add integration test for old reddit page

Author: mookums

integration/main.go

@@ -100,6 +100,7 @@ func run(ctx context.Context, args []string, stdout, stderr io.Writer) error {
 		{Bin: "node", Args: []string{"integration/duckduckgo.js"}},
 		{Bin: "node", Args: []string{"integration/algolia.js"}},
 		{Bin: "node", Args: []string{"integration/github.js"}},
+		{Bin: "node", Args: []string{"integration/old-reddit.js"}},
 	} {
 		if *verbose {
 			t.Stderr = stderr

integration/old-reddit.js

@@ -0,0 +1,52 @@
+// Copyright 2023-2025 Lightpanda (Selecy SAS)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+'use scrict'
+
+import puppeteer from 'puppeteer-core';
+
+const browserAddress = process.env.BROWSER_ADDRESS ? process.env.BROWSER_ADDRESS : 'ws://127.0.0.1:9222';
+
+// use browserWSEndpoint to pass the Lightpanda's CDP server address.
+const browser = await puppeteer.connect({
+    browserWSEndpoint: browserAddress,
+});
+
+// The rest of your script remains the same.
+const context = await browser.createBrowserContext();
+const page = await context.newPage();
+
+await page.goto('https://old.reddit.com/r/Zig/comments/1ke7bau/zig_has_great_potential_for_async', {waitUtil: 'networkidle0'});
+
+let foundPost = false;
+const postBodyText = await page.$eval('.thing.link .usertext-body', el => el.textContent);
+if (postBodyText.includes("The ideal async model, I believe, is runtime agnostic, and without function coloring. I think Zig might have what it takes to do this.")) {
+    foundPost = true;
+}
+
+if (!foundPost) {
+    console.error("Failed to find main post body");
+    throw new Error("invalid results");
+}
+
+
+let foundComment = false;
+const commentBodyText = await page.$eval('.commentarea .usertext-body', el => el.textContent);
+if (commentBodyText.includes("Async was already present in earlier versions of Zig")) {
+    foundComment = true;
+}
+
+if (!foundComment) {
+    console.error("Failed to find comment of post");
+    throw new Error("invalid results");
+}