summaryrefslogtreecommitdiffstats
path: root/dom/indexedDB/test/helpers.js
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/indexedDB/test/helpers.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/indexedDB/test/helpers.js')
-rw-r--r--dom/indexedDB/test/helpers.js851
1 files changed, 851 insertions, 0 deletions
diff --git a/dom/indexedDB/test/helpers.js b/dom/indexedDB/test/helpers.js
new file mode 100644
index 0000000000..031b57af74
--- /dev/null
+++ b/dom/indexedDB/test/helpers.js
@@ -0,0 +1,851 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// testSteps is expected to be defined by the test using this file.
+/* global testSteps:false */
+
+var testGenerator;
+if (testSteps.constructor.name === "GeneratorFunction") {
+ testGenerator = testSteps();
+}
+// The test js is shared between xpcshell (which has no SpecialPowers object)
+// and content mochitests (where the |Components| object is accessible only as
+// SpecialPowers.Components). Expose Components if necessary here to make things
+// work everywhere.
+//
+// Even if the real |Components| doesn't exist, we might shim in a simple JS
+// placebo for compat. An easy way to differentiate this from the real thing
+// is whether the property is read-only or not.
+var c = Object.getOwnPropertyDescriptor(this, "Components");
+if ((!c || !c.value || c.writable) && typeof SpecialPowers === "object") {
+ // eslint-disable-next-line no-global-assign
+ Components = SpecialPowers.wrap(SpecialPowers.Components);
+}
+
+function executeSoon(aFun) {
+ SpecialPowers.Services.tm.dispatchToMainThread({
+ run() {
+ aFun();
+ },
+ });
+}
+
+function clearAllDatabases(callback) {
+ let qms = SpecialPowers.Services.qms;
+ let principal = SpecialPowers.wrap(document).effectiveStoragePrincipal;
+ let request = qms.clearStoragesForPrincipal(principal);
+ let cb = SpecialPowers.wrapCallback(callback);
+ request.callback = cb;
+}
+
+var testHarnessGenerator = testHarnessSteps();
+testHarnessGenerator.next();
+
+function* testHarnessSteps() {
+ function nextTestHarnessStep(val) {
+ testHarnessGenerator.next(val);
+ }
+
+ let testScriptPath;
+ let testScriptFilename;
+
+ let scripts = document.getElementsByTagName("script");
+ for (let i = 0; i < scripts.length; i++) {
+ let src = scripts[i].src;
+ let match = src.match(/indexedDB\/test\/unit\/(test_[^\/]+\.js)$/);
+ if (match && match.length == 2) {
+ testScriptPath = src;
+ testScriptFilename = match[1];
+ break;
+ }
+ }
+
+ yield undefined;
+
+ info("Running" + (testScriptFilename ? " '" + testScriptFilename + "'" : ""));
+
+ info("Pushing preferences");
+
+ SpecialPowers.pushPrefEnv(
+ {
+ set: [
+ ["dom.indexedDB.testing", true],
+ ["dom.indexedDB.experimental", true],
+ ["javascript.options.wasm_baselinejit", true], // This can be removed when on by default
+ ],
+ },
+ nextTestHarnessStep
+ );
+ yield undefined;
+
+ info("Pushing permissions");
+
+ SpecialPowers.pushPermissions(
+ [
+ {
+ type: "indexedDB",
+ allow: true,
+ context: document,
+ },
+ ],
+ nextTestHarnessStep
+ );
+ yield undefined;
+
+ info("Clearing old databases");
+
+ clearAllDatabases(nextTestHarnessStep);
+ yield undefined;
+
+ if (testScriptFilename && !window.disableWorkerTest) {
+ // For the AsyncFunction, handle the executing sequece using
+ // add_task(). For the GeneratorFunction, we just handle the sequence
+ // manually.
