mongodb/jstests/noPassthrough/traffic_reading_legacy.js

// tests for the traffic_recording commands.
(function() {
var baseName = "jstests_traffic_recording";

// Variables for this test
const recordingDir = MongoRunner.toRealDir("$dataDir/traffic_recording/");
const recordingFile = "recording.txt";
const recordingFilePath = MongoRunner.toRealDir(recordingDir + "/" + recordingFile);

// Create the recording directory if it does not already exist
mkdir(recordingDir);

// Create the options and run mongod
var opts = {auth: "", setParameter: "trafficRecordingDirectory=" + recordingDir};
m = MongoRunner.runMongod(opts);

// Get the port of the host
var serverPort = m.port;

// Set the readMode and writeMode to legacy
m.forceReadMode("legacy");
m.forceWriteMode("legacy");

// Create necessary users
adminDB = m.getDB("admin");
const testDB = m.getDB("test");
const coll = testDB.getCollection("foo");
adminDB.createUser({user: "admin", pwd: "pass", roles: jsTest.adminUserRoles});
adminDB.auth("admin", "pass");

// Start recording traffic
assert.commandWorked(adminDB.runCommand({'startRecordingTraffic': 1, 'filename': 'recording.txt'}));

// Run a few commands
testDB.runCommand({"serverStatus": 1});
coll.insert({"name": "foo biz bar"});
coll.findOne();
coll.insert({"name": "foo bar"});
coll.findOne({"name": "foo bar"});
coll.deleteOne({});

// Stop recording traffic
assert.commandWorked(testDB.runCommand({'stopRecordingTraffic': 1}));

// Shutdown Mongod
MongoRunner.stopMongod(m, null, {user: 'admin', pwd: 'password'});

// Counters
var opCodes = {};

// Pass filepath to traffic_reader helper method to get recorded info in BSON
var res = convertTrafficRecordingToBSON(recordingFilePath);

// Iterate through the results and assert the above commands are properly recorded
res.forEach((obj) => {
    opCodes[obj["rawop"]["header"]["opcode"]] =
        (opCodes[obj["rawop"]["header"]["opcode"]] || 0) + 1;
    assert.eq(obj["seenconnectionnum"], 1);
    var responseTo = obj["rawop"]["header"]["responseto"];
    if (responseTo == 0) {
        assert.eq(obj["destendpoint"], serverPort.toString());
    } else {
        assert.eq(obj["srcendpoint"], serverPort.toString());
    }
});

// ensure legacy operations worked properly
assert.eq(opCodes[2002], 2);
assert.eq(opCodes[2006], 1);
})();