forked from mirrors/gecko-dev
70fdad6676
This should make a bit clearer that it is only starting the load, not waiting for its completion. Differential Revision: https://phabricator.services.mozilla.com/D188213
501 lines
16 KiB
JavaScript
501 lines
16 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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// This file spawns content tasks.
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"use strict";
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requestLongerTimeout(10);
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const PAGE_1 =
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"data:text/html,<html><body>A%20regular,%20everyday,%20normal%20page.";
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const PAGE_2 =
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"data:text/html,<html><body>Another%20regular,%20everyday,%20normal%20page.";
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// Turn off tab animations for testing and use a single content process
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// for these tests since we want to test tabs within the crashing process here.
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gReduceMotionOverride = true;
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// Allow tabs to restore on demand so we can test pending states
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Services.prefs.clearUserPref("browser.sessionstore.restore_on_demand");
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function clickButton(browser, id) {
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info("Clicking " + id);
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return SpecialPowers.spawn(browser, [id], buttonId => {
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let button = content.document.getElementById(buttonId);
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button.click();
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});
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}
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/**
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* Checks the documentURI of the root document of a remote browser
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* to see if it equals URI.
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*
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* @param browser
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* The remote <xul:browser> to check the root document URI in.
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* @param URI
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* A string to match the root document URI against.
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* @return Promise
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*/
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async function promiseContentDocumentURIEquals(browser, URI) {
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let contentURI = await SpecialPowers.spawn(browser, [], () => {
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return content.document.documentURI;
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});
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is(
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contentURI,
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URI,
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`Content has URI ${contentURI} which does not match ${URI}`
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);
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}
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/**
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* Checks the window.history.length of the root window of a remote
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* browser to see if it equals length.
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*
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* @param browser
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* The remote <xul:browser> to check the root window.history.length
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* @param length
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* The expected history length
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* @return Promise
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*/
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async function promiseHistoryLength(browser, length) {
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let contentLength = await SpecialPowers.spawn(browser, [], () => {
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return content.history.length;
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});
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is(
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contentLength,
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length,
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`Content has window.history.length ${contentLength} which does ` +
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`not equal expected ${length}`
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);
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}
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/**
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* Returns a Promise that resolves when a browser has fired the
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* AboutTabCrashedReady event.
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*
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* @param browser
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* The remote <xul:browser> that will fire the event.
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* @return Promise
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*/
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function promiseTabCrashedReady(browser) {
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return new Promise(resolve => {
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browser.addEventListener(
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"AboutTabCrashedReady",
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function ready(e) {
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browser.removeEventListener("AboutTabCrashedReady", ready, false, true);
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resolve();
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},
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false,
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true
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);
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});
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}
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/**
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* Checks that if a tab crashes, that information about the tab crashed
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* page does not get added to the tab history.
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*/
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add_task(async function test_crash_page_not_in_history() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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// Check the tab state and make sure the tab crashed page isn't
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// mentioned.
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let { entries } = JSON.parse(ss.getTabState(newTab));
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is(entries.length, 1, "Should have a single history entry");
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is(
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entries[0].url,
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PAGE_1,
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"Single entry should be the page we visited before crashing"
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);
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that if a tab crashes, that when we browse away from that page
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* to a non-blacklisted site (so the browser becomes remote again), that
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* we record history for that new visit.
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*/
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add_task(async function test_revived_history_from_remote() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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// Browse to a new site that will cause the browser to
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// become remote again.
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BrowserTestUtils.startLoadingURIString(browser, PAGE_2);
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await promiseBrowserLoaded(browser);
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ok(
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!newTab.hasAttribute("crashed"),
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"Tab shouldn't be marked as crashed anymore."
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);
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await TabStateFlusher.flush(browser);
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// Check the tab state and make sure the tab crashed page isn't
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// mentioned.
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let { entries } = JSON.parse(ss.getTabState(newTab));
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is(entries.length, 2, "Should have two history entries");
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is(
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entries[0].url,
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PAGE_1,
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"First entry should be the page we visited before crashing"
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);
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is(
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entries[1].url,
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PAGE_2,
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"Second entry should be the page we visited after crashing"
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);
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that if a tab crashes, that when we browse away from that page
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* to a blacklisted site (so the browser stays non-remote), that
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* we record history for that new visit.
