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(); }});