gecko-dev/docshell/test/browser/head.js

98 строки
3.0 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/* Helper function for timeline tests. Returns an async task that is
* suitable for use as a particular timeline test.
* @param string frameScriptName
* Base name of the frame script file.
* @param string url
* URL to load.
*/
function makeTimelineTest(frameScriptName, url) {
info("in timelineTest");
return async function() {
info("in in timelineTest");
waitForExplicitFinish();
await timelineTestOpenUrl(url);
const here = "chrome://mochitests/content/browser/docshell/test/browser/";
let mm = gBrowser.selectedBrowser.messageManager;
mm.loadFrameScript(here + "frame-head.js", false);
mm.loadFrameScript(here + frameScriptName, false);
// Set up some listeners so that timeline tests running in the
// content process can forward their results to the main process.
mm.addMessageListener("browser:test:ok", function(message) {
ok(message.data.value, message.data.message);
});
mm.addMessageListener("browser:test:info", function(message) {
info(message.data.message);
});
mm.addMessageListener("browser:test:finish", function(ignore) {
gBrowser.removeCurrentTab();
finish();
});
};
}
/* Open a URL for a timeline test. */
function timelineTestOpenUrl(url) {
window.focus();
let tabSwitchPromise = new Promise((resolve, reject) => {
window.gBrowser.addEventListener("TabSwitchDone", function() {
resolve();
}, {once: true});
});
let loadPromise = new Promise(function(resolve, reject) {
let tab = window.gBrowser.selectedTab = window.gBrowser.addTab(url);
let linkedBrowser = tab.linkedBrowser;
linkedBrowser.addEventListener("load", function() {
resolve(tab);
}, {capture: true, once: true});
});
return Promise.all([tabSwitchPromise, loadPromise]).then(([_, tab]) => tab);
}
/**
* Helper function for charset tests. It loads |url| in a new tab,
* runs |check1| in a ContentTask when the page is ready, switches the
* charset to |charset|, and then runs |check2| in a ContentTask when
* the page has finished reloading.
*
* |charset| and |check2| can be omitted, in which case the test
* finishes when |check1| completes.
*/
function runCharsetTest(url, check1, charset, check2) {
waitForExplicitFinish();
BrowserTestUtils.openNewForegroundTab(gBrowser, url, true).then(afterOpen);
function afterOpen() {
if (charset) {
BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser).then(afterChangeCharset);
ContentTask.spawn(gBrowser.selectedBrowser, null, check1).then(() => {
BrowserSetForcedCharacterSet(charset);
});
} else {
ContentTask.spawn(gBrowser.selectedBrowser, null, check1).then(() => {
gBrowser.removeCurrentTab();
finish();
});
}
}
function afterChangeCharset() {
ContentTask.spawn(gBrowser.selectedBrowser, null, check2).then(() => {
gBrowser.removeCurrentTab();
finish();
});
}
}