added test case for multiple level nested document

Author: mohsinh

src/test/java/org/springframework/data/elasticsearch/repositories/NestedObjectTests.java

@@ -21,6 +21,7 @@
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
+import org.springframework.data.elasticsearch.core.query.GetQuery;
 import org.springframework.data.elasticsearch.core.query.IndexQuery;
 import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
 import org.springframework.data.elasticsearch.core.query.SearchQuery;
@@ -148,6 +149,24 @@ public void shouldIndexInitialLevelNestedObject(){
 
     }
 
+	@Test
+	public void shouldIndexMultipleLevelNestedObject() {
+		//given
+		List<IndexQuery> indexQueries = createPerson();
+
+		//when
+		elasticsearchTemplate.putMapping(PersonMultipleLevelNested.class);
+		elasticsearchTemplate.bulkIndex(indexQueries);
+		elasticsearchTemplate.refresh(PersonMultipleLevelNested.class, true);
+
+		//then
+		GetQuery getQuery = new GetQuery();
+		getQuery.setId("1");
+		PersonMultipleLevelNested personIndexed = elasticsearchTemplate.queryForObject(getQuery, PersonMultipleLevelNested.class);
+		assertThat(personIndexed, is(notNullValue()));
+	}
+
+
 	private List<IndexQuery> createPerson() {
 
 		PersonMultipleLevelNested person1 = new PersonMultipleLevelNested();