summaryrefslogtreecommitdiffstats
path: root/testing/xpcshell/head.js
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /testing/xpcshell/head.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/xpcshell/head.js')
-rw-r--r--testing/xpcshell/head.js1663
1 files changed, 1663 insertions, 0 deletions
diff --git a/testing/xpcshell/head.js b/testing/xpcshell/head.js
new file mode 100644
index 000000000..74fd482cf
--- /dev/null
+++ b/testing/xpcshell/head.js
@@ -0,0 +1,1663 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * This file contains common code that is loaded before each test file(s).
+ * See http://developer.mozilla.org/en/docs/Writing_xpcshell-based_unit_tests
+ * for more information.
+ */
+
+var _quit = false;
+var _passed = true;
+var _tests_pending = 0;
+var _cleanupFunctions = [];
+var _pendingTimers = [];
+var _profileInitialized = false;
+
+// Register the testing-common resource protocol early, to have access to its
+// modules.
+_register_modules_protocol_handler();
+
+var _Promise = Components.utils.import("resource://gre/modules/Promise.jsm", {}).Promise;
+var _PromiseTestUtils = Components.utils.import("resource://testing-common/PromiseTestUtils.jsm", {}).PromiseTestUtils;
+Components.utils.importGlobalProperties(["XMLHttpRequest"]);
+
+// Support a common assertion library, Assert.jsm.
+var AssertCls = Components.utils.import("resource://testing-common/Assert.jsm", null).Assert;
+// Pass a custom report function for xpcshell-test style reporting.
+var Assert = new AssertCls(function(err, message, stack) {
+ if (err) {
+ do_report_result(false, err.message, err.stack);
+ } else {
+ do_report_result(true, message, stack);
+ }
+});
+
+
+var _add_params = function (params) {
+ if (typeof _XPCSHELL_PROCESS != "undefined") {
+ params.xpcshell_process = _XPCSHELL_PROCESS;
+ }
+};
+
+var _dumpLog = function (raw_msg) {
+ dump("\n" + JSON.stringify(raw_msg) + "\n");
+}
+
+var _LoggerClass = Components.utils.import("resource://testing-common/StructuredLog.jsm", null).StructuredLogger;
+var _testLogger = new _LoggerClass("xpcshell/head.js", _dumpLog, [_add_params]);
+
+// Disable automatic network detection, so tests work correctly when
+// not connected to a network.
+{
+ let ios = Components.classes["@mozilla.org/network/io-service;1"]
+ .getService(Components.interfaces.nsIIOService2);
+ ios.manageOfflineStatus = false;
+ ios.offline = false;
+}
+
+// Determine if we're running on parent or child
+var runningInParent = true;
+try {
+ runningInParent = Components.classes["@mozilla.org/xre/runtime;1"].
+ getService(Components.interfaces.nsIXULRuntime).processType
+ == Components.interfaces.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
+}
+catch (e) { }
+
+// Only if building of places is enabled.
+if (runningInParent &&
+ "mozIAsyncHistory" in Components.interfaces) {
+ // Ensure places history is enabled for xpcshell-tests as some non-FF
+ // apps disable it.
+ let prefs = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+ prefs.setBoolPref("places.history.enabled", true);
+}
+
+try {
+ if (runningInParent) {
+ let prefs = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+
+ // disable necko IPC security checks for xpcshell, as they lack the
+ // docshells needed to pass them
+ prefs.setBoolPref("network.disable.ipc.security", true);
+
+ // Disable IPv6 lookups for 'localhost' on windows.
+ if ("@mozilla.org/windows-registry-key;1" in Components.classes) {
+ prefs.setCharPref("network.dns.ipv4OnlyDomains", "localhost");
+ }
+ }
+}
+catch (e) { }
+
+// Configure crash reporting, if possible
+// We rely on the Python harness to set MOZ_CRASHREPORTER,
+// MOZ_CRASHREPORTER_NO_REPORT, and handle checking for minidumps.
+// Note that if we're in a child process, we don't want to init the
+// crashreporter component.
+try {
+ if (runningInParent &&
+ "@mozilla.org/toolkit/crash-reporter;1" in Components.classes) {
+ let crashReporter =
+ Components.classes["@mozilla.org/toolkit/crash-reporter;1"]
+ .getService(Components.interfaces.nsICrashReporter);
+ crashReporter.UpdateCrashEventsDir();
+ crashReporter.minidumpPath = do_get_minidumpdir();
+ }
+}
+catch (e) { }
+
+// Configure a console listener so messages sent to it are logged as part
+// of the test.
+try {
+ let levelNames = {}
+ for (let level of ["debug", "info", "warn", "error"]) {
+ levelNames[Components.interfaces.nsIConsoleMessage[level]] = level;
+ }
+
+ let listener = {
+ QueryInterface : function(iid) {
+ if (!iid.equals(Components.interfaces.nsISupports) &&
+ !iid.equals(Components.interfaces.nsIConsoleListener)) {
+ throw Components.results.NS_NOINTERFACE;
+ }
+ return this;
+ },
+ observe : function (msg) {
+ if (typeof do_print === "function")
+ do_print("CONSOLE_MESSAGE: (" + levelNames[msg.logLevel] + ") " + msg.toString());
+ }
+ };
+ Components.classes["@mozilla.org/consoleservice;1"]
+ .getService(Components.interfaces.nsIConsoleService)
+ .registerListener(listener);
+} catch (e) {}
+/**
+ * Date.now() is not necessarily monotonically increasing (insert sob story
+ * about times not being the right tool to use for measuring intervals of time,
+ * robarnold can tell all), so be wary of error by erring by at least
+ * _timerFuzz ms.
+ */
+const _timerFuzz = 15;
+
+function _Timer(func, delay) {
+ delay = Number(delay);
+ if (delay < 0)
+ do_throw("do_timeout() delay must be nonnegative");
+
+ if (typeof func !== "function")
+ do_throw("string callbacks no longer accepted; use a function!");
+
+ this._func = func;
+ this._start = Date.now();
+ this._delay = delay;
+
+ var timer = Components.classes["@mozilla.org/timer;1"]
+ .createInstance(Components.interfaces.nsITimer);
+ timer.initWithCallback(this, delay + _timerFuzz, timer.TYPE_ONE_SHOT);
+
+ // Keep timer alive until it fires
+ _pendingTimers.push(timer);
+}
+_Timer.prototype = {
+ QueryInterface: function(iid) {
+ if (iid.equals(Components.interfaces.nsITimerCallback) ||
+ iid.equals(Components.interfaces.nsISupports))
+ return this;
+
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ },
+
+ notify: function(timer) {
+ _pendingTimers.splice(_pendingTimers.indexOf(timer), 1);
+
+ // The current nsITimer implementation can undershoot, but even if it
+ // couldn't, paranoia is probably a virtue here given the potential for
+ // random orange on tinderboxen.
