"
-          LI { "fred" }
-          #Todo.each do |todo|
-          #   # try Todo.find_by_title ... as well
-          #   LI { todo.title }
-          # end
+          Todo.each do |todo|
+            LI { todo.title }
+          end
         end
       end
     end
-    binding.pry
+    Todo.all.each do |todo|
+      page.should have_content(todo.title)
+    end
+  end
+
+  it "prerenders a belongs to relationship" do
+    user_item = User.create(name: 'Fred')
+    todo_item = TodoItem.create(title: 'test-todo', user: user_item)
+    mount "PrerenderTest", {}, render_on: :server_only do
+      class PrerenderTest < Hyperloop::Component
+        render(DIV) do
+          TodoItem.first.user.name
+        end
+      end
+    end
+    page.should have_content("Fred")
+  end
+
+  it "the limit and offset predefined scopes work" do
+    5.times do |i|
+      FactoryBot.create(:todo, title: "Todo #{i}")
+    end
+    mount "TestComponent77" do
+      class TestComponent77 < Hyperloop::Component
+        render(UL) do
+          Todo.limit(2).offset(3).each do |todo|
+            LI { todo.title }
+          end
+        end
+      end
+    end
+    Todo.limit(2).offset(3).each do |todo|
+      page.should have_content(todo.title)
+    end
   end
 end

spec/spec_helper.rb

@@ -135,7 +135,7 @@ def self.should_immediately_generate(opts={}, &block)
 
   module React
     module IsomorphicHelpers
-      def self.load_context(ctx, controller, name = nil)
+      def self.xxxload_context(ctx, controller, name = nil)
         @context = Context.new("#{controller.object_id}-#{Time.now.to_i}", ctx, controller, name)
       end
     end
@@ -307,7 +307,7 @@ class JavaScriptError < StandardError; end
       elsif client_options[:raise_on_js_errors] != :off && errors.present?
         raise JavaScriptError, errors.join("\n\n")
       end
-    end 
+    end
 
     config.include Capybara::DSL
 

spec/support/component_helpers.rb

@@ -130,10 +130,9 @@ def build_test_url_for(controller)
           javascript = render_params.delete(:javascript)
           code = render_params.delete(:code)
           page = "<%= react_component @component_name, @component_params, { prerender: #{render_on != :client_only} } %>"  # false should be:  "#{render_on != :client_only} } %>" but its not working in the gem testing harness
-          page = "<script type='text/javascript'>\n#{TOP_LEVEL_COMPONENT_PATCH}\n</script>\n#{page}"
-
-          if code
-            page = "<script type='text/javascript'>\n#{code}\n</script>\n"+page
+          unless render_on == :server_only
+            page = "<script type='text/javascript'>\n#{TOP_LEVEL_COMPONENT_PATCH}\n</script>\n#{page}"
+            page = "<script type='text/javascript'>\n#{code}\n</script>\n"+page if code
           end
 
           #TODO figure out how to auto insert this line????  something like:
@@ -159,7 +158,7 @@ def build_test_url_for(controller)
           page = "<script type='text/javascript'>go = function() {window.hyper_spec_waiting_for_go = false}</script>\n#{page}"
           title = view_context.escape_javascript(ComponentTestHelpers.current_example.description)
           title = "#{title}...continued." if ComponentTestHelpers.description_displayed
-          page = "<script type='text/javascript'>console.log(console.log('%c#{title}','color:green; font-weight:bold; font-size: 200%'))</script>\n#{page}"
+          page = "<script type='text/javascript'>console.log('%c#{title}','color:green; font-weight:bold; font-size: 200%')</script>\n#{page}"
           ComponentTestHelpers.description_displayed = true
           render_params[:inline] = page
           render render_params