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*/
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add_task(async function test_revived_history_from_non_remote() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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// Browse to a new site that will not cause the browser to
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// become remote again.
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BrowserTestUtils.startLoadingURIString(browser, "about:mozilla");
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await promiseBrowserLoaded(browser);
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ok(
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!newTab.hasAttribute("crashed"),
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"Tab shouldn't be marked as crashed anymore."
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);
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ok(!browser.isRemoteBrowser, "Should not be a remote browser");
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await TabStateFlusher.flush(browser);
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// Check the tab state and make sure the tab crashed page isn't
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// mentioned.
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let { entries } = JSON.parse(ss.getTabState(newTab));
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is(entries.length, 2, "Should have two history entries");
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is(
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entries[0].url,
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PAGE_1,
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"First entry should be the page we visited before crashing"
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);
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is(
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entries[1].url,
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"about:mozilla",
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"Second entry should be the page we visited after crashing"
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);
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that we can revive a crashed tab back to the page that
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* it was on when it crashed.
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*/
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add_task(async function test_revive_tab_from_session_store() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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let newTab2 = BrowserTestUtils.addTab(gBrowser, "about:blank", {
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remoteType: browser.remoteType,
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initialBrowsingContextGroupId: browser.browsingContext.group.id,
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});
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let browser2 = newTab2.linkedBrowser;
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ok(browser2.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser2);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_2);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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// Background tabs should not be crashed, but should be in the "to be restored"
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// state.
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ok(!newTab2.hasAttribute("crashed"), "Second tab should not be crashed.");
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ok(newTab2.hasAttribute("pending"), "Second tab should be pending.");
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// Use SessionStore to revive the first tab
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let tabRestoredPromise = promiseTabRestored(newTab);
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await clickButton(browser, "restoreTab");
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await tabRestoredPromise;
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ok(
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!newTab.hasAttribute("crashed"),
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"Tab shouldn't be marked as crashed anymore."
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);
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ok(newTab2.hasAttribute("pending"), "Second tab should still be pending.");
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// We can't just check browser.currentURI.spec, because from
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// the outside, a crashed tab has the same URI as the page
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// it crashed on (much like an about:neterror page). Instead,
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// we have to use the documentURI on the content.
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await promiseContentDocumentURIEquals(browser, PAGE_2);
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// We should also have two entries in the browser history.
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await promiseHistoryLength(browser, 2);
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gBrowser.removeTab(newTab);
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gBrowser.removeTab(newTab2);
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});
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/**
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* Checks that we can revive multiple crashed tabs back to the pages
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* that they were on when they crashed.
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*/
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add_task(async function test_revive_all_tabs_from_session_store() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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// In order to see a second about:tabcrashed page, we'll need
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// a second window, since only selected tabs will show
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// about:tabcrashed.
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let win2 = await BrowserTestUtils.openNewBrowserWindow();
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let newTab2 = BrowserTestUtils.addTab(win2.gBrowser, PAGE_1, {
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remoteType: browser.remoteType,
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initialBrowsingContextGroupId: browser.browsingContext.group.id,
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});
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win2.gBrowser.selectedTab = newTab2;
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let browser2 = newTab2.linkedBrowser;
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ok(browser2.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser2);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_2);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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await TabStateFlusher.flush(browser2);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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// Both tabs should now be crashed.
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is(newTab.getAttribute("crashed"), "true", "First tab should be crashed");
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is(
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newTab2.getAttribute("crashed"),
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"true",
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"Second window tab should be crashed"
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);
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// Use SessionStore to revive all the tabs
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let tabRestoredPromises = Promise.all([
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promiseTabRestored(newTab),
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promiseTabRestored(newTab2),
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]);
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await clickButton(browser, "restoreAll");
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await tabRestoredPromises;
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ok(
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!newTab.hasAttribute("crashed"),
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"Tab shouldn't be marked as crashed anymore."
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);
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ok(!newTab.hasAttribute("pending"), "Tab shouldn't be pending.");
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ok(
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!newTab2.hasAttribute("crashed"),
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"Second tab shouldn't be marked as crashed anymore."
