Revert "avoid using same port number for test (#4147)"

Ref #4467

This reverts commit 60cee4f045778777a16b6fffd6d5b9a1400d7246.

5 files changed, 11 insertions, 31 deletions

diff --git a/std/examples/chat/server.ts b/std/examples/chat/server.ts
index d28f9f43f..08aede05b 100644
--- a/std/examples/chat/server.ts
+++ b/std/examples/chat/server.ts
@@ -29,9 +29,7 @@ async function wsHandler(ws: WebSocket): Promise<void> {
   }
 }
 
-const addr = Deno.args[0] ?? "127.0.0.1:8080";
-
-listenAndServe(addr, async req => {
+listenAndServe({ port: 8080 }, async req => {
   if (req.method === "GET" && req.url === "/") {
     //Serve with hack
     const u = new URL("./index.html", import.meta.url);
@@ -77,4 +75,4 @@ listenAndServe(addr, async req => {
     }
   }
 });
-console.log(`chat server starting on ${addr}....`);
+console.log("chat server starting on :8080....");
diff --git a/std/examples/chat/server_test.ts b/std/examples/chat/server_test.ts
index e09771e52..13a5c337c 100644
--- a/std/examples/chat/server_test.ts
+++ b/std/examples/chat/server_test.ts
@@ -3,22 +3,13 @@ import { assert, assertEquals } from "../../testing/asserts.ts";
 import { TextProtoReader } from "../../textproto/mod.ts";
 import { BufReader } from "../../io/bufio.ts";
 import { connectWebSocket, WebSocket } from "../../ws/mod.ts";
-import { randomPort } from "../../http/test_util.ts";
 import { delay } from "../../util/async.ts";
 
-const port = randomPort();
-
 const { test, build } = Deno;
 
 async function startServer(): Promise<Deno.Process> {
   const server = Deno.run({
-    cmd: [
-      Deno.execPath(),
-      "--allow-net",
-      "--allow-read",
-      "server.ts",
-      `127.0.0.1:${port}`
-    ],
+    cmd: [Deno.execPath(), "--allow-net", "--allow-read", "server.ts"],
     cwd: "examples/chat",
     stdout: "piped"
   });
@@ -44,7 +35,7 @@ test({
   async fn() {
     const server = await startServer();
     try {
-      const resp = await fetch(`http://127.0.0.1:${port}/`);
+      const resp = await fetch("http://127.0.0.1:8080/");
       assertEquals(resp.status, 200);
       assertEquals(resp.headers.get("content-type"), "text/html");
       const html = await resp.body.text();
@@ -64,7 +55,7 @@ test({
     const server = await startServer();
     let ws: WebSocket | undefined;
     try {
-      ws = await connectWebSocket(`http://127.0.0.1:${port}/ws`);
+      ws = await connectWebSocket("http://127.0.0.1:8080/ws");
       const it = ws.receive();
       assertEquals((await it.next()).value, "Connected: [1]");
       ws.send("Hello");
diff --git a/std/examples/echo_server.ts b/std/examples/echo_server.ts
index cdd98fea7..dbcc9b5ae 100644
--- a/std/examples/echo_server.ts
+++ b/std/examples/echo_server.ts
@@ -1,6 +1,6 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 const hostname = "0.0.0.0";
-const port = +(Deno.args[0] ?? "8080");
+const port = 8080;
 const listener = Deno.listen({ hostname, port });
 console.log(`Listening on ${hostname}:${port}`);
 for await (const conn of listener) {
diff --git a/std/examples/tests/curl_test.ts b/std/examples/tests/curl_test.ts
index 3e3d4f78a..8d7634525 100644
--- a/std/examples/tests/curl_test.ts
+++ b/std/examples/tests/curl_test.ts
@@ -1,13 +1,11 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { serve } from "../../http/server.ts";
 import { assertStrictEq } from "../../testing/asserts.ts";
-import { randomPort } from "../../http/test_util.ts";
 
-const port = randomPort();
 Deno.test({
   name: "[examples/curl] send a request to a specified url",
   fn: async () => {
-    const server = serve({ port });
+    const server = serve({ port: 8081 });
     const serverPromise = (async (): Promise<void> => {
       for await (const req of server) {
         req.respond({ body: "Hello world" });
@@ -16,12 +14,7 @@ Deno.test({
 
     const decoder = new TextDecoder();
     const process = Deno.run({
-      cmd: [
-        Deno.execPath(),
-        "--allow-net",
-        "curl.ts",
-        "http://localhost:" + port
-      ],
+      cmd: [Deno.execPath(), "--allow-net", "curl.ts", "http://localhost:8081"],
       cwd: "examples",
       stdout: "piped"
     });
diff --git a/std/examples/tests/echo_server_test.ts b/std/examples/tests/echo_server_test.ts
index 164f65357..dd7336023 100644
--- a/std/examples/tests/echo_server_test.ts
+++ b/std/examples/tests/echo_server_test.ts
@@ -1,14 +1,12 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { assertStrictEq, assertNotEquals } from "../../testing/asserts.ts";
 import { BufReader, ReadLineResult } from "../../io/bufio.ts";
-import { randomPort } from "../../http/test_util.ts";
-const port = randomPort();
 
 Deno.test("[examples/echo_server]", async () => {
   const encoder = new TextEncoder();
   const decoder = new TextDecoder();
   const process = Deno.run({
-    cmd: [Deno.execPath(), "--allow-net", "echo_server.ts", `${port}`],
+    cmd: [Deno.execPath(), "--allow-net", "echo_server.ts"],
     cwd: "examples",
     stdout: "piped"
   });
@@ -21,10 +19,10 @@ Deno.test("[examples/echo_server]", async () => {
     assertNotEquals(message, Deno.EOF);
     assertStrictEq(
       decoder.decode((message as ReadLineResult).line).trim(),
-      "Listening on 0.0.0.0:" + port
+      "Listening on 0.0.0.0:8080"
     );
 
-    conn = await Deno.connect({ hostname: "127.0.0.1", port });
+    conn = await Deno.connect({ hostname: "127.0.0.1", port: 8080 });
     const connReader = new BufReader(conn);
 
     await conn.write(encoder.encode("Hello echo_server\n"));