Enable non restful template

lib/rabl-fast-json/compiler.rb

@@ -72,6 +72,7 @@ module RablFastJson
     end
 
     def object(data)
+      return if data === false
       data, name = extract_data_and_name(data)
       @template.data, @template.root_name = data, name
     end

lib/rabl-fast-json/template.rb

@@ -9,12 +9,19 @@ module RablFastJson
       @source = {}
     end
 
-    def get_object_from_assigns
+    def get_object_from_context
-      @object = @context.instance_variable_get(@data)
+      @object = @context.instance_variable_get(@data) if @data
+    end
+    
+    def get_assigns_from_context
+      @context.instance_variable_get(:@_assigns).each_pair { |k, v|
+        instance_variable_set("@#{k}", v) unless k.start_with?('_') || k == @data
+      }
     end
 
     def render
-      get_object_from_assigns
+      get_object_from_context
+      get_assigns_from_context
       @object.respond_to?(:each) ? render_collection : render_resource
     end
 
@@ -29,10 +36,10 @@ module RablFastJson
         when Symbol
           data.send(value) # attributes
         when Proc
-          value.call(data) # node
+          instance_exec data, &value # node
         when Array # node with condition
           next output if !value.first.call(data)
-          value.last.call(data)
+          instance_exec data, &(value.last)
         when Hash
           current_value = value.dup
           data_symbol = current_value.delete(:_data)

test/compiled_template_test.rb

@@ -7,6 +7,7 @@ class TestCompiledTemplate < ActiveSupport::TestCase
     @data = User.new(1, 'foobar', 'male')
     @data.stub(:respond_to?).with(:each).and_return(false)
     @context.stub(:instance_variable_get).with(:@data).and_return(@data)
+    @context.stub(:instance_variable_get).with(:@_assigns).and_return({})
     @template = RablFastJson::CompiledTemplate.new
     @template.context = @context
     @template.data = :@data

test/compiler_test.rb

@@ -129,4 +129,16 @@ class CompilerTest < ActiveSupport::TestCase
     assert_instance_of Array, t.source[:foo]
     assert_equal 2, t.source[:foo].size
   end
+  
+  test "compile with no object" do
+    t = @compiler.compile_source(%{
+     object false
+     child(:@user => :user) do
+       attribute :id
+     end
+    }) 
+    
+    assert_equal({ :user => { :_data => :@user, :id => :id } }, t.source)
+    assert_nil t.data
+  end
 end

test/deep_nesting_test.rb

@@ -29,6 +29,7 @@ class DeepNestingTest < ActiveSupport::TestCase
     @context.stub(:instance_variable_get).with(:@user).and_return(@user)
     @context.stub(:instance_variable_get).with(:@view_renderer).and_return(@view_renderer)
     @context.stub(:instance_variable_get).with(:@virtual_path).and_return('users/show')
+    @context.stub(:instance_variable_get).with(:@_assigns).and_return({})
   end
 
   test "compile and render deep nesting template" do

test/non_restful_response_test.rb

@@ -0,0 +1,35 @@
+require 'test_helper'
+
+class NonRestfulResponseTest < ActiveSupport::TestCase
+  setup do
+    RablFastJson::Library.reset_instance
+    
+    @user = User.new(1, 'foo', 'male')
+    @user.stub_chain(:posts, :count).and_return(10)
+    @user.stub(:respond_to?).with(:each).and_return(false)
+    
+    @context = Context.new
+    @context.stub(:instance_variable_get).with(:@user).and_return(@user)
+    @context.stub(:instance_variable_get).with(:@view_renderer).and_return(mock())
+    @context.stub(:instance_variable_get).with(:@virtual_path).and_return('user/show')
+    @context.stub(:instance_variable_get).with(:@_assigns).and_return({'user' => @user})
+  end
+  
+  test "compile and render non restful resource" do
+    source = %{
+      object false
+      node(:post_count) { @user.posts.count }
+      child(:@user => :user) do
+        attributes :id, :name
+      end
+    }
+    
+    assert_equal(ActiveSupport::JSON.encode({
+      :post_count => 10,
+      :user => {
+        :id => 1,
+        :name => 'foo'
+      }
+    }), RablFastJson::Library.instance.get_rendered_template(source, @context))    
+  end
+end