+ var end = Date.now();
+ var elapsed = end - this._start;
+ if (elapsed >= this._delay) {
+ try {
+ this._func.call(null);
+ } catch (e) {
+ do_throw("exception thrown from do_timeout callback: " + e);
+ }
+ return;
+ }
+
+ // Timer undershot, retry with a little overshoot to try to avoid more
+ // undershoots.
+ var newDelay = this._delay - elapsed;
+ do_timeout(newDelay, this._func);
+ }
+};
+
+function _do_main() {
+ if (_quit)
+ return;
+
+ _testLogger.info("running event loop");
+
+ var thr = Components.classes["@mozilla.org/thread-manager;1"]
+ .getService().currentThread;
+
+ while (!_quit)
+ thr.processNextEvent(true);
+
+ while (thr.hasPendingEvents())
+ thr.processNextEvent(true);
+}
+
+function _do_quit() {
+ _testLogger.info("exiting test");
+ _quit = true;
+}
+
+/**
+ * Overrides idleService with a mock. Idle is commonly used for maintenance
+ * tasks, thus if a test uses a service that requires the idle service, it will
+ * start handling them.
+ * This behaviour would cause random failures and slowdown tests execution,
+ * for example by running database vacuum or cleanups for each test.
+ *
+ * @note Idle service is overridden by default. If a test requires it, it will
+ * have to call do_get_idle() function at least once before use.
+ */
+var _fakeIdleService = {
+ get registrar() {
+ delete this.registrar;
+ return this.registrar =
+ Components.manager.QueryInterface(Components.interfaces.nsIComponentRegistrar);
+ },
+ contractID: "@mozilla.org/widget/idleservice;1",
+ get CID() {
+ return this.registrar.contractIDToCID(this.contractID);
+ },
+
+ activate: function FIS_activate()
+ {
+ if (!this.originalFactory) {
+ // Save original factory.
+ this.originalFactory =
+ Components.manager.getClassObject(Components.classes[this.contractID],
+ Components.interfaces.nsIFactory);
+ // Unregister original factory.
+ this.registrar.unregisterFactory(this.CID, this.originalFactory);
+ // Replace with the mock.
+ this.registrar.registerFactory(this.CID, "Fake Idle Service",
+ this.contractID, this.factory
+ );
+ }
+ },
+
+ deactivate: function FIS_deactivate()
+ {
+ if (this.originalFactory) {
+ // Unregister the mock.
+ this.registrar.unregisterFactory(this.CID, this.factory);
+ // Restore original factory.
+ this.registrar.registerFactory(this.CID, "Idle Service",
+ this.contractID, this.originalFactory);
+ delete this.originalFactory;
+ }
+ },
+
+ factory: {
+ // nsIFactory
+ createInstance: function (aOuter, aIID)
+ {
+ if (aOuter) {
+ throw Components.results.NS_ERROR_NO_AGGREGATION;
+ }
+ return _fakeIdleService.QueryInterface(aIID);
+ },
+ lockFactory: function (aLock) {
+ throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
+ },
+ QueryInterface: function(aIID) {
+ if (aIID.equals(Components.interfaces.nsIFactory) ||
+ aIID.equals(Components.interfaces.nsISupports)) {
+ return this;
+ }
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ }
+ },
+
+ // nsIIdleService
+ get idleTime() {
+ return 0;
+ },
+ addIdleObserver: function () {},
+ removeIdleObserver: function () {},
+
+ QueryInterface: function(aIID) {
+ // Useful for testing purposes, see test_get_idle.js.
+ if (aIID.equals(Components.interfaces.nsIFactory)) {
+ return this.factory;
+ }
+ if (aIID.equals(Components.interfaces.nsIIdleService) ||
+ aIID.equals(Components.interfaces.nsISupports)) {
+ return this;
+ }
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ }
+}
+
+/**
+ * Restores the idle service factory if needed and returns the service's handle.
+ * @return A handle to the idle service.
+ */
+function do_get_idle() {
+ _fakeIdleService.deactivate();
+ return Components.classes[_fakeIdleService.contractID]
+ .getService(Components.interfaces.nsIIdleService);
+}
+
+// Map resource://test/ to current working directory and
+// resource://testing-common/ to the shared test modules directory.
+function _register_protocol_handlers() {
+ let ios = Components.classes["@mozilla.org/network/io-service;1"]
+ .getService(Components.interfaces.nsIIOService);
+ let protocolHandler =
+ ios.getProtocolHandler("resource")
+ .QueryInterface(Components.interfaces.nsIResProtocolHandler);
+
+ let curDirURI = ios.newFileURI(do_get_cwd());
+ protocolHandler.setSubstitution("test", curDirURI);
+
+ _register_modules_protocol_handler();
+}
+
+function _register_modules_protocol_handler() {
+ if (!_TESTING_MODULES_DIR) {
+ throw new Error("Please define a path where the testing modules can be " +
+ "found in a variable called '_TESTING_MODULES_DIR' before " +
+ "head.js is included.");
+ }
+
+ let ios = Components.classes["@mozilla.org/network/io-service;1"]
+ .getService(Components.interfaces.nsIIOService);
+ let protocolHandler =
+ ios.getProtocolHandler("resource")
+ .QueryInterface(Components.interfaces.nsIResProtocolHandler);
+
+ let modulesFile = Components.classes["@mozilla.org/file/local;1"].
+ createInstance(Components.interfaces.nsILocalFile);
+ modulesFile.initWithPath(_TESTING_MODULES_DIR);
+
+ if (!modulesFile.exists()) {
+ throw new Error("Specified modules directory does not exist: " +
+ _TESTING_MODULES_DIR);
+ }
+
+ if (!modulesFile.isDirectory()) {
+ throw new Error("Specified modules directory is not a directory: " +
+ _TESTING_MODULES_DIR);
+ }
+
+ let modulesURI = ios.newFileURI(modulesFile);
+
+ protocolHandler.setSubstitution("testing-common", modulesURI);
+}
+
+/* Debugging support */
+// Used locally and by our self-tests.
+function _setupDebuggerServer(breakpointFiles, callback) {
+ let prefs = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+
+ // Always allow remote debugging.
+ prefs.setBoolPref("devtools.debugger.remote-enabled", true);
+
+ // for debugging-the-debugging, let an env var cause log spew.
+ let env = Components.classes["@mozilla.org/process/environment;1"]
+ .getService(Components.interfaces.nsIEnvironment);
+ if (env.get("DEVTOOLS_DEBUGGER_LOG")) {
+ prefs.setBoolPref("devtools.debugger.log", true);
+ }
+ if (env.get("DEVTOOLS_DEBUGGER_LOG_VERBOSE")) {
+ prefs.setBoolPref("devtools.debugger.log.verbose", true);
+ }
+
+ let require;
+ try {
+ ({ require } = Components.utils.import("resource://devtools/shared/Loader.jsm", {}));
+ } catch (e) {
+ throw new Error("resource://devtools appears to be inaccessible from the " +
+ "xpcshell environment.\n" +
+ "This can usually be resolved by adding:\n" +
+ " firefox-appdir = browser\n" +
+ "to the xpcshell.ini manifest.\n" +
+ "It is possible for this to alter test behevior by " +
+ "triggering additional browser code to run, so check " +
+ "test behavior after making this change.\n" +
+ "See also https://bugzil.la/1215378.")
