Add the ability to set the value of nested params

README.md

@@ -392,6 +392,8 @@ Special values:
 * `:required => true` Will display a red '*' to show it's required
 * `:scope => :the_scope` Will scope parameters in the hash, scoping can be nested. See example
 
+The value of scoped parameters can be set with both scoped (`let(:order_item_item_id)`) and unscoped (`let(:item_id)`) methods. It always searches for the scoped method first and falls back to the unscoped method.
+
 ```ruby
 resource "Orders" do
   parameter :auth_token, "Authentication Token"
@@ -403,8 +405,8 @@ resource "Orders" do
     parameter :item, "Order items", :scope => :order
     parameter :item_id, "Item id", :scope => [:order, :item]
 
-    let(:name) { "My Order" }
-    let(:item_id) { 1 }
+    let(:name) { "My Order" } # OR let(:order_name) { "My Order" }
+    let(:item_id) { 1 } # OR let(:order_item_item_id) { 1 }
 
     example "Creating an order" do
       params.should eq({

lib/rspec_api_documentation/dsl/endpoint.rb

@@ -148,11 +148,12 @@ def delete_extra_param(key)
 
     def set_param(hash, param)
       key = param[:name]
-      return hash if in_path?(key)
 
       keys = [param[:scope], key].flatten.compact
       method_name = keys.join('_')
 
+      return hash if in_path?(method_name)
+
       unless respond_to?(method_name)
         method_name = key
         return hash unless respond_to?(method_name)

spec/dsl_spec.rb

@@ -105,10 +105,12 @@
   put "/orders/:id" do
     parameter :type, "The type of drink you want.", :required => true
     parameter :size, "The size of drink you want.", :required => true
+    parameter :id, 'The ID of the resource.', :required => true, scope: :data
     parameter :note, "Any additional notes about your order."
 
     let(:type) { "coffee" }
     let(:size) { "medium" }
+    let(:data_id) { 2 }
 
     let(:id) { 1 }
 
@@ -129,6 +131,10 @@
         end
       end
 
+      it 'should set the scoped data ID' do
+        expect(params['data']).to eq({'id' => 2})
+      end
+
       it "should allow extra parameters to be passed in" do
         expect(client).to receive(method).with(path, params.merge("extra" => true), nil)
         do_request(:extra => true)