/** * Tests that reads and writes in a replica set return the correct operationTime for their * read/write concern level. Majority reads and writes return the last committed optime's timestamp * and local reads and writes return the last applied optime's timestamp. * @tags: [requires_majority_read_concern] */ import {ReplSetTest} from "jstests/libs/replsettest.js"; function assertCorrectOperationTime(operationTime, expectedTimestamp, opTimeType) { assert.eq( 0, timestampCmp(operationTime, expectedTimestamp), "operationTime in command response, " + tojson(operationTime) + ", does not equal the last " + opTimeType + " timestamp, " + tojson(expectedTimestamp), ); } let name = "command_response_operation_time"; let replTest = new ReplSetTest({name: name, nodes: 3, waitForKeys: true}); replTest.startSet(); replTest.initiate(); let res, statusRes; let testDB = replTest.getPrimary().getDB(name); jsTestLog("Executing majority write."); res = assert.commandWorked(testDB.runCommand({insert: "foo", documents: [{x: 1}], writeConcern: {w: "majority"}})); statusRes = assert.commandWorked(testDB.adminCommand({replSetGetStatus: 1})); assertCorrectOperationTime(res.operationTime, statusRes.optimes.lastCommittedOpTime.ts, "committed"); jsTestLog("Executing local write."); res = assert.commandWorked(testDB.runCommand({insert: "foo", documents: [{x: 2}]})); statusRes = assert.commandWorked(testDB.adminCommand({replSetGetStatus: 1})); assertCorrectOperationTime(res.operationTime, statusRes.optimes.appliedOpTime.ts, "applied"); replTest.awaitLastOpCommitted(); jsTestLog("Executing majority read."); res = assert.commandWorked(testDB.runCommand({find: "foo", filter: {x: 1}, readConcern: {level: "majority"}})); statusRes = assert.commandWorked(testDB.adminCommand({replSetGetStatus: 1})); assertCorrectOperationTime(res.operationTime, statusRes.optimes.lastCommittedOpTime.ts, "committed"); jsTestLog("Executing local read."); res = assert.commandWorked(testDB.runCommand({find: "foo", filter: {x: 1}})); statusRes = assert.commandWorked(testDB.adminCommand({replSetGetStatus: 1})); assertCorrectOperationTime(res.operationTime, statusRes.optimes.appliedOpTime.ts, "applied"); replTest.stopSet();