/** @see DATAREST-609 */
  @Test
  public void addsSelfAndSingleResourceLinkToResourceByDefault() throws Exception {

    Projector projector = mock(Projector.class);

    when(projector.projectExcerpt(anyObject())).thenAnswer(new ReturnsArgumentAt(0));

    PersistentEntityResourceAssembler assembler =
        new PersistentEntityResourceAssembler(
            entities,
            projector,
            associations,
            new DefaultSelfLinkProvider(
                entities, entityLinks, Collections.<EntityLookup<?>>emptyList()));

    User user = new User();
    user.id = BigInteger.valueOf(4711);

    PersistentEntityResource resource = assembler.toResource(user);

    Links links = new Links(resource.getLinks());

    assertThat(links, is(Matchers.<Link>iterableWithSize(2)));
    assertThat(links.getLink("self").getVariables(), is(Matchers.empty()));
    assertThat(links.getLink("user").getVariableNames(), is(hasItem("projection")));
  }
  @Test
  public void accessServiceUsingRestTemplate() {

    // Access root resource

    URI uri = URI.create(String.format(SERVICE_URI, port));
    RequestEntity<Void> request = RequestEntity.get(uri).accept(HAL_JSON).build();
    Resource<Object> rootLinks =
        restOperations.exchange(request, new ResourceType<Object>() {}).getBody();
    Links links = new Links(rootLinks.getLinks());

    // Follow stores link

    Link storesLink = links.getLink("stores").expand();
    request = RequestEntity.get(URI.create(storesLink.getHref())).accept(HAL_JSON).build();
    Resources<Store> stores =
        restOperations.exchange(request, new ResourcesType<Store>() {}).getBody();

    stores.getContent().forEach(store -> log.info("{} - {}", store.name, store.address));
  }