1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-12-13 02:52:54 -05:00
denoland-deno/std/examples/tests/echo_server_test.ts
2020-07-14 15:24:17 -04:00

44 lines
1.3 KiB
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assertStrictEquals, assertNotEquals } from "../../testing/asserts.ts";
import { BufReader, ReadLineResult } from "../../io/bufio.ts";
Deno.test("[examples/echo_server]", async () => {
const encoder = new TextEncoder();
const decoder = new TextDecoder();
const process = Deno.run({
cmd: [Deno.execPath(), "run", "--allow-net", "echo_server.ts"],
cwd: "examples",
stdout: "piped",
});
let conn: Deno.Conn | undefined;
try {
const processReader = new BufReader(process.stdout);
const message = await processReader.readLine();
assertNotEquals(message, null);
assertStrictEquals(
decoder.decode((message as ReadLineResult).line).trim(),
"Listening on 0.0.0.0:8080",
);
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"));
const result = await connReader.readLine();
assertNotEquals(result, null);
const actualResponse = decoder
.decode((result as ReadLineResult).line)
.trim();
const expectedResponse = "Hello echo_server";
assertStrictEquals(actualResponse, expectedResponse);
} finally {
conn?.close();
process.stdout.close();
process.close();
}
});