+ }
+ let { DebuggerServer } = require("devtools/server/main");
+ let { OriginalLocation } = require("devtools/server/actors/common");
+ DebuggerServer.init();
+ DebuggerServer.addBrowserActors();
+ DebuggerServer.addActors("resource://testing-common/dbg-actors.js");
+ DebuggerServer.allowChromeProcess = true;
+
+ // An observer notification that tells us when we can "resume" script
+ // execution.
+ let obsSvc = Components.classes["@mozilla.org/observer-service;1"].
+ getService(Components.interfaces.nsIObserverService);
+
+ const TOPICS = ["devtools-thread-resumed", "xpcshell-test-devtools-shutdown"];
+ let observe = function(subject, topic, data) {
+ switch (topic) {
+ case "devtools-thread-resumed":
+ // Exceptions in here aren't reported and block the debugger from
+ // resuming, so...
+ try {
+ // Add a breakpoint for the first line in our test files.
+ let threadActor = subject.wrappedJSObject;
+ for (let file of breakpointFiles) {
+ // Pass an empty `source` object to workaround `source` function assertion
+ let sourceActor = threadActor.sources.source({originalUrl: file, source: {}});
+ sourceActor._getOrCreateBreakpointActor(new OriginalLocation(sourceActor, 1));
+ }
+ } catch (ex) {
+ do_print("Failed to initialize breakpoints: " + ex + "\n" + ex.stack);
+ }
+ break;
+ case "xpcshell-test-devtools-shutdown":
+ // the debugger has shutdown before we got a resume event - nothing
+ // special to do here.
+ break;
+ }
+ for (let topicToRemove of TOPICS) {
+ obsSvc.removeObserver(observe, topicToRemove);
+ }
+ callback();
+ };
+
+ for (let topic of TOPICS) {
+ obsSvc.addObserver(observe, topic, false);
+ }
+ return DebuggerServer;
+}
+
+function _initDebugging(port) {
+ let initialized = false;
+ let DebuggerServer = _setupDebuggerServer(_TEST_FILE, () => {initialized = true;});
+
+ do_print("");
+ do_print("*******************************************************************");
+ do_print("Waiting for the debugger to connect on port " + port)
+ do_print("")
+ do_print("To connect the debugger, open a Firefox instance, select 'Connect'");
+ do_print("from the Developer menu and specify the port as " + port);
+ do_print("*******************************************************************");
+ do_print("")
+
+ let AuthenticatorType = DebuggerServer.Authenticators.get("PROMPT");
+ let authenticator = new AuthenticatorType.Server();
+ authenticator.allowConnection = () => {
+ return DebuggerServer.AuthenticationResult.ALLOW;
+ };
+
+ let listener = DebuggerServer.createListener();
+ listener.portOrPath = port;
+ listener.authenticator = authenticator;
+ listener.open();
+
+ // spin an event loop until the debugger connects.
+ let thr = Components.classes["@mozilla.org/thread-manager;1"]
+ .getService().currentThread;
+ while (!initialized) {
+ do_print("Still waiting for debugger to connect...");
+ thr.processNextEvent(true);
+ }
+ // NOTE: if you want to debug the harness itself, you can now add a 'debugger'
+ // statement anywhere and it will stop - but we've already added a breakpoint
+ // for the first line of the test scripts, so we just continue...
+ do_print("Debugger connected, starting test execution");
+}
+
+function _execute_test() {
+ // _JSDEBUGGER_PORT is dynamically defined by <runxpcshelltests.py>.
+ if (_JSDEBUGGER_PORT) {
+ try {
+ _initDebugging(_JSDEBUGGER_PORT);
+ } catch (ex) {
+ // Fail the test run immediately if debugging is requested but fails, so
+ // that the failure state is more obvious.
+ do_throw(`Failed to initialize debugging: ${ex}`, ex.stack);
+ }
+ }
+
+ _register_protocol_handlers();
+
+ // Override idle service by default.
+ // Call do_get_idle() to restore the factory and get the service.
+ _fakeIdleService.activate();
+
+ _PromiseTestUtils.init();
+ _PromiseTestUtils.Assert = Assert;
+
+ let coverageCollector = null;
+ if (typeof _JSCOV_DIR === 'string') {
+ let _CoverageCollector = Components.utils.import("resource://testing-common/CoverageUtils.jsm", {}).CoverageCollector;
+ coverageCollector = new _CoverageCollector(_JSCOV_DIR);
+ }
+
+ // _HEAD_FILES is dynamically defined by <runxpcshelltests.py>.
+ _load_files(_HEAD_FILES);
+ // _TEST_FILE is dynamically defined by <runxpcshelltests.py>.
+ _load_files(_TEST_FILE);
+
+ // Tack Assert.jsm methods to the current scope.
+ this.Assert = Assert;
+ for (let func in Assert) {
+ this[func] = Assert[func].bind(Assert);
+ }
+
+ if (_gTestHasOnly) {
+ _gTests = _gTests.filter(([props,]) => {
+ return ("_only" in props) && props._only;
+ });
+ }
+
+ try {
+ do_test_pending("MAIN run_test");
+ // Check if run_test() is defined. If defined, run it.
+ // Else, call run_next_test() directly to invoke tests
+ // added by add_test() and add_task().
+ if (typeof run_test === "function") {
+ run_test();
+ } else {
+ run_next_test();
+ }
+
+ if (coverageCollector != null) {
+ coverageCollector.recordTestCoverage(_TEST_FILE[0]);
+ }
+
+ do_test_finished("MAIN run_test");
+ _do_main();
+ _PromiseTestUtils.assertNoUncaughtRejections();
+ } catch (e) {
+ _passed = false;
+ // do_check failures are already logged and set _quit to true and throw
+ // NS_ERROR_ABORT. If both of those are true it is likely this exception
+ // has already been logged so there is no need to log it again. It's
+ // possible that this will mask an NS_ERROR_ABORT that happens after a
+ // do_check failure though.
+ if (coverageCollector != null) {
+ coverageCollector.recordTestCoverage(_TEST_FILE[0]);
+ }
+
+ if (!_quit || e != Components.results.NS_ERROR_ABORT) {
+ let extra = {};
+ if (e.fileName) {
+ extra.source_file = e.fileName;
+ if (e.lineNumber) {
+ extra.line_number = e.lineNumber;
+ }
+ } else {
+ extra.source_file = "xpcshell/head.js";
+ }
+ let message = _exception_message(e);
+ if (e.stack) {
+ extra.stack = _format_stack(e.stack);
+ }
+ _testLogger.error(message, extra);
+ }
+ }
+
+ if (coverageCollector != null) {
+ coverageCollector.finalize();
+ }
+
+ // _TAIL_FILES is dynamically defined by <runxpcshelltests.py>.
