var st = new ShardingTest({ other: { rs: true , rsOptions: {nodes: 2} } }); var mongos = st.s0; var coll = mongos.getCollection( 'foo.bar' ); var shardAdmin = st.shard0.getDB( 'admin' ); mongosAdmin.runCommand({ enableSharding: coll.getDB().getName() }); mongosAdmin.runCommand({ shardCollection: coll.getFullName(), key: {_id: 1} }); // Doesn't match number of keys. assert .commandFailed(shardAdmin.runCommand({ cleanupOrphaned: coll.getFullName(), startingFromKey: {someKey: 'someValue' , someOtherKey: 1} })); // Matches number of keys but not key name. This will succeed but should fail. assert .commandFailed(shardAdmin.runCommand({ cleanupOrphaned: coll.getFullName(), startingFromKey: {someKey: 'someValue' } }));