[STORE] Fixed, that search respects document_type set in class

Closes #77

Author: pepe

elasticsearch-persistence/lib/elasticsearch/persistence/repository/search.rb

@@ -40,7 +40,7 @@ module Search
         # @return [Elasticsearch::Persistence::Repository::Response::Results]
         #
         def search(query_or_definition, options={})
-          type     = (klass ? __get_type_from_class(klass) : nil  )
+          type = document_type || (klass ? __get_type_from_class(klass) : nil  )
           case
           when query_or_definition.respond_to?(:to_hash)
             response = client.search( { index: index_name, type: type, body: query_or_definition.to_hash }.merge(options) )

elasticsearch-persistence/test/unit/repository_search_test.rb

@@ -8,6 +8,7 @@ class MyDocument; end
       @shoulda_subject = Class.new() { include Elasticsearch::Persistence::Repository::Search }.new
 
       @client = mock
+      @shoulda_subject.stubs(:document_type).returns(nil)
       @shoulda_subject.stubs(:klass).returns(nil)
       @shoulda_subject.stubs(:index_name).returns('test')
       @shoulda_subject.stubs(:client).returns(@client)