+ _load_files(_TAIL_FILES);
+
+ // Execute all of our cleanup functions.
+ let reportCleanupError = function(ex) {
+ let stack, filename;
+ if (ex && typeof ex == "object" && "stack" in ex) {
+ stack = ex.stack;
+ } else {
+ stack = Components.stack.caller;
+ }
+ if (stack instanceof Components.interfaces.nsIStackFrame) {
+ filename = stack.filename;
+ } else if (ex.fileName) {
+ filename = ex.fileName;
+ }
+ _testLogger.error(_exception_message(ex),
+ {
+ stack: _format_stack(stack),
+ source_file: filename
+ });
+ };
+
+ let func;
+ while ((func = _cleanupFunctions.pop())) {
+ let result;
+ try {
+ result = func();
+ } catch (ex) {
+ reportCleanupError(ex);
+ continue;
+ }
+ if (result && typeof result == "object"
+ && "then" in result && typeof result.then == "function") {
+ // This is a promise, wait until it is satisfied before proceeding
+ let complete = false;
+ let promise = result.then(null, reportCleanupError);
+ promise = promise.then(() => complete = true);
+ let thr = Components.classes["@mozilla.org/thread-manager;1"]
+ .getService().currentThread;
+ while (!complete) {
+ thr.processNextEvent(true);
+ }
+ }
+ }
+
+ // Restore idle service to avoid leaks.
+ _fakeIdleService.deactivate();
+
+ if (_profileInitialized) {
+ // Since we have a profile, we will notify profile shutdown topics at
+ // the end of the current test, to ensure correct cleanup on shutdown.
+ let obs = Components.classes["@mozilla.org/observer-service;1"]
+ .getService(Components.interfaces.nsIObserverService);
+ obs.notifyObservers(null, "profile-change-net-teardown", null);
+ obs.notifyObservers(null, "profile-change-teardown", null);
+ obs.notifyObservers(null, "profile-before-change", null);
+ obs.notifyObservers(null, "profile-before-change-qm", null);
+
+ _profileInitialized = false;
+ }
+
+ try {
+ _PromiseTestUtils.ensureDOMPromiseRejectionsProcessed();
+ _PromiseTestUtils.assertNoUncaughtRejections();
+ _PromiseTestUtils.assertNoMoreExpectedRejections();
+ } finally {
+ // It's important to terminate the module to avoid crashes on shutdown.
+ _PromiseTestUtils.uninit();
+ }
+}
+
+/**
+ * Loads files.
+ *
+ * @param aFiles Array of files to load.
+ */
+function _load_files(aFiles) {
+ function load_file(element, index, array) {
+ try {
+ load(element);
+ } catch (e) {
+ let extra = {
+ source_file: element
+ }
+ if (e.stack) {
+ extra.stack = _format_stack(e.stack);
+ }
+ _testLogger.error(_exception_message(e), extra);
+ }
+ }
+
+ aFiles.forEach(load_file);
+}
+
+function _wrap_with_quotes_if_necessary(val) {
+ return typeof val == "string" ? '"' + val + '"' : val;
+}
+
+/************** Functions to be used from the tests **************/
+
+/**
+ * Prints a message to the output log.
+ */
+function do_print(msg, data) {
+ msg = _wrap_with_quotes_if_necessary(msg);
+ data = data ? data : null;
+ _testLogger.info(msg, data);
+}
+
+/**
+ * Calls the given function at least the specified number of milliseconds later.
+ * The callback will not undershoot the given time, but it might overshoot --
+ * don't expect precision!
+ *
+ * @param delay : uint
+ * the number of milliseconds to delay
+ * @param callback : function() : void
+ * the function to call
+ */
+function do_timeout(delay, func) {
+ new _Timer(func, Number(delay));
+}
+
+function do_execute_soon(callback, aName) {
+ let funcName = (aName ? aName : callback.name);
+ do_test_pending(funcName);
+ var tm = Components.classes["@mozilla.org/thread-manager;1"]
+ .getService(Components.interfaces.nsIThreadManager);
+
+ tm.mainThread.dispatch({
+ run: function() {
+ try {
+ callback();
+ } catch (e) {
+ // do_check failures are already logged and set _quit to true and throw
+ // NS_ERROR_ABORT. If both of those are true it is likely this exception
+ // has already been logged so there is no need to log it again. It's
+ // possible that this will mask an NS_ERROR_ABORT that happens after a
+ // do_check failure though.
+ if (!_quit || e != Components.results.NS_ERROR_ABORT) {
+ let stack = e.stack ? _format_stack(e.stack) : null;
+ _testLogger.testStatus(_TEST_NAME,
+ funcName,
+ 'FAIL',
+ 'PASS',
+ _exception_message(e),
+ stack);
+ _do_quit();
+ }
+ }
+ finally {
+ do_test_finished(funcName);
+ }
+ }
+ }, Components.interfaces.nsIThread.DISPATCH_NORMAL);
+}
+
+/**
+ * Shows an error message and the current stack and aborts the test.
+ *
+ * @param error A message string or an Error object.
+ * @param stack null or nsIStackFrame object or a string containing
+ * \n separated stack lines (as in Error().stack).
+ */
+function do_throw(error, stack) {
+ let filename = "";
+ // If we didn't get passed a stack, maybe the error has one
+ // otherwise get it from our call context
+ stack = stack || error.stack || Components.stack.caller;
+
+ if (stack instanceof Components.interfaces.nsIStackFrame)
+ filename = stack.filename;
+ else if (error.fileName)
+ filename = error.fileName;
+
+ _testLogger.error(_exception_message(error),
+ {
+ source_file: filename,
+ stack: _format_stack(stack)
+ });
+ _abort_failed_test();
+}
+
+function _abort_failed_test() {
+ // Called to abort the test run after all failures are logged.
