forked from mirrors/gecko-dev
ec8bdecd6f
The test was doing a navigation from about:blank to an example.com URL in a ContentTask, which I guess was going bad with fission enabled since we were creating a new content process. I don't think there was a good reason to do that, so we start the test directly with the "final" URL. And since about:blank page can be special, we use a data url instead. A few `info` calls are added to have better logs, and the test is slightly refactored to be easier to follow. Finally, the test was a bit loose, only checking the number of events we were receiving. We take this opportunity to really check that we get the events that are expected. Differential Revision: https://phabricator.services.mozilla.com/D109278
111 lines
3.8 KiB
JavaScript
111 lines
3.8 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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const TEST_URI =
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"http://example.com/browser/dom/tests/browser/test-console-api.html";
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function tearDown() {
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while (gBrowser.tabs.length > 1) {
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gBrowser.removeCurrentTab();
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}
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}
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add_task(async function() {
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// Don't cache removed tabs, so "clear console cache on tab close" triggers.
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await SpecialPowers.pushPrefEnv({ set: [["browser.tabs.max_tabs_undo", 0]] });
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registerCleanupFunction(tearDown);
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info(
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"Open a keepalive tab in the background to make sure we don't accidentally kill the content process"
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);
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var keepaliveTab = await BrowserTestUtils.addTab(
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gBrowser,
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"data:text/html,<meta charset=utf8>Keep Alive Tab"
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);
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info("Open the main tab to run the test in");
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var tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, TEST_URI);
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var browser = gBrowser.selectedBrowser;
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const windowId = await ContentTask.spawn(browser, null, async function(opt) {
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let ConsoleAPIStorage = Cc["@mozilla.org/consoleAPI-storage;1"].getService(
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Ci.nsIConsoleAPIStorage
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);
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let observerPromise = new Promise(resolve => {
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let apiCallCount = 0;
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let ConsoleObserver = {
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QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
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observe(aSubject, aTopic, aData) {
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if (aTopic == "console-storage-cache-event") {
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apiCallCount++;
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info(`Received ${apiCallCount} "console-storage-cache-event"`);
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if (apiCallCount == 4) {
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Services.obs.removeObserver(this, "console-storage-cache-event");
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resolve();
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}
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}
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},
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};
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info("Setting up observer");
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Services.obs.addObserver(ConsoleObserver, "console-storage-cache-event");
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});
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info("Emit a few console API logs");
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content.console.log("this", "is", "a", "log", "message");
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content.console.info("this", "is", "a", "info", "message");
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content.console.warn("this", "is", "a", "warn", "message");
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content.console.error("this", "is", "a", "error", "message");
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info("Wait for the corresponding console-storage-cache-event");
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await observerPromise;
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const innerWindowId = content.windowGlobalChild.innerWindowId;
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const events = ConsoleAPIStorage.getEvents(innerWindowId).filter(
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message =>
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message.arguments[0] === "this" &&
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message.arguments[1] === "is" &&
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message.arguments[2] === "a" &&
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message.arguments[4] === "message"
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);
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is(events.length, 4, "The storage service got the messages we emitted");
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info("Ensure clearEvents does remove the events from storage");
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ConsoleAPIStorage.clearEvents();
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is(ConsoleAPIStorage.getEvents(innerWindowId).length, 0, "Cleared Storage");
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return content.windowGlobalChild.innerWindowId;
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});
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await SpecialPowers.spawn(browser, [], function() {
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// make sure a closed window's events are in fact removed from
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// the storage cache
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content.console.log("adding a new event");
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});
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info("Close the window");
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gBrowser.removeTab(tab, { animate: false });
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// Ensure actual window destruction is not delayed (too long).
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SpecialPowers.DOMWindowUtils.garbageCollect();
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// Spawn the check in the keepaliveTab, so that we can read the ConsoleAPIStorage correctly
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gBrowser.selectedTab = keepaliveTab;
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browser = gBrowser.selectedBrowser;
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// Spin the event loop to make sure everything is cleared.
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await SpecialPowers.spawn(browser, [], () => {});
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await SpecialPowers.spawn(browser, [windowId], function(windowId) {
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var ConsoleAPIStorage = Cc["@mozilla.org/consoleAPI-storage;1"].getService(
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Ci.nsIConsoleAPIStorage
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);
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is(
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ConsoleAPIStorage.getEvents(windowId).length,
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0,
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"tab close is clearing the cache"
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);
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});
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});
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