+ if (testSteps.constructor.name === "AsyncFunction") {
+ add_task(function workerTestSteps() {
+ return executeWorkerTestAndCleanUp(testScriptPath);
+ });
+ } else {
+ ok(
+ testSteps.constructor.name === "GeneratorFunction",
+ "Unsupported function type"
+ );
+ executeWorkerTestAndCleanUp(testScriptPath).then(nextTestHarnessStep);
+
+ yield undefined;
+ }
+ } else if (testScriptFilename) {
+ todo(
+ false,
+ "Skipping test in a worker because it is explicitly disabled: " +
+ window.disableWorkerTest
+ );
+ } else {
+ todo(
+ false,
+ "Skipping test in a worker because it's not structured properly"
+ );
+ }
+
+ info("Running test in main thread");
+
+ // Now run the test script in the main thread.
+ if (testSteps.constructor.name === "AsyncFunction") {
+ // Register a callback to clean up databases because it's the only way for
+ // add_task() to clean them right before the SimpleTest.FinishTest
+ SimpleTest.registerCleanupFunction(async function () {
+ await new Promise(function (resolve, reject) {
+ clearAllDatabases(function (result) {
+ if (result.resultCode == SpecialPowers.Cr.NS_OK) {
+ resolve(result);
+ } else {
+ reject(result.resultCode);
+ }
+ });
+ });
+ });
+
+ add_task(testSteps);
+ } else {
+ testGenerator.next();
+
+ yield undefined;
+ }
+}
+
+if (!window.runTest) {
+ window.runTest = function () {
+ SimpleTest.waitForExplicitFinish();
+ testHarnessGenerator.next();
+ };
+}
+
+function finishTest() {
+ ok(
+ testSteps.constructor.name === "GeneratorFunction",
+ "Async/await tests shouldn't call finishTest()"
+ );
+ SimpleTest.executeSoon(function () {
+ clearAllDatabases(function () {
+ SimpleTest.finish();
+ });
+ });
+}
+
+function browserRunTest() {
+ testGenerator.next();
+}
+
+function browserFinishTest() {}
+
+function grabEventAndContinueHandler(event) {
+ testGenerator.next(event);
+}
+
+function continueToNextStep() {
+ SimpleTest.executeSoon(function () {
+ testGenerator.next();
+ });
+}
+
+function continueToNextStepSync() {
+ testGenerator.next();
+}
+
+function errorHandler(event) {
+ ok(false, "indexedDB error, '" + event.target.error.name + "'");
+ finishTest();
+}
+
+// For error callbacks where the argument is not an event object.
+function errorCallbackHandler(err) {
+ ok(false, "got unexpected error callback: " + err);
+ finishTest();
+}
+
+function expectUncaughtException(expecting) {
+ SimpleTest.expectUncaughtException(expecting);
+}
+
+function browserErrorHandler(event) {
+ browserFinishTest();
+ throw new Error("indexedDB error (" + event.code + "): " + event.message);
+}
+
+function unexpectedSuccessHandler() {
+ ok(false, "Got success, but did not expect it!");
+ finishTest();
+}
+
+function expectedErrorHandler(name) {
+ return function (event) {
+ is(event.type, "error", "Got an error event");
+ is(event.target.error.name, name, "Expected error was thrown.");
+ event.preventDefault();
+ grabEventAndContinueHandler(event);
+ };
+}
+
+function ExpectError(name, preventDefault) {
+ this._name = name;
+ this._preventDefault = preventDefault;
+}
+ExpectError.prototype = {
+ handleEvent(event) {
+ is(event.type, "error", "Got an error event");
+ is(event.target.error.name, this._name, "Expected error was thrown.");
+ if (this._preventDefault) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
+ grabEventAndContinueHandler(event);
+ },
+};
+
+function compareKeys(_k1_, _k2_) {
+ let t = typeof _k1_;
+ if (t != typeof _k2_) {
+ return false;
+ }
+
+ if (t !== "object") {
+ return _k1_ === _k2_;
+ }
+
+ if (_k1_ instanceof Date) {
+ return _k2_ instanceof Date && _k1_.getTime() === _k2_.getTime();
+ }
+
+ if (_k1_ instanceof Array) {
+ if (!(_k2_ instanceof Array) || _k1_.length != _k2_.length) {
+ return false;
+ }
+
+ for (let i = 0; i < _k1_.length; ++i) {
+ if (!compareKeys(_k1_[i], _k2_[i])) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ if (_k1_ instanceof ArrayBuffer) {
+ if (!(_k2_ instanceof ArrayBuffer)) {
+ return false;
+ }
+
+ function arrayBuffersAreEqual(a, b) {
+ if (a.byteLength != b.byteLength) {
+ return false;
+ }
+ let ui8b = new Uint8Array(b);
+ return new Uint8Array(a).every((val, i) => val === ui8b[i]);
+ }
+
+ return arrayBuffersAreEqual(_k1_, _k2_);
+ }
+
+ return false;
+}
+
+function removePermission(type, url) {
+ if (!url) {
+ url = window.document;
+ }
+ SpecialPowers.removePermission(type, url);
+}
+
+function gc() {
+ SpecialPowers.forceGC();
+ SpecialPowers.forceCC();
+}
+
+function scheduleGC() {
+ SpecialPowers.exactGC(continueToNextStep);
+}
+
+// Assert that eventually a condition becomes true, running a garbage
+// collection between evaluations. Fails, after a high number of iterations
+// without a successful evaluation of the condition.
