forked from mirrors/gecko-dev
83 lines
2.9 KiB
JavaScript
83 lines
2.9 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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/**
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* This test makes sure that we correctly preserve tab attributes when storing
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* and restoring tabs. It also ensures that we skip special attributes like
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* 'image', 'muted', and 'pending' that need to be
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* handled differently or internally.
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*/
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const PREF = "browser.sessionstore.restore_on_demand";
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add_task(async function test() {
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Services.prefs.setBoolPref(PREF, true);
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registerCleanupFunction(() => Services.prefs.clearUserPref(PREF));
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// Add a new tab with a nice icon.
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let tab = BrowserTestUtils.addTab(gBrowser, "about:robots");
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await promiseBrowserLoaded(tab.linkedBrowser);
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// Because there is debounce logic in FaviconLoader.sys.mjs to reduce the
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// favicon loads, we have to wait some time before checking that icon was
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// stored properly.
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await BrowserTestUtils.waitForCondition(
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() => {
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return gBrowser.getIcon(tab) != null;
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},
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"wait for favicon load to finish",
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100,
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5
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);
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// Check that the tab has an 'image' attribute.
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ok(tab.hasAttribute("image"), "tab.image exists");
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tab.toggleMuteAudio();
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// Check that the tab has a 'muted' attribute.
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ok(tab.hasAttribute("muted"), "tab.muted exists");
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// Make sure we do not persist 'image' and 'muted' attributes.
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ss.persistTabAttribute("image");
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ss.persistTabAttribute("muted");
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let { attributes } = JSON.parse(ss.getTabState(tab));
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ok(!("image" in attributes), "'image' attribute not saved");
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ok(!("muted" in attributes), "'muted' attribute not saved");
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ok(!("custom" in attributes), "'custom' attribute not saved");
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// Test persisting a custom attribute.
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tab.setAttribute("custom", "foobar");
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ss.persistTabAttribute("custom");
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({ attributes } = JSON.parse(ss.getTabState(tab)));
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is(attributes.custom, "foobar", "'custom' attribute is correct");
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// Make sure we're backwards compatible and restore old 'image' attributes.
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let state = {
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entries: [{ url: "about:mozilla", triggeringPrincipal_base64 }],
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attributes: { custom: "foobaz" },
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image: gBrowser.getIcon(tab),
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};
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// Prepare a pending tab waiting to be restored.
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let promise = promiseTabRestoring(tab);
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ss.setTabState(tab, JSON.stringify(state));
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await promise;
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ok(tab.hasAttribute("pending"), "tab is pending");
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is(gBrowser.getIcon(tab), state.image, "tab has correct icon");
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ok(!state.attributes.image, "'image' attribute not saved");
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// Let the pending tab load.
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gBrowser.selectedTab = tab;
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await promiseTabRestored(tab);
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// Ensure no 'image' or 'pending' attributes are stored.
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({ attributes } = JSON.parse(ss.getTabState(tab)));
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ok(!("image" in attributes), "'image' attribute not saved");
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ok(!("pending" in attributes), "'pending' attribute not saved");
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is(attributes.custom, "foobaz", "'custom' attribute is correct");
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// Clean up.
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gBrowser.removeTab(tab);
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});
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