How to test JERSEY controller methods with UriInfo

Question

I am writing unit test for a JERSEY project.

For methods with no query string , I can just instantiate controller and call the method.

Also work for argument in the path because they appear as string arguments of the method.

But when I get queryStrings the mode has a special argument (@Context UriInfo url)

How can I build the UriInfo argument in my unit tests ? Why does this class has no constructor ?

Answer 1

If you're using Mockito in your tests, you could mock out UriInfo instead:

import java.net.URI;
import javax.ws.rs.core.UriInfo;

UriInfo mockUriInfo = mock(UriInfo.class);
when(mockUriInfo.getRequestUri()).thenReturn(new URI("http://www.test.com/go"));

Answer 2

UriInfo is an interface so you can't create its object directly. You need to subclass it and create your own UriInfo class. So your uriinfo class should convert String uri/url into UriInfo object.

public class UriInformation implements UriInfo {
    MultivaluedMap<String, String> pathParamMap;
    MultivaluedMap<String, String> queryParamMap;
    public UriInformation(UriInfo uriInfo) {
        //parse uriInfo 
    }
 //setters/getters
}

So this way you can unit test your resources without running it inside tomcat/server.