// Test that the "appendOplogNote" command works properly var rs = new ReplSetTest({name: "oplogNoteTest", nodes: 1}); rs.startSet(); rs.initiate(); var primary = rs.getPrimary(); var db = primary.getDB('admin'); db.foo.insert({a: 1}); // Make sure "optime" field gets updated var statusBefore = db.runCommand({replSetGetStatus: 1}); assert.commandWorked(db.runCommand({appendOplogNote: 1, data: {a: 1}})); var statusAfter = db.runCommand({replSetGetStatus: 1}); assert.lt(statusBefore.members[0].optime.ts, statusAfter.members[0].optime.ts); // Make sure note written successfully var op = db.getSiblingDB('local').oplog.rs.find().sort({$natural: -1}).limit(1).next(); assert.eq(1, op.o.a); rs.stopSet();