Test for spaces in path with Jersey. Stack Overflow http://stackoverflow.com/q/36693635/2587435

SpaceInPathTest.java

import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.filter.LoggingFilter;
import com.sun.jersey.api.core.DefaultResourceConfig;
import com.sun.jersey.spi.container.servlet.WebComponent;
import com.sun.jersey.test.framework.JerseyTest;
import com.sun.jersey.test.framework.WebAppDescriptor;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import org.junit.Test;

import static junit.framework.Assert.assertEquals;

/**
 * Stack Overflow question http://stackoverflow.com/q/36693635/2587435
 * 
 * Run this like any other JUnit test. Only requires one test dependency to run
 * 
 *  <dependency>
 *      <groupId>com.sun.jersey.jersey-test-framework</groupId>
 *      <artifactId>jersey-test-framework-grizzly2</artifactId>
 *      <version>1.19</version>
 *      <scope>test</scope>
 *  </dependency>
 * 
 * @author Paul Samsotha
 */
public class SpaceInPathTest extends JerseyTest {
    
    @Path("service")
    public static class Service {
        @GET
        @Path("test/{param1}/{param2}")
        public String getTest(@PathParam("param1") String param1,
                              @PathParam("param2") String param2) { 
            return param1 + ":" + param2; 
        }
    }

    public static class AppConfig extends DefaultResourceConfig {
        public AppConfig() {
            super(Service.class);
        }
    }

    @Override
    public WebAppDescriptor configure() {
        return new WebAppDescriptor.Builder()
                .initParam(WebComponent.RESOURCE_CONFIG_CLASS, 
                           AppConfig.class.getName())
                .build();
    }
    
    @Test
    public void testSpaceInPath() {
        client().addFilter(new LoggingFilter());
        ClientResponse response = resource()
                .path("service/test/hello world/hello again")
                .get(ClientResponse.class);
        assertEquals(200, response.getStatus());
        assertEquals("hello world:hello again", response.getEntity(String.class));
    }
}