final Settings settings = settings(version).build();
IndexMetaData indexMetaData = IndexMetaData.builder(index).settings(settings).numberOfShards(numberOfShards).numberOfReplicas(randomInt(3)).build();
MetaData.Builder metaData = MetaData.builder().put(indexMetaData, false);
RoutingTable routingTable = RoutingTable.builder().addAsNew(indexMetaData).build();
ClusterState clusterState = ClusterState.builder(ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).build();
final int shardId = operationRouting.indexShards(clusterState, index, type, id, routing).shardId().getId();
if (version.before(Version.V_2_0_0)) {
assertEquals(pre20ExpectedShardId, shardId);
} else {
assertEquals(currentExpectedShard, shardId);
}