@Test
public void testEnsureIndex() throws Exception {
Person p1 = new Person("Oliver");
p1.setAge(25);
template.insert(p1);
Person p2 = new Person("Sven");
p2.setAge(40);
template.insert(p2);
template
.indexOps(Person.class)
.ensureIndex(new Index().on("age", Order.DESCENDING).unique(Duplicates.DROP));
DBCollection coll = template.getCollection(template.getCollectionName(Person.class));
List<DBObject> indexInfo = coll.getIndexInfo();
assertThat(indexInfo.size(), is(2));
String indexKey = null;
boolean unique = false;
boolean dropDupes = false;
for (DBObject ix : indexInfo) {
if ("age_-1".equals(ix.get("name"))) {
indexKey = ix.get("key").toString();
unique = (Boolean) ix.get("unique");
dropDupes = (Boolean) ix.get("dropDups");
}
}
assertThat(indexKey, is("{ \"age\" : -1}"));
assertThat(unique, is(true));
assertThat(dropDupes, is(true));
List<IndexInfo> indexInfoList = template.indexOps(Person.class).getIndexInfo();
System.out.println(indexInfoList);
assertThat(indexInfoList.size(), is(2));
IndexInfo ii = indexInfoList.get(1);
assertThat(ii.isUnique(), is(true));
assertThat(ii.isDropDuplicates(), is(true));
assertThat(ii.isSparse(), is(false));
assertThat(ii.getFieldSpec().containsKey("age"), is(true));
assertThat(ii.getFieldSpec().containsValue(Order.DESCENDING), is(true));
}
