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BUGFIX: stresstest u select-vals
This commit is contained in:
Simon Martens
187
test/clicker/clicker.mjs
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187
test/clicker/clicker.mjs
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import { chromium } from "playwright";
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const args = process.argv.slice(2);
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const getArg = (name, fallback) => {
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const idx = args.indexOf(`--${name}`);
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if (idx === -1 || idx + 1 >= args.length) return fallback;
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return args[idx + 1];
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};
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const baseUrl = getArg("base", "http://localhost:8090/reihen");
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const workers = Number.parseInt(getArg("workers", "20"), 10);
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const steps = Number.parseInt(getArg("steps", "200"), 10);
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const minDelay = Number.parseInt(getArg("minDelay", "2000"), 10);
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const maxDelay = Number.parseInt(getArg("maxDelay", "30000"), 10);
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const timeout = Number.parseInt(getArg("timeout", "10000"), 10);
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const startStagger = Number.parseInt(getArg("startStagger", "500"), 10);
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const typeChance = Number.parseFloat(getArg("typeChance", "0.8"));
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const enterChance = Number.parseFloat(getArg("enterChance", "0.35"));
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const postChance = Number.parseFloat(getArg("postChance", "0.15"));
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const minTypeLen = Number.parseInt(getArg("minTypeLen", "3"), 10);
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const maxTypeLen = Number.parseInt(getArg("maxTypeLen", "5"), 10);
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const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
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const rand = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min;
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const randomText = (minLen, maxLen) => {
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const chars = "abcdefghijklmnopqrstuvwxyzäöüß ";
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const len = rand(minLen, maxLen);
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let out = "";
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for (let i = 0; i < len; i += 1) {
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out += chars[Math.floor(Math.random() * chars.length)];
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}
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return out.trim() || "test";
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};
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const pickAndClick = async (page) => {
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return page.evaluate(() => {
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const origin = window.location.origin;
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const links = Array.from(document.querySelectorAll("a[href]"));
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const candidates = links.filter((a) => {
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const raw = a.getAttribute("href") || "";
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if (!raw || raw.startsWith("#")) return false;
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if (raw.startsWith("javascript:")) return false;
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if (raw.startsWith("mailto:")) return false;
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if (a.getAttribute("target") === "_blank") return false;
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if (a.getAttribute("aria-disabled") === "true") return false;
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const url = new URL(raw, window.location.href);
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const path = `${url.pathname}${url.search}`.toLowerCase();
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if (path.includes("logout") || path.includes("delete") || path.includes("/login")) return false;
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if (url.origin !== origin) return false;
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return true;
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});
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if (!candidates.length) return null;
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const link = candidates[Math.floor(Math.random() * candidates.length)];
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const href = link.href;
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const clickerId = `clicker-${Math.random().toString(36).slice(2)}`;
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link.setAttribute("data-clicker-id", clickerId);
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return { href, clickerId };
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});
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};
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const pickAndFocusInput = async (page) => {
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return page.evaluate(() => {
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const candidates = Array.from(document.querySelectorAll("input, textarea")).filter((el) => {
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if (!(el instanceof HTMLElement)) return false;
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if (el.closest("[aria-hidden='true']")) return false;
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if (el.closest("[data-htmx-busy='true']")) return false;
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if (el.hasAttribute("disabled") || el.hasAttribute("readonly")) return false;
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if (el instanceof HTMLInputElement) {
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const type = (el.type || "text").toLowerCase();
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if (["hidden", "password", "checkbox", "radio", "file", "submit", "button"].includes(type)) {
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return false;
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}
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}
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if (el.offsetParent === null) return false;
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return true;
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});
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if (!candidates.length) return null;
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const el = candidates[Math.floor(Math.random() * candidates.length)];
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el.focus();
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return {
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tag: el.tagName.toLowerCase(),
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id: el.id || "",
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name: el.getAttribute("name") || "",
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placeholder: el.getAttribute("placeholder") || "",
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};
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});
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};
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const submitRandomPostForm = async (page) => {
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return page.evaluate(() => {
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const forms = Array.from(document.querySelectorAll("form")).filter((form) => {
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if (!(form instanceof HTMLFormElement)) return false;
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const method = (form.getAttribute("method") || "get").toLowerCase();
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if (method !== "post") return false;
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const action = (form.getAttribute("action") || "").toLowerCase();
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if (action.includes("/login") || action.includes("logout") || action.includes("delete")) return false;
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if (form.hasAttribute("disabled")) return false;
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if (form.closest("[aria-hidden='true']")) return false;
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if (form.closest("[data-htmx-busy='true']")) return false;
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return true;
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});
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if (!forms.length) return null;
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const form = forms[Math.floor(Math.random() * forms.length)];
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const submit = form.querySelector("button[type='submit'], input[type='submit']");
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if (submit instanceof HTMLElement) {
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submit.click();
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} else {
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form.requestSubmit();
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}
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return form.getAttribute("action") || window.location.href;
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});
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};
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const runWorker = async (id, browser, delayMs) => {
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const context = await browser.newContext();
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const page = await context.newPage();
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page.setDefaultTimeout(timeout);
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const label = `worker-${id}`;
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try {
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if (delayMs > 0) {
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await sleep(delayMs);
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}
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await page.goto(baseUrl, { waitUntil: "domcontentloaded" });
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for (let i = 0; i < steps; i += 1) {
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const clickInfo = await pickAndClick(page);
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if (clickInfo) {
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const selector = `[data-clicker-id="${clickInfo.clickerId}"]`;
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await page.click(selector).catch(() => {});
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console.log(`${label}: click ${clickInfo.href}`);
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} else {
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console.log(`${label}: no candidates`);
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}
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await page.waitForLoadState("domcontentloaded").catch(() => {});
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await page.waitForTimeout(200);
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const currentUrl = page.url();
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if (currentUrl) {
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console.log(`${label}: at ${currentUrl}`);
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}
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if (Math.random() < typeChance) {
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const focused = await pickAndFocusInput(page);
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if (focused) {
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const text = randomText(minTypeLen, maxTypeLen);
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await page.keyboard.type(text, { delay: rand(10, 80) });
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console.log(
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`${label}: type \"${text}\" into ${focused.tag}${focused.id ? `#${focused.id}` : ""}${focused.name ? `[name=\"${focused.name}\"]` : ""}`,
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);
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if (focused.tag !== "textarea" && Math.random() < enterChance) {
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await page.keyboard.press("Enter");
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console.log(`${label}: press Enter`);
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}
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} else {
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console.log(`${label}: no inputs to type`);
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}
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} else {
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console.log(`${label}: skip typing`);
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}
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if (Math.random() < postChance) {
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const action = await submitRandomPostForm(page);
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if (action) {
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console.log(`${label}: submit POST ${action}`);
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} else {
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console.log(`${label}: no POST forms`);
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}
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}
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await sleep(rand(minDelay, maxDelay));
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}
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} catch (error) {
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console.error(`${label}: error`, error?.message || error);
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} finally {
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await context.close();
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}
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};
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const main = async () => {
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const browser = await chromium.launch({ headless: true });
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try {
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const runs = Array.from({ length: workers }, (_, idx) => runWorker(idx + 1, browser, idx * startStagger));
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await Promise.all(runs);
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} finally {
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await browser.close();
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}
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};
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main().catch((error) => {
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console.error(error);
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process.exit(1);
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});
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