diff options
Diffstat (limited to 'browser/base/content/test/tabcrashed/head.js')
| -rw-r--r-- | browser/base/content/test/tabcrashed/head.js | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/browser/base/content/test/tabcrashed/head.js b/browser/base/content/test/tabcrashed/head.js new file mode 100644 index 0000000000..bc6185a283 --- /dev/null +++ b/browser/base/content/test/tabcrashed/head.js @@ -0,0 +1,238 @@ +"use strict"; + +const { TelemetryTestUtils } = ChromeUtils.importESModule( + "resource://testing-common/TelemetryTestUtils.sys.mjs" +); + +/** + * Returns a Promise that resolves once a crash report has + * been submitted. This function will also test the crash + * reports extra data to see if it matches expectedExtra. + * + * @param expectedExtra (object) + * An Object whose key-value pairs will be compared + * against the key-value pairs in the extra data of the + * crash report. A test failure will occur if there is + * a mismatch. + * + * If the value of the key-value pair is "null", this will + * be interpreted as "this key should not be included in the + * extra data", and will cause a test failure if it is detected + * in the crash report. + * + * Note that this will ignore any keys that are not included + * in expectedExtra. It's possible that the crash report + * will contain other extra information that is not + * compared against. + * @returns Promise + */ +function promiseCrashReport(expectedExtra = {}) { + return (async function () { + info("Starting wait on crash-report-status"); + let [subject] = await TestUtils.topicObserved( + "crash-report-status", + (unused, data) => { + return data == "success"; + } + ); + info("Topic observed!"); + + if (!(subject instanceof Ci.nsIPropertyBag2)) { + throw new Error("Subject was not a Ci.nsIPropertyBag2"); + } + + let remoteID = getPropertyBagValue(subject, "serverCrashID"); + if (!remoteID) { + throw new Error("Report should have a server ID"); + } + + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.initWithPath(Services.crashmanager._submittedDumpsDir); + file.append(remoteID + ".txt"); + if (!file.exists()) { + throw new Error("Report should have been received by the server"); + } + + file.remove(false); + + let extra = getPropertyBagValue(subject, "extra"); + if (!(extra instanceof Ci.nsIPropertyBag2)) { + throw new Error("extra was not a Ci.nsIPropertyBag2"); + } + + info("Iterating crash report extra keys"); + for (let { name: key } of extra.enumerator) { + let value = extra.getPropertyAsAString(key); + if (key in expectedExtra) { + if (expectedExtra[key] == null) { + ok(false, `Got unexpected key ${key} with value ${value}`); + } else { + is( + value, + expectedExtra[key], + `Crash report had the right extra value for ${key}` + ); + } + } + } + })(); +} + +/** + * For an nsIPropertyBag, returns the value for a given + * key. + * + * @param bag + * The nsIPropertyBag to retrieve the value from + * @param key + * The key that we want to get the value for from the + * bag + * @returns The value corresponding to the key from the bag, + * or null if the value could not be retrieved (for + * example, if no value is set at that key). + */ +function getPropertyBagValue(bag, key) { + try { + let val = bag.getProperty(key); + return val; + } catch (e) { + if (e.result != Cr.NS_ERROR_FAILURE) { + throw e; + } + } + + return null; +} + +/** + * Sets up the browser to send crash reports to the local crash report + * testing server. + */ +async function setupLocalCrashReportServer() { + const SERVER_URL = + // eslint-disable-next-line @microsoft/sdl/no-insecure-url + "http://example.com/browser/toolkit/crashreporter/test/browser/crashreport.sjs"; + + // The test harness sets MOZ_CRASHREPORTER_NO_REPORT, which disables