// Term counter should be present in oplog entries under protocol version 1.
import {ReplSetTest} from "jstests/libs/replsettest.js";
import {getLatestOp} from "jstests/replsets/rslib.js";

let name = "oplog_term";
let replSet = new ReplSetTest({name: name, nodes: 1});
replSet.startSet();
replSet.initiate();
replSet.waitForState(replSet.nodes[0], ReplSetTest.State.PRIMARY, 5 * 1000);

// Default protocol version is 1 - 'term' field should present in oplog entry.
let primary = replSet.getPrimary();
let collection = primary.getDB("test").getCollection(name);
assert.commandWorked(collection.save({_id: 1}));

let oplogEntry = getLatestOp(primary);
assert(oplogEntry, "unexpected empty oplog");
assert.eq(collection.getFullName(), oplogEntry.ns, "unexpected namespace in oplog entry: " + tojson(oplogEntry));
assert.eq(1, oplogEntry.o._id, "oplog entry does not refer to most recently inserted document: " + tojson(oplogEntry));
assert(oplogEntry.hasOwnProperty("t"), "oplog entry must contain term: " + tojson(oplogEntry));

let status = assert.commandWorked(primary.adminCommand({replSetGetStatus: 1}));
assert.eq(status.term, oplogEntry.t, "term in oplog entry does not match term in status: " + tojson(oplogEntry));

replSet.stopSet();