gnome-shell/js/perf/headlessStart.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported init, run, finish, script_monitorsChanged, script_overviewHideDone,
script_overviewShowDone, METRICS,
*/
/* eslint camelcase: ["error", { properties: "never", allow: ["^script_"] }] */
const {GLib, MetaTest, Shell} = imports.gi;
const Main = imports.ui.main;
const Scripting = imports.ui.scripting;
// This script tests that the shell handles connecting monitors after startup
// is properly handled.
var METRICS = {};
let _testMonitor = null;
/**
* init:
*/
function init() {
global.connect('shutdown', () => {
_testMonitor?.destroy();
});
global.context.connect('started',
() => {
GLib.timeout_add_seconds(
GLib.PRIORITY_LOW, 2,
() => {
log('Connecting 1280x720 test monitor');
_testMonitor = MetaTest.TestMonitor.new(
global.context, 1280, 720, 60.0);
});
});
Scripting.defineScriptEvent('monitorsChanged', 'Monitors changed');
const display = global.display;
console.assert(display.get_n_monitors() === 0, 'Not running headless');
const monitorManager = global.backend.get_monitor_manager();
const monitorsChangedHandlerId = monitorManager.connect('monitors-changed',
() => {
console.assert(display.get_n_monitors() === 1,
'Expected a single monitor');
Scripting.scriptEvent('monitorsChanged');
monitorManager.disconnect(monitorsChangedHandlerId);
});
Shell.PerfLog.get_default().set_enabled(true);
}
/**
* run:
*/
async function run() {
/* eslint-disable no-await-in-loop */
Scripting.defineScriptEvent('overviewShowDone', 'Overview finished showing');
Scripting.defineScriptEvent('overviewHideDone', 'Overview finished hiding');
Main.overview.connect('shown',
() => Scripting.scriptEvent('overviewShowDone'));
Main.overview.connect('hidden',
() => Scripting.scriptEvent('overviewHideDone'));
Main.overview.hide();
await Scripting.waitLeisure();
Main.overview.show();
await Scripting.waitLeisure();
/* eslint-enable no-await-in-loop */
}
let monitorsChanged = false;
let overviewHidden = false;
let overviewShown = false;
/**
* script_monitorsChanged:
*/
function script_monitorsChanged() {
monitorsChanged = true;
}
/**
* script_overviewHideDone:
*/
function script_overviewHideDone() {
overviewHidden = true;
}
/**
* script_overviewShowDone:
*/
function script_overviewShowDone() {
overviewShown = true;
}
/**
* finish:
*/
function finish() {
if (!monitorsChanged)
throw new Error('Monitors never changed');
if (!overviewHidden)
throw new Error('Failed to hide overview');
if (!overviewShown)
throw new Error('Failed to show overview');
}