crash + // reports. This test needs them enabled. The test also needs a mock + // report server, and fortunately one is already set up by toolkit/ + // crashreporter/test/Makefile.in. Assign its URL to MOZ_CRASHREPORTER_URL, + // which CrashSubmit.jsm uses as a server override. + let noReport = Services.env.get("MOZ_CRASHREPORTER_NO_REPORT"); + let serverUrl = Services.env.get("MOZ_CRASHREPORTER_URL"); + Services.env.set("MOZ_CRASHREPORTER_NO_REPORT", ""); + Services.env.set("MOZ_CRASHREPORTER_URL", SERVER_URL); + + registerCleanupFunction(function () { + Services.env.set("MOZ_CRASHREPORTER_NO_REPORT", noReport); + Services.env.set("MOZ_CRASHREPORTER_URL", serverUrl); + }); +} + +/** + * Monkey patches TabCrashHandler.getDumpID to return null in order to test + * about:tabcrashed when a dump is not available. + */ +function prepareNoDump() { + let originalGetDumpID = TabCrashHandler.getDumpID; + TabCrashHandler.getDumpID = function (browser) { + return null; + }; + registerCleanupFunction(() => { + TabCrashHandler.getDumpID = originalGetDumpID; + }); +} + +const kBuildidMatchEnv = "MOZ_BUILDID_MATCH_DONTSEND"; + +function setBuildidMatchDontSendEnv() { + info("Setting " + kBuildidMatchEnv + "=1"); + Services.env.set(kBuildidMatchEnv, "1"); +} + +function unsetBuildidMatchDontSendEnv() { + info("Setting " + kBuildidMatchEnv + "=0"); + Services.env.set(kBuildidMatchEnv, "0"); +} + +function getEventPromise(eventName, eventKind) { + return new Promise(function (resolve, reject) { + info("Installing event listener (" + eventKind + ")"); + window.addEventListener( + eventName, + event => { + ok(true, "Received " + eventName + " (" + eventKind + ") event"); + info("Call resolve() for " + eventKind + " event"); + resolve(); + }, + { once: true } + ); + info("Installed event listener (" + eventKind + ")"); + }); +} + +async function ensureBuildID() { + let profD = Services.dirsvc.get("GreD", Ci.nsIFile); + let platformIniOrig = await IOUtils.readUTF8( + PathUtils.join(profD.path, "platform.ini") + ); + let buildID = Services.appinfo.platformBuildID; + return platformIniOrig.indexOf(buildID) > 0; +} + +async function openNewTab(forceCrash) { + const PAGE = + "data:text/html,<html><body>A%20regular,%20everyday,%20normal%20page."; + + let options = { + gBrowser, + PAGE, + waitForLoad: false, + waitForStateStop: false, + forceNewProcess: true, + }; + + let tab = await BrowserTestUtils.openNewForegroundTab(options); + if (forceCrash === true) { + let browser = tab.linkedBrowser; + await BrowserTestUtils.crashFrame( + browser, + /* shouldShowTabCrashPage */ false, + /* shouldClearMinidumps */ true, + /* BrowsingContext */ null + ); + } + + return tab; +} + +async function closeTab(tab) { + await TestUtils.waitForTick(); + BrowserTestUtils.removeTab(tab); +} + +function getFalsePositiveTelemetry() { + const scalars = TelemetryTestUtils.getProcessScalars("parent"); + return scalars["dom.contentprocess.buildID_mismatch_false_positive"]; +} + +// The logic bound to dom.ipc.processPrelaunch.enabled will react to value +// changes: https://searchfox.org/mozilla-central/rev/ecd91b104714a8b2584a4c03175be50ccb3a7c67/dom/ipc/PreallocatedProcessManager.cpp#171-195 +// So we force flip to ensure we have no dangling process. +async function forceCleanProcesses() { + const origPrefValue = SpecialPowers.getBoolPref( + "dom.ipc.processPrelaunch.enabled" + ); + await SpecialPowers.setBoolPref( + "dom.ipc.processPrelaunch.enabled", + !origPrefValue + ); + await SpecialPowers.setBoolPref( + "dom.ipc.processPrelaunch.enabled", + origPrefValue + ); + const currPrefValue = SpecialPowers.getBoolPref( + "dom.ipc.processPrelaunch.enabled" + ); + ok(currPrefValue === origPrefValue, "processPrelaunch properly re-enabled"); +} |