#295: Storing original API source block in endpoint's attribute.

CHANGELOG.markdown

@@ -4,6 +4,8 @@
 * [#296](https://github.com/intridea/grape/issues/296): Fix: ArgumentError with default error formatter - [@dblock](https://github.com/dblock).
 * [#297](https://github.com/intridea/grape/issues/297): Added `default_error_formatter` - [@dblock](https://github.com/dblock).
 * [#297](https://github.com/intridea/grape/issues/297): Setting `format` will automatically set `default_error_formatter` - [@dblock](https://github.com/dblock).
+* [#295](https://github.com/intridea/grape/issues/295): Storing original API source block in endpoint's `source` attribute - [@dblock](https://github.com/dblock).
+
 * Your contribution here.
 
 0.2.3 (24/12/2012)

lib/grape/endpoint.rb

@@ -6,9 +6,9 @@ module Grape
   # An Endpoint is the proxy scope in which all routing
   # blocks are executed. In other words, any methods
   # on the instance level of this class may be called
-  # from inside a `get`, `post`, etc. block.
+  # from inside a `get`, `post`, etc.
   class Endpoint
-    attr_accessor :block, :options, :settings
+    attr_accessor :block, :source, :options, :settings
     attr_reader :env, :request
 
     class << self
@@ -40,6 +40,7 @@ def initialize(settings, options = {}, &block)
       @settings = settings
       if block_given?
         method_name = "#{options[:method]} #{settings.gather(:namespace).join( "/")} #{Array(options[:path]).join("/")}"
+        @source = block
         @block = self.class.generate_api_method(method_name, &block)
       end
       @options = options

spec/grape/api_spec.rb

@@ -1426,6 +1426,25 @@ def self.call(object, env)
     end
   end
 
+  describe ".endpoint" do
+    before(:each) do
+      subject.format :json
+      subject.get '/endpoint/options' do
+        {
+          :path => options[:path],
+          :source_location => source.source_location
+        }
+      end
+    end
+    it 'path' do
+      get '/endpoint/options'
+      options = MultiJson.load(last_response.body)
+      options["path"].should == ["/endpoint/options"]
+      options["source_location"][0].should include "api_spec.rb"
+      options["source_location"][1].to_i.should > 0
+    end
+  end
+
   describe '.route' do
     context 'plain' do
       before(:each) do

spec/grape/endpoint_spec.rb

@@ -6,10 +6,13 @@ def app; subject end
 
   describe '#initialize' do
     it 'takes a settings stack, options, and a block' do
-      expect{ Grape::Endpoint.new(Grape::Util::HashStack.new, {
-        :path => '/',
-        :method => :get
-      }, &Proc.new{}) }.not_to raise_error
+      p = Proc.new {}
+      expect { 
+        Grape::Endpoint.new(Grape::Util::HashStack.new, {
+          :path => '/',
+          :method => :get
+        }, &p) 
+      }.not_to raise_error
     end
   end