ClientBuilderTest.java

package org.jboss.resteasy.test.client;

import org.jboss.resteasy.utils.TestUtil;
import org.junit.Assert;
import org.junit.Test;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Feature;
import javax.ws.rs.core.FeatureContext;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.RuntimeDelegate;

import static org.jboss.resteasy.test.TestPortProvider.generateURL;

/**
 * @tpSubChapter Resteasy-client
 * @tpChapter Unit tests
 * @tpSince RESTEasy 3.0.16
 *
 */
public class ClientBuilderTest {

   /**
    * @tpTestDetails Create string entity with unparsable media type
    * @tpPassCrit IllegalArgumentException is raised
    * @tpSince RESTEasy 3.0.16
    */
   @Test(expected = IllegalArgumentException.class)
   public void entityStringThrowsExceptionWhenUnparsableTest() throws Exception {
      Entity.entity("entity", "\\//\\");
      Assert.fail();
   }

   /**
    * @tpTestDetails Create client, set up custom property for it, get client configuration
    * and create new client using that configuration
    * @tpPassCrit Client is created
    * @tpSince RESTEasy 3.0.16
    */
   @Test
   public void testBuilder() throws Exception {
      String property = "prop";
      Client client = ClientBuilder.newClient();
      client.property(property, property);
      Configuration config = client.getConfiguration();
      client = ClientBuilder.newClient(config);

   }

   /**
    * @tpTestDetails Create client with custom property, check that property is set and remove the property
    * from client configuration
    * @tpPassCrit Property is added and removed from client configuration
    * @tpSince RESTEasy 3.0.16
    */
   @Test
   public void addAndRemovePropertyTest() throws Exception {
      String property = "prop";
      Client client = ClientBuilder.newClient();
      client.property(property, property);
      Object p = client.getConfiguration().getProperty(property);
      Assert.assertEquals("prop", (String) p);
      try {
         client.property(property, null);
      } catch (NullPointerException e) {
         Assert.fail(TestUtil.getErrorMessageForKnownIssue("JBEAP-324", "Couldn't remove property"));
      }
      p = client.getConfiguration().getProperty(property);
      Assert.assertEquals(null, p);
   }

   /**
    * @tpTestDetails Invoke target method on the closed client
    * @tpPassCrit IllegalStateException is raised
    * @tpSince RESTEasy 3.0.16
    */
   @Test(expected = IllegalStateException.class)
   public void closeClientSendRequestTest() throws Exception {
      Client client = ClientBuilder.newClient();
      client.close();
      client.target(generateURL("/"));
   }

   /**
    * @tpTestDetails Create Webtarget instance, close the client and execute get request on the original
    * Webtarget instance
    * @tpPassCrit IllegalStateException is raised
    * @tpSince RESTEasy 3.0.16
    */
   @Test(expected = IllegalStateException.class)
   public void closeClientWebTargetTest() throws Exception {
      Client client = ClientBuilder.newClient();
      WebTarget base = client.target(generateURL("/") + "/test");
      client.close();
      Response response = base.request().get();
   }
   /**
    * @tpTestDetails Create link instance with jaxrs spec apis to check there is no NPE thrown
    * @tpPassCrit Link object is successfully created
    * @tpSince RESTEasy 3.5
    */
   @Test
   public void testLinkBuilder() throws Exception {
      Link link = RuntimeDelegate.getInstance().createLinkBuilder()
            .baseUri("http://jboss.org/resteasy").rel("relation relation2").title("titleX")
            .param("param1", "value1").param("param2", "value2")
            .type(MediaType.APPLICATION_OCTET_STREAM).build();
      Assert.assertNotNull("Build link failed", link);
   }

   @Test
   public void testRegisterContextResolverClass() {
      ClientBuilder.newBuilder()
            .register(new CustomContextResolver())
            .build();
   }

   @Test
   public void testRegisterContextResolverAnonymousClass() {
      ClientBuilder.newBuilder()
            .register(new ContextResolver<MyObject>() {

               @Override
               public MyObject getContext(Class<?> type) {
                  return null;
               }

            })
            .build();
   }

   @Test(expected = RuntimeException.class)
   public void testRegisterContextResolverLambda() {
      ClientBuilder.newBuilder()
            .register((ContextResolver<MyObject>) type -> null)
            .build();
   }

   public static class MyObject {

   }

   public static class CustomContextResolver implements ContextResolver<MyObject> {

      @Override
      public MyObject getContext(Class<?> type) {
         return null;
      }

   }

   public static class FeatureReturningFalse implements Feature {
      @Override
      public boolean configure(FeatureContext context) {
         // false returning feature is not to be registered
         return false;
      }
   }
}