import puppeteer from "puppeteer"; declare let vditorTest: any; describe("use puppeteer to test getTextareaPosition", () => { let browser: any; let page: any; beforeAll(async () => { browser = await puppeteer.launch(); page = await browser.newPage(); await Promise.all([ page.coverage.startJSCoverage(), page.coverage.startCSSCoverage(), ]); await page.goto("http://localhost:9000/"); }); it("getTextareaPosition", async () => { await page.evaluate(() => { vditorTest.setValue("vditorvditorvditorvditorvditorvditorvditorvditorvditorvditorvditorvditor for jest puppeteer :"); }); await page.waitFor(1000); const result = await page.evaluate(() => { return vditorTest.vditor.hint.element.getAttribute("style"); }); expect(result).toContain("top: -61px;"); expect(result).toContain("left: 191px;"); }); afterAll(async () => { await browser.close(); }); });