Allow enriched properties to be searched against

app/models/blacklight_config/search_field.rb

@@ -14,8 +14,22 @@ def solr_parameters
       if opts[:qf]
         {:qf => opts[:qf]}
       else
-        {:qf => Solrizer.solr_name(key, :stored_searchable) }
+        {:qf => all_properties.map(&:property_key)}
       end
     end
+
+    private
+
+    def all_properties
+      [property] | property.derivative_properties.values
+    end
+
+    def property
+      @property ||= SolrProperty.new(solr_name)
+    end
+
+    def solr_name
+      Solrizer.solr_name(key, :stored_searchable)
+    end
   end
 end

spec/models/blacklight_config/search_field_spec.rb

@@ -31,7 +31,12 @@
     end
     context "by default" do
       it "should set qf" do
-        expect(subject.solr_parameters).to eq ({:qf => Solrizer.solr_name(field, :stored_searchable)})
+        qf = subject.solr_parameters[:qf]
+        expect(qf).to include Solrizer.solr_name(field, :stored_searchable)
+      end
+      it "should add derivative keys" do
+        qf = subject.solr_parameters[:qf]
+        expect(qf).to include Solrizer.solr_name(field+"_preferred_label", :stored_searchable)
       end
     end
   end