Adapted from https://svn.atlassian.com/svn/public/atlassian/vendor/jersey/tags/jersey-project-1.8-atlassian-7/jersey-test-framework/jersey-test-framework-grizzly2/src/test/java/com/sun/jersey/test/framework/impl/container/grizzlyweb2/GrizzlyWebServletAndFilterTest.java

GrizzlyWebServletAndFilterTest

package com.truxall.demo;

import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.spi.container.servlet.ServletContainer;
import com.sun.jersey.test.framework.AppDescriptor;
import com.sun.jersey.test.framework.JerseyTest;
import com.sun.jersey.test.framework.WebAppDescriptor;
import com.sun.jersey.test.framework.spi.container.TestContainerFactory;
import com.sun.jersey.test.framework.spi.container.grizzly2.web.GrizzlyWebTestContainerFactory;
import org.junit.Assert;
import org.junit.Test;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import java.io.IOException;

public class GrizzlyWebServletAndFilterTest extends JerseyTest {

    public static class MyServlet extends ServletContainer {

        public static boolean visited = false;

        @Override
        public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            super.service(req, resp);
            visited = true;
        }
    }

    public static class MyFilter1 implements Filter {

        public static boolean visited = false;

        @Override
        public void init(FilterConfig filterConfig) throws ServletException {
        }

        @Override
        public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
            visited = true;
            filterChain.doFilter(servletRequest, servletResponse);
        }

        @Override
        public void destroy() {
        }
    }

    public static class MyFilter2 implements Filter {

        public static boolean visited = false;

        @Override
        public void init(FilterConfig filterConfig) throws ServletException {
        }

        @Override
        public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
            visited = true;
            filterChain.doFilter(servletRequest, servletResponse);
        }

        @Override
        public void destroy() {
        }
    }

    @Path("GrizzlyWebServletAndFilterTest")
    public static class TestResource {
        @GET
        public String get() {
            return "GET";
        }
    }

    @Override
    protected AppDescriptor configure() {
        return new WebAppDescriptor.Builder("com.truxall.demo")
                .initParam("com.sun.jersey.api.json.POJOMappingFeature", "true")
                .servletClass(MyServlet.class)
                .addFilter(MyFilter1.class, "myFilter1")
                .addFilter(MyFilter2.class, "myFilter2")
                .build();
    }

    @Override
    protected TestContainerFactory getTestContainerFactory() {
        return new GrizzlyWebTestContainerFactory();
    }

    @Test
    public void testGet() {
        WebResource r = resource().path("GrizzlyWebServletAndFilterTest");

        String s = r.get(String.class);
        Assert.assertEquals("GET", s);

        Assert.assertTrue(MyServlet.visited);
        Assert.assertTrue(MyFilter1.visited);
        Assert.assertTrue(MyFilter2.visited);
    }
}