[MODEL] Added, that HashWrapper, a sub-class of Hashie::Mash is used

To prevent Hashie warnings, use the class introduced in 5732fa3
for wrapping Hashes, instead of Hashie::Mash directly.

Closes elastic#666

Author: karmi

elasticsearch-model/lib/elasticsearch/model.rb

@@ -1,11 +1,12 @@
-require 'elasticsearch'
-
-require 'hashie'
+require 'hashie/mash'
 
 require 'active_support/core_ext/module/delegation'
 
+require 'elasticsearch'
+
 require 'elasticsearch/model/version'
 
+require 'elasticsearch/model/hash_wrapper'
 require 'elasticsearch/model/client'
 
 require 'elasticsearch/model/multimodel'

elasticsearch-model/lib/elasticsearch/model/response.rb

@@ -28,7 +28,7 @@ def initialize(klass, search, options={})
         #
         def response
           @response ||= begin
-            Hashie::Mash.new(search.execute!)
+            HashWrapper.new(search.execute!)
           end
         end
 
@@ -63,7 +63,7 @@ def timed_out
         # Returns the statistics on shards
         #
         def shards
-          Hashie::Mash.new(response['_shards'])
+          HashWrapper.new(response['_shards'])
         end
 
         # Returns a Hashie::Mash of the aggregations

elasticsearch-model/lib/elasticsearch/model/response/result.rb

@@ -14,7 +14,7 @@ class Result
         # @param attributes [Hash] A Hash with document properties
         #
         def initialize(attributes={})
-          @result = Hashie::Mash.new(attributes)
+          @result = HashWrapper.new(attributes)
         end
 
         # Return document `_id` as `id`

elasticsearch-model/test/unit/response_test.rb

@@ -27,7 +27,7 @@ def self.document_type; 'bar'; end
       assert_equal 'OK',        response.shards.one
     end
 
-    should "wrap the raw Hash response in Hashie::Mash" do
+    should "wrap the raw Hash response in a HashWrapper" do
       @search  = Elasticsearch::Model::Searching::SearchRequest.new OriginClass, '*'
       @search.stubs(:execute!).returns({'hits' => { 'hits' => [] }, 'aggregations' => { 'dates' => 'FOO' }})