mongodb/jstests/auth/mongoURIAuth.js

// This tests that the shell successfully breaks down the URI and authenticates using
// the specified auth mechanism.

(function() {
    'use strict';

    const runURIAuthTest = function(userMech, uriMech, authMechanism, regexMechanism) {
        const conn = MongoRunner.runMongod({auth: ""});
        const adminDB = conn.getDB("admin");

        adminDB.createUser({
            user: "u",
            pwd: "p",
            roles: ["root"],

        });
        adminDB.auth("u", "p");
        adminDB.setLogLevel(2, "command");

        if (userMech) {
            adminDB.createUser({
                user: "user",
                pwd: "password",
                roles: ["root"],
                mechanisms: [authMechanism],
            });
        } else {
            adminDB.createUser({
                user: "user",
                pwd: "password",
                roles: ["root"],
            });
        }

        var uri;

        if (uriMech) {
            uri = "mongodb://user:password@localhost:" + conn.port + "/admin?authMechanism=" +
                authMechanism;
        } else {
            uri = "mongodb://user:password@localhost:" + conn.port;
        }

        var shell = runMongoProgram('./mongo', uri, "--eval", "db.getName()");
        assert.eq(shell, 0, "Should be able to connect with specified params.");

        const log = adminDB.runCommand({getLog: "global"});
        adminDB.logout();
        const matches = tojson(log.log).match(regexMechanism);
        assert(matches);
        assert.eq(2, matches.length);

        MongoRunner.stopMongod(conn);
    };

    const SCRAM_SHA_256 = "SCRAM-SHA-256";
    const SCRAM_SHA_1 = "SCRAM-SHA-1";

    const SCRAM_SHA_256_regex = /saslStart.*mechanism:.*SCRAM-SHA-256/g;
    const SCRAM_SHA_1_regex = /saslStart.*mechanism:.*SCRAM-SHA-1/g;

    jsTestLog("Test that a mechanism specified in the URI is the chosen authentication method.");
    runURIAuthTest(false, true, SCRAM_SHA_256, SCRAM_SHA_256_regex);

    jsTestLog(
        "Test that a mechanism specified in CreateUser() is the chosen authentication method.");
    runURIAuthTest(true, false, SCRAM_SHA_1, SCRAM_SHA_1_regex);

    jsTestLog("Test that SCRAM-SHA-1 is the default authentication method.");
    runURIAuthTest(false, false, SCRAM_SHA_256, SCRAM_SHA_256_regex);

})();