+function* assertEventuallyWithGC(conditionFunctor, message) {
+ const maxGC = 100;
+ for (let i = 0; i < maxGC; ++i) {
+ if (conditionFunctor()) {
+ ok(true, message + " (after " + i + " garbage collections)");
+ return;
+ }
+ SpecialPowers.exactGC(continueToNextStep);
+ yield undefined;
+ }
+ ok(false, message + " (even after " + maxGC + " garbage collections)");
+}
+
+// Asserts that a functor `f` throws an exception that is an instance of
+// `ctor`. If it doesn't throw, or throws a different type of exception, this
+// throws an Error, including the optional `msg` given.
+// Otherwise, it returns the message of the exception.
+//
+// TODO This is DUPLICATED from https://searchfox.org/mozilla-central/rev/cfd1cc461f1efe0d66c2fdc17c024a203d5a2fd8/js/src/tests/shell.js#163
+// This should be moved to a more generic place, as it is in no way specific
+// to IndexedDB.
+function assertThrowsInstanceOf(f, ctor, msg) {
+ var fullmsg;
+ try {
+ f();
+ } catch (exc) {
+ if (exc instanceof ctor) {
+ return exc.message;
+ }
+ fullmsg = `Assertion failed: expected exception ${ctor.name}, got ${exc}`;
+ }
+
+ if (fullmsg === undefined) {
+ fullmsg = `Assertion failed: expected exception ${ctor.name}, no exception thrown`;
+ }
+ if (msg !== undefined) {
+ fullmsg += " - " + msg;
+ }
+
+ throw new Error(fullmsg);
+}
+
+function isWasmSupported() {
+ let testingFunctions = SpecialPowers.Cu.getJSTestingFunctions();
+ return testingFunctions.wasmIsSupported();
+}
+
+function getWasmModule(_binary_) {
+ let module = new WebAssembly.Module(_binary_);
+ return module;
+}
+
+function expectingSuccess(request) {
+ return new Promise(function (resolve, reject) {
+ request.onerror = function (event) {
+ ok(false, "indexedDB error, '" + event.target.error.name + "'");
+ reject(event);
+ };
+ request.onsuccess = function (event) {
+ resolve(event);
+ };
+ request.onupgradeneeded = function (event) {
+ ok(false, "Got upgrade, but did not expect it!");
+ reject(event);
+ };
+ });
+}
+
+function expectingUpgrade(request) {
+ return new Promise(function (resolve, reject) {
+ request.onerror = function (event) {
+ ok(false, "indexedDB error, '" + event.target.error.name + "'");
+ reject(event);
+ };
+ request.onupgradeneeded = function (event) {
+ resolve(event);
+ };
+ request.onsuccess = function (event) {
+ ok(false, "Got success, but did not expect it!");
+ reject(event);
+ };
+ });
+}
+
+function expectingError(request, errorName) {
+ return new Promise(function (resolve, reject) {
+ request.onerror = function (event) {
+ is(errorName, event.target.error.name, "Correct exception type");
+ event.stopPropagation();
+ resolve(event);
+ };
+ request.onsuccess = function (event) {
+ ok(false, "Got success, but did not expect it!");
+ reject(event);
+ };
+ request.onupgradeneeded = function (event) {
+ ok(false, "Got upgrade, but did not expect it!");
+ reject(event);
+ };
+ });
+}
+
+function workerScript() {
+ "use strict";
+
+ self.wasmSupported = false;
+
+ self.repr = function (_thing_) {
+ if (typeof _thing_ == "undefined") {