+ _passed = false;
+ _do_quit();
+ throw Components.results.NS_ERROR_ABORT;
+}
+
+function _format_stack(stack) {
+ let normalized;
+ if (stack instanceof Components.interfaces.nsIStackFrame) {
+ let frames = [];
+ for (let frame = stack; frame; frame = frame.caller) {
+ frames.push(frame.filename + ":" + frame.name + ":" + frame.lineNumber);
+ }
+ normalized = frames.join("\n");
+ } else {
+ normalized = "" + stack;
+ }
+ return _Task.Debugging.generateReadableStack(normalized, " ");
+}
+
+// Make a nice display string from an object that behaves
+// like Error
+function _exception_message(ex) {
+ let message = "";
+ if (ex.name) {
+ message = ex.name + ": ";
+ }
+ if (ex.message) {
+ message += ex.message;
+ }
+ if (ex.fileName) {
+ message += (" at " + ex.fileName);
+ if (ex.lineNumber) {
+ message += (":" + ex.lineNumber);
+ }
+ }
+ if (message !== "") {
+ return message;
+ }
+ // Force ex to be stringified
+ return "" + ex;
+}
+
+function do_report_unexpected_exception(ex, text) {
+ let filename = Components.stack.caller.filename;
+ text = text ? text + " - " : "";
+
+ _passed = false;
+ _testLogger.error(text + "Unexpected exception " + _exception_message(ex),
+ {
+ source_file: filename,
+ stack: _format_stack(ex.stack)
+ });
+ _do_quit();
+ throw Components.results.NS_ERROR_ABORT;
+}
+
+function do_note_exception(ex, text) {
+ let filename = Components.stack.caller.filename;
+ _testLogger.info(text + "Swallowed exception " + _exception_message(ex),
+ {
+ source_file: filename,
+ stack: _format_stack(ex.stack)
+ });
+}
+
+function _do_check_neq(left, right, stack, todo) {
+ Assert.notEqual(left, right);
+}
+
+function do_check_neq(left, right, stack) {
+ if (!stack)
+ stack = Components.stack.caller;
+
+ _do_check_neq(left, right, stack, false);
+}
+
+function todo_check_neq(left, right, stack) {
+ if (!stack)
+ stack = Components.stack.caller;
+
+ _do_check_neq(left, right, stack, true);
+}
+
+function do_report_result(passed, text, stack, todo) {
+ while (stack.filename.includes("head.js") && stack.caller) {
+ stack = stack.caller;
+ }
+
+ let name = _gRunningTest ? _gRunningTest.name : stack.name;
+ let message;
+ if (name) {
+ message = "[" + name + " : " + stack.lineNumber + "] " + text;
+ } else {
+ message = text;
+ }
+
+ if (passed) {
+ if (todo) {
+ _testLogger.testStatus(_TEST_NAME,
+ name,
+ "PASS",
+ "FAIL",
+ message,
+ _format_stack(stack));
+ _abort_failed_test();
+ } else {
+ _testLogger.testStatus(_TEST_NAME,
+ name,
+ "PASS",
+ "PASS",
+ message);
+ }
+ } else {
+ if (todo) {
+ _testLogger.testStatus(_TEST_NAME,
+ name,
+ "FAIL",
+ "FAIL",
+ message);
+ } else {
+ _testLogger.testStatus(_TEST_NAME,
+ name,
+ "FAIL",
+ "PASS",
+ message,
+ _format_stack(stack));
+ _abort_failed_test();
+ }
+ }
+}
+
+function _do_check_eq(left, right, stack, todo) {
+ if (!stack)
+ stack = Components.stack.caller;
+
+ var text = _wrap_with_quotes_if_necessary(left) + " == " +
+ _wrap_with_quotes_if_necessary(right);
+ do_report_result(left == right, text, stack, todo);
+}
+
+function do_check_eq(left, right, stack) {
+ Assert.equal(left, right);
+}
+
+function todo_check_eq(left, right, stack) {
+ if (!stack)
+ stack = Components.stack.caller;
+
+ _do_check_eq(left, right, stack, true);
+}
+
+function do_check_true(condition, stack) {
+ Assert.ok(condition, stack);
+}
+
+function todo_check_true(condition, stack) {
+ if (!stack)
+ stack = Components.stack.caller;
+
+ todo_check_eq(condition, true, stack);
+}
+
+function do_check_false(condition, stack) {
+ Assert.ok(!condition, stack);
+}
+
+function todo_check_false(condition, stack) {
+ if (!stack)
+ stack = Components.stack.caller;
+
+ todo_check_eq(condition, false, stack);
+}
+
+function do_check_null(condition, stack) {
+ Assert.equal(condition, null);
+}
+
+function todo_check_null(condition, stack=Components.stack.caller) {
+ todo_check_eq(condition, null, stack);
+}
+function do_check_matches(pattern, value) {
+ Assert.deepEqual(pattern, value);
+}
+
+// Check that |func| throws an nsIException that has
+// |Components.results[resultName]| as the value of its 'result' property.
+function do_check_throws_nsIException(func, resultName,
+ stack=Components.stack.caller, todo=false)
+{
+ let expected = Components.results[resultName];
+ if (typeof expected !== 'number') {
+ do_throw("do_check_throws_nsIException requires a Components.results" +
+ " property name, not " + uneval(resultName), stack);
+ }
+
+ let msg = ("do_check_throws_nsIException: func should throw" +
+ " an nsIException whose 'result' is Components.results." +
+ resultName);
+
+ try {
+ func();
+ } catch (ex) {
+ if (!(ex instanceof Components.interfaces.nsIException) ||
+ ex.result !== expected) {
+ do_report_result(false, msg + ", threw " + legible_exception(ex) +
+ " instead", stack, todo);
+ }
+
+ do_report_result(true, msg, stack, todo);
+ return;
+ }
+
+ // Call this here, not in the 'try' clause, so do_report_result's own
+ // throw doesn't get caught by our 'catch' clause.
+ do_report_result(false, msg + ", but returned normally", stack, todo);
+}
+
+// Produce a human-readable form of |exception|. This looks up
+// Components.results values, tries toString methods, and so on.
+function legible_exception(exception)
+{
+ switch (typeof exception) {
+ case 'object':
+ if (exception instanceof Components.interfaces.nsIException) {
+ return "nsIException instance: " + uneval(exception.toString());
+ }
+ return exception.toString();
+
+ case 'number':
+ for (let name in Components.results) {
+ if (exception === Components.results[name]) {
+ return "Components.results." + name;
+ }
+ }
+
+ // Fall through.
+ default:
+ return uneval(exception);
+ }
+}
+
+function do_check_instanceof(value, constructor,
+ stack=Components.stack.caller, todo=false) {
+ do_report_result(value instanceof constructor,
+ "value should be an instance of " + constructor.name,
+ stack, todo);
+}
+
+function todo_check_instanceof(value, constructor,
+ stack=Components.stack.caller) {
+ do_check_instanceof(value, constructor, stack, true);
+}
+
+function do_test_pending(aName) {
+ ++_tests_pending;
+
+ _testLogger.info("(xpcshell/head.js) | test" +
+ (aName ? " " + aName : "") +
+ " pending (" + _tests_pending + ")");
+}
+
+function do_test_finished(aName) {
+ _testLogger.info("(xpcshell/head.js) | test" +
+ (aName ? " " + aName : "") +
+ " finished (" + _tests_pending + ")");
+ if (--_tests_pending == 0)
+ _do_quit();
+}
+
+function do_get_file(path, allowNonexistent) {
+ try {
+ let lf = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("CurWorkD", Components.interfaces.nsILocalFile);
+
+ let bits = path.split("/");
+ for (let i = 0; i < bits.length; i++) {
+ if (bits[i]) {
+ if (bits[i] == "..")
+ lf = lf.parent;
+ else
+ lf.append(bits[i]);
+ }
+ }
+
+ if (!allowNonexistent && !lf.exists()) {
+ // Not using do_throw(): caller will continue.
