From e1e5ec6f23abde211377ebdb5258762f92fe1164 Mon Sep 17 00:00:00 2001
From: ccocchi <cocchi.c@gmail.com>
Date: Sun, 15 Apr 2012 23:32:26 +0200
Subject: [PATCH] Use explicit error

---
 lib/rabl-fast-json/renderers/base.rb | 4 +++-
 test/renderers/json_renderer_test.rb | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/rabl-fast-json/renderers/base.rb b/lib/rabl-fast-json/renderers/base.rb
index aa7235a..bb8bd9e 100644
--- a/lib/rabl-fast-json/renderers/base.rb
+++ b/lib/rabl-fast-json/renderers/base.rb
@@ -1,5 +1,7 @@
 module RablFastJson
   module Renderers
+    class PartialError < StandardError; end
+
     class Base
 
       def initialize(context) # :nodoc:
@@ -79,7 +81,7 @@ module RablFastJson
       # rendering time.
       #
       def partial(template_path, options = {})
-        raise "No object was given to partial" unless options[:object]
+        raise PartialError.new("No object was given to partial") unless options[:object]
         object = options[:object]
 
         return [] if object.respond_to?(:empty?) && object.empty?
diff --git a/test/renderers/json_renderer_test.rb b/test/renderers/json_renderer_test.rb
index 4c25e8a..b4fd0ec 100644
--- a/test/renderers/json_renderer_test.rb
+++ b/test/renderers/json_renderer_test.rb
@@ -98,7 +98,7 @@ class TestJsonRenderer < ActiveSupport::TestCase
     @template.data = false
     @template.source = { :user => ->(s) { partial('users/base') } }
 
-    assert_raises(RuntimeError) { render_json_output }
+    assert_raises(RablFastJson::Renderers::PartialError) { render_json_output }
   end
 
   test "partial with empty values should not raise an error" do