+ return "undefined";
+ }
+
+ let str;
+
+ try {
+ str = _thing_ + "";
+ } catch (e) {
+ return "[" + typeof _thing_ + "]";
+ }
+
+ if (typeof _thing_ == "function") {
+ str = str.replace(/^\s+/, "");
+ let idx = str.indexOf("{");
+ if (idx != -1) {
+ str = str.substr(0, idx) + "{...}";
+ }
+ }
+
+ return str;
+ };
+
+ self.ok = function (_condition_, _name_, _diag_) {
+ self.postMessage({
+ op: "ok",
+ condition: !!_condition_,
+ name: _name_,
+ diag: _diag_,
+ });
+ };
+
+ self.is = function (_a_, _b_, _name_) {
+ let pass = _a_ == _b_;
+ let diag = pass ? "" : "got " + repr(_a_) + ", expected " + repr(_b_);
+ ok(pass, _name_, diag);
+ };
+
+ self.isnot = function (_a_, _b_, _name_) {
+ let pass = _a_ != _b_;
+ let diag = pass ? "" : "didn't expect " + repr(_a_) + ", but got it";
+ ok(pass, _name_, diag);
+ };
+
+ self.todo = function (_condition_, _name_, _diag_) {
+ self.postMessage({
+ op: "todo",
+ condition: !!_condition_,
+ name: _name_,
+ diag: _diag_,
+ });
+ };
+
+ self.info = function (_msg_) {
+ self.postMessage({ op: "info", msg: _msg_ });
+ };
+
+ self.executeSoon = function (_fun_) {
+ var channel = new MessageChannel();
+ channel.port1.postMessage("");
+ channel.port2.onmessage = function (event) {
+ _fun_();
+ };
+ };
+
+ self.finishTest = function () {
+ self.ok(
+ testSteps.constructor.name === "GeneratorFunction",
+ "Async/await tests shouldn't call finishTest()"
+ );
+ if (self._expectingUncaughtException) {
+ self.ok(
+ false,
+ "expectUncaughtException was called but no uncaught " +
+ "exception was detected!"
+ );
+ }
+ self.postMessage({ op: "done" });
+ };
+
+ self.grabEventAndContinueHandler = function (_event_) {
+ testGenerator.next(_event_);
+ };
+
+ self.continueToNextStep = function () {
+ executeSoon(function () {
+ testGenerator.next();
+ });
+ };
+
+ self.continueToNextStepSync = function () {
+ testGenerator.next();
+ };
+
+ self.errorHandler = function (_event_) {
+ ok(false, "indexedDB error, '" + _event_.target.error.name + "'");
+ finishTest();
+ };
+
+ self.unexpectedSuccessHandler = function () {
+ ok(false, "Got success, but did not expect it!");
+ finishTest();
+ };
+
+ self.expectedErrorHandler = function (_name_) {
+ return function (_event_) {
+ is(_event_.type, "error", "Got an error event");
+ is(_event_.target.error.name, _name_, "Expected error was thrown.");
+ _event_.preventDefault();
+ grabEventAndContinueHandler(_event_);
+ };
+ };
+
+ self.ExpectError = function (_name_, _preventDefault_) {
+ this._name = _name_;
+ this._preventDefault = _preventDefault_;
+ };
+ self.ExpectError.prototype = {
+ handleEvent(_event_) {
+ is(_event_.type, "error", "Got an error event");
+ is(_event_.target.error.name, this._name, "Expected error was thrown.");
+ if (this._preventDefault) {
+ _event_.preventDefault();
+ _event_.stopPropagation();
+ }
+ grabEventAndContinueHandler(_event_);
+ },
+ };
+
+ // TODO this is duplicate from the global compareKeys function defined above,
+ // this duplication should be avoided (bug 1565986)
