51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
const puppeteer = require('puppeteer');
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const { spawn } = require('child_process');
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const res = spawn("python", ["-m", "http.server", "8000"], { shell: true });
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async function timeout(time) {
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return new Promise((resolve) => setTimeout(resolve, time));
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}
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function cleanup(err) {
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res.kill();
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if(err != null) {
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console.error(err);
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process.exit(1);
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}
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}
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async function waitForText(selector, text) {
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let n = 0;
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let ready = false;
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while (n < 10) {
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const res = await (await selector.getProperty("textContent")).jsonValue();
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console.log(`waiting for text ${text} got ${res}`);
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if(res == text) {
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ready = true;
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break
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}
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await timeout(2000);
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n += 1
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}
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return ready;
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}
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puppeteer.launch({ headless: false, args: ["--enable-unsafe-webgpu"]}).then(async browser => {
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const page = await browser.newPage();
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page.on("console", message => console.log(`message from console ${message.text()}`))
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.on("pageerror", ({ message }) => console.log(`error from page ${message}`))
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const res = await page.goto("http://localhost:8000/examples/index.html");
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if(res.status() != 200) throw new Error("Failed to load page");
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const textSelector = await page.waitForSelector("#result");
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const buttonSelector = await page.waitForSelector("input[type=button]");
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const ready = await waitForText(textSelector, "ready");
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if(!ready) throw new Error("Failed to load page");
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await buttonSelector.evaluate(e => e.click());
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const done = await waitForText(textSelector, "hen");
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if(!done) throw new Error("failed to get hen");
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browser.close();
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cleanup(null);
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}).catch(err => {
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cleanup(err);
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}); |