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How to use WorkerTestEnvironment method in wpt

Best JavaScript code snippet using wpt

testharness.js

Source:testharness.js

...244     *245     * A client document using testharness can use fetch_tests_from_worker() to246     * retrieve results from a worker. See apisample16.html.247     */248    function WorkerTestEnvironment() {249        this.name_counter = 0;250        this.all_loaded = true;251        this.message_list = [];252        this.message_ports = [];253    }254    WorkerTestEnvironment.prototype._dispatch = function(message) {255        this.message_list.push(message);256        for (var i = 0; i < this.message_ports.length; ++i)257        {258            this.message_ports[i].postMessage(message);259        }260    };261    // The only requirement is that port has a postMessage() method. It doesn't262    // have to be an instance of a MessagePort, and often isn't.263    WorkerTestEnvironment.prototype._add_message_port = function(port) {264        this.message_ports.push(port);265        for (var i = 0; i < this.message_list.length; ++i)266        {267            port.postMessage(this.message_list[i]);268        }269    };270    WorkerTestEnvironment.prototype.next_default_test_name = function() {271        var suffix = this.name_counter > 0 ? " " + this.name_counter : "";272        this.name_counter++;273        return "Untitled" + suffix;274    };275    WorkerTestEnvironment.prototype.on_new_harness_properties = function() {};276    WorkerTestEnvironment.prototype.on_tests_ready = function() {277        var this_obj = this;278        add_start_callback(279                function(properties) {280                    this_obj._dispatch({281                        type: "start",282                        properties: properties,283                    });284                });285        add_test_state_callback(286                function(test) {287                    this_obj._dispatch({288                        type: "test_state",289                        test: test.structured_clone()290                    });291                });292        add_result_callback(293                function(test) {294                    this_obj._dispatch({295                        type: "result",296                        test: test.structured_clone()297                    });298                });299        add_completion_callback(300                function(tests, harness_status) {301                    this_obj._dispatch({302                        type: "complete",303                        tests: map(tests,304                            function(test) {305                                return test.structured_clone();306                            }),307                        status: harness_status.structured_clone()308                    });309                });310    };311    WorkerTestEnvironment.prototype.add_on_loaded_callback = function() {};312    WorkerTestEnvironment.prototype.test_timeout = function() {313        // Tests running in a worker don't have a default timeout. I.e. all314        // worker tests behave as if settings.explicit_timeout is true.315        return null;316    };317    WorkerTestEnvironment.prototype.global_scope = function() {318        return self;319    };320    /*321     * Dedicated web workers.322     * https://html.spec.whatwg.org/multipage/workers.html#dedicatedworkerglobalscope323     *324     * This class is used as the test_environment when testharness is running325     * inside a dedicated worker.326     */327    function DedicatedWorkerTestEnvironment() {328        WorkerTestEnvironment.call(this);329        // self is an instance of DedicatedWorkerGlobalScope which exposes330        // a postMessage() method for communicating via the message channel331        // established when the worker is created.332        this._add_message_port(self);333    }334    DedicatedWorkerTestEnvironment.prototype = Object.create(WorkerTestEnvironment.prototype);335    DedicatedWorkerTestEnvironment.prototype.on_tests_ready = function() {336        WorkerTestEnvironment.prototype.on_tests_ready.call(this);337        // In the absence of an onload notification, we a require dedicated338        // workers to explicitly signal when the tests are done.339        tests.wait_for_finish = true;340    };341    /*342     * Shared web workers.343     * https://html.spec.whatwg.org/multipage/workers.html#sharedworkerglobalscope344     *345     * This class is used as the test_environment when testharness is