+ self.compareKeys = function (_k1_, _k2_) {
+ let t = typeof _k1_;
+ if (t != typeof _k2_) {
+ return false;
+ }
+
+ if (t !== "object") {
+ return _k1_ === _k2_;
+ }
+
+ if (_k1_ instanceof Date) {
+ return _k2_ instanceof Date && _k1_.getTime() === _k2_.getTime();
+ }
+
+ if (_k1_ instanceof Array) {
+ if (!(_k2_ instanceof Array) || _k1_.length != _k2_.length) {
+ return false;
+ }
+
+ for (let i = 0; i < _k1_.length; ++i) {
+ if (!compareKeys(_k1_[i], _k2_[i])) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ if (_k1_ instanceof ArrayBuffer) {
+ if (!(_k2_ instanceof ArrayBuffer)) {
+ return false;
+ }
+
+ function arrayBuffersAreEqual(a, b) {
+ if (a.byteLength != b.byteLength) {
+ return false;
+ }
+ let ui8b = new Uint8Array(b);
+ return new Uint8Array(a).every((val, i) => val === ui8b[i]);
+ }
+
+ return arrayBuffersAreEqual(_k1_, _k2_);
+ }
+
+ return false;
+ };
+
+ self.getRandomBuffer = function (_size_) {
+ let buffer = new ArrayBuffer(_size_);
+ is(buffer.byteLength, _size_, "Correct byte length");
+ let view = new Uint8Array(buffer);
+ for (let i = 0; i < _size_; i++) {
+ view[i] = parseInt(Math.random() * 255);
+ }
+ return buffer;
+ };
+
+ self._expectingUncaughtException = false;
+ self.expectUncaughtException = function (_expecting_) {
+ self._expectingUncaughtException = !!_expecting_;
+ self.postMessage({
+ op: "expectUncaughtException",
+ expecting: !!_expecting_,
+ });
+ };
+
+ self._clearAllDatabasesCallback = undefined;
+ self.clearAllDatabases = function (_callback_) {
+ self._clearAllDatabasesCallback = _callback_;
+ self.postMessage({ op: "clearAllDatabases" });
+ };
+
+ self.onerror = function (_message_, _file_, _line_) {
+ if (self._expectingUncaughtException) {
+ self._expectingUncaughtException = false;
+ ok(
+ true,
+ "Worker: expected exception [" +
+ _file_ +
+ ":" +
+ _line_ +
+ "]: '" +
+ _message_ +
+ "'"
+ );
+ return false;
+ }
+ ok(
+ false,
+ "Worker: uncaught exception [" +
+ _file_ +
+ ":" +
+ _line_ +
+ "]: '" +
+ _message_ +
+ "'"
+ );
+ self.finishTest();
+ self.close();
+ return true;
+ };
+
+ self.isWasmSupported = function () {
+ return self.wasmSupported;
+ };
+
+ self.getWasmModule = function (_binary_) {
+ let module = new WebAssembly.Module(_binary_);
+ return module;
+ };
+
+ self.verifyWasmModule = function (_module) {
+ self.todo(false, "Need a verifyWasmModule implementation on workers");
+ self.continueToNextStep();
+ };
+
+ self.onmessage = function (_event_) {
+ let message = _event_.data;
+ switch (message.op) {
+ case "load":
+ info("Worker: loading " + JSON.stringify(message.files));
+ self.importScripts(message.files);
+ self.postMessage({ op: "loaded" });
+ break;
+
+ case "start":
+ self.wasmSupported = message.wasmSupported;
+ executeSoon(async function () {
+ info("Worker: starting tests");
+ if (testSteps.constructor.name === "AsyncFunction") {
+ await testSteps();
+ if (self._expectingUncaughtException) {
+ self.ok(
+ false,
+ "expectUncaughtException was called but no " +
+ "uncaught exception was detected!"
