DATAREST-169 - Added integration test to access property.

spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/AbstractWebIntegrationTests.java

@@ -42,6 +42,8 @@ import org.springframework.test.web.servlet.ResultMatcher;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
+import com.jayway.jsonpath.JsonPath;
+
 /**
  * @author Oliver Gierke
  */
@@ -113,6 +115,16 @@ public abstract class AbstractWebIntegrationTests {
 		return link;
 	}
 
+	protected Link assertHasContentLinkWithRel(String rel, MockHttpServletResponse response) throws Exception {
+
+		String href = JsonPath
+				.read(response.getContentAsString(), String.format("$..links[?(@.rel == '%s')].href[0]", rel)).toString();
+		assertThat("Expected to find a link with rel" + rel + " in the content section of the response!", href,
+				is(notNullValue()));
+
+		return new Link(href, rel);
+	}
+
 	protected void assertDoesNotHaveLinkWithRel(String rel, MockHttpServletResponse response) throws Exception {
 
 		String content = response.getContentAsString();

spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/RepositorySearchControllerIntegrationTests.java

@@ -27,7 +27,7 @@ import org.springframework.data.rest.webmvc.jpa.CreditCard;
 import org.springframework.data.rest.webmvc.jpa.JpaRepositoryConfig;
 import org.springframework.data.rest.webmvc.jpa.Order;
 import org.springframework.data.rest.webmvc.jpa.Person;
-import org.springframework.data.rest.webmvc.jpa.PersonLoader;
+import org.springframework.data.rest.webmvc.jpa.TestDataPopulator;
 import org.springframework.hateoas.PagedResources;
 import org.springframework.hateoas.Resource;
 import org.springframework.hateoas.Resources;
@@ -44,12 +44,12 @@ import org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class RepositorySearchControllerIntegrationTests extends AbstractControllerIntegrationTests {
 
-	@Autowired PersonLoader loader;
+	@Autowired TestDataPopulator loader;
 	@Autowired RepositorySearchController controller;
 
 	@Before
 	public void setUp() {
-		loader.populateRepository();
+		loader.populateRepositories();
 	}
 
 	@Test

spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/jpa/JpaWebTests.java

@@ -15,6 +15,8 @@
  */
 package org.springframework.data.rest.webmvc.jpa;
 
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
@@ -39,7 +41,7 @@ import org.springframework.transaction.annotation.Transactional;
 @ContextConfiguration(classes = JpaRepositoryConfig.class)
 public class JpaWebTests extends AbstractWebIntegrationTests {
 
-	@Autowired PersonLoader loader;
+	@Autowired TestDataPopulator loader;
 	@Autowired ResourceMappings mappings;
 
 	/* 
@@ -49,7 +51,7 @@ public class JpaWebTests extends AbstractWebIntegrationTests {
 	@Override
 	@Before
 	public void setUp() {
-		loader.populateRepository();
+		loader.populateRepositories();
 		super.setUp();
 	}
 
@@ -89,4 +91,19 @@ public class JpaWebTests extends AbstractWebIntegrationTests {
 		assertHasLinkWithRel(Link.REL_PREVIOUS, response);
 		assertDoesNotHaveLinkWithRel(Link.REL_NEXT, response);
 	}
+
+	/**
+	 * @see DATAREST-169
+	 */
+	@Test
+	public void exposesCreatorOfAnOrder() throws Exception {
+
+		MockHttpServletResponse response = request("/");
+		Link ordersLink = assertHasLinkWithRel("orders", response);
+
+		MockHttpServletResponse orders = request(ordersLink);
+
+		Link creatorLink = assertHasContentLinkWithRel("creator", orders);
+		assertThat(request(creatorLink), is(notNullValue()));
+	}
 }

spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/jpa/Order.java

@@ -16,17 +16,21 @@
 package org.springframework.data.rest.webmvc.jpa;
 
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 import javax.persistence.ManyToOne;
+import javax.persistence.Table;
 
 /**
  * @author Oliver Gierke
  */
 @Entity
+@Table(name = "ORDERS")
 public class Order {
 
-	@Id private Long id;
-	@ManyToOne private Person creator;
+	@Id @GeneratedValue private Long id;
+	@ManyToOne(fetch = FetchType.LAZY) private Person creator;
 
 	public Order(Person creator) {
 		this.creator = creator;

spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/jpa/TestDataPopulator.java

@@ -9,16 +9,35 @@ import org.springframework.stereotype.Component;
  * @author Jon Brisbin
  */
 @Component
-public class PersonLoader {
+public class TestDataPopulator {
 
 	private final PersonRepository people;
+	private final OrderRepository orders;
 
 	@Autowired
-	public PersonLoader(PersonRepository people) {
+	public TestDataPopulator(PersonRepository people, OrderRepository orders) {
 		this.people = people;
+		this.orders = orders;
 	}
 
-	public void populateRepository() {
+	public void populateRepositories() {
+
+		populatePeople();
+		populateOrders();
+	}
+
+	private void populateOrders() {
+
+		if (orders.count() != 0) {
+			return;
+		}
+
+		Person person = people.findAll().iterator().next();
+
+		orders.save(new Order(person));
+	}
+
+	private void populatePeople() {
 
 		if (people.count() != 0) {
 			return;