running346     * inside a shared web worker.347     */348    function SharedWorkerTestEnvironment() {349        WorkerTestEnvironment.call(this);350        var this_obj = this;351        // Shared workers receive message ports via the 'onconnect' event for352        // each connection.353        self.addEventListener("connect",354                function(message_event) {355                    this_obj._add_message_port(message_event.source);356                });357    }358    SharedWorkerTestEnvironment.prototype = Object.create(WorkerTestEnvironment.prototype);359    SharedWorkerTestEnvironment.prototype.on_tests_ready = function() {360        WorkerTestEnvironment.prototype.on_tests_ready.call(this);361        // In the absence of an onload notification, we a require shared362        // workers to explicitly signal when the tests are done.363        tests.wait_for_finish = true;364    };365    /*366     * Service workers.367     * http://www.w3.org/TR/service-workers/368     *369     * This class is used as the test_environment when testharness is running370     * inside a service worker.371     */372    function ServiceWorkerTestEnvironment() {373        WorkerTestEnvironment.call(this);374        this.all_loaded = false;375        this.on_loaded_callback = null;376        var this_obj = this;377        self.addEventListener("message",378                function(event) {379                    if (event.data.type && event.data.type === "connect") {380                        if (event.ports && event.ports[0]) {381                            // If a MessageChannel was passed, then use it to382                            // send results back to the main window.  This383                            // allows the tests to work even if the browser384                            // does not fully support MessageEvent.source in385                            // ServiceWorkers yet.386                            this_obj._add_message_port(event.ports[0]);387                            event.ports[0].start();388                        } else {389                            // If there is no MessageChannel, then attempt to390                            // use the MessageEvent.source to send results391                            // back to the main window.392                            this_obj._add_message_port(event.source);393                        }394                    }395                });396        // The oninstall event is received after the service worker script and397        // all imported scripts have been fetched and executed. It's the398        // equivalent of an onload event for a document. All tests should have399        // been added by the time this event is received, thus it's not400        // necessary to wait until the onactivate event.401        on_event(self, "install",402                function(event) {403                    this_obj.all_loaded = true;404                    if (this_obj.on_loaded_callback) {405                        this_obj.on_loaded_callback();406                    }407                });408    }409    ServiceWorkerTestEnvironment.prototype = Object.create(WorkerTestEnvironment.prototype);410    ServiceWorkerTestEnvironment.prototype.add_on_loaded_callback = function(callback) {411        if (this.all_loaded) {412            callback();413        } else {414            this.on_loaded_callback = callback;415        }416    };417    function create_test_environment() {418        if ('document' in self) {419            return new WindowTestEnvironment();420        }421        if ('DedicatedWorkerGlobalScope' in self &&422            self instanceof DedicatedWorkerGlobalScope) {423            return new DedicatedWorkerTestEnvironment();424        }425        if ('SharedWorkerGlobalScope' in self &&426            self instanceof SharedWorkerGlobalScope) {427            return new SharedWorkerTestEnvironment();428        }429        if ('ServiceWorkerGlobalScope' in self &&430            self instanceof ServiceWorkerGlobalScope) {431            return new ServiceWorkerTestEnvironment();432        }433        throw new Error("Unsupported test environment");434    }435    var test_environment = create_test_environment();436    function is_shared_worker(worker) {437        return 'SharedWorker' in self && worker instanceof SharedWorker;438    }439    function is_service_worker(worker) {440        return 'ServiceWorker' in self && worker instanceof ServiceWorker;441    }442    /*443     * API functions444     */445    function test(func, name, properties)...

