tests.ts

import {
  assert,
  assertEquals,
} from "https://deno.land/std@0.93.0/testing/asserts.ts";
import puppeteer, { Browser } from "./mod.ts";

function browserTest(
  name: string,
  fn: (browser: Browser) => void | Promise<void>,
) {
  Deno.test({
    name,
    sanitizeResources: false,
    fn: async () => {
      let browser: Browser | undefined = undefined;
      try {
        browser = await puppeteer.launch({});
        await fn(browser);
      } finally {
        if (browser) await browser.close();
      }
    }
  });
}

browserTest("hello world", async (browser) => {
  const page = await browser.newPage();
  await page.goto("https://example.com", { waitUntil: "domcontentloaded" });
  const h1 = await page.$("h1");
  assert(h1);
  assertEquals(await h1.evaluate((e: any) => e.innerText), "Example Domain");
});