[STORE] Added missing test for Elasticsearch::Persistence::Model::Utils.lookup_type

Author: karmi

elasticsearch-persistence/test/unit/model_gateway_test.rb

@@ -70,6 +70,14 @@ def run!; DummyGatewayModel.gateway { |g| @b += 1 }; end
                    DummyGatewayModel.mapping.to_hash[:dummy_gateway_model][:properties][:name][:analyzer]
     end
 
+    should "properly look up types for classes" do
+      assert_equal 'string',  Elasticsearch::Persistence::Model::Utils::lookup_type(String)
+      assert_equal 'integer', Elasticsearch::Persistence::Model::Utils::lookup_type(Integer)
+      assert_equal 'float',   Elasticsearch::Persistence::Model::Utils::lookup_type(Float)
+      assert_equal 'date',    Elasticsearch::Persistence::Model::Utils::lookup_type(Date)
+      assert_equal 'boolean', Elasticsearch::Persistence::Model::Utils::lookup_type(Virtus::Attribute::Boolean)
+    end
+
     should "remove IDs from hash when serializing" do
       assert_equal( {foo: 'bar'}, DummyGatewayModel.gateway.serialize(id: '123', foo: 'bar') )
     end