@Test
public void collectionName() throws Exception {

	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setParameter("col_name", "test");
	
	RequestBuilder<SearchRequest> builder = new RequestBuilder<SearchRequest>();
	SearchRequest searchRequest = builder.mappingRequestParam(request, SearchRequest.class);
	
	Assert.assertEquals("test", searchRequest.getCollectionName());
}