import {ShardingTest} from "jstests/libs/shardingtest.js";

let st = new ShardingTest({
    shards: 2,
    other: {chunkSize: 1, useHostname: true, keyFile: "jstests/libs/key1"},
});

let mongos = st.s;
let adminDB = mongos.getDB("admin");
var db = mongos.getDB("test");

adminDB.createUser({user: "admin", pwd: "password", roles: jsTest.adminUserRoles});

jsTestLog("Add user was successful");

// Test for SERVER-6549, make sure that repeatedly logging in always passes.
for (let i = 0; i < 100; i++) {
    adminDB = new Mongo(mongos.host).getDB("admin");
    assert(adminDB.auth("admin", "password"), "Auth failed on attempt #: " + i);
}

st.stop();