+ _passed = false;
+ var stack = Components.stack.caller;
+ _testLogger.error("[" + stack.name + " : " + stack.lineNumber + "] " +
+ lf.path + " does not exist");
+ }
+
+ return lf;
+ }
+ catch (ex) {
+ do_throw(ex.toString(), Components.stack.caller);
+ }
+
+ return null;
+}
+
+// do_get_cwd() isn't exactly self-explanatory, so provide a helper
+function do_get_cwd() {
+ return do_get_file("");
+}
+
+function do_load_manifest(path) {
+ var lf = do_get_file(path);
+ const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
+ do_check_true(Components.manager instanceof nsIComponentRegistrar);
+ // Previous do_check_true() is not a test check.
+ Components.manager.autoRegister(lf);
+}
+
+/**
+ * Parse a DOM document.
+ *
+ * @param aPath File path to the document.
+ * @param aType Content type to use in DOMParser.
+ *
+ * @return nsIDOMDocument from the file.
+ */
+function do_parse_document(aPath, aType) {
+ switch (aType) {
+ case "application/xhtml+xml":
+ case "application/xml":
+ case "text/xml":
+ break;
+
+ default:
+ do_throw("type: expected application/xhtml+xml, application/xml or text/xml," +
+ " got '" + aType + "'",
+ Components.stack.caller);
+ }
+
+ let file = do_get_file(aPath),
+ ios = Components.classes['@mozilla.org/network/io-service;1']
+ .getService(Components.interfaces.nsIIOService),
+ url = ios.newFileURI(file).spec;
+ file = null;
+ return new Promise((resolve, reject) => {
+ let xhr = new XMLHttpRequest();
+ xhr.open("GET", url);
+ xhr.responseType = "document";
+ xhr.onerror = reject;
+ xhr.onload = () => {
+ resolve(xhr.response);
+ };
+ xhr.send();
+ });
+}
+
+/**
+ * Registers a function that will run when the test harness is done running all
+ * tests.
+ *
+ * @param aFunction
+ * The function to be called when the test harness has finished running.
+ */
+function do_register_cleanup(aFunction)
+{
+ _cleanupFunctions.push(aFunction);
+}
+
+/**
+ * Returns the directory for a temp dir, which is created by the
+ * test harness. Every test gets its own temp dir.
+ *
+ * @return nsILocalFile of the temporary directory
+ */
+function do_get_tempdir() {
+ let env = Components.classes["@mozilla.org/process/environment;1"]
+ .getService(Components.interfaces.nsIEnvironment);
+ // the python harness sets this in the environment for us
+ let path = env.get("XPCSHELL_TEST_TEMP_DIR");
+ let file = Components.classes["@mozilla.org/file/local;1"]
+ .createInstance(Components.interfaces.nsILocalFile);
+ file.initWithPath(path);
+ return file;
+}
+
+/**
+ * Returns the directory for crashreporter minidumps.
+ *
+ * @return nsILocalFile of the minidump directory
+ */
+function do_get_minidumpdir() {
+ let env = Components.classes["@mozilla.org/process/environment;1"]
+ .getService(Components.interfaces.nsIEnvironment);
+ // the python harness may set this in the environment for us
+ let path = env.get("XPCSHELL_MINIDUMP_DIR");
+ if (path) {
+ let file = Components.classes["@mozilla.org/file/local;1"]
+ .createInstance(Components.interfaces.nsILocalFile);
+ file.initWithPath(path);
+ return file;
+ } else {
+ return do_get_tempdir();
+ }
+}
+
+/**
+ * Registers a directory with the profile service,
+ * and return the directory as an nsILocalFile.
+ *
+ * @param notifyProfileAfterChange Whether to notify for "profile-after-change".
+ * @return nsILocalFile of the profile directory.
+ */
+function do_get_profile(notifyProfileAfterChange = false) {
+ if (!runningInParent) {
+ _testLogger.info("Ignoring profile creation from child process.");
+ return null;
+ }
+
+ let env = Components.classes["@mozilla.org/process/environment;1"]
+ .getService(Components.interfaces.nsIEnvironment);
+ // the python harness sets this in the environment for us
+ let profd = env.get("XPCSHELL_TEST_PROFILE_DIR");
+ let file = Components.classes["@mozilla.org/file/local;1"]
+ .createInstance(Components.interfaces.nsILocalFile);
+ file.initWithPath(profd);
+
+ let dirSvc = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties);
+ let provider = {
+ getFile: function(prop, persistent) {
+ persistent.value = true;
+ if (prop == "ProfD" || prop == "ProfLD" || prop == "ProfDS" ||
+ prop == "ProfLDS" || prop == "TmpD") {
+ return file.clone();
+ }
+ return null;
+ },
+ QueryInterface: function(iid) {
+ if (iid.equals(Components.interfaces.nsIDirectoryServiceProvider) ||
+ iid.equals(Components.interfaces.nsISupports)) {
+ return this;
+ }
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ }
+ };
+ dirSvc.QueryInterface(Components.interfaces.nsIDirectoryService)
+ .registerProvider(provider);
+
+ let obsSvc = Components.classes["@mozilla.org/observer-service;1"].
+ getService(Components.interfaces.nsIObserverService);
+
+ // We need to update the crash events directory when the profile changes.
+ if (runningInParent &&
+ "@mozilla.org/toolkit/crash-reporter;1" in Components.classes) {
+ let crashReporter =
+ Components.classes["@mozilla.org/toolkit/crash-reporter;1"]
+ .getService(Components.interfaces.nsICrashReporter);
+ crashReporter.UpdateCrashEventsDir();
+ }
+
+ if (!_profileInitialized) {
+ obsSvc.notifyObservers(null, "profile-do-change", "xpcshell-do-get-profile");
+ _profileInitialized = true;
+ if (notifyProfileAfterChange) {
+ obsSvc.notifyObservers(null, "profile-after-change", "xpcshell-do-get-profile");
+ }
+ }
+
+ // The methods of 'provider' will retain this scope so null out everything
+ // to avoid spurious leak reports.
+ env = null;
+ profd = null;
+ dirSvc = null;
+ provider = null;
+ obsSvc = null;
+ return file.clone();
+}
+
+/**
+ * This function loads head.js (this file) in the child process, so that all
+ * functions defined in this file (do_throw, etc) are available to subsequent
+ * sendCommand calls. It also sets various constants used by these functions.
+ *
+ * (Note that you may use sendCommand without calling this function first; you
+ * simply won't have any of the functions in this file available.)
