puppeteer/click.js: add more tests

Author: krichprollsch

puppeteer/click.js

@@ -38,6 +38,27 @@ await page.click("a[href='campfire-commerce/']");
 
 assert.strictEqual(page.url(), 'http://127.0.0.1:1234/campfire-commerce/', 'The new page URL is not as expected.');
 
+// ensure product's details is loaded
+const price = parseFloat(await page.evaluate(() => { return document.querySelector('#product-price').textContent.substring(1); }));
+if (price != 244.99) {
+  console.log(res);
+  throw new Error("invalid product price");
+}
+
+// ensure reviews are loaded
+const reviews = await page.evaluate(() => {
+  return Array.from(document.querySelectorAll('#product-reviews > div')).map(row => {
+    return {
+        name: row.querySelector('h4').textContent,
+        text: row.querySelector('p').textContent,
+    };
+  });
+});
+if (reviews.length != 3) {
+  console.log(res);
+  throw new Error("invalid reviews length");
+}
+
 await page.close();
 await context.close();
 await browser.disconnect();