public void testGetMappings() throws Exception {
CreateIndexResponse createIndexResponse = prepareCreate("test").addMapping("type1", "{\"type1\":{}}").execute().actionGet();
assertAcked(createIndexResponse);
GetIndexResponse getIndexResponse = client().admin().indices().prepareGetIndex().addIndices("test").addFeatures("_mappings")
.execute().actionGet();
ImmutableOpenMap<String, ImmutableOpenMap<String, MappingMetaData>> mappings = getIndexResponse.mappings();
assertThat(mappings, notNullValue());
assertThat(mappings.size(), equalTo(1));
ImmutableOpenMap<String, MappingMetaData> indexMappings = mappings.get("test");
assertThat(indexMappings, notNullValue());
assertThat(indexMappings.size(), anyOf(equalTo(1), equalTo(2)));