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import { assert, assertEquals } from "../src/deps_test.ts";import { itLog, killServer, startServer } from "./test.utils.ts";const { test } = Deno;
// Test case from https://github.com/denoland/deno/blob/master/std/examples/chat/server_test.ts
test({  name: "[ws] GET / and /ws should serve html and connect to WebSocket",  async fn(): Promise<void> {    const process = await startServer("./examples/ws/app.ts");    const baseUrl = "http://localhost:8000";
    itLog("root ''", true);
    try {      // It      itLog("\t '/'");      let response = await fetch(baseUrl + "/");      assertEquals(response.status, 200);      assertEquals(        response.headers.get("content-type"),        "text/html; charset=utf-8",      );      const html = await response.text();      assertEquals(html.includes("ws chat example"), true);
      itLog("\t '/ws'");      const ws = new WebSocket("ws://localhost:8000/ws");      await new Promise<void>((resolve, reject) => {        ws.onmessage = (message) => {          assertEquals(message.data, "Connected: [1]");          ws.onmessage = (message: { data: string }) => {            assertEquals(message.data, "[1]: Hello");            ws.close();            reject();            resolve();          };          ws.send("Hello");        };      });    } catch (err) {      console.log(err);    } finally {      killServer(process);    }  },});