PostMessage Cleanup - TodoMVC example (experimental) #509
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| export const numberOfItemsToAdd = 100; |
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| import { BenchmarkConnector } from "./speedometer-utils/benchmark.mjs"; | ||
| import suites, { appName, appVersion } from "./workload-test.mjs"; | ||
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| /* | ||
| Paste below into dev console for manual testing: | ||
| window.addEventListener("message", (event) => console.log(event.data)); | ||
| window.postMessage({ id: "todomvc-postmessage-1.0.0", key: "benchmark-connector", type: "benchmark-suite", name: "default" }, "*"); | ||
| */ | ||
| const benchmarkConnector = new BenchmarkConnector(suites, appName, appVersion); | ||
| benchmarkConnector.connect(); |
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| /* eslint-disable no-case-declarations */ | ||
| import { TestRunner } from "./test-runner.mjs"; | ||
| import { Params } from "./params.mjs"; | ||
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| /** | ||
| * BenchmarkStep | ||
| * | ||
| * A single test step, with a common interface to interact with. | ||
| */ | ||
| export class BenchmarkStep { | ||
| constructor(name, run) { | ||
| this.name = name; | ||
| this.run = run; | ||
| } | ||
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| async runAndRecord(params, suite, test, callback) { | ||
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| const testRunner = new TestRunner(null, null, params, suite, test, callback); | ||
| const result = await testRunner.runTest(); | ||
| return result; | ||
| } | ||
| } | ||
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| /** | ||
| * BenchmarkSuite | ||
| * | ||
| * A single test suite that contains one or more test steps. | ||
| */ | ||
| export class BenchmarkSuite { | ||
| constructor(name, tests) { | ||
| this.name = name; | ||
| this.tests = tests; | ||
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| } | ||
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| record(_test, syncTime, asyncTime) { | ||
| const total = syncTime + asyncTime; | ||
| const results = { | ||
| tests: { Sync: syncTime, Async: asyncTime }, | ||
| total: total, | ||
| }; | ||
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| return results; | ||
| } | ||
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| async runAndRecord(params, onProgress) { | ||
| const measuredValues = { | ||
| tests: {}, | ||
| total: 0, | ||
| }; | ||
| const suiteStartLabel = `suite-${this.name}-start`; | ||
| const suiteEndLabel = `suite-${this.name}-end`; | ||
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| performance.mark(suiteStartLabel); | ||
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| for (const test of this.tests) { | ||
| const result = await test.runAndRecord(params, this, test, this.record); | ||
| measuredValues.tests[test.name] = result; | ||
| measuredValues.total += result.total; | ||
| onProgress?.(test.name); | ||
| } | ||
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| performance.mark(suiteEndLabel); | ||
| performance.measure(`suite-${this.name}`, suiteStartLabel, suiteEndLabel); | ||
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| return { | ||
| type: "suite-tests-complete", | ||
| status: "success", | ||
| result: measuredValues, | ||
| suitename: this.name, | ||
| }; | ||
| } | ||
| } | ||
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| /** ********************************************************************** | ||
| * BenchmarkConnector | ||
| * | ||
| * postMessage is used to communicate between app and benchmark. | ||
| * When the app is ready, an 'app-ready' message is sent to signal that the app can receive instructions. | ||
| * | ||
| * A prepare script within the apps appends window.name and window.version from the package.json file. | ||
| * The appId is build by appending name-version | ||
| * It's used as an additional safe-guard to ensure the correct app responds to a message. | ||
| *************************************************************************/ | ||
| export class BenchmarkConnector { | ||
| constructor(suites, name, version) { | ||
| this.suites = suites; | ||
| this.name = name; | ||
| this.version = version; | ||
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| if (!name || !version) | ||
| console.warn("No name or version supplied, to create a unique appId"); | ||
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| this.appId = name && version ? `${name}-${version}` : -1; | ||
| this.onMessage = this.onMessage.bind(this); | ||
| } | ||
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| async onMessage(event) { | ||
| if (event.data.id !== this.appId || event.data.key !== "benchmark-connector") | ||
| return; | ||
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| switch (event.data.type) { | ||
| case "benchmark-suite": | ||
| const params = new Params(new URLSearchParams(window.location.search)); | ||
|
There was a problem hiding this comment. So we're gonna propagate location.search from the main frame to iframe? There was a problem hiding this comment. what's the benefit of doing it this way? There was a problem hiding this comment. So that we don't have to propagate / forward the query string from the main document to the iframe's document. There was a problem hiding this comment. I think it would be nicer to explicitly forward this for debugging purposes. One would easily see the full URL including params for the frame in the network log and could open that separately. Either approach would be fine. |
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| const suite = this.suites[event.data.name]; | ||
| if (!suite) | ||
| console.error(`Suite with the name of "${event.data.name}" not found!`); | ||
| const { result } = await suite.runAndRecord(params, (test) => this.sendMessage({ type: "step-complete", status: "success", appId: this.appId, name: this.name, test })); | ||
| this.sendMessage({ type: "suite-complete", status: "success", appId: this.appId, result }); | ||
| this.disconnect(); | ||
| break; | ||
| default: | ||
| console.error(`Message data type not supported: ${event.data.type}`); | ||
| } | ||
| } | ||
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| sendMessage(message) { | ||
| window.top.postMessage(message, "*"); | ||
| } | ||
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| connect() { | ||
| window.addEventListener("message", this.onMessage); | ||
| this.sendMessage({ type: "app-ready", status: "success", appId: this.appId }); | ||
| } | ||
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| disconnect() { | ||
| window.removeEventListener("message", this.onMessage); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,30 @@ | ||
| /** | ||
| * Helper Methods | ||
| * | ||
| * Various methods that are extracted from the Page class. | ||
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| */ | ||
| export function getParent(lookupStartNode, path) { | ||
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| lookupStartNode = lookupStartNode.shadowRoot ?? lookupStartNode; | ||
| const parent = path.reduce((root, selector) => { | ||
| const node = root.querySelector(selector); | ||
| return node.shadowRoot ?? node; | ||
| }, lookupStartNode); | ||
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| return parent; | ||
| } | ||
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| export function getElement(selector, path = [], lookupStartNode = document) { | ||
| const element = getParent(lookupStartNode, path).querySelector(selector); | ||
| return element; | ||
| } | ||
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| export function getAllElements(selector, path = [], lookupStartNode = document) { | ||
| const elements = Array.from(getParent(lookupStartNode, path).querySelectorAll(selector)); | ||
| return elements; | ||
| } | ||
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| export function forceLayout() { | ||
| const rect = document.body.getBoundingClientRect(); | ||
| const e = document.elementFromPoint((rect.width / 2) | 0, (rect.height / 2) | 0); | ||
| return e; | ||
| } | ||
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