+ */
+function do_load_child_test_harness()
+{
+ // Make sure this isn't called from child process
+ if (!runningInParent) {
+ do_throw("run_test_in_child cannot be called from child!");
+ }
+
+ // Allow to be called multiple times, but only run once
+ if (typeof do_load_child_test_harness.alreadyRun != "undefined")
+ return;
+ do_load_child_test_harness.alreadyRun = 1;
+
+ _XPCSHELL_PROCESS = "parent";
+
+ let command =
+ "const _HEAD_JS_PATH=" + uneval(_HEAD_JS_PATH) + "; "
+ + "const _HEAD_FILES=" + uneval(_HEAD_FILES) + "; "
+ + "const _MOZINFO_JS_PATH=" + uneval(_MOZINFO_JS_PATH) + "; "
+ + "const _TAIL_FILES=" + uneval(_TAIL_FILES) + "; "
+ + "const _TEST_NAME=" + uneval(_TEST_NAME) + "; "
+ // We'll need more magic to get the debugger working in the child
+ + "const _JSDEBUGGER_PORT=0; "
+ + "const _XPCSHELL_PROCESS='child';";
+
+ if (typeof _JSCOV_DIR === 'string') {
+ command += " const _JSCOV_DIR=" + uneval(_JSCOV_DIR) + ";";
+ }
+
+ if (_TESTING_MODULES_DIR) {
+ command += " const _TESTING_MODULES_DIR=" + uneval(_TESTING_MODULES_DIR) + ";";
+ }
+
+ command += " load(_HEAD_JS_PATH);";
+ sendCommand(command);
+}
+
+/**
+ * Runs an entire xpcshell unit test in a child process (rather than in chrome,
+ * which is the default).
+ *
+ * This function returns immediately, before the test has completed.
+ *
+ * @param testFile
+ * The name of the script to run. Path format same as load().
+ * @param optionalCallback.
+ * Optional function to be called (in parent) when test on child is
+ * complete. If provided, the function must call do_test_finished();
+ * @return Promise Resolved when the test in the child is complete.
+ */
+function run_test_in_child(testFile, optionalCallback)
+{
+ return new Promise((resolve) => {
+ var callback = () => {
+ resolve();
+ if (typeof optionalCallback == 'undefined') {
+ do_test_finished();
+ } else {
+ optionalCallback();
+ }
+ };
+
+ do_load_child_test_harness();
+
+ var testPath = do_get_file(testFile).path.replace(/\\/g, "/");
+ do_test_pending("run in child");
+ sendCommand("_testLogger.info('CHILD-TEST-STARTED'); "
+ + "const _TEST_FILE=['" + testPath + "']; "
+ + "_execute_test(); "
+ + "_testLogger.info('CHILD-TEST-COMPLETED');",
+ callback);
+ });
+}
+
+/**
+ * Execute a given function as soon as a particular cross-process message is received.
+ * Must be paired with do_send_remote_message or equivalent ProcessMessageManager calls.
+ *
+ * @param optionalCallback
+ * Optional callback that is invoked when the message is received. If provided,
+ * the function must call do_test_finished().
+ * @return Promise Promise that is resolved when the message is received.
+ */
+function do_await_remote_message(name, optionalCallback)
+{
+ return new Promise((resolve) => {
+ var listener = {
+ receiveMessage: function(message) {
+ if (message.name == name) {
+ mm.removeMessageListener(name, listener);
+ resolve();
+ if (optionalCallback) {
+ optionalCallback();
+ } else {
+ do_test_finished();
+ }
+ }
+ }
+ };
+
+ var mm;
+ if (runningInParent) {
+ mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
+ } else {
+ mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
+ }
+ do_test_pending();
+ mm.addMessageListener(name, listener);
+ });
+}
+
+/**
+ * Asynchronously send a message to all remote processes. Pairs with do_await_remote_message
+ * or equivalent ProcessMessageManager listeners.
+ */
+function do_send_remote_message(name) {
+ var mm;
+ var sender;
+ if (runningInParent) {
+ mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
+ sender = 'broadcastAsyncMessage';
+ } else {
+ mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
+ sender = 'sendAsyncMessage';
+ }
+ mm[sender](name);
+}
+
+/**
+ * Helper function to add the _only property to add_task/add_test function when
+ * running it as add_task.only(...).
+ *
+ * @param addFunc
+ * The parent function to call, e.g. add_task or add_test.
+ * @param funcOrProperties
+ * A function to be run or an object represents test properties.
+ * @param func
+ * A function to be run only if the funcOrProperies is not a function.
+ */
+function _add_only(addFunc, funcOrProperties, func) {
+ _gTestHasOnly = true;
+ if (typeof funcOrProperties == "function") {
+ func = funcOrProperties;
+ funcOrProperties = {};
+ }
+
+ if (typeof funcOrProperties == "object") {
+ funcOrProperties._only = true;
+ }
+ return addFunc(funcOrProperties, func);
+}
+
+/**
+ * Helper function to skip the test using e.g. add_task.skip(...)
+ *
+ * @param addFunc
+ * The parent function to call, e.g. add_task or add_test.
+ * @param funcOrProperties
+ * A function to be run or an object represents test properties.
+ * @param func
+ * A function to be run only if the funcOrProperies is not a function.
+ */
+function _add_skip(addFunc, funcOrProperties, func) {
+ if (typeof funcOrProperties == "function") {
+ func = funcOrProperties;
+ funcOrProperties = {};
+ }
+
+ if (typeof funcOrProperties == "object") {
+ funcOrProperties.skip_if = () => true;
+ }
+ return addFunc(funcOrProperties, func);
+}
+
+/**
+ * Add a test function to the list of tests that are to be run asynchronously.
+ *
+ * @param funcOrProperties
+ * A function to be run or an object represents test properties.
+ * Supported properties:
+ * skip_if : An arrow function which has an expression to be
+ * evaluated whether the test is skipped or not.
+ * @param func
+ * A function to be run only if the funcOrProperies is not a function.
+ *
+ * Each test function must call run_next_test() when it's done. Test files
+ * should call run_next_test() in their run_test function to execute all
+ * async tests.
+ *
+ * @return the test function that was passed in.
+ */
+var _gTests = [];
+function add_test(funcOrProperties, func) {
+ if (typeof funcOrProperties == "function") {
+ _gTests.push([{ _isTask: false }, funcOrProperties]);
+ } else if (typeof funcOrProperties == "object") {
+ funcOrProperties._isTask = false;
+ _gTests.push([funcOrProperties, func]);
+ } else {
+ do_throw("add_test() should take a function or an object and a function");
+ }
+ return func;
+}
+add_test.only = _add_only.bind(undefined, add_test);
+add_test.skip = _add_skip.bind(undefined, add_test);
+
+/**
+ * Add a test function which is a Task function.
+ *
+ * @param funcOrProperties
+ * A generator function to be run or an object represents test
+ * properties.
+ * Supported properties:
+ * skip_if : An arrow function which has an expression to be
+ * evaluated whether the test is skipped or not.
+ * @param func
+ * A generator function to be run only if the funcOrProperies is not a
+ * function.
+ *
+ * Task functions are functions fed into Task.jsm's Task.spawn(). They are
+ * generators that emit promises.
+ *
+ * If an exception is thrown, a do_check_* comparison fails, or if a rejected
+ * promise is yielded, the test function aborts immediately and the test is
+ * reported as a failure.
