mongo/jstests/concurrency/fsm_workloads/auth_drop_user.js

'use strict';

/**
 * auth_drop_user.js
 *
 * Repeatedly creates a new user on a database, and subsequently
 * drops the user from the database.
 */
var $config = (function() {

    var data = {
        // Use the workload name as a prefix for the username,
        // since the workload name is assumed to be unique.
        prefix: 'auth_drop_user'
    };

    var states = (function() {

        function uniqueUsername(prefix, tid, num) {
            return prefix + tid + '_' + num;
        }

        function init(db, collName) {
            this.num = 0;
        }

        function createAndDropUser(db, collName) {
            var username = uniqueUsername(this.prefix, this.tid, this.num++);
            db.createUser({
                user: username,
                pwd: 'password',
                roles: ['readWrite', 'dbAdmin']
            });

            var res = db.getUser(username);
            assertAlways(res !== null, "user '" + username + "' should exist");
            assertAlways.eq(username, res.user);
            assertAlways.eq(db.getName(), res.db);

            assertAlways(db.dropUser(username));
            assertAlways.isnull(db.getUser(username),
                                "user '" + username + "' should not exist");
        }

        return {
            init: init,
            createAndDropUser: createAndDropUser
        };

    })();

    var transitions = {
        init: { createAndDropUser: 1 },
        createAndDropUser: { createAndDropUser: 1 }
    };

    return {
        threadCount: 10,
        iterations: 20,
        data: data,
        states: states,
        transitions: transitions
    };

})();