mock.js

// mock lightdm for testing purposes
// modified from https://github.com/pedropenna/musfealle/blob/master/js/mock.js
// originally from https://github.com/Antergos/web-greeter/blob/master/themes/_vendor/js/mock.js
if (typeof lightdm == 'undefined') {
    lightdm = {};
    lightdm.hostname = "test-host";
    lightdm.languages = [
        {code: "en_US", name: "English(US)", territory: "USA"},
        {code: "en_UK", name: "English(UK)", territory: "UK"}
    ];
    lightdm.default_language = lightdm.languages[0];
    lightdm.layouts = [{name: "test", short_description: "test description", short_description:"really long epic description"}];
    lightdm.default_layout = lightdm.layouts[0];
    lightdm.layout = lightdm.layouts[0];
    lightdm.sessions=[
        {key: "gnome", name: "GNOME", comment: "no comment"},
        {key: "cinnamon", name: "Cinnamon", comment: "no comment"},
        {key: "openbox", name: "Openbox", comment: "no comment"},
        {key: "kde", name: "KDE", comment: "no comment"}
    ];

    lightdm.default_session=lightdm.sessions[0];
    lightdm.authentication_user = null;
    lightdm.is_authenticated = false;
    lightdm.can_suspend = true;
    lightdm.can_hibernate = true;
    lightdm.can_restart = true;
    lightdm.can_shutdown = true;

    lightdm.users = [
        {name: "clarkk", real_name: "Superman", display_name: "Clark Kent", image: "", language: "en_US", layout: null, session: "gnome", logged_in: false},
        {name: "brucew", real_name: "Batman", display_name: "Bruce Wayne", image: "", language: "en_US", layout: null, session: "cinnamon", logged_in: false},
        {name: "peterp", real_name: "Spiderman", display_name: "Peter Parker", image: "", language: "en_US", layout: null, session: "openbox", logged_in: true},
    ];

    lightdm.num_users = lightdm.users.length;
    lightdm.timed_login_delay = 0; //set to a number higher than 0 for timed login simulation
    lightdm.timed_login_user = lightdm.timed_login_delay > 0 ? lightdm.users[0] : null;

    lightdm.get_string_property = function() {};
    lightdm.get_integer_property = function() {};
    lightdm.get_boolean_property = function() {};
    lightdm.cancel_timed_login = function() {
        _lightdm_mock_check_argument_length(arguments, 0);
        lightdm._timed_login_cancelled = true;
    };

    lightdm.provide_secret = function(secret) {
        console.log("provide_secret: " + secret);
        console.log("lightdm._username : " + lightdm._username);
        if (typeof lightdm._username == 'undefined' || !lightdm._username) {
            throw "must call start_authentication first"
        }
        _lightdm_mock_check_argument_length(arguments, 1);
        var user = _lightdm_mock_get_user(lightdm.username);

        if (!user && secret == lightdm._username) {
            lightdm.is_authenticated = true;
            lightdm.authentication_user = user;
        } else {
            lightdm.is_authenticated = false;
            lightdm.authentication_user = null;
            lightdm._username = null;
        }
        authentication_complete();
    };

    lightdm.start_authentication = function(username) {
        console.log("start_auth: " + username);
        _lightdm_mock_check_argument_length(arguments, 1);
        if (lightdm._username) {
            throw "Already authenticating!";
        }
        var user = _lightdm_mock_get_user(username);
        if (!user) {
            show_error(username + " is an invalid user");
        }
        lightdm._username = username;
        show_prompt("Password: ");
    };

    lightdm.cancel_authentication = function() {
        console.log("cancel_auth");
        _lightdm_mock_check_argument_length(arguments, 0);
        if (!lightdm._username) {
            throw "we are not authenticating";
        }
        lightdm._username = null;
    };

    lightdm.suspend = function() {
        alert("Suspend");
    };

    lightdm.hibernate = function() {
        alert("Hibernate");
    };

    lightdm.restart = function() {
        alert("Reboot");
    };

    lightdm.shutdown = function() {
        alert("Shutdown");
    };

    lightdm.login = function(user, session) {
        console.log("login: " + user + ", session: " + session);
        _lightdm_mock_check_argument_length(arguments, 2);
        if (!lightdm.is_authenticated) {
            throw "The system is not authenticated";
        }
        if (user !== lightdm.authentication_user) {
            throw "this user is not authenticated";
        }
        alert("logged in successfully!!");
    };

    if (lightdm.timed_login_delay > 0) {
        setTimeout(function() {
            if (!lightdm._timed_login_cancelled()) {
                timed_login();
            }
        }, lightdm.timed_login_delay);
    }
}

function _lightdm_mock_check_argument_length(args, length) {
    if (args.length != length) {
        throw "incorrect number of arguments in function call";
    }
}

function _lightdm_mock_get_user(username) {
    var user = null;
    for (var i = 0; i < lightdm.users.length; ++i) {
        if (lightdm.users[i].name == username) {
            user = lightdm.users[i];
            break;
        }
    }
    return user;
}