+ *
+ * Unlike add_test(), there is no need to call run_next_test(). The next test
+ * will run automatically as soon the task function is exhausted. To trigger
+ * premature (but successful) termination of the function, simply return or
+ * throw a Task.Result instance.
+ *
+ * Example usage:
+ *
+ * add_task(function* test() {
+ * let result = yield Promise.resolve(true);
+ *
+ * do_check_true(result);
+ *
+ * let secondary = yield someFunctionThatReturnsAPromise(result);
+ * do_check_eq(secondary, "expected value");
+ * });
+ *
+ * add_task(function* test_early_return() {
+ * let result = yield somethingThatReturnsAPromise();
+ *
+ * if (!result) {
+ * // Test is ended immediately, with success.
+ * return;
+ * }
+ *
+ * do_check_eq(result, "foo");
+ * });
+ *
+ * add_task({
+ * skip_if: () => !("@mozilla.org/telephony/volume-service;1" in Components.classes),
+ * }, function* test_volume_service() {
+ * let volumeService = Cc["@mozilla.org/telephony/volume-service;1"]
+ * .getService(Ci.nsIVolumeService);
+ * ...
+ * });
+ */
+function add_task(funcOrProperties, func) {
+ if (typeof funcOrProperties == "function") {
+ _gTests.push([{ _isTask: true }, funcOrProperties]);
+ } else if (typeof funcOrProperties == "object") {
+ funcOrProperties._isTask = true;
+ _gTests.push([funcOrProperties, func]);
+ } else {
+ do_throw("add_task() should take a function or an object and a function");
+ }
+}
+add_task.only = _add_only.bind(undefined, add_task);
+add_task.skip = _add_skip.bind(undefined, add_task);
+
+var _Task = Components.utils.import("resource://gre/modules/Task.jsm", {}).Task;
+_Task.Debugging.maintainStack = true;
+
+
+/**
+ * Runs the next test function from the list of async tests.
+ */
+var _gRunningTest = null;
+var _gTestIndex = 0; // The index of the currently running test.
+var _gTaskRunning = false;
+var _gTestHasOnly = false;
+function run_next_test()
+{
+ if (_gTaskRunning) {
+ throw new Error("run_next_test() called from an add_task() test function. " +
+ "run_next_test() should not be called from inside add_task() " +
+ "under any circumstances!");
+ }
+
+ function _run_next_test()
+ {
+ if (_gTestIndex < _gTests.length) {
+ // Check for uncaught rejections as early and often as possible.
+ _PromiseTestUtils.assertNoUncaughtRejections();
+ let _properties;
+ [_properties, _gRunningTest,] = _gTests[_gTestIndex++];
+ if (typeof(_properties.skip_if) == "function" && _properties.skip_if()) {
+ let _condition = _properties.skip_if.toSource().replace(/\(\)\s*=>\s*/, "");
+ let _message = _gRunningTest.name
+ + " skipped because the following conditions were"
+ + " met: (" + _condition + ")";
+ _testLogger.testStatus(_TEST_NAME,
+ _gRunningTest.name,
+ "SKIP",
+ "SKIP",
+ _message);
+ do_execute_soon(run_next_test);
+ return;
+ }
+ _testLogger.info(_TEST_NAME + " | Starting " + _gRunningTest.name);
+ do_test_pending(_gRunningTest.name);
+
+ if (_properties._isTask) {
+ _gTaskRunning = true;
+ _Task.spawn(_gRunningTest).then(() => {
+ _gTaskRunning = false;
+ run_next_test();
+ }, ex => {
+ _gTaskRunning = false;
+ try {
+ do_report_unexpected_exception(ex);
+ } catch (ex) {
+ // The above throws NS_ERROR_ABORT and we don't want this to show up
+ // as an unhandled rejection later.
+ }
+ });
+ } else {
+ // Exceptions do not kill asynchronous tests, so they'll time out.
+ try {
+ _gRunningTest();
+ } catch (e) {
+ do_throw(e);
+ }
+ }
+ }
+ }
+
+ // For sane stacks during failures, we execute this code soon, but not now.
+ // We do this now, before we call do_test_finished(), to ensure the pending
+ // counter (_tests_pending) never reaches 0 while we still have tests to run
+ // (do_execute_soon bumps that counter).
+ do_execute_soon(_run_next_test, "run_next_test " + _gTestIndex);
+
+ if (_gRunningTest !== null) {
+ // Close the previous test do_test_pending call.
+ do_test_finished(_gRunningTest.name);
+ }
+}
+
+try {
+ if (runningInParent) {
+ // Always use network provider for geolocation tests
+ // so we bypass the OSX dialog raised by the corelocation provider
+ let prefs = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+
+ prefs.setBoolPref("geo.provider.testing", true);
+ }
+} catch (e) { }
+
+// We need to avoid hitting the network with certain components.
+try {
+ if (runningInParent) {
+ let prefs = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+
+ prefs.setCharPref("media.gmp-manager.url.override", "http://%(server)s/dummy-gmp-manager.xml");
+ prefs.setCharPref("media.gmp-manager.updateEnabled", false);
+ prefs.setCharPref("extensions.systemAddon.update.url", "http://%(server)s/dummy-system-addons.xml");
+ prefs.setCharPref("browser.selfsupport.url", "https://%(server)s/selfsupport-dummy/");
+ prefs.setCharPref("toolkit.telemetry.server", "https://%(server)s/telemetry-dummy");
+ prefs.setCharPref("browser.search.geoip.url", "https://%(server)s/geoip-dummy");
+ }
+} catch (e) { }
+
+// Make tests run consistently on DevEdition (which has a lightweight theme
+// selected by default).
+try {
+ if (runningInParent) {
+ let prefs = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+
+ prefs.deleteBranch("lightweightThemes.selectedThemeID");
+ prefs.deleteBranch("browser.devedition.theme.enabled");
+ }
+} catch (e) { }
+
+function _load_mozinfo() {
+ let mozinfoFile = Components.classes["@mozilla.org/file/local;1"]
+ .createInstance(Components.interfaces.nsIFile);
+ mozinfoFile.initWithPath(_MOZINFO_JS_PATH);
+ let stream = Components.classes["@mozilla.org/network/file-input-stream;1"]
+ .createInstance(Components.interfaces.nsIFileInputStream);
+ stream.init(mozinfoFile, -1, 0, 0);
+ let json = Components.classes["@mozilla.org/dom/json;1"]
+ .createInstance(Components.interfaces.nsIJSON);
+ let mozinfo = json.decodeFromStream(stream, stream.available());
+ stream.close();
+ return mozinfo;
+}
+
+Object.defineProperty(this, "mozinfo", {
+ configurable: true,
+ get() {
+ let _mozinfo = _load_mozinfo();
+ Object.defineProperty(this, "mozinfo", {
+ configurable: false,
+ value: _mozinfo
+ });
+ return _mozinfo;
+ }
+});