+ );
+ }
+ self.postMessage({ op: "done" });
+ } else {
+ ok(
+ testSteps.constructor.name === "GeneratorFunction",
+ "Unsupported function type"
+ );
+ testGenerator.next();
+ }
+ });
+ break;
+
+ case "clearAllDatabasesDone":
+ info("Worker: all databases are cleared");
+ if (self._clearAllDatabasesCallback) {
+ self._clearAllDatabasesCallback();
+ }
+ break;
+
+ default:
+ throw new Error(
+ "Received a bad message from parent: " + JSON.stringify(message)
+ );
+ }
+ };
+
+ self.expectingSuccess = function (_request_) {
+ return new Promise(function (_resolve_, _reject_) {
+ _request_.onerror = function (_event_) {
+ ok(false, "indexedDB error, '" + _event_.target.error.name + "'");
+ _reject_(_event_);
+ };
+ _request_.onsuccess = function (_event_) {
+ _resolve_(_event_);
+ };
+ _request_.onupgradeneeded = function (_event_) {
+ ok(false, "Got upgrade, but did not expect it!");
+ _reject_(_event_);
+ };
+ });
+ };
+
+ self.expectingUpgrade = function (_request_) {
+ return new Promise(function (_resolve_, _reject_) {
+ _request_.onerror = function (_event_) {
+ ok(false, "indexedDB error, '" + _event_.target.error.name + "'");
+ _reject_(_event_);
+ };
+ _request_.onupgradeneeded = function (_event_) {
+ _resolve_(_event_);
+ };
+ _request_.onsuccess = function (_event_) {
+ ok(false, "Got success, but did not expect it!");
+ _reject_(_event_);
+ };
+ });
+ };
+
+ self.postMessage({ op: "ready" });
+}
+
+async function executeWorkerTestAndCleanUp(testScriptPath) {
+ info("Running test in a worker");
+
+ let workerScriptBlob = new Blob(["(" + workerScript.toString() + ")();"], {
+ type: "text/javascript",
+ });
+ let workerScriptURL = URL.createObjectURL(workerScriptBlob);
+
+ let worker;
+ try {
+ await new Promise(function (resolve, reject) {
+ worker = new Worker(workerScriptURL);
+
+ worker._expectingUncaughtException = false;
+ worker.onerror = function (event) {
+ if (worker._expectingUncaughtException) {
+ ok(true, "Worker had an expected error: " + event.message);
+ worker._expectingUncaughtException = false;
+ event.preventDefault();
+ return;
+ }
+ ok(false, "Worker had an error: " + event.message);
+ worker.terminate();
+ reject();
+ };
+
+ worker.onmessage = function (event) {
+ let message = event.data;
+ switch (message.op) {
+ case "ok":
+ SimpleTest.ok(
+ message.condition,
+ `${message.name}: ${message.diag}`
+ );
+ break;
+
+ case "todo":
+ todo(message.condition, message.name, message.diag);
+ break;
+
+ case "info":
+ info(message.msg);
+ break;
+
+ case "ready":
+ worker.postMessage({ op: "load", files: [testScriptPath] });
+ break;
+
+ case "loaded":
+ worker.postMessage({
+ op: "start",
+ wasmSupported: isWasmSupported(),
+ });
+ break;
+
+ case "done":
+ ok(true, "Worker finished");
+ resolve();
+ break;
+
+ case "expectUncaughtException":
+ worker._expectingUncaughtException = message.expecting;
+ break;
+
+ case "clearAllDatabases":
+ clearAllDatabases(function () {
+ worker.postMessage({ op: "clearAllDatabasesDone" });
+ });
+ break;
+
+ default:
+ ok(
+ false,
+ "Received a bad message from worker: " + JSON.stringify(message)
+ );
+ reject();
+ }
+ };
+ });
+
+ URL.revokeObjectURL(workerScriptURL);
+ } catch (e) {
+ info("Unexpected thing happened: " + e);
+ }
+
+ return new Promise(function (resolve) {
+ info("Cleaning up the databases");
+
+ if (worker._expectingUncaughtException) {
+ ok(
+ false,
+ "expectUncaughtException was called but no uncaught " +
+ "exception was detected!"
+ );
+ }
+
+ worker.terminate();
+ worker = null;
+
+ clearAllDatabases(resolve);
+ });
+}