Using AI Code Generation

1const { WorkerTestEnvironment } = require('wpt-runner');2const test = new WorkerTestEnvironment();3const { TestEnvironment } = require('wpt-runner');4const test = new TestEnvironment();5const { TestEnvironment } = require('wpt-runner');6const test = new TestEnvironment();7const { TestEnvironment } = require('wpt-runner');8const test = new TestEnvironment();9const { TestEnvironment } = require('wpt-runner');10const test = new TestEnvironment();11const { TestEnvironment } = require('wpt-runner');12const test = new TestEnvironment();13const { TestEnvironment } = require('wpt-runner');14const test = new TestEnvironment();15const { TestEnvironment } = require('wpt-runner');16const test = new TestEnvironment();17const { TestEnvironment } = require('wpt-runner');18const test = new TestEnvironment();19test('some test', t => {20  t.ok(true);21});22const { TestEnvironm

Using AI Code Generation

1const wpt = require('wpt-runner');2const { WorkerTestEnvironment } = wpt;3const { TestEnvironment } = require('jest-environment-node');4class CustomEnvironment extends TestEnvironment {5  constructor(config) {6    super(config);7  }8  async setup() {9    await super.setup();10    this.global.wpt = new WorkerTestEnvironment();11  }12  async teardown() {13    await super.teardown();14  }15  runScript(script) {16    return super.runScript(script);17  }18}19module.exports = CustomEnvironment;

Using AI Code Generation

1var test = async_test("Test to check the existence of ServiceWorkerRegistration.onupdatefound attribute");2test.step(function() {3  var script = 'resources/worker-basic.js';4  var scope = 'resources/scope/updatefound';5  var registration;6  var worker;7  var worker2;8  var worker3;9  var worker4;10  var worker5;11  var worker6;12  var worker7;13  var worker8;14  var worker9;15  var worker10;16  var worker11;17  var worker12;18  var worker13;19  var worker14;20  var worker15;21  var worker16;22  var worker17;23  var worker18;24  var worker19;25  var worker20;26  var worker21;27  var worker22;28  var worker23;29  var worker24;30  var worker25;31  var worker26;32  var worker27;33  var worker28;34  var worker29;35  var worker30;36  var worker31;37  var worker32;38  var worker33;39  var worker34;40  var worker35;41  var worker36;42  var worker37;43  var worker38;44  var worker39;45  var worker40;46  var worker41;47  var worker42;48  var worker43;49  var worker44;50  var worker45;51  var worker46;52  var worker47;53  var worker48;54  var worker49;55  var worker50;56  var worker51;57  var worker52;58  var worker53;59  var worker54;60  var worker55;61  var worker56;62  var worker57;63  var worker58;64  var worker59;65  var worker60;66  var worker61;67  var worker62;68  var worker63;69  var worker64;70  var worker65;71  var worker66;72  var worker67;73  var worker68;74  var worker69;75  var worker70;76  var worker71;77  var worker72;78  var worker73;79  var worker74;80  var worker75;81  var worker76;82  var worker77;83  var worker78;84  var worker79;85  var worker80;

Using AI Code Generation

1importScripts('wpt-runner.js');2const wpt = new WorkerTestEnvironment();3wpt.start();4### `new WorkerTestEnvironment()`5### `wpt.start()`6### `wpt.log(message)`7### `wpt.done()`8### `wpt.fetch(url)`9### `wpt.fetchText(url)`10### `wpt.fetchJSON(url)`11### `wpt.fetchBlob(url)`12### `wpt.fetchArrayBuffer(url)`13### `wpt.fetchData(url)`14### `wpt.fetchImage(url)`15### `wpt.fetchScript(url)`16### `wpt.fetchStylesheet(url)`

Using AI Code Generation

1import { WorkerTestEnvironment } from 'wpt-runner';2import { TestEnvironment } from 'web-platform-tests';3const testEnvironment = new WorkerTestEnvironment();4const testEnvironment2 = new WorkerTestEnvironment();5testEnvironment.add_completion_callback(() => {6  testEnvironment2.done();7});8testEnvironment2.add_completion_callback(() => {9  testEnvironment.done();10});11TestEnvironment.start();12### TestEnvironment.start()13### TestEnvironment.done()14### TestEnvironment.timeout(ms)15### TestEnvironment.add_completion_callback(callback)16### TestEnvironment.add_completion_callback(callback)17### TestEnvironment.add_result_callback(callback)18### TestEnvironment.add_result_callback(callback)19### TestEnvironment.add_start_callback(callback)20### TestEnvironment.add_start_callback(callback)21### TestEnvironment.add_end_callback(callback)

Using AI Code Generation

1const wpt = require('wpt-runner');2const wte = new wpt.WorkerTestEnvironment();3wte.start();4const wpt = require('wpt-runner');5const wte = new wpt.WorkerTestEnvironment();6wte.start();7The `wpt-runner` package is a wrapper around the the [web-platform-tests](

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