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import { assert, assertEquals } from "../testing/asserts.ts";
import { BufReader, BufWriter } from "../io/bufio.ts";
import { TextProtoReader } from "../textproto/mod.ts";
const { connect, run, test } = Deno;
let server: Deno.Process;
async function startServer(): Promise<void> {
server = run({
args: [Deno.execPath(), "run", "-A", "http/racing_server.ts"],
stdout: "piped"
});
// Once racing server is ready it will write to its stdout.
assert(server.stdout != null);
const r = new TextProtoReader(new BufReader(server.stdout));
const s = await r.readLine();
assert(s !== Deno.EOF && s.includes("Racing server listening..."));
}
function killServer(): void {
server.close();
server.stdout?.close();
}
const input = [
"GET / HTTP/1.1\r\n\r\n",
"GET / HTTP/1.1\r\n\r\n",
"GET / HTTP/1.1\r\n\r\n",
"POST / HTTP/1.1\r\ncontent-length: 4\r\n\r\ndeno",
"POST / HTTP/1.1\r\ntransfer-encoding: chunked\r\n\r\n4\r\ndeno\r\n0\r\n\r\n",
"POST / HTTP/1.1\r\ntransfer-encoding: chunked\r\ntrailer: deno\r\n\r\n4\r\ndeno\r\n0\r\n\r\ndeno: land\r\n\r\n",
"GET / HTTP/1.1\r\n\r\n"
].join("");
const HUGE_BODY_SIZE = 1024 * 1024;
const output = `HTTP/1.1 200 OK
content-length: 6
Step1
HTTP/1.1 200 OK
content-length: ${HUGE_BODY_SIZE}
${"a".repeat(HUGE_BODY_SIZE)}HTTP/1.1 200 OK
content-length: ${HUGE_BODY_SIZE}
${"b".repeat(HUGE_BODY_SIZE)}HTTP/1.1 200 OK
content-length: 6
Step4
HTTP/1.1 200 OK
content-length: 6
Step5
HTTP/1.1 200 OK
content-length: 6
Step6
HTTP/1.1 200 OK
content-length: 6
Step7
`;
test(async function serverPipelineRace(): Promise<void> {
await startServer();
const conn = await connect({ port: 4501 });
const r = new TextProtoReader(new BufReader(conn));
const w = new BufWriter(conn);
await w.write(new TextEncoder().encode(input));
await w.flush();
const outLines = output.split("\n");
// length - 1 to disregard last empty line
for (let i = 0; i < outLines.length - 1; i++) {
const s = await r.readLine();
assertEquals(s, outLines[i]);
}
killServer();
});
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