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path: root/jstests/auth/refresh_logical_session_cache_with_long_usernames.js
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// Verifies that we've fixed SERVER-33158 by creating large user lsid refresh records (via large
// usernames)

(function() {
'use strict';

// This test makes assertions about the number of sessions, which are not compatible with
// implicit sessions.
TestData.disableImplicitSessions = true;

const mongod = MongoRunner.runMongod({auth: ""});

const refresh = {
    refreshLogicalSessionCacheNow: 1
};
const startSession = {
    startSession: 1
};

const admin = mongod.getDB('admin');
const db = mongod.getDB("test");
const config = mongod.getDB("config");

admin.createUser({user: 'admin', pwd: 'pass', roles: jsTest.adminUserRoles});
assert(admin.auth('admin', 'pass'));

const longUserName = "x".repeat(1000);

// Create a user with a long name, so that the refresh records have a chance to blow out the
// 16MB limit, if all the sessions are flushed in one batch
db.createUser({user: longUserName, pwd: 'pass', roles: jsTest.basicUserRoles});
admin.logout();

assert(db.auth(longUserName, 'pass'));

// 20k * 1k = 20mb which is greater than 16mb
const numSessions = 20000;
for (var i = 0; i < numSessions; i++) {
    assert.commandWorked(admin.runCommand(startSession), "unable to start session");
}

assert.commandWorked(admin.runCommand(refresh), "failed to refresh");

// Make sure we actually flushed the sessions
assert.eq(
    numSessions,
    config.system.sessions.aggregate([{'$listSessions': {}}, {'$count': "count"}]).next().count);

MongoRunner.stopMongod(mongod);
})();