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// @tags: [requires_sharding]
(function() {
'use strict';
// This test makes assertions about the number of sessions, which are not compatible with
// implicit sessions.
TestData.disableImplicitSessions = true;
function runTest(conn) {
for (var i = 0; i < 10; ++i) {
conn.getDB("test").test.save({a: i});
}
function countSessions(conn, since) {
conn.adminCommand({refreshLogicalSessionCacheNow: 1});
return conn.getDB("config").system.sessions.countDocuments({lastUse: {"$gt": since}});
}
function getLatestSessionTime(conn) {
conn.getDB("admin").runCommand({refreshLogicalSessionCacheNow: 1});
let lastSession = conn.getDB("config")
.system.sessions.aggregate([{"$sort": {lastUse: -1}}, {$limit: 1}])
.toArray();
return (lastSession.length ? lastSession[0].lastUse : new Date(0));
}
let origSessTime = getLatestSessionTime(conn);
// initially we have no sessions
assert.eq(0, countSessions(conn, origSessTime));
// Calling startSession in the shell doesn't initiate the session
var session = conn.startSession();
assert.eq(0, countSessions(conn, origSessTime));
// running a command that doesn't require auth does touch
session.getDatabase("admin").runCommand("hello");
assert.eq(1, countSessions(conn, origSessTime));
// running a session updating command does touch
session.getDatabase("admin").runCommand({serverStatus: 1});
assert.eq(1, countSessions(conn, origSessTime));
// running a session updating command updates last use
{
var lastUse = getLatestSessionTime(conn);
sleep(200);
session.getDatabase("admin").runCommand({serverStatus: 1});
assert.eq(1, countSessions(conn, origSessTime));
assert.gt(getLatestSessionTime(conn), lastUse);
}
// verify that reading from a cursor updates last use
{
var cursor = session.getDatabase("test").test.find({}).batchSize(1);
cursor.next();
var lastUse = getLatestSessionTime(conn);
sleep(200);
assert.eq(1, countSessions(conn, origSessTime));
cursor.next();
assert.gt(getLatestSessionTime(conn), lastUse);
}
session.endSession();
}
{
var mongod = MongoRunner.runMongod({nojournal: ""});
runTest(mongod);
MongoRunner.stopMongod(mongod);
}
{
var st = new ShardingTest({shards: 1, mongos: 1, config: 1});
st.rs0.getPrimary().getDB("admin").runCommand({refreshLogicalSessionCacheNow: 1});
runTest(st.s0);
st.stop();
}
})();
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