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);
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ok(!newTab2.hasAttribute("pending"), "Second tab shouldn't be pending.");
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// We can't just check browser.currentURI.spec, because from
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// the outside, a crashed tab has the same URI as the page
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// it crashed on (much like an about:neterror page). Instead,
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// we have to use the documentURI on the content.
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await promiseContentDocumentURIEquals(browser, PAGE_2);
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await promiseContentDocumentURIEquals(browser2, PAGE_1);
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// We should also have two entries in the browser history.
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await promiseHistoryLength(browser, 2);
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await BrowserTestUtils.closeWindow(win2);
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that about:tabcrashed can close the current tab
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*/
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add_task(async function test_close_tab_after_crash() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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let promise = BrowserTestUtils.waitForEvent(
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gBrowser.tabContainer,
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"TabClose"
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);
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// Click the close tab button
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await clickButton(browser, "closeTab");
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await promise;
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is(gBrowser.tabs.length, 1, "Should have closed the tab");
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});
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/**
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* Checks that "restore all" button is only shown if more than one tab
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* is showing about:tabcrashed
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*/
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add_task(async function test_hide_restore_all_button() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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let doc = browser.contentDocument;
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let restoreAllButton = doc.getElementById("restoreAll");
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let restoreOneButton = doc.getElementById("restoreTab");
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let restoreAllStyles = window.getComputedStyle(restoreAllButton);
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is(restoreAllStyles.display, "none", "Restore All button should be hidden");
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ok(
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restoreOneButton.classList.contains("primary"),
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"Restore Tab button should have the primary class"
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);
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let newTab2 = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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BrowserTestUtils.startLoadingURIString(browser, PAGE_2);
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await promiseBrowserLoaded(browser);
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// Load up a second window so we can get another tab to show
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// about:tabcrashed
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let win2 = await BrowserTestUtils.openNewBrowserWindow();
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let newTab3 = BrowserTestUtils.addTab(win2.gBrowser, PAGE_2, {
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remoteType: browser.remoteType,
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initialBrowsingContextGroupId: browser.browsingContext.group.id,
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});
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win2.gBrowser.selectedTab = newTab3;
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let otherWinBrowser = newTab3.linkedBrowser;
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await promiseBrowserLoaded(otherWinBrowser);
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// We'll need to make sure the second tab's browser has finished
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// sending its AboutTabCrashedReady event before we know for
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// sure whether or not we're showing the right Restore buttons.
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let otherBrowserReady = promiseTabCrashedReady(otherWinBrowser);
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// Crash the first tab.
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await BrowserTestUtils.crashFrame(browser);
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await otherBrowserReady;
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doc = browser.contentDocument;
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restoreAllButton = doc.getElementById("restoreAll");
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restoreOneButton = doc.getElementById("restoreTab");
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restoreAllStyles = window.getComputedStyle(restoreAllButton);
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isnot(
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restoreAllStyles.display,
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"none",
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"Restore All button should not be hidden"
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);
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ok(
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!restoreOneButton.classList.contains("primary"),
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"Restore Tab button should not have the primary class"
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);
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await BrowserTestUtils.closeWindow(win2);
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gBrowser.removeTab(newTab);
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gBrowser.removeTab(newTab2);
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});
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add_task(async function test_aboutcrashedtabzoom() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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BrowserTestUtils.startLoadingURIString(browser, PAGE_1);
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await promiseBrowserLoaded(browser);
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FullZoom.enlarge();
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let zoomLevel = ZoomManager.getZoomForBrowser(browser);
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ok(zoomLevel !== 1, "should have enlarged");
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashFrame(browser);
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ok(
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ZoomManager.getZoomForBrowser(browser) === 1,
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"zoom should have reset on crash"
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);
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let tabRestoredPromise = promiseTabRestored(newTab);
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await clickButton(browser, "restoreTab");
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await tabRestoredPromise;
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ok(
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ZoomManager.getZoomForBrowser(browser) === zoomLevel,
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"zoom should have gone back to enlarged"
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);
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FullZoom.reset();
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gBrowser.removeTab(newTab);
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});
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